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e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this},copyPosition:function(t){var e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this},extractBasis:function(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this},makeBasis:function(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this},extractRotation:function(){var t=new r.Vector3;return function(e){var n=this.elements,r=e.elements,i=1/t.setFromMatrixColumn(e,0).length(),a=1/t.setFromMatrixColumn(e,1).length(),o=1/t.setFromMatrixColumn(e,2).length();return n[0]=r[0]*i,n[1]=r[1]*i,n[2]=r[2]*i,n[3]=0,n[4]=r[4]*a,n[5]=r[5]*a,n[6]=r[6]*a,n[7]=0,n[8]=r[8]*o,n[9]=r[9]*o,n[10]=r[10]*o,n[11]=0,n[12]=0,n[13]=0,n[14]=0,n[15]=1,this}}(),makeRotationFromEuler:function(t){t&&t.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var e=this.elements,n=t.x,r=t.y,i=t.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(r),c=Math.sin(r),l=Math.cos(i),u=Math.sin(i);if("XYZ"===t.order){var d=a*l,h=a*u,f=o*l,p=o*u;e[0]=s*l,e[4]=-s*u,e[8]=c,e[1]=h+f*c,e[5]=d-p*c,e[9]=-o*s,e[2]=p-d*c,e[6]=f+h*c,e[10]=a*s}else if("YXZ"===t.order){var m=s*l,g=s*u,v=c*l,_=c*u;e[0]=m+_*o,e[4]=v*o-g,e[8]=a*c,e[1]=a*u,e[5]=a*l,e[9]=-o,e[2]=g*o-v,e[6]=_+m*o,e[10]=a*s}else if("ZXY"===t.order){m=s*l,g=s*u,v=c*l,_=c*u;e[0]=m-_*o,e[4]=-a*u,e[8]=v+g*o,e[1]=g+v*o,e[5]=a*l,e[9]=_-m*o,e[2]=-a*c,e[6]=o,e[10]=a*s}else if("ZYX"===t.order){d=a*l,h=a*u,f=o*l,p=o*u;e[0]=s*l,e[4]=f*c-h,e[8]=d*c+p,e[1]=s*u,e[5]=p*c+d,e[9]=h*c-f,e[2]=-c,e[6]=o*s,e[10]=a*s}else if("YZX"===t.order){var x=a*s,y=a*c,b=o*s,E=o*c;e[0]=s*l,e[4]=E-x*u,e[8]=b*u+y,e[1]=u,e[5]=a*l,e[9]=-o*l,e[2]=-c*l,e[6]=y*u+b,e[10]=x-E*u}else if("XZY"===t.order){x=a*s,y=a*c,b=o*s,E=o*c;e[0]=s*l,e[4]=-u,e[8]=c*l,e[1]=x*u+E,e[5]=a*l,e[9]=y*u-b,e[2]=b*u-y,e[6]=o*l,e[10]=E*u+x}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this},makeRotationFromQuaternion:function(){var t=new r.Vector3(0,0,0),e=new r.Vector3(1,1,1);return function(n){return this.compose(t,n,e)}}(),lookAt:function(){var t=new r.Vector3,e=new r.Vector3,n=new r.Vector3;return function(r,i,a){var o=this.elements;return n.subVectors(r,i),0===n.lengthSq()&&(n.z=1),n.normalize(),t.crossVectors(a,n),0===t.lengthSq()&&(1===Math.abs(a.z)?n.x+=1e-4:n.z+=1e-4,n.normalize(),t.crossVectors(a,n)),t.normalize(),e.crossVectors(n,t),o[0]=t.x,o[4]=e.x,o[8]=n.x,o[1]=t.y,o[5]=e.y,o[9]=n.y,o[2]=t.z,o[6]=e.z,o[10]=n.z,this}}(),multiply:function(t,e){return void 0!==e?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(t,e)):this.multiplyMatrices(this,t)},premultiply:function(t){return this.multiplyMatrices(t,this)},multiplyMatrices:function(t,e){var n=t.elements,r=e.elements,i=this.elements,a=n[0],o=n[4],s=n[8],c=n[12],l=n[1],u=n[5],d=n[9],h=n[13],f=n[2],p=n[6],m=n[10],g=n[14],v=n[3],_=n[7],x=n[11],y=n[15],b=r[0],E=r[4],M=r[8],w=r[12],T=r[1],S=r[5],L=r[9],A=r[13],R=r[2],C=r[6],P=r[10],D=r[14],U=r[3],N=r[7],F=r[11],I=r[15];return i[0]=a*b+o*T+s*R+c*U,i[4]=a*E+o*S+s*C+c*N,i[8]=a*M+o*L+s*P+c*F,i[12]=a*w+o*A+s*D+c*I,i[1]=l*b+u*T+d*R+h*U,i[5]=l*E+u*S+d*C+h*N,i[9]=l*M+u*L+d*P+h*F,i[13]=l*w+u*A+d*D+h*I,i[2]=f*b+p*T+m*R+g*U,i[6]=f*E+p*S+m*C+g*N,i[10]=f*M+p*L+m*P+g*F,i[14]=f*w+p*A+m*D+g*I,i[3]=v*b+_*T+x*R+y*U,i[7]=v*E+_*S+x*C+y*N,i[11]=v*M+_*L+x*P+y*F,i[15]=v*w+_*A+x*D+y*I,this},multiplyScalar:function(t){var e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this},applyToBufferAttribute:function(){var t=new r.Vector3;return function(e){for(var n=0,r=e.count;n<r;n++)t.x=e.getX(n),t.y=e.getY(n),t.z=e.getZ(n),t.applyMatrix4(this),e.setXYZ(n,t.x,t.y,t.z);return e}}(),determinant:function(){var t=this.elements,e=t[0],n=t[4],r=t[8],i=t[12],a=t[1],o=t[5],s=t[9],c=t[13],l=t[2],u=t[6],d=t[10],h=t[14];return t[3]*(+i*s*u-r*c*u-i*o*d+n*c*d+r*o*h-n*s*h)+t[7]*(+e*s*h-e*c*d+i*a*d-r*a*h+r*c*l-i*s*l)+t[11]*(+e*c*u-e*o*h-i*a*u+n*a*h+i*o*l-n*c*l)+t[15]*(-r*o*l-e*s*u+e*o*d+r*a*u-n*a*d+n*s*l)},transpose:function(){var t,e=this.elements;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this},setPosition:function(t,e,n){var r=this.elements;return t.isVector3?(r[12]=t.x,r[13]=t.y,r[14]=t.z):(r[12]=t,r[13]=e,r[14]=n),this},getInverse:function(t,e){var n=this.elements,r=t.elements,i=r[0],a=r[1],o=r[2],s=r[3],c=r[4],l=r[5],u=r[6],d=r[7],h=r[8],f=r[9],p=r[10],m=r[11],g=r[12],v=r[13],_=r[14],x=r[15],y=f*_*d-v*p*d+v*u*m-l*_*m-f*u*x+l*p*x,b=g*p*d-h*_*d-g*u*m+c*_*m+h*u*x-c*p*x,E=h*v*d-g*f*d+g*l*m-c*v*m-h*l*x+c*f*x,M=g*f*u-h*v*u-g*l*p+c*v*p+h*l*_-c*f*_,w=i*y+a*b+o*E+s*M;if(0===w){var T="THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0";if(!0===e)throw new Error(T);return console.warn(T),this.identity()}var S=1/w;return n[0]=y*S,n[1]=(v*p*s-f*_*s-v*o*m+a*_*m+f*o*x-a*p*x)*S,n[2]=(l*_*s-v*u*s+v*o*d-a*_*d-l*o*x+a*u*x)*S,n[3]=(f*u*s-l*p*s-f*o*d+a*p*d+l*o*m-a*u*m)*S,n[4]=b*S,n[5]=(h*_*s-g*p*s+g*o*m-i*_*m-h*o*x+i*p*x)*S,n[6]=(g*u*s-c*_*s-g*o*d+i*_*d+c*o*x-i*u*x)*S,n[7]=(c*p*s-h*u*s+h*o*d-i*p*d-c*o*m+i*u*m)*S,n[8]=E*S,n[9]=(g*f*s-h*v*s-g*a*m+i*v*m+h*a*x-i*f*x)*S,n[10]=(c*v*s-g*l*s+g*a*d-i*v*d-c*a*x+i*l*x)*S,n[11]=(h*l*s-c*f*s-h*a*d+i*f*d+c*a*m-i*l*m)*S,n[12]=M*S,n[13]=(h*v*o-g*f*o+g*a*p-i*v*p-h*a*_+i*f*_)*S,n[14]=(g*l*o-c*v*o-g*a*u+i*v*u+c*a*_-i*l*_)*S,n[15]=(c*f*o-h*l*o+h*a*u-i*f*u-c*a*p+i*l*p)*S,this},scale:function(t){var e=this.elements,n=t.x,r=t.y,i=t.z;return e[0]*=n,e[4]*=r,e[8]*=i,e[1]*=n,e[5]*=r,e[9]*=i,e[2]*=n,e[6]*=r,e[10]*=i,e[3]*=n,e[7]*=r,e[11]*=i,this},getMaxScaleOnAxis:function(){var t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],r=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,r))},makeTranslation:function(t,e,n){return this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this},makeRotationX:function(t){var e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this},makeRotationY:function(t){var e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this},makeRotationZ:function(t){var e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this},makeRotationAxis:function(t,e){var n=Math.cos(e),r=Math.sin(e),i=1-n,a=t.x,o=t.y,s=t.z,c=i*a,l=i*o;return this.set(c*a+n,c*o-r*s,c*s+r*o,0,c*o+r*s,l*o+n,l*s-r*a,0,c*s-r*o,l*s+r*a,i*s*s+n,0,0,0,0,1),this},makeScale:function(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this},makeShear:function(t,e,n){return this.set(1,e,n,0,t,1,n,0,t,e,1,0,0,0,0,1),this},compose:function(t,e,n){var r=this.elements,i=e._x,a=e._y,o=e._z,s=e._w,c=i+i,l=a+a,u=o+o,d=i*c,h=i*l,f=i*u,p=a*l,m=a*u,g=o*u,v=s*c,_=s*l,x=s*u,y=n.x,b=n.y,E=n.z;return r[0]=(1-(p+g))*y,r[1]=(h+x)*y,r[2]=(f-_)*y,r[3]=0,r[4]=(h-x)*b,r[5]=(1-(d+g))*b,r[6]=(m+v)*b,r[7]=0,r[8]=(f+_)*E,r[9]=(m-v)*E,r[10]=(1-(d+p))*E,r[11]=0,r[12]=t.x,r[13]=t.y,r[14]=t.z,r[15]=1,this},decompose:function(){var t=new r.Vector3,e=new i;return function(n,r,i){var a=this.elements,o=t.set(a[0],a[1],a[2]).length(),s=t.set(a[4],a[5],a[6]).length(),c=t.set(a[8],a[9],a[10]).length();this.determinant()<0&&(o=-o),n.x=a[12],n.y=a[13],n.z=a[14],e.copy(this);var l=1/o,u=1/s,d=1/c;return e.elements[0]*=l,e.elements[1]*=l,e.elements[2]*=l,e.elements[4]*=u,e.elements[5]*=u,e.elements[6]*=u,e.elements[8]*=d,e.elements[9]*=d,e.elements[10]*=d,r.setFromRotationMatrix(e),i.x=o,i.y=s,i.z=c,this}}(),makePerspective:function(t,e,n,r,i,a){void 0===a&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. 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dotLH, 5.0 );\n\n\t// Optimized variant (presented by Epic at SIGGRAPH \'13)\n\t// https://cdn2.unrealengine.com/Resources/files/2013SiggraphPresentationsNotes-26915738.pdf\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n\n} // validated\n\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\n\t// See F_Schlick\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\n\treturn Fr * fresnel + F0;\n\n}\n\n\n// Microfacet Models for Refraction through Rough Surfaces - equation (34)\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\n// alpha is "roughness squared" in Disney’s reparameterization\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\n\t// geometry term (normalized) = G(l)⋅G(v) / 4(n⋅l)(n⋅v)\n\t// also see #12151\n\n\tfloat a2 = pow2( alpha );\n\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\n\treturn 1.0 / ( gl * gv );\n\n} // validated\n\n// Moving Frostbite to Physically Based Rendering 3.0 - page 12, listing 2\n// https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\n\tfloat a2 = pow2( alpha );\n\n\t// dotNL and dotNV are explicitly swapped. This is not a mistake.\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\n\treturn 0.5 / max( gv + gl, EPSILON );\n\n}\n\n// Microfacet Models for Refraction through Rough Surfaces - equation (33)\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\n// alpha is "roughness squared" in Disney’s reparameterization\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\n\tfloat a2 = pow2( alpha );\n\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; // avoid alpha = 0 with dotNH = 1\n\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n\n}\n\n// GGX Distribution, Schlick Fresnel, GGX-Smith Visibility\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\n\tfloat alpha = pow2( roughness ); // UE4\'s roughness\n\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\n\tfloat D = D_GGX( alpha, dotNH );\n\n\treturn F * ( G * D );\n\n} // validated\n\n// Rect Area Light\n\n// Real-Time Polygonal-Light Shading with Linearly Transformed Cosines\n// by Eric Heitz, Jonathan Dupuy, Stephen Hill and David Neubelt\n// code: https://github.com/selfshadow/ltc_code/\n\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\n\tconst float LUT_SIZE  = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS  = 0.5 / LUT_SIZE;\n\n\tfloat dotNV = saturate( dot( N, V ) );\n\n\t// texture parameterized by sqrt( GGX alpha ) and sqrt( 1 - cos( theta ) )\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\n\treturn uv;\n\n}\n\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\n\t// Real-Time Area Lighting: a Journey from Research to Production (p.102)\n\t// An approximation of the form factor of a horizon-clipped rectangle.\n\n\tfloat l = length( f );\n\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n\n}\n\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\n\tfloat x = dot( v1, v2 );\n\n\tfloat y = abs( x );\n\n\t// rational polynomial approximation to theta / sin( theta ) / 2PI\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\n\treturn cross( v1, v2 ) * theta_sintheta;\n\n}\n\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\n\t// bail if point is on back side of plane of light\n\t// assumes ccw winding order of light vertices\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\n\t// construct orthonormal basis around N\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 ); // negated from paper; possibly due to a different handedness of world coordinate system\n\n\t// compute transform\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\n\t// transform rect\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\n\t// project rect onto sphere\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\n\t// calculate vector form factor\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\n\t// adjust for horizon clipping\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\n/*\n\t// alternate method of adjusting for horizon clipping (see referece)\n\t// refactoring required\n\tfloat len = length( vectorFormFactor );\n\tfloat z = vectorFormFactor.z / len;\n\n\tconst float LUT_SIZE  = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS  = 0.5 / LUT_SIZE;\n\n\t// tabulated horizon-clipped sphere, apparently...\n\tvec2 uv = vec2( z * 0.5 + 0.5, len );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\n\tfloat scale = texture2D( ltc_2, uv ).w;\n\n\tfloat result = len * scale;\n*/\n\n\treturn vec3( result );\n\n}\n\n// End Rect Area Light\n\n// ref: https://www.unrealengine.com/blog/physically-based-shading-on-mobile - environmentBRDF for GGX on mobile\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\n\treturn specularColor * brdf.x + brdf.y;\n\n} // validated\n\n// Fdez-Agüera\'s "Multiple-Scattering Microfacet Model for Real-Time Image Based Lighting"\n// Approximates multiscattering in order to preserve energy.\n// http://www.jcgt.org/published/0008/01/03/\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619; // 1/21\n\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n\n}\n\nfloat G_BlinnPhong_Implicit( /* const in float dotNL, const in float dotNV */ ) {\n\n\t// geometry term is (n dot l)(n dot v) / 4(n dot l)(n dot v)\n\treturn 0.25;\n\n}\n\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n\n}\n\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\n\t//float dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\t//float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\n\tfloat G = G_BlinnPhong_Implicit( /* dotNL, dotNV */ );\n\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\n\treturn F * ( G * D );\n\n} // validated\n\n// source: http://simonstechblog.blogspot.ca/2011/12/microfacet-brdf.html\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\n\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n',bumpmap_pars_fragment:"\n#ifdef USE_BUMPMAP\n\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\n\t// Bump Mapping Unparametrized Surfaces on the GPU by Morten S. Mikkelsen\n\t// http://api.unrealengine.com/attachments/Engine/Rendering/LightingAndShadows/BumpMappingWithoutTangentSpace/mm_sfgrad_bump.pdf\n\n\t// Evaluate the derivative of the height w.r.t. screen-space using forward differencing (listing 2)\n\n\tvec2 dHdxy_fwd() {\n\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\n\t\treturn vec2( dBx, dBy );\n\n\t}\n\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\n\t\t// Workaround for Adreno 3XX dFd*( vec3 ) bug. See #9988\n\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\t\t// normalized\n\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\n\t\tfDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\n\t}\n\n#endif\n",clipping_planes_fragment:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvec4 plane;\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vViewPosition, plane.xyz ) > plane.w ) discard;\n\n\t}\n\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\n\t\tbool clipped = true;\n\n\t\t#pragma unroll_loop\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vViewPosition, plane.xyz ) > plane.w ) && clipped;\n\n\t\t}\n\n\t\tif ( clipped ) discard;\n\n\t#endif\n\n#endif\n",clipping_planes_pars_fragment:"\n#if NUM_CLIPPING_PLANES > 0\n\n\t#if ! defined( PHYSICAL ) && ! defined( PHONG ) && ! defined( MATCAP )\n\t\tvarying vec3 vViewPosition;\n\t#endif\n\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n\n#endif\n",clipping_planes_pars_vertex:"\n#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG ) && ! defined( MATCAP )\n\tvarying vec3 vViewPosition;\n#endif\n",clipping_planes_vertex:"\n#if NUM_CLIPPING_PLANES > 0 && ! defined( PHYSICAL ) && ! defined( PHONG ) && ! defined( MATCAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n",color_fragment:"\n#ifdef USE_COLOR\n\n\tdiffuseColor.rgb *= vColor;\n\n#endif\n",color_pars_fragment:"\n#ifdef USE_COLOR\n\n\tvarying vec3 vColor;\n\n#endif\n",color_pars_vertex:"\n#ifdef USE_COLOR\n\n\tvarying vec3 vColor;\n\n#endif\n",color_vertex:"\n#ifdef USE_COLOR\n\n\tvColor.xyz = color.xyz;\n\n#endif\n",common:"\n#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI_HALF 1.5707963267949\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\n\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\n// expects values in the range of [0,1]x[0,1], returns values in the [0,1] range.\n// do not collapse into a single function per: http://byteblacksmith.com/improvements-to-the-canonical-one-liner-glsl-rand-for-opengl-es-2-0/\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\n\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n};\n\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n}\n\n// http://en.wikibooks.org/wiki/GLSL_Programming/Applying_Matrix_Transformations\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n\n}\n\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\n\treturn - distance * planeNormal + point;\n\n}\n\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n\n}\n\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n\n}\n\nmat3 transposeMat3( const in mat3 m ) {\n\n\tmat3 tmp;\n\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\n\treturn tmp;\n\n}\n\n// https://en.wikipedia.org/wiki/Relative_luminance\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\n\treturn dot( weights, color.rgb );\n\n}\n",cube_uv_reflection_fragment:"\n#ifdef ENVMAP_TYPE_CUBE_UV\n\n#define cubeUV_textureSize (1024.0)\n\nint getFaceFromDirection(vec3 direction) {\n\tvec3 absDirection = abs(direction);\n\tint face = -1;\n\tif( absDirection.x > absDirection.z ) {\n\t\tif(absDirection.x > absDirection.y )\n\t\t\tface = direction.x > 0.0 ? 0 : 3;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\telse {\n\t\tif(absDirection.z > absDirection.y )\n\t\t\tface = direction.z > 0.0 ? 2 : 5;\n\t\telse\n\t\t\tface = direction.y > 0.0 ? 1 : 4;\n\t}\n\treturn face;\n}\n#define cubeUV_maxLods1  (log2(cubeUV_textureSize*0.25) - 1.0)\n#define cubeUV_rangeClamp (exp2((6.0 - 1.0) * 2.0))\n\nvec2 MipLevelInfo( vec3 vec, float roughnessLevel, float roughness ) {\n\tfloat scale = exp2(cubeUV_maxLods1 - roughnessLevel);\n\tfloat dxRoughness = dFdx(roughness);\n\tfloat dyRoughness = dFdy(roughness);\n\tvec3 dx = dFdx( vec * scale * dxRoughness );\n\tvec3 dy = dFdy( vec * scale * dyRoughness );\n\tfloat d = max( dot( dx, dx ), dot( dy, dy ) );\n\t// Clamp the value to the max mip level counts. hard coded to 6 mips\n\td = clamp(d, 1.0, cubeUV_rangeClamp);\n\tfloat mipLevel = 0.5 * log2(d);\n\treturn vec2(floor(mipLevel), fract(mipLevel));\n}\n\n#define cubeUV_maxLods2 (log2(cubeUV_textureSize*0.25) - 2.0)\n#define cubeUV_rcpTextureSize (1.0 / cubeUV_textureSize)\n\nvec2 getCubeUV(vec3 direction, float roughnessLevel, float mipLevel) {\n\tmipLevel = roughnessLevel > cubeUV_maxLods2 - 3.0 ? 0.0 : mipLevel;\n\tfloat a = 16.0 * cubeUV_rcpTextureSize;\n\n\tvec2 exp2_packed = exp2( vec2( roughnessLevel, mipLevel ) );\n\tvec2 rcp_exp2_packed = vec2( 1.0 ) / exp2_packed;\n\t// float powScale = exp2(roughnessLevel + mipLevel);\n\tfloat powScale = exp2_packed.x * exp2_packed.y;\n\t// float scale =  1.0 / exp2(roughnessLevel + 2.0 + mipLevel);\n\tfloat scale = rcp_exp2_packed.x * rcp_exp2_packed.y * 0.25;\n\t// float mipOffset = 0.75*(1.0 - 1.0/exp2(mipLevel))/exp2(roughnessLevel);\n\tfloat mipOffset = 0.75*(1.0 - rcp_exp2_packed.y) * rcp_exp2_packed.x;\n\n\tbool bRes = mipLevel == 0.0;\n\tscale =  bRes && (scale < a) ? a : scale;\n\n\tvec3 r;\n\tvec2 offset;\n\tint face = getFaceFromDirection(direction);\n\n\tfloat rcpPowScale = 1.0 / powScale;\n\n\tif( face == 0) {\n\t\tr = vec3(direction.x, -direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 1) {\n\t\tr = vec3(direction.y, direction.x, direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 2) {\n\t\tr = vec3(direction.z, direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.75 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? a : offset.y;\n\t}\n\telse if( face == 3) {\n\t\tr = vec3(direction.x, direction.z, direction.y);\n\t\toffset = vec2(0.0+mipOffset,0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse if( face == 4) {\n\t\tr = vec3(direction.y, direction.x, -direction.z);\n\t\toffset = vec2(scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\telse {\n\t\tr = vec3(direction.z, -direction.x, direction.y);\n\t\toffset = vec2(2.0*scale+mipOffset, 0.5 * rcpPowScale);\n\t\toffset.y = bRes && (offset.y < 2.0*a) ? 0.0 : offset.y;\n\t}\n\tr = normalize(r);\n\tfloat texelOffset = 0.5 * cubeUV_rcpTextureSize;\n\tvec2 s = ( r.yz / abs( r.x ) + vec2( 1.0 ) ) * 0.5;\n\tvec2 base = offset + vec2( texelOffset );\n\treturn base + s * ( scale - 2.0 * texelOffset );\n}\n\n#define cubeUV_maxLods3 (log2(cubeUV_textureSize*0.25) - 3.0)\n\nvec4 textureCubeUV( sampler2D envMap, vec3 reflectedDirection, float roughness ) {\n\tfloat roughnessVal = roughness* cubeUV_maxLods3;\n\tfloat r1 = floor(roughnessVal);\n\tfloat r2 = r1 + 1.0;\n\tfloat t = fract(roughnessVal);\n\tvec2 mipInfo = MipLevelInfo(reflectedDirection, r1, roughness);\n\tfloat s = mipInfo.y;\n\tfloat level0 = mipInfo.x;\n\tfloat level1 = level0 + 1.0;\n\tlevel1 = level1 > 5.0 ? 5.0 : level1;\n\n\t// round to nearest mipmap if we are not interpolating.\n\tlevel0 += min( floor( s + 0.5 ), 5.0 );\n\n\t// Tri linear interpolation.\n\tvec2 uv_10 = getCubeUV(reflectedDirection, r1, level0);\n\tvec4 color10 = envMapTexelToLinear(texture2D(envMap, uv_10));\n\n\tvec2 uv_20 = getCubeUV(reflectedDirection, r2, level0);\n\tvec4 color20 = envMapTexelToLinear(texture2D(envMap, uv_20));\n\n\tvec4 result = mix(color10, color20, t);\n\n\treturn vec4(result.rgb, 1.0);\n}\n\n#endif\n",defaultnormal_vertex:"\nvec3 transformedNormal = normalMatrix * objectNormal;\n\n#ifdef FLIP_SIDED\n\n\ttransformedNormal = - transformedNormal;\n\n#endif\n\n#ifdef USE_TANGENT\n\n\tvec3 transformedTangent = normalMatrix * objectTangent;\n\n\t#ifdef FLIP_SIDED\n\n\t\ttransformedTangent = - transformedTangent;\n\n\t#endif\n\n#endif\n",displacementmap_pars_vertex:"\n#ifdef USE_DISPLACEMENTMAP\n\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n\n#endif\n",displacementmap_vertex:"\n#ifdef USE_DISPLACEMENTMAP\n\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, uv ).x * displacementScale + displacementBias );\n\n#endif\n",emissivemap_fragment:"\n#ifdef USE_EMISSIVEMAP\n\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n\n#endif\n",emissivemap_pars_fragment:"\n#ifdef USE_EMISSIVEMAP\n\n\tuniform sampler2D emissiveMap;\n\n#endif\n",encodings_fragment:"\ngl_FragColor = linearToOutputTexel( gl_FragColor );\n",encodings_pars_fragment:"\n// For a discussion of what this is, please read this: http://lousodrome.net/blog/light/2013/05/26/gamma-correct-and-hdr-rendering-in-a-32-bits-buffer/\n\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\n\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\n\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\n\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\n\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\n\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\n\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n//  return vec4( value.brg, ( 3.0 + 128.0 ) / 256.0 );\n}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\n\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\n\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = min( floor( D ) / 255.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\n\n// LogLuv reference: http://graphicrants.blogspot.ca/2009/04/rgbm-color-encoding.html\n\n// M matrix, for encoding\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value )  {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\n\n// Inverse M matrix, for decoding\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}\n",envmap_fragment:"\n#ifdef USE_ENVMAP\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\n\t\t// Transforming Normal Vectors with the Inverse Transformation\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\n\t\t#else\n\n\t\t\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\n\n\t\t#endif\n\n\t#else\n\n\t\tvec3 reflectVec = vReflect;\n\n\t#endif\n\n\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\n\t\tvec2 sampleUV;\n\n\t\treflectVec = normalize( reflectVec );\n\n\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\n\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\n\t\treflectVec = normalize( reflectVec );\n\n\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\n\t#else\n\n\t\tvec4 envColor = vec4( 0.0 );\n\n\t#endif\n\n\tenvColor = envMapTexelToLinear( envColor );\n\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\n\t#endif\n\n#endif\n",envmap_pars_fragment:"\n#if defined( USE_ENVMAP ) || defined( PHYSICAL )\n\tuniform float reflectivity;\n\tuniform float envMapIntensity;\n#endif\n\n#ifdef USE_ENVMAP\n\n\t#if ! defined( PHYSICAL ) && ( defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) )\n\t\tvarying vec3 vWorldPosition;\n\t#endif\n\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( PHYSICAL )\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n\n#endif\n",envmap_pars_vertex:"\n#ifdef USE_ENVMAP\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\tvarying vec3 vWorldPosition;\n\n\t#else\n\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\n\t#endif\n\n#endif\n",envmap_physical_pars_fragment:"\n#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\n\tvec3 getLightProbeIndirectIrradiance( /*const in SpecularLightProbe specularLightProbe,*/ const in GeometricContext geometry, const in int maxMIPLevel ) {\n\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\n\t\t\t// TODO: replace with properly filtered cubemaps and access the irradiance LOD level, be it the last LOD level\n\t\t\t// of a specular cubemap, or just the default level of a specially created irradiance cubemap.\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\n\t\t\t#else\n\n\t\t\t\t// force the bias high to get the last LOD level as it is the most blurred.\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, queryVec, 1.0 );\n\n\t\t#else\n\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\n\t\t#endif\n\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\n\t}\n\n\t// taken from here: http://casual-effects.blogspot.ca/2011/08/plausible-environment-lighting-in-two.html\n\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\n\t\t//float envMapWidth = pow( 2.0, maxMIPLevelScalar );\n\t\t//float desiredMIPLevel = log2( envMapWidth * sqrt( 3.0 ) ) - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\n\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\n\n\t\t// clamp to allowable LOD ranges.\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\n\t}\n\n\tvec3 getLightProbeIndirectRadiance( /*const in SpecularLightProbe specularLightProbe,*/ const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\n\t\t#else\n\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\n\t\t#endif\n\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\n\t\t\t#else\n\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, queryReflectVec, BlinnExponentToGGXRoughness(blinnShininessExponent ));\n\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\n\t\t\t#else\n\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\n\t\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\n\t\t\t#else\n\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#endif\n\n\t\treturn envMapColor.rgb * envMapIntensity;\n\n\t}\n\n#endif\n",envmap_vertex:"\n#ifdef USE_ENVMAP\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\n\t\tvWorldPosition = worldPosition.xyz;\n\n\t#else\n\n\t\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\n\t\t#else\n\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\n\t\t#endif\n\n\t#endif\n\n#endif\n",fog_vertex:"\n#ifdef USE_FOG\n\n\tfogDepth = -mvPosition.z;\n\n#endif\n",fog_pars_vertex:"\n#ifdef USE_FOG\n\n\tvarying float fogDepth;\n\n#endif\n",fog_fragment:"\n#ifdef USE_FOG\n\n\t#ifdef FOG_EXP2\n\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * fogDepth * fogDepth * LOG2 ) );\n\n\t#else\n\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\n\t#endif\n\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\n#endif\n",fog_pars_fragment:"\n#ifdef USE_FOG\n\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\n\t#ifdef FOG_EXP2\n\n\t\tuniform float fogDensity;\n\n\t#else\n\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\n\t#endif\n\n#endif\n",gradientmap_pars_fragment:"\n#ifdef TOON\n\n\tuniform sampler2D gradientMap;\n\n\tvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\n\t\t// dotNL will be from -1.0 to 1.0\n\t\tfloat dotNL = dot( normal, lightDirection );\n\t\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\n\t\t#ifdef USE_GRADIENTMAP\n\n\t\t\treturn texture2D( gradientMap, coord ).rgb;\n\n\t\t#else\n\n\t\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\n\t\t#endif\n\n\n\t}\n\n#endif\n",lightmap_fragment:"\n#ifdef USE_LIGHTMAP\n\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity; // factor of PI should not be present; included here to prevent breakage\n\n#endif\n",lightmap_pars_fragment:"\n#ifdef USE_LIGHTMAP\n\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n\n#endif\n",lights_lambert_vertex:"\nvec3 diffuse = vec3( 1.0 );\n\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = normalize( -mvPosition.xyz );\n\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\n\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\n\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n\n#if NUM_POINT_LIGHTS > 0\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\n\t}\n\n#endif\n\n#if NUM_SPOT_LIGHTS > 0\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\t}\n\n#endif\n\n/*\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\n\t\t// TODO (abelnation): implement\n\n\t}\n\n#endif\n*/\n\n#if NUM_DIR_LIGHTS > 0\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\n\t}\n\n#endif\n\n#if NUM_HEMI_LIGHTS > 0\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\n\t\t#endif\n\n\t}\n\n#endif\n",lights_pars_begin:"\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\n\n// get the irradiance (radiance convolved with cosine lobe) at the point 'normal' on the unit sphere\n// source: https://graphics.stanford.edu/papers/envmap/envmap.pdf\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\n\t// normal is assumed to have unit length\n\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\n\t// band 0\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\n\t// band 1\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\n\t// band 2\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\n\treturn result;\n\n}\n\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\n\treturn irradiance;\n\n}\n\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\n\tvec3 irradiance = ambientLightColor;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI;\n\n\t#endif\n\n\treturn irradiance;\n\n}\n\n#if NUM_DIR_LIGHTS > 0\n\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\n\t}\n\n#endif\n\n\n#if NUM_POINT_LIGHTS > 0\n\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t\tfloat shadowCameraNear;\n\t\tfloat shadowCameraFar;\n\t};\n\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\n\t// directLight is an out parameter as having it as a return value caused compiler errors on some devices\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\n\t\tfloat lightDistance = length( lVector );\n\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\n\t}\n\n#endif\n\n\n#if NUM_SPOT_LIGHTS > 0\n\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\n\t// directLight is an out parameter as having it as a return value caused compiler errors on some devices\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight  ) {\n\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\n\t\tif ( angleCos > spotLight.coneCos ) {\n\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\n\t\t} else {\n\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\n\t\t}\n\t}\n\n#endif\n\n\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\n\t// Pre-computed values of LinearTransformedCosine approximation of BRDF\n\t// BRDF approximation Texture is 64x64\n\tuniform sampler2D ltc_1; // RGBA Float\n\tuniform sampler2D ltc_2; // RGBA Float\n\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n\n#endif\n\n\n#if NUM_HEMI_LIGHTS > 0\n\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tirradiance *= PI;\n\n\t\t#endif\n\n\t\treturn irradiance;\n\n\t}\n\n#endif\n",lights_phong_fragment:"\nBlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n",lights_phong_pars_fragment:"\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n\nstruct BlinnPhongMaterial {\n\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n\n};\n\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\n\t#ifdef TOON\n\n\t\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\n\t#else\n\n\t\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\t\tvec3 irradiance = dotNL * directLight.color;\n\n\t#endif\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n\n}\n\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n\n#define Material_LightProbeLOD( material )\t(0)\n",lights_physical_fragment:"\nPhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\n#ifdef STANDARD\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.clearCoat = saturate( clearCoat ); // Burley clearcoat model\n\tmaterial.clearCoatRoughness = clamp( clearCoatRoughness, 0.04, 1.0 );\n#endif\n",lights_physical_pars_fragment:"\nstruct PhysicalMaterial {\n\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n\n\t#ifndef STANDARD\n\t\tfloat clearCoat;\n\t\tfloat clearCoatRoughness;\n\t#endif\n\n};\n\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\n\n// Clear coat directional hemishperical reflectance (this approximation should be improved)\nfloat clearCoatDHRApprox( const in float roughness, const in float dotNL ) {\n\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n\n}\n\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight; // counterclockwise; light shines in local neg z direction\n\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\n\t\t// LTC Fresnel Approximation by Stephen Hill\n\t\t// http://blog.selfshadow.com/publications/s2016-advances/s2016_ltc_fresnel.pdf\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\n\t}\n\n#endif\n\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\n\tvec3 irradiance = dotNL * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\t#ifndef STANDARD\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\n\treflectedLight.directSpecular += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\n\n\treflectedLight.directDiffuse += ( 1.0 - clearCoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n\t#ifndef STANDARD\n\n\t\treflectedLight.directSpecular += irradiance * material.clearCoat * BRDF_Specular_GGX( directLight, geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\n\t#endif\n\n}\n\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\t// Defer to the IndirectSpecular function to compute\n\t// the indirectDiffuse if energy preservation is enabled.\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\n\t\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n\t#endif\n\n}\n\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearCoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\n\t#ifndef STANDARD\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\tfloat dotNL = dotNV;\n\t\tfloat clearCoatDHR = material.clearCoat * clearCoatDHRApprox( material.clearCoatRoughness, dotNL );\n\t#else\n\t\tfloat clearCoatDHR = 0.0;\n\t#endif\n\n\tfloat clearCoatInv = 1.0 - clearCoatDHR;\n\n\t// Both indirect specular and diffuse light accumulate here\n\t// if energy preservation enabled, and PMREM provided.\n\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\tvec3 singleScattering = vec3( 0.0 );\n\t\tvec3 multiScattering = vec3( 0.0 );\n\t\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\n\t\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\n\t\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\n\t\treflectedLight.indirectSpecular += clearCoatInv * radiance * singleScattering;\n\t\treflectedLight.indirectDiffuse += multiScattering * cosineWeightedIrradiance;\n\t\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n\n\t#else\n\n\t\treflectedLight.indirectSpecular += clearCoatInv * radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\n\n\t#endif\n\n\t#ifndef STANDARD\n\n\t\treflectedLight.indirectSpecular += clearCoatRadiance * material.clearCoat * BRDF_Specular_GGX_Environment( geometry, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearCoatRoughness );\n\n\t#endif\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\n\n#define Material_BlinnShininessExponent( material )   GGXRoughnessToBlinnExponent( material.specularRoughness )\n#define Material_ClearCoat_BlinnShininessExponent( material )   GGXRoughnessToBlinnExponent( material.clearCoatRoughness )\n\n// ref: https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n\n}\n",lights_fragment_begin:"\n/**\n * This is a template that can be used to light a material, it uses pluggable\n * RenderEquations (RE)for specific lighting scenarios.\n *\n * Instructions for use:\n * - Ensure that both RE_Direct, RE_IndirectDiffuse and RE_IndirectSpecular are defined\n * - If you have defined an RE_IndirectSpecular, you need to also provide a Material_LightProbeLOD. <---- ???\n * - Create a material parameter that is to be passed as the third parameter to your lighting functions.\n *\n * TODO:\n * - Add area light support.\n * - Add sphere light support.\n * - Add diffuse light probe (irradiance cubemap) support.\n */\n\nGeometricContext geometry;\n\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = normalize( vViewPosition );\n\nIncidentLight directLight;\n\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tPointLight pointLight;\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tpointLight = pointLights[ i ];\n\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( pointLight.shadow, directLight.visible ) ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\n#endif\n\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tSpotLight spotLight;\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tspotLight = spotLights[ i ];\n\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( spotLight.shadow, directLight.visible ) ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\n#endif\n\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tDirectionalLight directionalLight;\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tdirectionalLight = directionalLights[ i ];\n\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\n\t\t#ifdef USE_SHADOWMAP\n\t\tdirectLight.color *= all( bvec2( directionalLight.shadow, directLight.visible ) ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\n#endif\n\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\tRectAreaLight rectAreaLight;\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\n\t}\n\n#endif\n\n#if defined( RE_IndirectDiffuse )\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t#pragma unroll_loop\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\n\t\t}\n\n\t#endif\n\n#endif\n\n#if defined( RE_IndirectSpecular )\n\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearCoatRadiance = vec3( 0.0 );\n\n#endif\n",lights_fragment_maps:"\n#if defined( RE_IndirectDiffuse )\n\n\t#ifdef USE_LIGHTMAP\n\n\t\tvec3 lightMapIrradiance = texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tlightMapIrradiance *= PI; // factor of PI should not be present; included here to prevent breakage\n\n\t\t#endif\n\n\t\tirradiance += lightMapIrradiance;\n\n\t#endif\n\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL ) && defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\tirradiance += getLightProbeIndirectIrradiance( /*lightProbe,*/ geometry, maxMipLevel );\n\n\t#endif\n\n#endif\n\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\n\tradiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry, Material_BlinnShininessExponent( material ), maxMipLevel );\n\n\t#ifndef STANDARD\n\t\tclearCoatRadiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry, Material_ClearCoat_BlinnShininessExponent( material ), maxMipLevel );\n\t#endif\n\n#endif\n",lights_fragment_end:"\n#if defined( RE_IndirectDiffuse )\n\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n\n#endif\n\n#if defined( RE_IndirectSpecular )\n\n\tRE_IndirectSpecular( radiance, irradiance, clearCoatRadiance, geometry, material, reflectedLight );\n\n#endif\n",logdepthbuf_fragment:"\n#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\n\tgl_FragDepthEXT = log2( vFragDepth ) * logDepthBufFC * 0.5;\n\n#endif\n",logdepthbuf_pars_fragment:"\n#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\n#endif\n",logdepthbuf_pars_vertex:"\n#ifdef USE_LOGDEPTHBUF\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvarying float vFragDepth;\n\n\t#else\n\n\t\tuniform float logDepthBufFC;\n\n\t#endif\n\n#endif\n",logdepthbuf_vertex:"\n#ifdef USE_LOGDEPTHBUF\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\n\t#else\n\n\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\n\t\tgl_Position.z *= gl_Position.w;\n\n\t#endif\n\n#endif\n",map_fragment:"\n#ifdef USE_MAP\n\n\tvec4 texelColor = texture2D( map, vUv );\n\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n\n#endif\n",map_pars_fragment:"\n#ifdef USE_MAP\n\n\tuniform sampler2D map;\n\n#endif\n",map_particle_fragment:"\n#ifdef USE_MAP\n\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n\n#endif\n",map_particle_pars_fragment:"\n#ifdef USE_MAP\n\n\tuniform mat3 uvTransform;\n\tuniform sampler2D map;\n\n#endif\n",metalnessmap_fragment:"\nfloat metalnessFactor = metalness;\n\n#ifdef USE_METALNESSMAP\n\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\n\t// reads channel B, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\tmetalnessFactor *= texelMetalness.b;\n\n#endif\n",metalnessmap_pars_fragment:"\n#ifdef USE_METALNESSMAP\n\n\tuniform sampler2D metalnessMap;\n\n#endif\n",morphnormal_vertex:"\n#ifdef USE_MORPHNORMALS\n\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n\n#endif\n",morphtarget_pars_vertex:"\n#ifdef USE_MORPHTARGETS\n\n\t#ifndef USE_MORPHNORMALS\n\n\tuniform float morphTargetInfluences[ 8 ];\n\n\t#else\n\n\tuniform float morphTargetInfluences[ 4 ];\n\n\t#endif\n\n#endif\n",morphtarget_vertex:"\n#ifdef USE_MORPHTARGETS\n\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\n\t#ifndef USE_MORPHNORMALS\n\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\n\t#endif\n\n#endif\n",normal_fragment_begin:"\n#ifdef FLAT_SHADED\n\n\t// Workaround for Adreno/Nexus5 not able able to do dFdx( vViewPosition ) ...\n\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n\n#else\n\n\tvec3 normal = normalize( vNormal );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\n\t#endif\n\n\t#ifdef USE_TANGENT\n\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\ttangent = tangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t\tbitangent = bitangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\n\t\t#endif\n\n\t#endif\n\n#endif\n",normal_fragment_maps:"\n#ifdef USE_NORMALMAP\n\n\t#ifdef OBJECTSPACE_NORMALMAP\n\n\t\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; // overrides both flatShading and attribute normals\n\n\t\t#ifdef FLIP_SIDED\n\n\t\t\tnormal = - normal;\n\n\t\t#endif\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\n\t\t#endif\n\n\t\tnormal = normalize( normalMatrix * normal );\n\n\t#else // tangent-space normal map\n\n\t\t#ifdef USE_TANGENT\n\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t\t\tmapN.xy = normalScale * mapN.xy;\n\t\t\tnormal = normalize( vTBN * mapN );\n\n\t\t#else\n\n\t\t\tnormal = perturbNormal2Arb( -vViewPosition, normal );\n\n\t\t#endif\n\n\t#endif\n\n#elif defined( USE_BUMPMAP )\n\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n\n#endif\n",normalmap_pars_fragment:"\n#ifdef USE_NORMALMAP\n\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\n\t#ifdef OBJECTSPACE_NORMALMAP\n\n\t\tuniform mat3 normalMatrix;\n\n\t#else\n\n\t\t// Per-Pixel Tangent Space Normal Mapping\n\t\t// http://hacksoflife.blogspot.ch/2009/11/per-pixel-tangent-space-normal-mapping.html\n\n\t\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm ) {\n\n\t\t\t// Workaround for Adreno 3XX dFd*( vec3 ) bug. See #9988\n\n\t\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\t\tvec2 st0 = dFdx( vUv.st );\n\t\t\tvec2 st1 = dFdy( vUv.st );\n\n\t\t\tfloat scale = sign( st1.t * st0.s - st0.t * st1.s ); // we do not care about the magnitude\n\n\t\t\tvec3 S = normalize( ( q0 * st1.t - q1 * st0.t ) * scale );\n\t\t\tvec3 T = normalize( ( - q0 * st1.s + q1 * st0.s ) * scale );\n\t\t\tvec3 N = normalize( surf_norm );\n\t\t\tmat3 tsn = mat3( S, T, N );\n\n\t\t\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\n\t\t\tmapN.xy *= normalScale;\n\t\t\tmapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\n\t\t\treturn normalize( tsn * mapN );\n\n\t\t}\n\n\t#endif\n\n#endif\n",packing:"\nvec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\n\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\n\nconst float PackUpscale = 256. / 255.; // fraction -> 0..1 (including 1)\nconst float UnpackDownscale = 255. / 256.; // 0..1 -> fraction (excluding 1)\n\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\n\nconst float ShiftRight8 = 1. / 256.;\n\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8; // tidy overflow\n\treturn r * PackUpscale;\n}\n\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\n\n// NOTE: viewZ/eyeZ is < 0 when in front of the camera per OpenGL conventions\n\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\n\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}\n",premultiplied_alpha_fragment:"\n#ifdef PREMULTIPLIED_ALPHA\n\n\t// Get get normal blending with premultipled, use with CustomBlending, OneFactor, OneMinusSrcAlphaFactor, AddEquation.\n\tgl_FragColor.rgb *= gl_FragColor.a;\n\n#endif\n",project_vertex:"\nvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\n\ngl_Position = projectionMatrix * mvPosition;\n",dithering_fragment:"\n#if defined( DITHERING )\n\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n\n#endif\n",dithering_pars_fragment:"\n#if defined( DITHERING )\n\n\t// based on https://www.shadertoy.com/view/MslGR8\n\tvec3 dithering( vec3 color ) {\n\t\t//Calculate grid position\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\n\t\t//Shift the individual colors differently, thus making it even harder to see the dithering pattern\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\n\t\t//modify shift acording to grid position.\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\n\t\t//shift the color by dither_shift\n\t\treturn color + dither_shift_RGB;\n\t}\n\n#endif\n",roughnessmap_fragment:"\nfloat roughnessFactor = roughness;\n\n#ifdef USE_ROUGHNESSMAP\n\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\n\t// reads channel G, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\troughnessFactor *= texelRoughness.g;\n\n#endif\n",roughnessmap_pars_fragment:"\n#ifdef USE_ROUGHNESSMAP\n\n\tuniform sampler2D roughnessMap;\n\n#endif\n",shadowmap_pars_fragment:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHTS > 0\n\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHTS > 0\n\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\n\t#endif\n\n\t#if NUM_POINT_LIGHTS > 0\n\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): create uniforms for area light shadows\n\n\t#endif\n\t*/\n\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\n\t}\n\n\tfloat texture2DShadowLerp( sampler2D depths, vec2 size, vec2 uv, float compare ) {\n\n\t\tconst vec2 offset = vec2( 0.0, 1.0 );\n\n\t\tvec2 texelSize = vec2( 1.0 ) / size;\n\t\tvec2 centroidUV = floor( uv * size + 0.5 ) / size;\n\n\t\tfloat lb = texture2DCompare( depths, centroidUV + texelSize * offset.xx, compare );\n\t\tfloat lt = texture2DCompare( depths, centroidUV + texelSize * offset.xy, compare );\n\t\tfloat rb = texture2DCompare( depths, centroidUV + texelSize * offset.yx, compare );\n\t\tfloat rt = texture2DCompare( depths, centroidUV + texelSize * offset.yy, compare );\n\n\t\tvec2 f = fract( uv * size + 0.5 );\n\n\t\tfloat a = mix( lb, lt, f.y );\n\t\tfloat b = mix( rb, rt, f.y );\n\t\tfloat c = mix( a, b, f.x );\n\n\t\treturn c;\n\n\t}\n\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\n\t\tfloat shadow = 1.0;\n\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\n\t\t// if ( something && something ) breaks ATI OpenGL shader compiler\n\t\t// if ( all( something, something ) ) using this instead\n\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\n\t\tbool frustumTest = all( frustumTestVec );\n\n\t\tif ( frustumTest ) {\n\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\n\t\t\tshadow = (\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DShadowLerp( shadowMap, shadowMapSize, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 9.0 );\n\n\t\t#else // no percentage-closer filtering:\n\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\n\t\t#endif\n\n\t\t}\n\n\t\treturn shadow;\n\n\t}\n\n\t// cubeToUV() maps a 3D direction vector suitable for cube texture mapping to a 2D\n\t// vector suitable for 2D texture mapping. This code uses the following layout for the\n\t// 2D texture:\n\t//\n\t// xzXZ\n\t//  y Y\n\t//\n\t// Y - Positive y direction\n\t// y - Negative y direction\n\t// X - Positive x direction\n\t// x - Negative x direction\n\t// Z - Positive z direction\n\t// z - Negative z direction\n\t//\n\t// Source and test bed:\n\t// https://gist.github.com/tschw/da10c43c467ce8afd0c4\n\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\n\t\t// Number of texels to avoid at the edge of each square\n\n\t\tvec3 absV = abs( v );\n\n\t\t// Intersect unit cube\n\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\n\t\t// Apply scale to avoid seams\n\n\t\t// two texels less per square (one texel will do for NEAREST)\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\n\t\t// Unwrap\n\n\t\t// space: -1 ... 1 range for each square\n\t\t//\n\t\t// #X##\t\tdim    := ( 4 , 2 )\n\t\t//  # #\t\tcenter := ( 1 , 1 )\n\n\t\tvec2 planar = v.xy;\n\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\n\t\tif ( absV.z >= almostOne ) {\n\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\n\t\t} else if ( absV.x >= almostOne ) {\n\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\n\t\t} else if ( absV.y >= almostOne ) {\n\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\n\t\t}\n\n\t\t// Transform to UV space\n\n\t\t// scale := 0.5 / dim\n\t\t// translate := ( center + 0.5 ) / dim\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\n\t}\n\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\n\t\t// for point lights, the uniform @vShadowCoord is re-purposed to hold\n\t\t// the vector from the light to the world-space position of the fragment.\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\n\t\t// dp = normalized distance from light to fragment position\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); // need to clamp?\n\t\tdp += shadowBias;\n\n\t\t// bd3D = base direction 3D\n\t\tvec3 bd3D = normalize( lightToPosition );\n\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )\n\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\n\t\t#else // no percentage-closer filtering\n\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\n\t\t#endif\n\n\t}\n\n#endif\n",shadowmap_pars_vertex:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHTS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHTS > 0\n\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\n\n\t#endif\n\n\t#if NUM_POINT_LIGHTS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHTS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHTS ];\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): uniforms for area light shadows\n\n\t#endif\n\t*/\n\n#endif\n",shadowmap_vertex:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHTS > 0\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\n\t}\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHTS > 0\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\n\t}\n\n\t#endif\n\n\t#if NUM_POINT_LIGHTS > 0\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\n\t}\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): update vAreaShadowCoord with area light info\n\n\t#endif\n\t*/\n\n#endif\n",shadowmask_pars_fragment:"\nfloat getShadowMask() {\n\n\tfloat shadow = 1.0;\n\n\t#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHTS > 0\n\n\tDirectionalLight directionalLight;\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tshadow *= bool( directionalLight.shadow ) ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\n\t}\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHTS > 0\n\n\tSpotLight spotLight;\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tspotLight = spotLights[ i ];\n\t\tshadow *= bool( spotLight.shadow ) ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\n\t}\n\n\t#endif\n\n\t#if NUM_POINT_LIGHTS > 0\n\n\tPointLight pointLight;\n\n\t#pragma unroll_loop\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tpointLight = pointLights[ i ];\n\t\tshadow *= bool( pointLight.shadow ) ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\n\t}\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): update shadow for Area light\n\n\t#endif\n\t*/\n\n\t#endif\n\n\treturn shadow;\n\n}\n",skinbase_vertex:"\n#ifdef USE_SKINNING\n\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n\n#endif\n",skinning_pars_vertex:"\n#ifdef USE_SKINNING\n\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\n\t#ifdef BONE_TEXTURE\n\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\n\t\t\ty = dy * ( y + 0.5 );\n\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\n\t\t\treturn bone;\n\n\t\t}\n\n\t#else\n\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\n\t\t}\n\n\t#endif\n\n#endif\n",skinning_vertex:"\n#ifdef USE_SKINNING\n\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n\n#endif\n",skinnormal_vertex:"\n#ifdef USE_SKINNING\n\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix  = bindMatrixInverse * skinMatrix * bindMatrix;\n\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\n\t#ifdef USE_TANGENT\n\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\n\t#endif\n\n#endif\n",specularmap_fragment:"\nfloat specularStrength;\n\n#ifdef USE_SPECULARMAP\n\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n\n#else\n\n\tspecularStrength = 1.0;\n\n#endif\n",specularmap_pars_fragment:"\n#ifdef USE_SPECULARMAP\n\n\tuniform sampler2D specularMap;\n\n#endif\n",tonemapping_fragment:"\n#if defined( TONE_MAPPING )\n\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\n#endif\n",tonemapping_pars_fragment:"\n#ifndef saturate\n\t#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\n\n// exposure only\nvec3 LinearToneMapping( vec3 color ) {\n\n\treturn toneMappingExposure * color;\n\n}\n\n// source: https://www.cs.utah.edu/~reinhard/cdrom/\nvec3 ReinhardToneMapping( vec3 color ) {\n\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n\n}\n\n// source: http://filmicgames.com/archives/75\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n\n\t// John Hable's filmic operator from Uncharted 2 video game\n\tcolor *= toneMappingExposure;\n\treturn saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n\n}\n\n// source: http://filmicgames.com/archives/75\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\n\t// optimized filmic operator by Jim Hejl and Richard Burgess-Dawson\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n\n}\n\n// source: https://knarkowicz.wordpress.com/2016/01/06/aces-filmic-tone-mapping-curve/\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\n\tcolor *= toneMappingExposure;\n\treturn saturate( ( color * ( 2.51 * color + 0.03 ) ) / ( color * ( 2.43 * color + 0.59 ) + 0.14 ) );\n\n}\n",uv_pars_fragment:"\n#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\n\tvarying vec2 vUv;\n\n#endif\n",uv_pars_vertex:"\n#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n\n#endif\n",uv_vertex:"\n#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\n#endif\n",uv2_pars_fragment:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvarying vec2 vUv2;\n\n#endif\n",uv2_pars_vertex:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\n#endif\n",uv2_vertex:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvUv2 = uv2;\n\n#endif\n",worldpos_vertex:"\n#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\n\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n\n#endif\n",background_frag:"\nuniform sampler2D t2D;\n\nvarying vec2 vUv;\n\nvoid main() {\n\n\tvec4 texColor = texture2D( t2D, vUv );\n\n\tgl_FragColor = mapTexelToLinear( texColor );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",background_vert:"\nvarying vec2 vUv;\nuniform mat3 uvTransform;\n\nvoid main() {\n\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n\n}\n",cube_frag:"\nuniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\n\nvarying vec3 vWorldDirection;\n\nvoid main() {\n\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\n\tgl_FragColor = mapTexelToLinear( texColor );\n\tgl_FragColor.a *= opacity;\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",cube_vert:"\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\n\tgl_Position.z = gl_Position.w; // set z to camera.far\n\n}\n",depth_frag:"\n#if DEPTH_PACKING == 3200\n\n\tuniform float opacity;\n\n#endif\n\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( 1.0 );\n\n\t#if DEPTH_PACKING == 3200\n\n\t\tdiffuseColor.a = opacity;\n\n\t#endif\n\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\n\t#include <logdepthbuf_fragment>\n\n\t#if DEPTH_PACKING == 3200\n\n\t\tgl_FragColor = vec4( vec3( 1.0 - gl_FragCoord.z ), opacity );\n\n\t#elif DEPTH_PACKING == 3201\n\n\t\tgl_FragColor = packDepthToRGBA( gl_FragCoord.z );\n\n\t#endif\n\n}\n",depth_vert:"\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_DISPLACEMENTMAP\n\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n}\n",distanceRGBA_frag:"\n#define DISTANCE\n\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main () {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( 1.0 );\n\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist ); // clamp to [ 0, 1 ]\n\n\tgl_FragColor = packDepthToRGBA( dist );\n\n}\n",distanceRGBA_vert:"\n#define DISTANCE\n\nvarying vec3 vWorldPosition;\n\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_DISPLACEMENTMAP\n\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvWorldPosition = worldPosition.xyz;\n\n}\n",equirect_frag:"\nuniform sampler2D tEquirect;\n\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvec3 direction = normalize( vWorldDirection );\n\n\tvec2 sampleUV;\n\n\tsampleUV.y = asin( clamp( direction.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\n\tgl_FragColor = mapTexelToLinear( texColor );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\n}\n",equirect_vert:"\nvarying vec3 vWorldDirection;\n\n#include <common>\n\nvoid main() {\n\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\n}\n",linedashed_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\nuniform float dashSize;\nuniform float totalSize;\n\nvarying float vLineDistance;\n\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\n\t\tdiscard;\n\n\t}\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\n\toutgoingLight = diffuseColor.rgb; // simple shader\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",linedashed_vert:"\nuniform float scale;\nattribute float lineDistance;\n\nvarying float vLineDistance;\n\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <color_vertex>\n\n\tvLineDistance = scale * lineDistance;\n\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tgl_Position = projectionMatrix * mvPosition;\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n}\n",meshbasic_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\n\t// accumulation (baked indirect lighting only)\n\t#ifdef USE_LIGHTMAP\n\n\t\treflectedLight.indirectDiffuse += texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n\n\t#else\n\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\n\t#endif\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",meshbasic_vert:"\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_ENVMAP\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n\n}\n",meshlambert_frag:"\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\n\t#else\n\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\n\t#endif\n\n\t#include <lightmap_fragment>\n\n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\n\t#else\n\n\t\treflectedLight.directDiffuse = vLightFront;\n\n\t#endif\n\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}\n",meshlambert_vert:"\n#define LAMBERT\n\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}\n",meshmatcap_frag:"\n#define MATCAP\n\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n\n#include <fog_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5; // 0.495 to remove artifacts caused by undersized matcap disks\n\n\t#ifdef USE_MATCAP\n\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\n\t#else\n\n\t\tvec4 matcapColor = vec4( 1.0 );\n\n\t#endif\n\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",meshmatcap_vert:"\n#define MATCAP\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\t\tvNormal = normalize( transformedNormal );\n\n\t#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n}\n",meshphong_frag:"\n#define PHONG\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshphong_vert:"\n#define PHONG\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",meshphysical_frag:"\n#define PHYSICAL\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n\n#ifndef STANDARD\n\tuniform float clearCoat;\n\tuniform float clearCoatRoughness;\n#endif\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <envmap_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\n\t// accumulation\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\n\t// modulation\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n\n}\n",meshphysical_vert:"\n#define PHYSICAL\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n\t#ifdef USE_TANGENT\n\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\n\t#endif\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",normal_frag:"\n#define NORMAL\n\nuniform float opacity;\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || ( defined( USE_NORMALMAP ) && ! defined( OBJECTSPACE_NORMALMAP ) )\n\n\tvarying vec3 vViewPosition;\n\n#endif\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <packing>\n#include <uv_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\n}\n",normal_vert:"\n#define NORMAL\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || ( defined( USE_NORMALMAP ) && ! defined( OBJECTSPACE_NORMALMAP ) )\n\n\tvarying vec3 vViewPosition;\n\n#endif\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n\t#ifdef USE_TANGENT\n\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\n\t#endif\n\n#endif\n\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || ( defined( USE_NORMALMAP ) && ! defined( OBJECTSPACE_NORMALMAP ) )\n\n\tvViewPosition = - mvPosition.xyz;\n\n#endif\n\n}\n",points_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\n\toutgoingLight = diffuseColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",points_vert:"\nuniform float size;\nuniform float scale;\n\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\n\tgl_PointSize = size;\n\n\t#ifdef USE_SIZEATTENUATION\n\n\t\tbool isPerspective = ( projectionMatrix[ 2 ][ 3 ] == - 1.0 );\n\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\n\t#endif\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n\n}\n",shadow_frag:"\nuniform vec3 color;\nuniform float opacity;\n\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n\nvoid main() {\n\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\n\t#include <fog_fragment>\n\n}\n",shadow_vert:"\n#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\n\nvoid main() {\n\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n\n}\n",sprite_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\n\nvoid main() {\n\n\t#include <clipping_planes_fragment>\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphatest_fragment>\n\n\toutgoingLight = diffuseColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",sprite_vert:"\nuniform float rotation;\nuniform vec2 center;\n\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\n\t#ifndef USE_SIZEATTENUATION\n\n\t\tbool isPerspective = ( projectionMatrix[ 2 ][ 3 ] == - 1.0 );\n\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\n\t#endif\n\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\n\tmvPosition.xy += rotatedPosition;\n\n\tgl_Position = projectionMatrix * mvPosition;\n\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\n}\n"}},function(t,e,n){"use strict";n.d(e,"a",function(){return r});var r={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:function(){for(var t=[],e=0;e<256;e++)t[e]=(e<16?"0":"")+e.toString(16);return function(){var 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t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this},setXYZ:function(t,e,n,r){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=r,this},setXYZW:function(t,e,n,r,i){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=r,this.array[t+3]=i,this},onUpload:function(t){return this.onUploadCallback=t,this},clone:function(){return new 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r=n(6),i={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074};function a(t,e,n){return void 0===e&&void 0===n?this.set(t):this.setRGB(t,e,n)}function o(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}function s(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function c(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}Object.assign(a.prototype,{isColor:!0,r:1,g:1,b:1,set:function(t){return t&&t.isColor?this.copy(t):"number"==typeof t?this.setHex(t):"string"==typeof t&&this.setStyle(t),this},setScalar:function(t){return this.r=t,this.g=t,this.b=t,this},setHex:function(t){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,this},setRGB:function(t,e,n){return this.r=t,this.g=e,this.b=n,this},setHSL:function(t,e,n){if(t=r.a.euclideanModulo(t,1),e=r.a.clamp(e,0,1),n=r.a.clamp(n,0,1),0===e)this.r=this.g=this.b=n;else{var i=n<=.5?n*(1+e):n+e-n*e,a=2*n-i;this.r=o(a,i,t+1/3),this.g=o(a,i,t),this.b=o(a,i,t-1/3)}return this},setStyle:function(t){function 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this.copyLinearToGamma(this,t),this},copySRGBToLinear:function(t){return this.r=s(t.r),this.g=s(t.g),this.b=s(t.b),this},copyLinearToSRGB:function(t){return this.r=c(t.r),this.g=c(t.g),this.b=c(t.b),this},convertSRGBToLinear:function(){return this.copySRGBToLinear(this),this},convertLinearToSRGB:function(){return this.copyLinearToSRGB(this),this},getHex:function(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0},getHexString:function(){return("000000"+this.getHex().toString(16)).slice(-6)},getHSL:function(t){void 0===t&&(console.warn("THREE.Color: .getHSL() target is now required"),t={h:0,s:0,l:0});var e,n,r=this.r,i=this.g,a=this.b,o=Math.max(r,i,a),s=Math.min(r,i,a),c=(s+o)/2;if(s===o)e=0,n=0;else{var l=o-s;switch(n=c<=.5?l/(o+s):l/(2-o-s),o){case r:e=(i-a)/l+(i<a?6:0);break;case i:e=(a-r)/l+2;break;case a:e=(r-i)/l+4}e/=6}return t.h=e,t.s=n,t.l=c,t},getStyle:function(){return"rgb("+(255*this.r|0)+","+(255*this.g|0)+","+(255*this.b|0)+")"},offsetHSL:function(){var t={};return function(e,n,r){return this.getHSL(t),t.h+=e,t.s+=n,t.l+=r,this.setHSL(t.h,t.s,t.l),this}}(),add:function(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this},addColors:function(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this},addScalar:function(t){return this.r+=t,this.g+=t,this.b+=t,this},sub:function(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this},multiply:function(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this},multiplyScalar:function(t){return this.r*=t,this.g*=t,this.b*=t,this},lerp:function(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this},lerpHSL:function(){var t={h:0,s:0,l:0},e={h:0,s:0,l:0};return function(n,i){this.getHSL(t),n.getHSL(e);var a=r.a.lerp(t.h,e.h,i),o=r.a.lerp(t.s,e.s,i),s=r.a.lerp(t.l,e.l,i);return this.setHSL(a,o,s),this}}(),equals:function(t){return t.r===this.r&&t.g===this.g&&t.b===this.b},fromArray:function(t,e){return void 0===e&&(e=0),this.r=t[e],this.g=t[e+1],this.b=t[e+2],this},toArray:function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t},toJSON:function(){return this.getHex()}})},function(t,e,n){"use strict";n.r(e);var r=n(17),i=n(1),a=n(3),o=n(16),s=n(6);function c(t,e,n,r){this._x=t||0,this._y=e||0,this._z=n||0,this._order=r||c.DefaultOrder}function l(){this.mask=1}c.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"],c.DefaultOrder="XYZ",Object.defineProperties(c.prototype,{x:{get:function(){return this._x},set:function(t){this._x=t,this._onChangeCallback()}},y:{get:function(){return this._y},set:function(t){this._y=t,this._onChangeCallback()}},z:{get:function(){return this._z},set:function(t){this._z=t,this._onChangeCallback()}},order:{get:function(){return this._order},set:function(t){this._order=t,this._onChangeCallback()}}}),Object.assign(c.prototype,{isEuler:!0,set:function(t,e,n,r){return this._x=t,this._y=e,this._z=n,this._order=r||this._order,this._onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._order)},copy:function(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this},setFromRotationMatrix:function(t,e,n){var r=s.a.clamp,i=t.elements,a=i[0],o=i[4],c=i[8],l=i[1],u=i[5],d=i[9],h=i[2],f=i[6],p=i[10];return"XYZ"===(e=e||this._order)?(this._y=Math.asin(r(c,-1,1)),Math.abs(c)<.99999?(this._x=Math.atan2(-d,p),this._z=Math.atan2(-o,a)):(this._x=Math.atan2(f,u),this._z=0)):"YXZ"===e?(this._x=Math.asin(-r(d,-1,1)),Math.abs(d)<.99999?(this._y=Math.atan2(c,p),this._z=Math.atan2(l,u)):(this._y=Math.atan2(-h,a),this._z=0)):"ZXY"===e?(this._x=Math.asin(r(f,-1,1)),Math.abs(f)<.99999?(this._y=Math.atan2(-h,p),this._z=Math.atan2(-o,u)):(this._y=0,this._z=Math.atan2(l,a))):"ZYX"===e?(this._y=Math.asin(-r(h,-1,1)),Math.abs(h)<.99999?(this._x=Math.atan2(f,p),this._z=Math.atan2(l,a)):(this._x=0,this._z=Math.atan2(-o,u))):"YZX"===e?(this._z=Math.asin(r(l,-1,1)),Math.abs(l)<.99999?(this._x=Math.atan2(-d,u),this._y=Math.atan2(-h,a)):(this._x=0,this._y=Math.atan2(c,p))):"XZY"===e?(this._z=Math.asin(-r(o,-1,1)),Math.abs(o)<.99999?(this._x=Math.atan2(f,u),this._y=Math.atan2(c,a)):(this._x=Math.atan2(-d,p),this._y=0)):console.warn("THREE.Euler: .setFromRotationMatrix() given unsupported order: "+e),this._order=e,!1!==n&&this._onChangeCallback(),this},setFromQuaternion:function(){var t=new a.a;return function(e,n,r){return t.makeRotationFromQuaternion(e),this.setFromRotationMatrix(t,n,r)}}(),setFromVector3:function(t,e){return this.set(t.x,t.y,t.z,e||this._order)},reorder:function(){var t=new r.a;return function(e){return t.setFromEuler(this),this.setFromQuaternion(t,e)}}(),equals:function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order},fromArray:function(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this},toArray:function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t},toVector3:function(t){return t?t.set(this._x,this._y,this._z):new i.Vector3(this._x,this._y,this._z)},_onChange:function(t){return this._onChangeCallback=t,this},_onChangeCallback:function(){}}),Object.assign(l.prototype,{set:function(t){this.mask=1<<t|0},enable:function(t){this.mask|=1<<t|0},toggle:function(t){this.mask^=1<<t|0},disable:function(t){this.mask&=~(1<<t|0)},test:function(t){return 0!=(this.mask&t.mask)}});var u=n(13),d=n(0);n.d(e,"Object3D",function(){return f});var h=0;function f(){Object.defineProperty(this,"id",{value:h++}),this.uuid=s.a.generateUUID(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=f.DefaultUp.clone();var t=new i.Vector3,e=new c,n=new r.a,o=new i.Vector3(1,1,1);e._onChange(function(){n.setFromEuler(e,!1)}),n._onChange(function(){e.setFromQuaternion(n,void 0,!1)}),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:o},modelViewMatrix:{value:new a.a},normalMatrix:{value:new u.a}}),this.matrix=new a.a,this.matrixWorld=new a.a,this.matrixAutoUpdate=f.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new l,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.userData={}}f.DefaultUp=new i.Vector3(0,1,0),f.DefaultMatrixAutoUpdate=!0,f.prototype=Object.assign(Object.create(o.a.prototype),{constructor:f,isObject3D:!0,onBeforeRender:function(){},onAfterRender:function(){},applyMatrix:function(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)},applyQuaternion:function(t){return this.quaternion.premultiply(t),this},setRotationFromAxisAngle:function(t,e){this.quaternion.setFromAxisAngle(t,e)},setRotationFromEuler:function(t){this.quaternion.setFromEuler(t,!0)},setRotationFromMatrix:function(t){this.quaternion.setFromRotationMatrix(t)},setRotationFromQuaternion:function(t){this.quaternion.copy(t)},rotateOnAxis:function(){var t=new r.a;return function(e,n){return t.setFromAxisAngle(e,n),this.quaternion.multiply(t),this}}(),rotateOnWorldAxis:function(){var t=new r.a;return function(e,n){return t.setFromAxisAngle(e,n),this.quaternion.premultiply(t),this}}(),rotateX:function(){var t=new i.Vector3(1,0,0);return function(e){return this.rotateOnAxis(t,e)}}(),rotateY:function(){var t=new i.Vector3(0,1,0);return function(e){return this.rotateOnAxis(t,e)}}(),rotateZ:function(){var t=new i.Vector3(0,0,1);return function(e){return this.rotateOnAxis(t,e)}}(),translateOnAxis:function(){var t=new i.Vector3;return function(e,n){return t.copy(e).applyQuaternion(this.quaternion),this.position.add(t.multiplyScalar(n)),this}}(),translateX:function(){var t=new i.Vector3(1,0,0);return function(e){return this.translateOnAxis(t,e)}}(),translateY:function(){var t=new i.Vector3(0,1,0);return function(e){return this.translateOnAxis(t,e)}}(),translateZ:function(){var t=new i.Vector3(0,0,1);return function(e){return this.translateOnAxis(t,e)}}(),localToWorld:function(t){return t.applyMatrix4(this.matrixWorld)},worldToLocal:function(){var t=new a.a;return function(e){return e.applyMatrix4(t.getInverse(this.matrixWorld))}}(),lookAt:function(){var t=new r.a,e=new a.a,n=new i.Vector3,o=new i.Vector3;return function(r,i,a){r.isVector3?n.copy(r):n.set(r,i,a);var s=this.parent;this.updateWorldMatrix(!0,!1),o.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?e.lookAt(o,n,this.up):e.lookAt(n,o,this.up),this.quaternion.setFromRotationMatrix(e),s&&(e.extractRotation(s.matrixWorld),t.setFromRotationMatrix(e),this.quaternion.premultiply(t.inverse()))}}(),add:function(t){if(arguments.length>1){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(null!==t.parent&&t.parent.remove(t),t.parent=this,this.children.push(t),t.dispatchEvent({type:"added"})):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)},remove:function(t){if(arguments.length>1){for(var e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}var n=this.children.indexOf(t);return-1!==n&&(t.parent=null,this.children.splice(n,1),t.dispatchEvent({type:"removed"})),this},attach:function(){var t=new a.a;return function(e){return this.updateWorldMatrix(!0,!1),t.getInverse(this.matrixWorld),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),t.multiply(e.parent.matrixWorld)),e.applyMatrix(t),e.updateWorldMatrix(!1,!1),this.add(e),this}}(),getObjectById:function(t){return this.getObjectByProperty("id",t)},getObjectByName:function(t){return this.getObjectByProperty("name",t)},getObjectByProperty:function(t,e){if(this[t]===e)return this;for(var n=0,r=this.children.length;n<r;n++){var i=this.children[n].getObjectByProperty(t,e);if(void 0!==i)return i}},getWorldPosition:function(t){return void 0===t&&(console.warn("THREE.Object3D: .getWorldPosition() target is now required"),t=new i.Vector3),this.updateMatrixWorld(!0),t.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(){var t=new i.Vector3,e=new i.Vector3;return function(n){return void 0===n&&(console.warn("THREE.Object3D: .getWorldQuaternion() target is now required"),n=new 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e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,t=!0);for(var e=this.children,n=0,r=e.length;n<r;n++)e[n].updateMatrixWorld(t)},updateWorldMatrix:function(t,e){var n=this.parent;if(!0===t&&null!==n&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===e)for(var r=this.children,i=0,a=r.length;i<a;i++)r[i].updateWorldMatrix(!1,!0)},toJSON:function(t){var e=void 0===t||"string"==typeof t,n={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});var r={};function i(e,n){return void 0===e[n.uuid]&&(e[n.uuid]=n.toJSON(t)),n.uuid}if(r.uuid=this.uuid,r.type=this.type,""!==this.name&&(r.name=this.name),!0===this.castShadow&&(r.castShadow=!0),!0===this.receiveShadow&&(r.receiveShadow=!0),!1===this.visible&&(r.visible=!1),!1===this.frustumCulled&&(r.frustumCulled=!1),0!==this.renderOrder&&(r.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(r.userData=this.userData),r.layers=this.layers.mask,r.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(r.matrixAutoUpdate=!1),this.isMesh&&this.drawMode!==d.TrianglesDrawMode&&(r.drawMode=this.drawMode),this.isMesh||this.isLine||this.isPoints){r.geometry=i(t.geometries,this.geometry);var a=this.geometry.parameters;if(void 0!==a&&void 0!==a.shapes){var o=a.shapes;if(Array.isArray(o))for(var s=0,c=o.length;s<c;s++){var l=o[s];i(t.shapes,l)}else i(t.shapes,o)}}if(void 0!==this.material)if(Array.isArray(this.material)){var u=[];for(s=0,c=this.material.length;s<c;s++)u.push(i(t.materials,this.material[s]));r.material=u}else r.material=i(t.materials,this.material);if(this.children.length>0){r.children=[];for(s=0;s<this.children.length;s++)r.children.push(this.children[s].toJSON(t).object)}if(e){var h=g(t.geometries),f=g(t.materials),p=g(t.textures),m=g(t.images);o=g(t.shapes);h.length>0&&(n.geometries=h),f.length>0&&(n.materials=f),p.length>0&&(n.textures=p),m.length>0&&(n.images=m),o.length>0&&(n.shapes=o)}return n.object=r,n;function g(t){var e=[];for(var n in t){var r=t[n];delete r.metadata,e.push(r)}return e}},clone:function(t){return(new this.constructor).copy(this,t)},copy:function(t,e){if(void 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Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this)},addScalar:function(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this},addVectors:function(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this},addScaledVector:function(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this},sub:function(t,e){return void 0!==e?(console.warn("THREE.Vector4: .sub() now only accepts one argument. 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e,n,r,i,a=t.elements,o=a[0],s=a[4],c=a[8],l=a[1],u=a[5],d=a[9],h=a[2],f=a[6],p=a[10];if(Math.abs(s-l)<.01&&Math.abs(c-h)<.01&&Math.abs(d-f)<.01){if(Math.abs(s+l)<.1&&Math.abs(c+h)<.1&&Math.abs(d+f)<.1&&Math.abs(o+u+p-3)<.1)return this.set(1,0,0,0),this;e=Math.PI;var m=(o+1)/2,g=(u+1)/2,v=(p+1)/2,_=(s+l)/4,x=(c+h)/4,y=(d+f)/4;return m>g&&m>v?m<.01?(n=0,r=.707106781,i=.707106781):(r=_/(n=Math.sqrt(m)),i=x/n):g>v?g<.01?(n=.707106781,r=0,i=.707106781):(n=_/(r=Math.sqrt(g)),i=y/r):v<.01?(n=.707106781,r=.707106781,i=0):(n=x/(i=Math.sqrt(v)),r=y/i),this.set(n,r,i,e),this}var b=Math.sqrt((f-d)*(f-d)+(c-h)*(c-h)+(l-s)*(l-s));return Math.abs(b)<.001&&(b=1),this.x=(f-d)/b,this.y=(c-h)/b,this.z=(l-s)/b,this.w=Math.acos((o+u+p-1)/2),this},min:function(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this},max:function(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this},clamp:function(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this},clampScalar:function(){var t,e;return function(n,i){return void 0===t&&(t=new r,e=new r),t.set(n,n,n,n),e.set(i,i,i,i),this.clamp(t,e)}}(),clampLength:function(t,e){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))},floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this},ceil:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this},round:function(){return 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this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this},lerpVectors:function(t,e,n){return this.subVectors(e,t).multiplyScalar(n).add(t)},equals:function(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w},fromArray:function(t,e){return void 0===e&&(e=0),this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this},toArray:function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t},fromBufferAttribute:function(t,e,n){return void 0!==n&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}})},function(t,e,n){"use strict";function r(t){var e={};for(var n in t)for(var r in e[n]={},t[n]){var i=t[n][r];i&&(i.isColor||i.isMatrix3||i.isMatrix4||i.isVector2||i.isVector3||i.isVector4||i.isTexture)?e[n][r]=i.clone():Array.isArray(i)?e[n][r]=i.slice():e[n][r]=i}return e}function i(t){for(var e={},n=0;n<t.length;n++){var i=r(t[n]);for(var a in i)e[a]=i[a]}return e}n.r(e),n.d(e,"cloneUniforms",function(){return r}),n.d(e,"mergeUniforms",function(){return i}),n.d(e,"UniformsUtils",function(){return a});var a={clone:r,merge:i}},function(t,e,n){"use strict";n.d(e,"a",function(){return s});var r=n(16),i=n(0),a=n(6),o=0;function 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0!==t)for(var e in t){var n=t[e];if(void 0!==n)if("shading"!==e){var r=this[e];void 0!==r?r&&r.isColor?r.set(n):r&&r.isVector3&&n&&n.isVector3?r.copy(n):this[e]=n:console.warn("THREE."+this.type+": '"+e+"' is not a property of this material.")}else console.warn("THREE."+this.type+": .shading has been removed. 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0!==this.clearCoatRoughness&&(n.clearCoatRoughness=this.clearCoatRoughness),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,n.reflectivity=this.reflectivity,n.refractionRatio=this.refractionRatio,void 0!==this.combine&&(n.combine=this.combine),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity)),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.size&&(n.size=this.size),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==i.NormalBlending&&(n.blending=this.blending),!0===this.flatShading&&(n.flatShading=this.flatShading),this.side!==i.FrontSide&&(n.side=this.side),this.vertexColors!==i.NoColors&&(n.vertexColors=this.vertexColors),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.morphTargets&&(n.morphTargets=!0),!0===this.morphNormals&&(n.morphNormals=!0),!0===this.skinning&&(n.skinning=!0),!1===this.visible&&(n.visible=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),e){var a=r(t.textures),o=r(t.images);a.length>0&&(n.textures=a),o.length>0&&(n.images=o)}return n},clone:function(){return(new this.constructor).copy(this)},copy:function(t){this.name=t.name,this.fog=t.fog,this.lights=t.lights,this.blending=t.blending,this.side=t.side,this.flatShading=t.flatShading,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.premultipliedAlpha=t.premultipliedAlpha,this.visible=t.visible,this.userData=JSON.parse(JSON.stringify(t.userData)),this.clipShadows=t.clipShadows,this.clipIntersection=t.clipIntersection;var e=t.clippingPlanes,n=null;if(null!==e){var r=e.length;n=new Array(r);for(var i=0;i!==r;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.shadowSide=t.shadowSide,this},dispose:function(){this.dispatchEvent({type:"dispose"})}})},function(t,e,n){"use strict";n.d(e,"a",function(){return i});var r=n(1);function i(){this.elements=[1,0,0,0,1,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")}Object.assign(i.prototype,{isMatrix3:!0,set:function(t,e,n,r,i,a,o,s,c){var l=this.elements;return l[0]=t,l[1]=r,l[2]=o,l[3]=e,l[4]=i,l[5]=s,l[6]=n,l[7]=a,l[8]=c,this},identity:function(){return this.set(1,0,0,0,1,0,0,0,1),this},clone:function(){return(new this.constructor).fromArray(this.elements)},copy:function(t){var e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this},setFromMatrix4:function(t){var e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this},applyToBufferAttribute:function(){var t=new r.Vector3;return function(e){for(var n=0,r=e.count;n<r;n++)t.x=e.getX(n),t.y=e.getY(n),t.z=e.getZ(n),t.applyMatrix3(this),e.setXYZ(n,t.x,t.y,t.z);return e}}(),multiply:function(t){return this.multiplyMatrices(this,t)},premultiply:function(t){return this.multiplyMatrices(t,this)},multiplyMatrices:function(t,e){var n=t.elements,r=e.elements,i=this.elements,a=n[0],o=n[3],s=n[6],c=n[1],l=n[4],u=n[7],d=n[2],h=n[5],f=n[8],p=r[0],m=r[3],g=r[6],v=r[1],_=r[4],x=r[7],y=r[2],b=r[5],E=r[8];return i[0]=a*p+o*v+s*y,i[3]=a*m+o*_+s*b,i[6]=a*g+o*x+s*E,i[1]=c*p+l*v+u*y,i[4]=c*m+l*_+u*b,i[7]=c*g+l*x+u*E,i[2]=d*p+h*v+f*y,i[5]=d*m+h*_+f*b,i[8]=d*g+h*x+f*E,this},multiplyScalar:function(t){var e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this},determinant:function(){var t=this.elements,e=t[0],n=t[1],r=t[2],i=t[3],a=t[4],o=t[5],s=t[6],c=t[7],l=t[8];return e*a*l-e*o*c-n*i*l+n*o*s+r*i*c-r*a*s},getInverse:function(t,e){t&&t.isMatrix4&&console.error("THREE.Matrix3: .getInverse() no longer takes a Matrix4 argument.");var n=t.elements,r=this.elements,i=n[0],a=n[1],o=n[2],s=n[3],c=n[4],l=n[5],u=n[6],d=n[7],h=n[8],f=h*c-l*d,p=l*u-h*s,m=d*s-c*u,g=i*f+a*p+o*m;if(0===g){var v="THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0";if(!0===e)throw new Error(v);return console.warn(v),this.identity()}var _=1/g;return r[0]=f*_,r[1]=(o*d-h*a)*_,r[2]=(l*a-o*c)*_,r[3]=p*_,r[4]=(h*i-o*u)*_,r[5]=(o*s-l*i)*_,r[6]=m*_,r[7]=(a*u-d*i)*_,r[8]=(c*i-a*s)*_,this},transpose:function(){var t,e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this},getNormalMatrix:function(t){return this.setFromMatrix4(t).getInverse(this).transpose()},transposeIntoArray:function(t){var e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this},setUvTransform:function(t,e,n,r,i,a,o){var s=Math.cos(i),c=Math.sin(i);this.set(n*s,n*c,-n*(s*a+c*o)+a+t,-r*c,r*s,-r*(-c*a+s*o)+o+e,0,0,1)},scale:function(t,e){var n=this.elements;return n[0]*=t,n[3]*=t,n[6]*=t,n[1]*=e,n[4]*=e,n[7]*=e,this},rotate:function(t){var e=Math.cos(t),n=Math.sin(t),r=this.elements,i=r[0],a=r[3],o=r[6],s=r[1],c=r[4],l=r[7];return r[0]=e*i+n*s,r[3]=e*a+n*c,r[6]=e*o+n*l,r[1]=-n*i+e*s,r[4]=-n*a+e*c,r[7]=-n*o+e*l,this},translate:function(t,e){var n=this.elements;return n[0]+=t*n[2],n[3]+=t*n[5],n[6]+=t*n[8],n[1]+=e*n[2],n[4]+=e*n[5],n[7]+=e*n[8],this},equals:function(t){for(var e=this.elements,n=t.elements,r=0;r<9;r++)if(e[r]!==n[r])return!1;return!0},fromArray:function(t,e){void 0===e&&(e=0);for(var n=0;n<9;n++)this.elements[n]=t[n+e];return this},toArray:function(t,e){void 0===t&&(t=[]),void 0===e&&(e=0);var n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}})},function(t,e,n){"use strict";n.r(e);var r,i=n(16),a=n(0),o=n(6),s=n(4),c=n(13),l=function(t){var e;if("undefined"==typeof HTMLCanvasElement)return t.src;if(t instanceof HTMLCanvasElement)e=t;else{void 0===r&&(r=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")),r.width=t.width,r.height=t.height;var n=r.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=r}return e.width>2048||e.height>2048?e.toDataURL("image/jpeg",.6):e.toDataURL("image/png")};n.d(e,"Texture",function(){return d});var u=0;function d(t,e,n,r,i,l,h,f,p,m){Object.defineProperty(this,"id",{value:u++}),this.uuid=o.a.generateUUID(),this.name="",this.image=void 0!==t?t:d.DEFAULT_IMAGE,this.mipmaps=[],this.mapping=void 0!==e?e:d.DEFAULT_MAPPING,this.wrapS=void 0!==n?n:a.ClampToEdgeWrapping,this.wrapT=void 0!==r?r:a.ClampToEdgeWrapping,this.magFilter=void 0!==i?i:a.LinearFilter,this.minFilter=void 0!==l?l:a.LinearMipMapLinearFilter,this.anisotropy=void 0!==p?p:1,this.format=void 0!==h?h:a.RGBAFormat,this.type=void 0!==f?f:a.UnsignedByteType,this.offset=new s.Vector2(0,0),this.repeat=new s.Vector2(1,1),this.center=new s.Vector2(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new c.a,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=void 0!==m?m:a.LinearEncoding,this.version=0,this.onUpdate=null}d.DEFAULT_IMAGE=void 0,d.DEFAULT_MAPPING=a.UVMapping,d.prototype=Object.assign(Object.create(i.a.prototype),{constructor:d,isTexture:!0,updateMatrix:function(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.name=t.name,this.image=t.image,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.encoding=t.encoding,this},toJSON:function(t){var e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];var n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){var r=this.image;if(void 0===r.uuid&&(r.uuid=o.a.generateUUID()),!e&&void 0===t.images[r.uuid]){var i;if(Array.isArray(r)){i=[];for(var a=0,s=r.length;a<s;a++)i.push(l(r[a]))}else i=l(r);t.images[r.uuid]={uuid:r.uuid,url:i}}n.image=r.uuid}return e||(t.textures[this.uuid]=n),n},dispose:function(){this.dispatchEvent({type:"dispose"})},transformUv:function(t){if(this.mapping!==a.UVMapping)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case a.RepeatWrapping:t.x=t.x-Math.floor(t.x);break;case a.ClampToEdgeWrapping:t.x=t.x<0?0:1;break;case a.MirroredRepeatWrapping:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case a.RepeatWrapping:t.y=t.y-Math.floor(t.y);break;case a.ClampToEdgeWrapping:t.y=t.y<0?0:1;break;case a.MirroredRepeatWrapping:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}}),Object.defineProperty(d.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}})},function(t,e,n){"use strict";var r=n(1),i=n(19),a=n(16),o=n(7),s=n(18),c=n(4);function l(){this.vertices=[],this.normals=[],this.colors=[],this.uvs=[],this.uvs2=[],this.groups=[],this.morphTargets={},this.skinWeights=[],this.skinIndices=[],this.boundingBox=null,this.boundingSphere=null,this.verticesNeedUpdate=!1,this.normalsNeedUpdate=!1,this.colorsNeedUpdate=!1,this.uvsNeedUpdate=!1,this.groupsNeedUpdate=!1}Object.assign(l.prototype,{computeGroups:function(t){for(var e,n=[],r=void 0,i=t.faces,a=0;a<i.length;a++){var o=i[a];o.materialIndex!==r&&(r=o.materialIndex,void 0!==e&&(e.count=3*a-e.start,n.push(e)),e={start:3*a,materialIndex:r})}void 0!==e&&(e.count=3*a-e.start,n.push(e)),this.groups=n},fromGeometry:function(t){var e,n=t.faces,r=t.vertices,i=t.faceVertexUvs,a=i[0]&&i[0].length>0,o=i[1]&&i[1].length>0,s=t.morphTargets,l=s.length;if(l>0){e=[];for(var u=0;u<l;u++)e[u]={name:s[u].name,data:[]};this.morphTargets.position=e}var d,h=t.morphNormals,f=h.length;if(f>0){d=[];for(u=0;u<f;u++)d[u]={name:h[u].name,data:[]};this.morphTargets.normal=d}var p=t.skinIndices,m=t.skinWeights,g=p.length===r.length,v=m.length===r.length;r.length>0&&0===n.length&&console.error("THREE.DirectGeometry: Faceless geometries are not supported.");for(u=0;u<n.length;u++){var _=n[u];this.vertices.push(r[_.a],r[_.b],r[_.c]);var x=_.vertexNormals;if(3===x.length)this.normals.push(x[0],x[1],x[2]);else{var y=_.normal;this.normals.push(y,y,y)}var b,E=_.vertexColors;if(3===E.length)this.colors.push(E[0],E[1],E[2]);else{var M=_.color;this.colors.push(M,M,M)}if(!0===a)void 0!==(b=i[0][u])?this.uvs.push(b[0],b[1],b[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ",u),this.uvs.push(new c.Vector2,new c.Vector2,new c.Vector2));if(!0===o)void 0!==(b=i[1][u])?this.uvs2.push(b[0],b[1],b[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ",u),this.uvs2.push(new c.Vector2,new c.Vector2,new c.Vector2));for(var w=0;w<l;w++){var T=s[w].vertices;e[w].data.push(T[_.a],T[_.b],T[_.c])}for(w=0;w<f;w++){var S=h[w].vertexNormals[u];d[w].data.push(S.a,S.b,S.c)}g&&this.skinIndices.push(p[_.a],p[_.b],p[_.c]),v&&this.skinWeights.push(m[_.a],m[_.b],m[_.c])}return this.computeGroups(t),this.verticesNeedUpdate=t.verticesNeedUpdate,this.normalsNeedUpdate=t.normalsNeedUpdate,this.colorsNeedUpdate=t.colorsNeedUpdate,this.uvsNeedUpdate=t.uvsNeedUpdate,this.groupsNeedUpdate=t.groupsNeedUpdate,null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),this}});var u=n(9),d=n(3),h=n(13),f=n(6),p=n(26);n.d(e,"a",function(){return g});var m=1;function g(){Object.defineProperty(this,"id",{value:m+=2}),this.uuid=f.a.generateUUID(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}g.prototype=Object.assign(Object.create(a.a.prototype),{constructor:g,isBufferGeometry:!0,getIndex:function(){return this.index},setIndex:function(t){Array.isArray(t)?this.index=new(Object(p.a)(t)>65535?o.Uint32BufferAttribute:o.Uint16BufferAttribute)(t,1):this.index=t},addAttribute:function(t,e){return e&&e.isBufferAttribute||e&&e.isInterleavedBufferAttribute?"index"===t?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),this.setIndex(e),this):(this.attributes[t]=e,this):(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),this.addAttribute(t,new o.BufferAttribute(arguments[1],arguments[2])))},getAttribute:function(t){return this.attributes[t]},removeAttribute:function(t){return delete this.attributes[t],this},addGroup:function(t,e,n){this.groups.push({start:t,count:e,materialIndex:void 0!==n?n:0})},clearGroups:function(){this.groups=[]},setDrawRange:function(t,e){this.drawRange.start=t,this.drawRange.count=e},applyMatrix:function(t){var e=this.attributes.position;void 0!==e&&(t.applyToBufferAttribute(e),e.needsUpdate=!0);var n=this.attributes.normal;void 0!==n&&((new h.a).getNormalMatrix(t).applyToBufferAttribute(n),n.needsUpdate=!0);var r=this.attributes.tangent;void 0!==r&&((new h.a).getNormalMatrix(t).applyToBufferAttribute(r),r.needsUpdate=!0);return null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(){var t=new d.a;return function(e){return t.makeRotationX(e),this.applyMatrix(t),this}}(),rotateY:function(){var t=new d.a;return function(e){return t.makeRotationY(e),this.applyMatrix(t),this}}(),rotateZ:function(){var t=new d.a;return function(e){return t.makeRotationZ(e),this.applyMatrix(t),this}}(),translate:function(){var t=new d.a;return function(e,n,r){return t.makeTranslation(e,n,r),this.applyMatrix(t),this}}(),scale:function(){var t=new d.a;return function(e,n,r){return t.makeScale(e,n,r),this.applyMatrix(t),this}}(),lookAt:function(){var t=new u.Object3D;return function(e){t.lookAt(e),t.updateMatrix(),this.applyMatrix(t.matrix)}}(),center:function(){var t=new r.Vector3;return function(){return this.computeBoundingBox(),this.boundingBox.getCenter(t).negate(),this.translate(t.x,t.y,t.z),this}}(),setFromObject:function(t){var e=t.geometry;if(t.isPoints||t.isLine){var n=new o.Float32BufferAttribute(3*e.vertices.length,3),r=new o.Float32BufferAttribute(3*e.colors.length,3);if(this.addAttribute("position",n.copyVector3sArray(e.vertices)),this.addAttribute("color",r.copyColorsArray(e.colors)),e.lineDistances&&e.lineDistances.length===e.vertices.length){var i=new o.Float32BufferAttribute(e.lineDistances.length,1);this.addAttribute("lineDistance",i.copyArray(e.lineDistances))}null!==e.boundingSphere&&(this.boundingSphere=e.boundingSphere.clone()),null!==e.boundingBox&&(this.boundingBox=e.boundingBox.clone())}else t.isMesh&&e&&e.isGeometry&&this.fromGeometry(e);return this},setFromPoints:function(t){for(var e=[],n=0,r=t.length;n<r;n++){var i=t[n];e.push(i.x,i.y,i.z||0)}return this.addAttribute("position",new o.Float32BufferAttribute(e,3)),this},updateFromObject:function(t){var e,n=t.geometry;if(t.isMesh){var r=n.__directGeometry;if(!0===n.elementsNeedUpdate&&(r=void 0,n.elementsNeedUpdate=!1),void 0===r)return this.fromGeometry(n);r.verticesNeedUpdate=n.verticesNeedUpdate,r.normalsNeedUpdate=n.normalsNeedUpdate,r.colorsNeedUpdate=n.colorsNeedUpdate,r.uvsNeedUpdate=n.uvsNeedUpdate,r.groupsNeedUpdate=n.groupsNeedUpdate,n.verticesNeedUpdate=!1,n.normalsNeedUpdate=!1,n.colorsNeedUpdate=!1,n.uvsNeedUpdate=!1,n.groupsNeedUpdate=!1,n=r}return!0===n.verticesNeedUpdate&&(void 0!==(e=this.attributes.position)&&(e.copyVector3sArray(n.vertices),e.needsUpdate=!0),n.verticesNeedUpdate=!1),!0===n.normalsNeedUpdate&&(void 0!==(e=this.attributes.normal)&&(e.copyVector3sArray(n.normals),e.needsUpdate=!0),n.normalsNeedUpdate=!1),!0===n.colorsNeedUpdate&&(void 0!==(e=this.attributes.color)&&(e.copyColorsArray(n.colors),e.needsUpdate=!0),n.colorsNeedUpdate=!1),n.uvsNeedUpdate&&(void 0!==(e=this.attributes.uv)&&(e.copyVector2sArray(n.uvs),e.needsUpdate=!0),n.uvsNeedUpdate=!1),n.lineDistancesNeedUpdate&&(void 0!==(e=this.attributes.lineDistance)&&(e.copyArray(n.lineDistances),e.needsUpdate=!0),n.lineDistancesNeedUpdate=!1),n.groupsNeedUpdate&&(n.computeGroups(t.geometry),this.groups=n.groups,n.groupsNeedUpdate=!1),this},fromGeometry:function(t){return t.__directGeometry=(new l).fromGeometry(t),this.fromDirectGeometry(t.__directGeometry)},fromDirectGeometry:function(t){var e=new Float32Array(3*t.vertices.length);if(this.addAttribute("position",new o.BufferAttribute(e,3).copyVector3sArray(t.vertices)),t.normals.length>0){var n=new Float32Array(3*t.normals.length);this.addAttribute("normal",new o.BufferAttribute(n,3).copyVector3sArray(t.normals))}if(t.colors.length>0){var r=new Float32Array(3*t.colors.length);this.addAttribute("color",new o.BufferAttribute(r,3).copyColorsArray(t.colors))}if(t.uvs.length>0){var i=new Float32Array(2*t.uvs.length);this.addAttribute("uv",new o.BufferAttribute(i,2).copyVector2sArray(t.uvs))}if(t.uvs2.length>0){var a=new Float32Array(2*t.uvs2.length);this.addAttribute("uv2",new o.BufferAttribute(a,2).copyVector2sArray(t.uvs2))}for(var s in this.groups=t.groups,t.morphTargets){for(var c=[],l=t.morphTargets[s],u=0,d=l.length;u<d;u++){var h=l[u],f=new o.Float32BufferAttribute(3*h.data.length,3);f.name=h.name,c.push(f.copyVector3sArray(h.data))}this.morphAttributes[s]=c}if(t.skinIndices.length>0){var p=new o.Float32BufferAttribute(4*t.skinIndices.length,4);this.addAttribute("skinIndex",p.copyVector4sArray(t.skinIndices))}if(t.skinWeights.length>0){var m=new o.Float32BufferAttribute(4*t.skinWeights.length,4);this.addAttribute("skinWeight",m.copyVector4sArray(t.skinWeights))}return null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),this},computeBoundingBox:function(){var t=new i.Box3;return function(){null===this.boundingBox&&(this.boundingBox=new i.Box3);var e=this.attributes.position,n=this.morphAttributes.position;if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),n)for(var r=0,a=n.length;r<a;r++){var o=n[r];t.setFromBufferAttribute(o),this.boundingBox.expandByPoint(t.min),this.boundingBox.expandByPoint(t.max)}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}}(),computeBoundingSphere:function(){var t=new i.Box3,e=new i.Box3,n=new r.Vector3;return function(){null===this.boundingSphere&&(this.boundingSphere=new s.Sphere);var r=this.attributes.position,i=this.morphAttributes.position;if(r){var a=this.boundingSphere.center;if(t.setFromBufferAttribute(r),i)for(var o=0,c=i.length;o<c;o++){var l=i[o];e.setFromBufferAttribute(l),t.expandByPoint(e.min),t.expandByPoint(e.max)}t.getCenter(a);var u=0;for(o=0,c=r.count;o<c;o++)n.fromBufferAttribute(r,o),u=Math.max(u,a.distanceToSquared(n));if(i)for(o=0,c=i.length;o<c;o++)for(var d=0,h=(l=i[o]).count;d<h;d++)n.fromBufferAttribute(l,d),u=Math.max(u,a.distanceToSquared(n));this.boundingSphere.radius=Math.sqrt(u),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}}(),computeFaceNormals:function(){},computeVertexNormals:function(){var t=this.index,e=this.attributes;if(e.position){var n=e.position.array;if(void 0===e.normal)this.addAttribute("normal",new o.BufferAttribute(new Float32Array(n.length),3));else for(var i=e.normal.array,a=0,s=i.length;a<s;a++)i[a]=0;var c,l,u,d=e.normal.array,h=new r.Vector3,f=new r.Vector3,p=new r.Vector3,m=new r.Vector3,g=new r.Vector3;if(t){var v=t.array;for(a=0,s=t.count;a<s;a+=3)c=3*v[a+0],l=3*v[a+1],u=3*v[a+2],h.fromArray(n,c),f.fromArray(n,l),p.fromArray(n,u),m.subVectors(p,f),g.subVectors(h,f),m.cross(g),d[c]+=m.x,d[c+1]+=m.y,d[c+2]+=m.z,d[l]+=m.x,d[l+1]+=m.y,d[l+2]+=m.z,d[u]+=m.x,d[u+1]+=m.y,d[u+2]+=m.z}else for(a=0,s=n.length;a<s;a+=9)h.fromArray(n,a),f.fromArray(n,a+3),p.fromArray(n,a+6),m.subVectors(p,f),g.subVectors(h,f),m.cross(g),d[a]=m.x,d[a+1]=m.y,d[a+2]=m.z,d[a+3]=m.x,d[a+4]=m.y,d[a+5]=m.z,d[a+6]=m.x,d[a+7]=m.y,d[a+8]=m.z;this.normalizeNormals(),e.normal.needsUpdate=!0}},merge:function(t,e){if(t&&t.isBufferGeometry){void 0===e&&(e=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));var n=this.attributes;for(var r in n)if(void 0!==t.attributes[r])for(var i=n[r].array,a=t.attributes[r],o=a.array,s=a.itemSize*e,c=Math.min(o.length,i.length-s),l=0,u=s;l<c;l++,u++)i[u]=o[l];return this}console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",t)},normalizeNormals:function(){var t=new r.Vector3;return function(){for(var e=this.attributes.normal,n=0,r=e.count;n<r;n++)t.x=e.getX(n),t.y=e.getY(n),t.z=e.getZ(n),t.normalize(),e.setXYZ(n,t.x,t.y,t.z)}}(),toNonIndexed:function(){function t(t,e){for(var n=t.array,r=t.itemSize,i=new n.constructor(e.length*r),a=0,s=0,c=0,l=e.length;c<l;c++){a=e[c]*r;for(var u=0;u<r;u++)i[s++]=n[a++]}return new o.BufferAttribute(i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed."),this;var e=new g,n=this.index.array,r=this.attributes;for(var i in r){var a=t(r[i],n);e.addAttribute(i,a)}var s=this.morphAttributes;for(i in s){for(var c=[],l=s[i],u=0,d=l.length;u<d;u++){a=t(l[u],n);c.push(a)}e.morphAttributes[i]=c}for(var h=this.groups,f=(u=0,h.length);u<f;u++){var p=h[u];e.addGroup(p.start,p.count,p.materialIndex)}return e},toJSON:function(){var t={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){var e=this.parameters;for(var n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};var r=this.index;null!==r&&(t.data.index={type:r.array.constructor.name,array:Array.prototype.slice.call(r.array)});var i=this.attributes;for(var n in i){var a=(h=i[n]).toJSON();""!==h.name&&(a.name=h.name),t.data.attributes[n]=a}var o={},s=!1;for(var n in this.morphAttributes){for(var c=this.morphAttributes[n],l=[],u=0,d=c.length;u<d;u++){var h;a=(h=c[u]).toJSON();""!==h.name&&(a.name=h.name),l.push(a)}l.length>0&&(o[n]=l,s=!0)}s&&(t.data.morphAttributes=o);var f=this.groups;f.length>0&&(t.data.groups=JSON.parse(JSON.stringify(f)));var p=this.boundingSphere;return null!==p&&(t.data.boundingSphere={center:p.center.toArray(),radius:p.radius}),t},clone:function(){return(new g).copy(this)},copy:function(t){var e,n,r;this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.name=t.name;var i=t.index;null!==i&&this.setIndex(i.clone());var a=t.attributes;for(e in a){var o=a[e];this.addAttribute(e,o.clone())}var s=t.morphAttributes;for(e in s){var c=[],l=s[e];for(n=0,r=l.length;n<r;n++)c.push(l[n].clone());this.morphAttributes[e]=c}var u=t.groups;for(n=0,r=u.length;n<r;n++){var d=u[n];this.addGroup(d.start,d.count,d.materialIndex)}var h=t.boundingBox;null!==h&&(this.boundingBox=h.clone());var f=t.boundingSphere;return null!==f&&(this.boundingSphere=f.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this},dispose:function(){this.dispatchEvent({type:"dispose"})}})},function(t,e,n){"use strict";function r(){}n.d(e,"a",function(){return r}),Object.assign(r.prototype,{addEventListener:function(t,e){void 0===this._listeners&&(this._listeners={});var n=this._listeners;void 0===n[t]&&(n[t]=[]),-1===n[t].indexOf(e)&&n[t].push(e)},hasEventListener:function(t,e){if(void 0===this._listeners)return!1;var n=this._listeners;return void 0!==n[t]&&-1!==n[t].indexOf(e)},removeEventListener:function(t,e){if(void 0!==this._listeners){var n=this._listeners[t];if(void 0!==n){var r=n.indexOf(e);-1!==r&&n.splice(r,1)}}},dispatchEvent:function(t){if(void 0!==this._listeners){var e=this._listeners[t.type];if(void 0!==e){t.target=this;for(var n=e.slice(0),r=0,i=n.length;r<i;r++)n[r].call(this,t)}}}})},function(t,e,n){"use strict";n.d(e,"a",function(){return i});var r=n(6);function i(t,e,n,r){this._x=t||0,this._y=e||0,this._z=n||0,this._w=void 0!==r?r:1}Object.assign(i,{slerp:function(t,e,n,r){return n.copy(t).slerp(e,r)},slerpFlat:function(t,e,n,r,i,a,o){var s=n[r+0],c=n[r+1],l=n[r+2],u=n[r+3],d=i[a+0],h=i[a+1],f=i[a+2],p=i[a+3];if(u!==p||s!==d||c!==h||l!==f){var m=1-o,g=s*d+c*h+l*f+u*p,v=g>=0?1:-1,_=1-g*g;if(_>Number.EPSILON){var x=Math.sqrt(_),y=Math.atan2(x,g*v);m=Math.sin(m*y)/x,o=Math.sin(o*y)/x}var b=o*v;if(s=s*m+d*b,c=c*m+h*b,l=l*m+f*b,u=u*m+p*b,m===1-o){var E=1/Math.sqrt(s*s+c*c+l*l+u*u);s*=E,c*=E,l*=E,u*=E}}t[e]=s,t[e+1]=c,t[e+2]=l,t[e+3]=u}}),Object.defineProperties(i.prototype,{x:{get:function(){return this._x},set:function(t){this._x=t,this._onChangeCallback()}},y:{get:function(){return this._y},set:function(t){this._y=t,this._onChangeCallback()}},z:{get:function(){return this._z},set:function(t){this._z=t,this._onChangeCallback()}},w:{get:function(){return this._w},set:function(t){this._w=t,this._onChangeCallback()}}}),Object.assign(i.prototype,{isQuaternion:!0,set:function(t,e,n,r){return this._x=t,this._y=e,this._z=n,this._w=r,this._onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},copy:function(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this},setFromEuler:function(t,e){if(!t||!t.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var n=t._x,r=t._y,i=t._z,a=t.order,o=Math.cos,s=Math.sin,c=o(n/2),l=o(r/2),u=o(i/2),d=s(n/2),h=s(r/2),f=s(i/2);return"XYZ"===a?(this._x=d*l*u+c*h*f,this._y=c*h*u-d*l*f,this._z=c*l*f+d*h*u,this._w=c*l*u-d*h*f):"YXZ"===a?(this._x=d*l*u+c*h*f,this._y=c*h*u-d*l*f,this._z=c*l*f-d*h*u,this._w=c*l*u+d*h*f):"ZXY"===a?(this._x=d*l*u-c*h*f,this._y=c*h*u+d*l*f,this._z=c*l*f+d*h*u,this._w=c*l*u-d*h*f):"ZYX"===a?(this._x=d*l*u-c*h*f,this._y=c*h*u+d*l*f,this._z=c*l*f-d*h*u,this._w=c*l*u+d*h*f):"YZX"===a?(this._x=d*l*u+c*h*f,this._y=c*h*u+d*l*f,this._z=c*l*f-d*h*u,this._w=c*l*u-d*h*f):"XZY"===a&&(this._x=d*l*u-c*h*f,this._y=c*h*u-d*l*f,this._z=c*l*f+d*h*u,this._w=c*l*u+d*h*f),!1!==e&&this._onChangeCallback(),this},setFromAxisAngle:function(t,e){var n=e/2,r=Math.sin(n);return this._x=t.x*r,this._y=t.y*r,this._z=t.z*r,this._w=Math.cos(n),this._onChangeCallback(),this},setFromRotationMatrix:function(t){var e,n=t.elements,r=n[0],i=n[4],a=n[8],o=n[1],s=n[5],c=n[9],l=n[2],u=n[6],d=n[10],h=r+s+d;return h>0?(e=.5/Math.sqrt(h+1),this._w=.25/e,this._x=(u-c)*e,this._y=(a-l)*e,this._z=(o-i)*e):r>s&&r>d?(e=2*Math.sqrt(1+r-s-d),this._w=(u-c)/e,this._x=.25*e,this._y=(i+o)/e,this._z=(a+l)/e):s>d?(e=2*Math.sqrt(1+s-r-d),this._w=(a-l)/e,this._x=(i+o)/e,this._y=.25*e,this._z=(c+u)/e):(e=2*Math.sqrt(1+d-r-s),this._w=(o-i)/e,this._x=(a+l)/e,this._y=(c+u)/e,this._z=.25*e),this._onChangeCallback(),this},setFromUnitVectors:function(t,e){var n=t.dot(e)+1;return n<1e-6?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()},angleTo:function(t){return 2*Math.acos(Math.abs(r.a.clamp(this.dot(t),-1,1)))},rotateTowards:function(t,e){var n=this.angleTo(t);if(0===n)return this;var r=Math.min(1,e/n);return this.slerp(t,r),this},inverse:function(){return this.conjugate()},conjugate:function(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this},dot:function(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w},lengthSq:function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},length:function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},normalize:function(){var t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this},multiply:function(t,e){return void 0!==e?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(t,e)):this.multiplyQuaternions(this,t)},premultiply:function(t){return this.multiplyQuaternions(t,this)},multiplyQuaternions:function(t,e){var n=t._x,r=t._y,i=t._z,a=t._w,o=e._x,s=e._y,c=e._z,l=e._w;return this._x=n*l+a*o+r*c-i*s,this._y=r*l+a*s+i*o-n*c,this._z=i*l+a*c+n*s-r*o,this._w=a*l-n*o-r*s-i*c,this._onChangeCallback(),this},slerp:function(t,e){if(0===e)return this;if(1===e)return this.copy(t);var n=this._x,r=this._y,i=this._z,a=this._w,o=a*t._w+n*t._x+r*t._y+i*t._z;if(o<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,o=-o):this.copy(t),o>=1)return this._w=a,this._x=n,this._y=r,this._z=i,this;var s=1-o*o;if(s<=Number.EPSILON){var c=1-e;return this._w=c*a+e*this._w,this._x=c*n+e*this._x,this._y=c*r+e*this._y,this._z=c*i+e*this._z,this.normalize(),this._onChangeCallback(),this}var l=Math.sqrt(s),u=Math.atan2(l,o),d=Math.sin((1-e)*u)/l,h=Math.sin(e*u)/l;return this._w=a*d+this._w*h,this._x=n*d+this._x*h,this._y=r*d+this._y*h,this._z=i*d+this._z*h,this._onChangeCallback(),this},equals:function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w},fromArray:function(t,e){return void 0===e&&(e=0),this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this},toArray:function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t},_onChange:function(t){return this._onChangeCallback=t,this},_onChangeCallback:function(){}})},function(t,e,n){"use strict";n.r(e),n.d(e,"Sphere",function(){return a});var r=n(19),i=n(1);function a(t,e){this.center=void 0!==t?t:new i.Vector3,this.radius=void 0!==e?e:0}Object.assign(a.prototype,{set:function(t,e){return this.center.copy(t),this.radius=e,this},setFromPoints:function(){var t=new r.Box3;return function(e,n){var r=this.center;void 0!==n?r.copy(n):t.setFromPoints(e).getCenter(r);for(var i=0,a=0,o=e.length;a<o;a++)i=Math.max(i,r.distanceToSquared(e[a]));return this.radius=Math.sqrt(i),this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.center.copy(t.center),this.radius=t.radius,this},empty:function(){return this.radius<=0},containsPoint:function(t){return t.distanceToSquared(this.center)<=this.radius*this.radius},distanceToPoint:function(t){return t.distanceTo(this.center)-this.radius},intersectsSphere:function(t){var e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e},intersectsBox:function(t){return t.intersectsSphere(this)},intersectsPlane:function(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius},clampPoint:function(t,e){var n=this.center.distanceToSquared(t);return void 0===e&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),e=new 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r.Vector3),e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y||t.max.z<this.min.z||t.min.z>this.max.z)},intersectsSphere:function(){var t=new r.Vector3;return function(e){return this.clampPoint(e.center,t),t.distanceToSquared(e.center)<=e.radius*e.radius}}(),intersectsPlane:function(t){var e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant},intersectsTriangle:function(){var t=new r.Vector3,e=new r.Vector3,n=new r.Vector3,i=new r.Vector3,a=new r.Vector3,o=new r.Vector3,s=new r.Vector3,c=new r.Vector3,l=new r.Vector3,u=new r.Vector3;function d(r){var i,a;for(i=0,a=r.length-3;i<=a;i+=3){s.fromArray(r,i);var o=l.x*Math.abs(s.x)+l.y*Math.abs(s.y)+l.z*Math.abs(s.z),c=t.dot(s),u=e.dot(s),d=n.dot(s);if(Math.max(-Math.max(c,u,d),Math.min(c,u,d))>o)return!1}return!0}return function(r){if(this.isEmpty())return!1;this.getCenter(c),l.subVectors(this.max,c),t.subVectors(r.a,c),e.subVectors(r.b,c),n.subVectors(r.c,c),i.subVectors(e,t),a.subVectors(n,e),o.subVectors(t,n);var s=[0,-i.z,i.y,0,-a.z,a.y,0,-o.z,o.y,i.z,0,-i.x,a.z,0,-a.x,o.z,0,-o.x,-i.y,i.x,0,-a.y,a.x,0,-o.y,o.x,0];return!!d(s)&&(!!d(s=[1,0,0,0,1,0,0,0,1])&&(u.crossVectors(i,a),d(s=[u.x,u.y,u.z])))}}(),clampPoint:function(t,e){return void 0===e&&(console.warn("THREE.Box3: .clampPoint() target is now required"),e=new r.Vector3),e.copy(t).clamp(this.min,this.max)},distanceToPoint:function(){var t=new r.Vector3;return function(e){return t.copy(e).clamp(this.min,this.max).sub(e).length()}}(),getBoundingSphere:function(){var t=new r.Vector3;return function(e){return void 0===e&&console.error("THREE.Box3: .getBoundingSphere() target is now required"),this.getCenter(e.center),e.radius=.5*this.getSize(t).length(),e}}(),intersect:function(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this},union:function(t){return this.min.min(t.min),this.max.max(t.max),this},applyMatrix4:function(){var t=[new r.Vector3,new r.Vector3,new r.Vector3,new r.Vector3,new r.Vector3,new r.Vector3,new r.Vector3,new r.Vector3];return function(e){return 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r=n(5),i=n(11),a=n(1),o=n(2),s=n(8),c=n(13),l={basic:{uniforms:Object(i.mergeUniforms)([o.UniformsLib.common,o.UniformsLib.specularmap,o.UniformsLib.envmap,o.UniformsLib.aomap,o.UniformsLib.lightmap,o.UniformsLib.fog]),vertexShader:r.a.meshbasic_vert,fragmentShader:r.a.meshbasic_frag},lambert:{uniforms:Object(i.mergeUniforms)([o.UniformsLib.common,o.UniformsLib.specularmap,o.UniformsLib.envmap,o.UniformsLib.aomap,o.UniformsLib.lightmap,o.UniformsLib.emissivemap,o.UniformsLib.fog,o.UniformsLib.lights,{emissive:{value:new s.a(0)}}]),vertexShader:r.a.meshlambert_vert,fragmentShader:r.a.meshlambert_frag},phong:{uniforms:Object(i.mergeUniforms)([o.UniformsLib.common,o.UniformsLib.specularmap,o.UniformsLib.envmap,o.UniformsLib.aomap,o.UniformsLib.lightmap,o.UniformsLib.emissivemap,o.UniformsLib.bumpmap,o.UniformsLib.normalmap,o.UniformsLib.displacementmap,o.UniformsLib.gradientmap,o.UniformsLib.fog,o.UniformsLib.lights,{emissive:{value:new s.a(0)},specular:{value:new 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strict";n.d(e,"a",function(){return m});var r=n(16),i=n(24),a=n(13),o=n(18),s=n(19),c=n(1),l=n(3),u=n(4),d=n(8),h=n(9),f=n(6),p=0;function m(){Object.defineProperty(this,"id",{value:p+=2}),this.uuid=f.a.generateUUID(),this.name="",this.type="Geometry",this.vertices=[],this.colors=[],this.faces=[],this.faceVertexUvs=[[]],this.morphTargets=[],this.morphNormals=[],this.skinWeights=[],this.skinIndices=[],this.lineDistances=[],this.boundingBox=null,this.boundingSphere=null,this.elementsNeedUpdate=!1,this.verticesNeedUpdate=!1,this.uvsNeedUpdate=!1,this.normalsNeedUpdate=!1,this.colorsNeedUpdate=!1,this.lineDistancesNeedUpdate=!1,this.groupsNeedUpdate=!1}m.prototype=Object.assign(Object.create(r.a.prototype),{constructor:m,isGeometry:!0,applyMatrix:function(t){for(var e=(new a.a).getNormalMatrix(t),n=0,r=this.vertices.length;n<r;n++){this.vertices[n].applyMatrix4(t)}for(n=0,r=this.faces.length;n<r;n++){var i=this.faces[n];i.normal.applyMatrix3(e).normalize();for(var o=0,s=i.vertexNormals.length;o<s;o++)i.vertexNormals[o].applyMatrix3(e).normalize()}return null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this.verticesNeedUpdate=!0,this.normalsNeedUpdate=!0,this},rotateX:function(){var t=new l.a;return function(e){return t.makeRotationX(e),this.applyMatrix(t),this}}(),rotateY:function(){var t=new l.a;return function(e){return t.makeRotationY(e),this.applyMatrix(t),this}}(),rotateZ:function(){var t=new l.a;return function(e){return t.makeRotationZ(e),this.applyMatrix(t),this}}(),translate:function(){var t=new l.a;return function(e,n,r){return t.makeTranslation(e,n,r),this.applyMatrix(t),this}}(),scale:function(){var t=new l.a;return function(e,n,r){return t.makeScale(e,n,r),this.applyMatrix(t),this}}(),lookAt:function(){var t=new h.Object3D;return function(e){t.lookAt(e),t.updateMatrix(),this.applyMatrix(t.matrix)}}(),fromBufferGeometry:function(t){var e=this,n=null!==t.index?t.index.array:void 0,r=t.attributes,a=r.position.array,o=void 0!==r.normal?r.normal.array:void 0,s=void 0!==r.color?r.color.array:void 0,l=void 0!==r.uv?r.uv.array:void 0,h=void 0!==r.uv2?r.uv2.array:void 0;void 0!==h&&(this.faceVertexUvs[1]=[]);for(var f=0;f<a.length;f+=3)e.vertices.push((new c.Vector3).fromArray(a,f)),void 0!==s&&e.colors.push((new d.a).fromArray(s,f));function p(t,n,r,a){var d=void 0===s?[]:[e.colors[t].clone(),e.colors[n].clone(),e.colors[r].clone()],f=void 0===o?[]:[(new c.Vector3).fromArray(o,3*t),(new c.Vector3).fromArray(o,3*n),(new c.Vector3).fromArray(o,3*r)],p=new i.a(t,n,r,f,d,a);e.faces.push(p),void 0!==l&&e.faceVertexUvs[0].push([(new u.Vector2).fromArray(l,2*t),(new u.Vector2).fromArray(l,2*n),(new u.Vector2).fromArray(l,2*r)]),void 0!==h&&e.faceVertexUvs[1].push([(new u.Vector2).fromArray(h,2*t),(new u.Vector2).fromArray(h,2*n),(new u.Vector2).fromArray(h,2*r)])}var m=t.groups;if(m.length>0)for(f=0;f<m.length;f++)for(var g=m[f],v=g.start,_=v,x=v+g.count;_<x;_+=3)void 0!==n?p(n[_],n[_+1],n[_+2],g.materialIndex):p(_,_+1,_+2,g.materialIndex);else if(void 0!==n)for(f=0;f<n.length;f+=3)p(n[f],n[f+1],n[f+2]);else for(f=0;f<a.length/3;f+=3)p(f,f+1,f+2);return this.computeFaceNormals(),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this},center:function(){var t=new c.Vector3;return function(){return this.computeBoundingBox(),this.boundingBox.getCenter(t).negate(),this.translate(t.x,t.y,t.z),this}}(),normalize:function(){this.computeBoundingSphere();var t=this.boundingSphere.center,e=this.boundingSphere.radius,n=0===e?1:1/e,r=new l.a;return r.set(n,0,0,-n*t.x,0,n,0,-n*t.y,0,0,n,-n*t.z,0,0,0,1),this.applyMatrix(r),this},computeFaceNormals:function(){for(var t=new c.Vector3,e=new c.Vector3,n=0,r=this.faces.length;n<r;n++){var i=this.faces[n],a=this.vertices[i.a],o=this.vertices[i.b],s=this.vertices[i.c];t.subVectors(s,o),e.subVectors(a,o),t.cross(e),t.normalize(),i.normal.copy(t)}},computeVertexNormals:function(t){var e,n,r,i,a,o;for(void 0===t&&(t=!0),o=new Array(this.vertices.length),e=0,n=this.vertices.length;e<n;e++)o[e]=new c.Vector3;if(t){var s,l,u,d=new c.Vector3,h=new c.Vector3;for(r=0,i=this.faces.length;r<i;r++)a=this.faces[r],s=this.vertices[a.a],l=this.vertices[a.b],u=this.vertices[a.c],d.subVectors(u,l),h.subVectors(s,l),d.cross(h),o[a.a].add(d),o[a.b].add(d),o[a.c].add(d)}else for(this.computeFaceNormals(),r=0,i=this.faces.length;r<i;r++)o[(a=this.faces[r]).a].add(a.normal),o[a.b].add(a.normal),o[a.c].add(a.normal);for(e=0,n=this.vertices.length;e<n;e++)o[e].normalize();for(r=0,i=this.faces.length;r<i;r++){var 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m;for(a.faces=this.faces,t=0,e=this.morphTargets.length;t<e;t++){if(!this.morphNormals[t]){this.morphNormals[t]={},this.morphNormals[t].faceNormals=[],this.morphNormals[t].vertexNormals=[];var o=this.morphNormals[t].faceNormals,s=this.morphNormals[t].vertexNormals;for(n=0,r=this.faces.length;n<r;n++)l=new c.Vector3,u={a:new c.Vector3,b:new c.Vector3,c:new c.Vector3},o.push(l),s.push(u)}var l,u,d=this.morphNormals[t];for(a.vertices=this.morphTargets[t].vertices,a.computeFaceNormals(),a.computeVertexNormals(),n=0,r=this.faces.length;n<r;n++)i=this.faces[n],l=d.faceNormals[n],u=d.vertexNormals[n],l.copy(i.normal),u.a.copy(i.vertexNormals[0]),u.b.copy(i.vertexNormals[1]),u.c.copy(i.vertexNormals[2])}for(n=0,r=this.faces.length;n<r;n++)(i=this.faces[n]).normal=i.__originalFaceNormal,i.vertexNormals=i.__originalVertexNormals},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new 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e=t.r.toString()+t.g.toString()+t.b.toString();return void 0!==u[e]?u[e]:(u[e]=l.length,l.push(t.getHex()),u[e])}function S(t){var e=t.x.toString()+t.y.toString();return void 0!==h[e]?h[e]:(h[e]=d.length/2,d.push(t.x,t.y),h[e])}return t.data={},t.data.vertices=r,t.data.normals=s,l.length>0&&(t.data.colors=l),d.length>0&&(t.data.uvs=[d]),t.data.faces=o,t},clone:function(){return(new m).copy(this)},copy:function(t){var e,n,r,i,a,o;this.vertices=[],this.colors=[],this.faces=[],this.faceVertexUvs=[[]],this.morphTargets=[],this.morphNormals=[],this.skinWeights=[],this.skinIndices=[],this.lineDistances=[],this.boundingBox=null,this.boundingSphere=null,this.name=t.name;var s=t.vertices;for(e=0,n=s.length;e<n;e++)this.vertices.push(s[e].clone());var c=t.colors;for(e=0,n=c.length;e<n;e++)this.colors.push(c[e].clone());var l=t.faces;for(e=0,n=l.length;e<n;e++)this.faces.push(l[e].clone());for(e=0,n=t.faceVertexUvs.length;e<n;e++){var u=t.faceVertexUvs[e];for(void 0===this.faceVertexUvs[e]&&(this.faceVertexUvs[e]=[]),r=0,i=u.length;r<i;r++){var d=u[r],h=[];for(a=0,o=d.length;a<o;a++){var f=d[a];h.push(f.clone())}this.faceVertexUvs[e].push(h)}}var p=t.morphTargets;for(e=0,n=p.length;e<n;e++){var m={};if(m.name=p[e].name,void 0!==p[e].vertices)for(m.vertices=[],r=0,i=p[e].vertices.length;r<i;r++)m.vertices.push(p[e].vertices[r].clone());if(void 0!==p[e].normals)for(m.normals=[],r=0,i=p[e].normals.length;r<i;r++)m.normals.push(p[e].normals[r].clone());this.morphTargets.push(m)}var g=t.morphNormals;for(e=0,n=g.length;e<n;e++){var v={};if(void 0!==g[e].vertexNormals)for(v.vertexNormals=[],r=0,i=g[e].vertexNormals.length;r<i;r++){var _=g[e].vertexNormals[r],x={};x.a=_.a.clone(),x.b=_.b.clone(),x.c=_.c.clone(),v.vertexNormals.push(x)}if(void 0!==g[e].faceNormals)for(v.faceNormals=[],r=0,i=g[e].faceNormals.length;r<i;r++)v.faceNormals.push(g[e].faceNormals[r].clone());this.morphNormals.push(v)}var y=t.skinWeights;for(e=0,n=y.length;e<n;e++)this.skinWeights.push(y[e].clone());var b=t.skinIndices;for(e=0,n=b.length;e<n;e++)this.skinIndices.push(b[e].clone());var E=t.lineDistances;for(e=0,n=E.length;e<n;e++)this.lineDistances.push(E[e]);var M=t.boundingBox;null!==M&&(this.boundingBox=M.clone());var w=t.boundingSphere;return null!==w&&(this.boundingSphere=w.clone()),this.elementsNeedUpdate=t.elementsNeedUpdate,this.verticesNeedUpdate=t.verticesNeedUpdate,this.uvsNeedUpdate=t.uvsNeedUpdate,this.normalsNeedUpdate=t.normalsNeedUpdate,this.colorsNeedUpdate=t.colorsNeedUpdate,this.lineDistancesNeedUpdate=t.lineDistancesNeedUpdate,this.groupsNeedUpdate=t.groupsNeedUpdate,this},dispose:function(){this.dispatchEvent({type:"dispose"})}})},function(t,e,n){"use strict";n.d(e,"a",function(){return a});var r=n(8),i=n(1);function a(t,e,n,a,o,s){this.a=t,this.b=e,this.c=n,this.normal=a&&a.isVector3?a:new i.Vector3,this.vertexNormals=Array.isArray(a)?a:[],this.color=o&&o.isColor?o:new 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h=l*this.direction.dot(e.cross(t));if(h<0)return null;if(d+h>u)return null;var f=-l*t.dot(i);return f<0?null:this.at(f/u,c)}}(),applyMatrix4:function(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this},equals:function(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}})},function(t,e,n){"use strict";n.r(e);var r=n(12),i=n(11),a="\nvoid main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}\n",o="\nvoid main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}\n";function 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t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=r,this.data.array[t+3]=i,this}})},function(t,e,n){"use strict";n.r(e),n.d(e,"InstancedInterleavedBuffer",function(){return i});var r=n(25);function i(t,e,n){r.InterleavedBuffer.call(this,t,e),this.meshPerAttribute=n||1}i.prototype=Object.assign(Object.create(r.InterleavedBuffer.prototype),{constructor:i,isInstancedInterleavedBuffer:!0,copy:function(t){return r.InterleavedBuffer.prototype.copy.call(this,t),this.meshPerAttribute=t.meshPerAttribute,this}})},function(t,e,n){"use strict";void 0===Number.EPSILON&&(Number.EPSILON=Math.pow(2,-52)),void 0===Number.isInteger&&(Number.isInteger=function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t}),void 0===Math.sign&&(Math.sign=function(t){return t<0?-1:t>0?1:+t}),"name"in Function.prototype==!1&&Object.defineProperty(Function.prototype,"name",{get:function(){var t=this.toString().match(/^\s*function\s*([^\(\s]*)/);return t?t[1]:"anonymous"}}),void 0===Object.assign&&(Object.assign=function(t){if(void 0===t||null===t)throw new TypeError("Cannot convert undefined or null to object");for(var e=Object(t),n=1;n<arguments.length;n++){var r=arguments[n];if(void 0!==r&&null!==r)for(var i in r)Object.prototype.hasOwnProperty.call(r,i)&&(e[i]=r[i])}return e})},function(t,e,n){"use strict";THREE.GeometryUtils={merge:function(t,e,n){var r;console.warn("THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead."),e instanceof THREE.Mesh&&(e.matrixAutoUpdate&&e.updateMatrix(),r=e.matrix,e=e.geometry),t.merge(e,r,n)},randomPointInTriangle:function(){var t=new THREE.Vector3;return function(e,n,r){var i=new THREE.Vector3,a=Math.random(),o=Math.random();a+o>1&&(a=1-a,o=1-o);var s=1-a-o;return i.copy(e),i.multiplyScalar(a),t.copy(n),t.multiplyScalar(o),i.add(t),t.copy(r),t.multiplyScalar(s),i.add(t),i}}(),randomPointInFace:function(t,e){var n,r,i;return n=e.vertices[t.a],r=e.vertices[t.b],i=e.vertices[t.c],THREE.GeometryUtils.randomPointInTriangle(n,r,i)},randomPointsInGeometry:function(t,e){var n,r,i,a,o,s=t.faces,c=t.vertices,l=s.length,u=0,d=[];for(r=0;r<l;r++)i=c[(n=s[r]).a],a=c[n.b],o=c[n.c],n._area=THREE.GeometryUtils.triangleArea(i,a,o),u+=n._area,d[r]=u;function h(t){return function e(n,r){if(r<n)return n;var i=n+Math.floor((r-n)/2);return d[i]>t?e(n,i-1):d[i]<t?e(i+1,r):i}(0,d.length-1)}var f,p=[],m={};for(r=0;r<e;r++)f=h(Math.random()*u),p[r]=THREE.GeometryUtils.randomPointInFace(s[f],t),m[f]?m[f]+=1:m[f]=1;return p},randomPointsInBufferGeometry:function(t,e){var n,r,i,a,o=t.attributes.position.array,s=0,c=[];r=new THREE.Vector3,i=new THREE.Vector3,a=new THREE.Vector3;var l=o.length/9;for(n=0;n<l;n++)r.set(o[9*n+0],o[9*n+1],o[9*n+2]),i.set(o[9*n+3],o[9*n+4],o[9*n+5]),a.set(o[9*n+6],o[9*n+7],o[9*n+8]),s+=THREE.GeometryUtils.triangleArea(r,i,a),c.push(s);function u(t){return function e(n,r){if(r<n)return n;var i=n+Math.floor((r-n)/2);return c[i]>t?e(n,i-1):c[i]<t?e(i+1,r):i}(0,c.length-1)}var d,h=[];for(n=0;n<e;n++)d=u(Math.random()*s),r.set(o[9*d+0],o[9*d+1],o[9*d+2]),i.set(o[9*d+3],o[9*d+4],o[9*d+5]),a.set(o[9*d+6],o[9*d+7],o[9*d+8]),h[n]=THREE.GeometryUtils.randomPointInTriangle(r,i,a);return h},triangleArea:function(){var t=new THREE.Vector3,e=new THREE.Vector3;return function(n,r,i){return t.subVectors(r,n),e.subVectors(i,n),t.cross(e),.5*t.length()}}(),center:function(t){return console.warn("THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead."),t.center()},hilbert2D:function(t,e,n,r,i,a,o){t=void 0!==t?t:new THREE.Vector3(0,0,0);var s=(e=void 0!==e?e:10)/2,c=(n=void 0!==n?n:1,r=void 0!==r?r:0,i=void 0!==i?i:1,a=void 0!==a?a:2,o=void 0!==o?o:3,[new THREE.Vector3(t.x-s,t.y,t.z-s),new THREE.Vector3(t.x-s,t.y,t.z+s),new THREE.Vector3(t.x+s,t.y,t.z+s),new THREE.Vector3(t.x+s,t.y,t.z-s)]),l=[c[r],c[i],c[a],c[o]];if(0<=--n){var u=[];return Array.prototype.push.apply(u,THREE.GeometryUtils.hilbert2D(l[0],s,n,r,o,a,i)),Array.prototype.push.apply(u,THREE.GeometryUtils.hilbert2D(l[1],s,n,r,i,a,o)),Array.prototype.push.apply(u,THREE.GeometryUtils.hilbert2D(l[2],s,n,r,i,a,o)),Array.prototype.push.apply(u,THREE.GeometryUtils.hilbert2D(l[3],s,n,a,i,r,o)),u}return l},hilbert3D:function(t,e,n,r,i,a,o,s,c,l,u){t=void 0!==t?t:new THREE.Vector3(0,0,0);var d=(e=void 0!==e?e:10)/2,h=(n=void 0!==n?n:1,r=void 0!==r?r:0,i=void 0!==i?i:1,a=void 0!==a?a:2,o=void 0!==o?o:3,s=void 0!==s?s:4,c=void 0!==c?c:5,l=void 0!==l?l:6,u=void 0!==u?u:7,[new THREE.Vector3(t.x-d,t.y+d,t.z-d),new THREE.Vector3(t.x-d,t.y+d,t.z+d),new THREE.Vector3(t.x-d,t.y-d,t.z+d),new THREE.Vector3(t.x-d,t.y-d,t.z-d),new THREE.Vector3(t.x+d,t.y-d,t.z-d),new THREE.Vector3(t.x+d,t.y-d,t.z+d),new THREE.Vector3(t.x+d,t.y+d,t.z+d),new THREE.Vector3(t.x+d,t.y+d,t.z-d)]),f=[h[r],h[i],h[a],h[o],h[s],h[c],h[l],h[u]];if(--n>=0){var p=[];return Array.prototype.push.apply(p,THREE.GeometryUtils.hilbert3D(f[0],d,n,r,o,s,u,l,c,a,i)),Array.prototype.push.apply(p,THREE.GeometryUtils.hilbert3D(f[1],d,n,r,u,l,i,a,c,s,o)),Array.prototype.push.apply(p,THREE.GeometryUtils.hilbert3D(f[2],d,n,r,u,l,i,a,c,s,o)),Array.prototype.push.apply(p,THREE.GeometryUtils.hilbert3D(f[3],d,n,a,o,r,i,l,u,s,c)),Array.prototype.push.apply(p,THREE.GeometryUtils.hilbert3D(f[4],d,n,a,o,r,i,l,u,s,c)),Array.prototype.push.apply(p,THREE.GeometryUtils.hilbert3D(f[5],d,n,s,o,a,c,l,i,r,u)),Array.prototype.push.apply(p,THREE.GeometryUtils.hilbert3D(f[6],d,n,s,o,a,c,l,i,r,u)),Array.prototype.push.apply(p,THREE.GeometryUtils.hilbert3D(f[7],d,n,l,c,a,i,r,o,s,u)),p}return f}}},function(t,e,n){"use strict";THREE.LineSegmentsGeometry=function(){THREE.InstancedBufferGeometry.call(this),this.type="LineSegmentsGeometry";this.setIndex([0,2,1,2,3,1,2,4,3,4,5,3,4,6,5,6,7,5]),this.addAttribute("position",new THREE.Float32BufferAttribute([-1,2,0,1,2,0,-1,1,0,1,1,0,-1,0,0,1,0,0,-1,-1,0,1,-1,0],3)),this.addAttribute("uv",new THREE.Float32BufferAttribute([-1,2,1,2,-1,1,1,1,-1,-1,1,-1,-1,-2,1,-2],2))},THREE.LineSegmentsGeometry.prototype=Object.assign(Object.create(THREE.InstancedBufferGeometry.prototype),{constructor:THREE.LineSegmentsGeometry,isLineSegmentsGeometry:!0,applyMatrix:function(t){var e=this.attributes.instanceStart,n=this.attributes.instanceEnd;return void 0!==e&&(t.applyToBufferAttribute(e),t.applyToBufferAttribute(n),e.data.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},setPositions:function(t){var e;t instanceof Float32Array?e=t:Array.isArray(t)&&(e=new Float32Array(t));var n=new THREE.InstancedInterleavedBuffer(e,6,1);return this.addAttribute("instanceStart",new THREE.InterleavedBufferAttribute(n,3,0)),this.addAttribute("instanceEnd",new THREE.InterleavedBufferAttribute(n,3,3)),this.computeBoundingBox(),this.computeBoundingSphere(),this},setColors:function(t){var e;t instanceof Float32Array?e=t:Array.isArray(t)&&(e=new Float32Array(t));var n=new THREE.InstancedInterleavedBuffer(e,6,1);return this.addAttribute("instanceColorStart",new THREE.InterleavedBufferAttribute(n,3,0)),this.addAttribute("instanceColorEnd",new THREE.InterleavedBufferAttribute(n,3,3)),this},fromWireframeGeometry:function(t){return this.setPositions(t.attributes.position.array),this},fromEdgesGeometry:function(t){return this.setPositions(t.attributes.position.array),this},fromMesh:function(t){return this.fromWireframeGeometry(new THREE.WireframeGeometry(t.geometry)),this},fromLineSegements:function(t){var e=t.geometry;return e.isGeometry?this.setPositions(e.vertices):e.isBufferGeometry&&this.setPositions(e.position.array),this},computeBoundingBox:function(){var t=new THREE.Box3;return function(){null===this.boundingBox&&(this.boundingBox=new THREE.Box3);var e=this.attributes.instanceStart,n=this.attributes.instanceEnd;void 0!==e&&void 0!==n&&(this.boundingBox.setFromBufferAttribute(e),t.setFromBufferAttribute(n),this.boundingBox.union(t))}}(),computeBoundingSphere:function(){var t=new THREE.Vector3;return function(){null===this.boundingSphere&&(this.boundingSphere=new THREE.Sphere),null===this.boundingBox&&this.computeBoundingBox();var e=this.attributes.instanceStart,n=this.attributes.instanceEnd;if(void 0!==e&&void 0!==n){var r=this.boundingSphere.center;this.boundingBox.getCenter(r);for(var i=0,a=0,o=e.count;a<o;a++)t.fromBufferAttribute(e,a),i=Math.max(i,r.distanceToSquared(t)),t.fromBufferAttribute(n,a),i=Math.max(i,r.distanceToSquared(t));this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error("THREE.LineSegmentsGeometry.computeBoundingSphere(): Computed radius is NaN. The instanced position data is likely to have NaN values.",this)}}}(),toJSON:function(){},clone:function(){},copy:function(){return this}})},function(t,e,n){"use strict";THREE.LineGeometry=function(){THREE.LineSegmentsGeometry.call(this),this.type="LineGeometry"},THREE.LineGeometry.prototype=Object.assign(Object.create(THREE.LineSegmentsGeometry.prototype),{constructor:THREE.LineGeometry,isLineGeometry:!0,setPositions:function(t){for(var e=t.length-3,n=new Float32Array(2*e),r=0;r<e;r+=3)n[2*r]=t[r],n[2*r+1]=t[r+1],n[2*r+2]=t[r+2],n[2*r+3]=t[r+3],n[2*r+4]=t[r+4],n[2*r+5]=t[r+5];return THREE.LineSegmentsGeometry.prototype.setPositions.call(this,n),this},setColors:function(t){for(var e=t.length-3,n=new Float32Array(2*e),r=0;r<e;r+=3)n[2*r]=t[r],n[2*r+1]=t[r+1],n[2*r+2]=t[r+2],n[2*r+3]=t[r+3],n[2*r+4]=t[r+4],n[2*r+5]=t[r+5];return THREE.LineSegmentsGeometry.prototype.setColors.call(this,n),this},fromLine:function(t){var e=t.geometry;return e.isGeometry?this.setPositions(e.vertices):e.isBufferGeometry&&this.setPositions(e.position.array),this},copy:function(){return this}})},function(t,e,n){"use strict";THREE.WireframeGeometry2=function(t){THREE.LineSegmentsGeometry.call(this),this.type="WireframeGeometry2",this.fromWireframeGeometry(new THREE.WireframeGeometry(t))},THREE.WireframeGeometry2.prototype=Object.assign(Object.create(THREE.LineSegmentsGeometry.prototype),{constructor:THREE.WireframeGeometry2,isWireframeGeometry2:!0,copy:function(){return this}})},function(t,e,n){"use strict";THREE.UniformsLib.line={linewidth:{value:1},resolution:{value:new THREE.Vector2(1,1)},dashScale:{value:1},dashSize:{value:1},gapSize:{value:1}},THREE.ShaderLib.line={uniforms:THREE.UniformsUtils.merge([THREE.UniformsLib.common,THREE.UniformsLib.fog,THREE.UniformsLib.line]),vertexShader:"\n\t\t#include <common>\n\t\t#include <color_pars_vertex>\n\t\t#include <fog_pars_vertex>\n\t\t#include <logdepthbuf_pars_vertex>\n\t\t#include <clipping_planes_pars_vertex>\n\n\t\tuniform float linewidth;\n\t\tuniform vec2 resolution;\n\n\t\tattribute vec3 instanceStart;\n\t\tattribute vec3 instanceEnd;\n\n\t\tattribute vec3 instanceColorStart;\n\t\tattribute vec3 instanceColorEnd;\n\n\t\tvarying vec2 vUv;\n\n\t\t#ifdef USE_DASH\n\n\t\t\tuniform float dashScale;\n\t\t\tattribute float instanceDistanceStart;\n\t\t\tattribute float instanceDistanceEnd;\n\t\t\tvarying float vLineDistance;\n\n\t\t#endif\n\n\t\tvoid trimSegment( const in vec4 start, inout vec4 end ) {\n\n\t\t\t// trim end segment so it terminates between the camera plane and the near plane\n\n\t\t\t// conservative estimate of the near plane\n\t\t\tfloat a = projectionMatrix[ 2 ][ 2 ]; // 3nd entry in 3th column\n\t\t\tfloat b = projectionMatrix[ 3 ][ 2 ]; // 3nd entry in 4th column\n\t\t\tfloat nearEstimate = - 0.5 * b / a;\n\n\t\t\tfloat alpha = ( nearEstimate - start.z ) / ( end.z - start.z );\n\n\t\t\tend.xyz = mix( start.xyz, end.xyz, alpha );\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\t#ifdef USE_COLOR\n\n\t\t\t\tvColor.xyz = ( position.y < 0.5 ) ? instanceColorStart : instanceColorEnd;\n\n\t\t\t#endif\n\n\t\t\t#ifdef USE_DASH\n\n\t\t\t\tvLineDistance = ( position.y < 0.5 ) ? dashScale * instanceDistanceStart : dashScale * instanceDistanceEnd;\n\n\t\t\t#endif\n\n\t\t\tfloat aspect = resolution.x / resolution.y;\n\n\t\t\tvUv = uv;\n\n\t\t\t// camera space\n\t\t\tvec4 start = modelViewMatrix * vec4( instanceStart, 1.0 );\n\t\t\tvec4 end = modelViewMatrix * vec4( instanceEnd, 1.0 );\n\n\t\t\t// special case for perspective projection, and segments that terminate either in, or behind, the camera plane\n\t\t\t// clearly the gpu firmware has a way of addressing this issue when projecting into ndc space\n\t\t\t// but we need to perform ndc-space calculations in the shader, so we must address this issue directly\n\t\t\t// perhaps there is a more elegant solution -- WestLangley\n\n\t\t\tbool perspective = ( projectionMatrix[ 2 ][ 3 ] == - 1.0 ); // 4th entry in the 3rd column\n\n\t\t\tif ( perspective ) {\n\n\t\t\t\tif ( start.z < 0.0 && end.z >= 0.0 ) {\n\n\t\t\t\t\ttrimSegment( start, end );\n\n\t\t\t\t} else if ( end.z < 0.0 && start.z >= 0.0 ) {\n\n\t\t\t\t\ttrimSegment( end, start );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// clip space\n\t\t\tvec4 clipStart = projectionMatrix * start;\n\t\t\tvec4 clipEnd = projectionMatrix * end;\n\n\t\t\t// ndc space\n\t\t\tvec2 ndcStart = clipStart.xy / clipStart.w;\n\t\t\tvec2 ndcEnd = clipEnd.xy / clipEnd.w;\n\n\t\t\t// direction\n\t\t\tvec2 dir = ndcEnd - ndcStart;\n\n\t\t\t// account for clip-space aspect ratio\n\t\t\tdir.x *= aspect;\n\t\t\tdir = normalize( dir );\n\n\t\t\t// perpendicular to dir\n\t\t\tvec2 offset = vec2( dir.y, - dir.x );\n\n\t\t\t// undo aspect ratio adjustment\n\t\t\tdir.x /= aspect;\n\t\t\toffset.x /= aspect;\n\n\t\t\t// sign flip\n\t\t\tif ( position.x < 0.0 ) offset *= - 1.0;\n\n\t\t\t// endcaps\n\t\t\tif ( position.y < 0.0 ) {\n\n\t\t\t\toffset += - dir;\n\n\t\t\t} else if ( position.y > 1.0 ) {\n\n\t\t\t\toffset += dir;\n\n\t\t\t}\n\n\t\t\t// adjust for linewidth\n\t\t\toffset *= linewidth;\n\n\t\t\t// adjust for clip-space to screen-space conversion // maybe resolution should be based on viewport ...\n\t\t\toffset /= resolution.y;\n\n\t\t\t// select end\n\t\t\tvec4 clip = ( position.y < 0.5 ) ? clipStart : clipEnd;\n\n\t\t\t// back to clip space\n\t\t\toffset *= clip.w;\n\n\t\t\tclip.xy += offset;\n\n\t\t\tgl_Position = clip;\n\n\t\t\tvec4 mvPosition = ( position.y < 0.5 ) ? start : end; // this is an approximation\n\n\t\t\t#include <logdepthbuf_vertex>\n\t\t\t#include <clipping_planes_vertex>\n\t\t\t#include <fog_vertex>\n\n\t\t}\n\t\t",fragmentShader:"\n\t\tuniform vec3 diffuse;\n\t\tuniform float opacity;\n\n\t\t#ifdef USE_DASH\n\n\t\t\tuniform float dashSize;\n\t\t\tuniform float gapSize;\n\n\t\t#endif\n\n\t\tvarying float vLineDistance;\n\n\t\t#include <common>\n\t\t#include <color_pars_fragment>\n\t\t#include <fog_pars_fragment>\n\t\t#include <logdepthbuf_pars_fragment>\n\t\t#include <clipping_planes_pars_fragment>\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\t#include <clipping_planes_fragment>\n\n\t\t\t#ifdef USE_DASH\n\n\t\t\t\tif ( vUv.y < - 1.0 || vUv.y > 1.0 ) discard; // discard endcaps\n\n\t\t\t\tif ( mod( vLineDistance, dashSize + gapSize ) > dashSize ) discard; // todo - FIX\n\n\t\t\t#endif\n\n\t\t\tif ( abs( vUv.y ) > 1.0 ) {\n\n\t\t\t\tfloat a = vUv.x;\n\t\t\t\tfloat b = ( vUv.y > 0.0 ) ? vUv.y - 1.0 : vUv.y + 1.0;\n\t\t\t\tfloat len2 = a * a + b * b;\n\n\t\t\t\tif ( len2 > 1.0 ) discard;\n\n\t\t\t}\n\n\t\t\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t\t\t#include <logdepthbuf_fragment>\n\t\t\t#include <color_fragment>\n\n\t\t\tgl_FragColor = vec4( diffuseColor.rgb, diffuseColor.a );\n\n\t\t\t#include <premultiplied_alpha_fragment>\n\t\t\t#include <tonemapping_fragment>\n\t\t\t#include <encodings_fragment>\n\t\t\t#include <fog_fragment>\n\n\t\t}\n\t\t"},THREE.LineMaterial=function(t){THREE.ShaderMaterial.call(this,{type:"LineMaterial",uniforms:THREE.UniformsUtils.clone(THREE.ShaderLib.line.uniforms),vertexShader:THREE.ShaderLib.line.vertexShader,fragmentShader:THREE.ShaderLib.line.fragmentShader}),this.dashed=!1,Object.defineProperties(this,{color:{enumerable:!0,get:function(){return this.uniforms.diffuse.value},set:function(t){this.uniforms.diffuse.value=t}},linewidth:{enumerable:!0,get:function(){return this.uniforms.linewidth.value},set:function(t){this.uniforms.linewidth.value=t}},dashScale:{enumerable:!0,get:function(){return this.uniforms.dashScale.value},set:function(t){this.uniforms.dashScale.value=t}},dashSize:{enumerable:!0,get:function(){return this.uniforms.dashSize.value},set:function(t){this.uniforms.dashSize.value=t}},gapSize:{enumerable:!0,get:function(){return this.uniforms.gapSize.value},set:function(t){this.uniforms.gapSize.value=t}},resolution:{enumerable:!0,get:function(){return this.uniforms.resolution.value},set:function(t){this.uniforms.resolution.value.copy(t)}}}),this.setValues(t)},THREE.LineMaterial.prototype=Object.create(THREE.ShaderMaterial.prototype),THREE.LineMaterial.prototype.constructor=THREE.LineMaterial,THREE.LineMaterial.prototype.isLineMaterial=!0,THREE.LineMaterial.prototype.copy=function(t){return THREE.ShaderMaterial.prototype.copy.call(this,t),this.color.copy(t.color),this.linewidth=t.linewidth,this.resolution=t.resolution,this}},function(t,e,n){"use strict";THREE.LineSegments2=function(t,e){THREE.Mesh.call(this),this.type="LineSegments2",this.geometry=void 0!==t?t:new THREE.LineSegmentsGeometry,this.material=void 0!==e?e:new THREE.LineMaterial({color:16777215*Math.random()})},THREE.LineSegments2.prototype=Object.assign(Object.create(THREE.Mesh.prototype),{constructor:THREE.LineSegments2,isLineSegments2:!0,computeLineDistances:function(){var t=new THREE.Vector3,e=new THREE.Vector3;return function(){for(var n=this.geometry,r=n.attributes.instanceStart,i=n.attributes.instanceEnd,a=new Float32Array(2*r.data.count),o=0,s=0,c=r.data.count;o<c;o++,s+=2)t.fromBufferAttribute(r,o),e.fromBufferAttribute(i,o),a[s]=0===s?0:a[s-1],a[s+1]=a[s]+t.distanceTo(e);var l=new THREE.InstancedInterleavedBuffer(a,2,1);return n.addAttribute("instanceDistanceStart",new THREE.InterleavedBufferAttribute(l,1,0)),n.addAttribute("instanceDistanceEnd",new THREE.InterleavedBufferAttribute(l,1,1)),this}}(),copy:function(){return this}})},function(t,e,n){"use strict";THREE.Line2=function(t,e){THREE.LineSegments2.call(this),this.type="Line2",this.geometry=void 0!==t?t:new THREE.LineGeometry,this.material=void 0!==e?e:new THREE.LineMaterial({color:16777215*Math.random()})},THREE.Line2.prototype=Object.assign(Object.create(THREE.LineSegments2.prototype),{constructor:THREE.Line2,isLine2:!0,copy:function(){return this}})},function(t,e,n){"use strict";THREE.Wireframe=function(t,e){THREE.Mesh.call(this),this.type="Wireframe",this.geometry=void 0!==t?t:new THREE.LineSegmentsGeometry,this.material=void 0!==e?e:new THREE.LineMaterial({color:16777215*Math.random()})},THREE.Wireframe.prototype=Object.assign(Object.create(THREE.Mesh.prototype),{constructor:THREE.Wireframe,isWireframe:!0,computeLineDistances:function(){var t=new THREE.Vector3,e=new THREE.Vector3;return function(){for(var n=this.geometry,r=n.attributes.instanceStart,i=n.attributes.instanceEnd,a=new Float32Array(2*r.data.count),o=0,s=0,c=r.data.count;o<c;o++,s+=2)t.fromBufferAttribute(r,o),e.fromBufferAttribute(i,o),a[s]=0===s?0:a[s-1],a[s+1]=a[s]+t.distanceTo(e);var l=new THREE.InstancedInterleavedBuffer(a,2,1);return n.addAttribute("instanceDistanceStart",new THREE.InterleavedBufferAttribute(l,1,0)),n.addAttribute("instanceDistanceEnd",new THREE.InterleavedBufferAttribute(l,1,1)),this}}(),copy:function(){return this}})},function(t,e,n){"use strict";n.r(e);var r=n(0),i=n(6),a=n(14);function o(t,e,n,i,o,s,c,l,u,d,h,f){a.Texture.call(this,null,s,c,l,u,d,i,o,h,f),this.image={data:t,width:e,height:n},this.magFilter=void 0!==u?u:r.NearestFilter,this.minFilter=void 0!==d?d:r.NearestFilter,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}o.prototype=Object.create(a.Texture.prototype),o.prototype.constructor=o,o.prototype.isDataTexture=!0;var s=n(1),c=n(18),l=n(13);function u(t,e){this.normal=void 0!==t?t:new s.Vector3(1,0,0),this.constant=void 0!==e?e:0}function d(t,e,n,r,i,a){this.planes=[void 0!==t?t:new u,void 0!==e?e:new u,void 0!==n?n:new u,void 0!==r?r:new u,void 0!==i?i:new u,void 0!==a?a:new u]}Object.assign(u.prototype,{isPlane:!0,set:function(t,e){return this.normal.copy(t),this.constant=e,this},setComponents:function(t,e,n,r){return this.normal.set(t,e,n),this.constant=r,this},setFromNormalAndCoplanarPoint:function(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this},setFromCoplanarPoints:function(){var t=new s.Vector3,e=new s.Vector3;return function(n,r,i){var a=t.subVectors(i,r).cross(e.subVectors(n,r)).normalize();return this.setFromNormalAndCoplanarPoint(a,n),this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.normal.copy(t.normal),this.constant=t.constant,this},normalize:function(){var t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this},negate:function(){return this.constant*=-1,this.normal.negate(),this},distanceToPoint:function(t){return this.normal.dot(t)+this.constant},distanceToSphere:function(t){return this.distanceToPoint(t.center)-t.radius},projectPoint:function(t,e){return void 0===e&&(console.warn("THREE.Plane: .projectPoint() target is now required"),e=new s.Vector3),e.copy(this.normal).multiplyScalar(-this.distanceToPoint(t)).add(t)},intersectLine:function(){var t=new s.Vector3;return function(e,n){void 0===n&&(console.warn("THREE.Plane: .intersectLine() target is now required"),n=new s.Vector3);var r=e.delta(t),i=this.normal.dot(r);if(0===i)return 0===this.distanceToPoint(e.start)?n.copy(e.start):void 0;var a=-(e.start.dot(this.normal)+this.constant)/i;return a<0||a>1?void 0:n.copy(r).multiplyScalar(a).add(e.start)}}(),intersectsLine:function(t){var e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0},intersectsBox:function(t){return t.intersectsPlane(this)},intersectsSphere:function(t){return t.intersectsPlane(this)},coplanarPoint:function(t){return void 0===t&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),t=new s.Vector3),t.copy(this.normal).multiplyScalar(-this.constant)},applyMatrix4:function(){var t=new s.Vector3,e=new l.a;return function(n,r){var i=r||e.getNormalMatrix(n),a=this.coplanarPoint(t).applyMatrix4(n),o=this.normal.applyMatrix3(i).normalize();return this.constant=-a.dot(o),this}}(),translate:function(t){return this.constant-=t.dot(this.normal),this},equals:function(t){return t.normal.equals(this.normal)&&t.constant===this.constant}}),Object.assign(d.prototype,{set:function(t,e,n,r,i,a){var o=this.planes;return o[0].copy(t),o[1].copy(e),o[2].copy(n),o[3].copy(r),o[4].copy(i),o[5].copy(a),this},clone:function(){return(new this.constructor).copy(this)},copy:function(t){for(var e=this.planes,n=0;n<6;n++)e[n].copy(t.planes[n]);return this},setFromMatrix:function(t){var e=this.planes,n=t.elements,r=n[0],i=n[1],a=n[2],o=n[3],s=n[4],c=n[5],l=n[6],u=n[7],d=n[8],h=n[9],f=n[10],p=n[11],m=n[12],g=n[13],v=n[14],_=n[15];return e[0].setComponents(o-r,u-s,p-d,_-m).normalize(),e[1].setComponents(o+r,u+s,p+d,_+m).normalize(),e[2].setComponents(o+i,u+c,p+h,_+g).normalize(),e[3].setComponents(o-i,u-c,p-h,_-g).normalize(),e[4].setComponents(o-a,u-l,p-f,_-v).normalize(),e[5].setComponents(o+a,u+l,p+f,_+v).normalize(),this},intersectsObject:function(){var t=new c.Sphere;return function(e){var n=e.geometry;return 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r(i,a){!1!==e&&(n(i,a),t.requestAnimationFrame(r))}return{start:function(){!0!==e&&null!==n&&(t.requestAnimationFrame(r),e=!0)},stop:function(){e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function x(t){var e=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),e.get(t)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);var r=e.get(n);r&&(t.deleteBuffer(r.buffer),e.delete(n))},update:function(n,r){n.isInterleavedBufferAttribute&&(n=n.data);var i=e.get(n);void 0===i?e.set(n,function(e,n){var r=e.array,i=e.dynamic?t.DYNAMIC_DRAW:t.STATIC_DRAW,a=t.createBuffer();t.bindBuffer(n,a),t.bufferData(n,r,i),e.onUploadCallback();var o=t.FLOAT;return r instanceof Float32Array?o=t.FLOAT:r instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):r instanceof Uint16Array?o=t.UNSIGNED_SHORT:r instanceof Int16Array?o=t.SHORT:r instanceof Uint32Array?o=t.UNSIGNED_INT:r instanceof 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i=[],a={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"phong",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"},o=["precision","supportsVertexTextures","map","mapEncoding","matcap","matcapEncoding","envMap","envMapMode","envMapEncoding","lightMap","aoMap","emissiveMap","emissiveMapEncoding","bumpMap","normalMap","objectSpaceNormalMap","displacementMap","specularMap","roughnessMap","metalnessMap","gradientMap","alphaMap","combine","vertexColors","vertexTangents","fog","useFog","fogExp","flatShading","sizeAttenuation","logarithmicDepthBuffer","skinning","maxBones","useVertexTexture","morphTargets","morphNormals","maxMorphTargets","maxMorphNormals","premultipliedAlpha","numDirLights","numPointLights","numSpotLights","numHemiLights","numRectAreaLights","shadowMapEnabled","shadowMapType","toneMapping","physicallyCorrectLights","alphaTest","doubleSided","flipSided","numClippingPlanes","numClipIntersection","depthPacking","dithering"];function s(t,e){var n;return t?t.isTexture?n=t.encoding:t.isWebGLRenderTarget&&(console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. 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m=t.getRenderTarget();return{shaderID:h,precision:p,supportsVertexTextures:n.vertexTextures,outputEncoding:s(m?m.texture:null,t.gammaOutput),map:!!e.map,mapEncoding:s(e.map,t.gammaInput),matcap:!!e.matcap,matcapEncoding:s(e.matcap,t.gammaInput),envMap:!!e.envMap,envMapMode:e.envMap&&e.envMap.mapping,envMapEncoding:s(e.envMap,t.gammaInput),envMapCubeUV:!!e.envMap&&(e.envMap.mapping===r.CubeUVReflectionMapping||e.envMap.mapping===r.CubeUVRefractionMapping),lightMap:!!e.lightMap,aoMap:!!e.aoMap,emissiveMap:!!e.emissiveMap,emissiveMapEncoding:s(e.emissiveMap,t.gammaInput),bumpMap:!!e.bumpMap,normalMap:!!e.normalMap,objectSpaceNormalMap:e.normalMapType===r.ObjectSpaceNormalMap,displacementMap:!!e.displacementMap,roughnessMap:!!e.roughnessMap,metalnessMap:!!e.metalnessMap,specularMap:!!e.specularMap,alphaMap:!!e.alphaMap,gradientMap:!!e.gradientMap,combine:e.combine,vertexTangents:e.normalMap&&e.vertexTangents,vertexColors:e.vertexColors,fog:!!c,useFog:e.fog,fogExp:c&&c.isFogExp2,flatShading:e.flatShading,sizeAttenuation:e.sizeAttenuation,logarithmicDepthBuffer:n.logarithmicDepthBuffer,skinning:e.skinning&&f>0,maxBones:f,useVertexTexture:n.floatVertexTextures,morphTargets:e.morphTargets,morphNormals:e.morphNormals,maxMorphTargets:t.maxMorphTargets,maxMorphNormals:t.maxMorphNormals,numDirLights:i.directional.length,numPointLights:i.point.length,numSpotLights:i.spot.length,numRectAreaLights:i.rectArea.length,numHemiLights:i.hemi.length,numClippingPlanes:l,numClipIntersection:u,dithering:e.dithering,shadowMapEnabled:t.shadowMap.enabled&&d.receiveShadow&&o.length>0,shadowMapType:t.shadowMap.type,toneMapping:t.toneMapping,physicallyCorrectLights:t.physicallyCorrectLights,premultipliedAlpha:e.premultipliedAlpha,alphaTest:e.alphaTest,doubleSided:e.side===r.DoubleSide,flipSided:e.side===r.BackSide,depthPacking:void 0!==e.depthPacking&&e.depthPacking}},this.getProgramCode=function(e,n){var r=[];if(n.shaderID?r.push(n.shaderID):(r.push(e.fragmentShader),r.push(e.vertexShader)),void 0!==e.defines)for(var i in e.defines)r.push(i),r.push(e.defines[i]);for(var a=0;a<o.length;a++)r.push(n[o[a]]);return r.push(e.onBeforeCompile.toString()),r.push(t.gammaOutput),r.push(t.gammaFactor),r.join()},this.acquireProgram=function(r,a,o,s){for(var c,l=0,u=i.length;l<u;l++){var d=i[l];if(d.code===s){++(c=d).usedTimes;break}}return void 0===c&&(c=new Bt(t,e,s,r,a,o,n),i.push(c)),c},this.releaseProgram=function(t){if(0==--t.usedTimes){var e=i.indexOf(t);i[e]=i[i.length-1],i.pop(),t.destroy()}},this.programs=i}function zt(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.program!==e.program?t.program.id-e.program.id:t.material.id!==e.material.id?t.material.id-e.material.id:t.z!==e.z?t.z-e.z:t.id-e.id}function Vt(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.z!==e.z?e.z-t.z:t.id-e.id}function Gt(){var t=[],e=0,n=[],r=[],i={id:-1};function a(n,r,a,o,s,c){var l=t[e];return void 0===l?(l={id:n.id,object:n,geometry:r,material:a,program:a.program||i,groupOrder:o,renderOrder:n.renderOrder,z:s,group:c},t[e]=l):(l.id=n.id,l.object=n,l.geometry=r,l.material=a,l.program=a.program||i,l.groupOrder=o,l.renderOrder=n.renderOrder,l.z=s,l.group=c),e++,l}return{opaque:n,transparent:r,init:function(){e=0,n.length=0,r.length=0},push:function(t,e,i,o,s,c){var l=a(t,e,i,o,s,c);(!0===i.transparent?r:n).push(l)},unshift:function(t,e,i,o,s,c){var l=a(t,e,i,o,s,c);(!0===i.transparent?r:n).unshift(l)},sort:function(){n.length>1&&n.sort(zt),r.length>1&&r.sort(Vt)}}}var Ht=0;function kt(){for(var t=new function(){var t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];var n;switch(e.type){case"DirectionalLight":n={direction:new 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t[e.id]=n,n}}},e={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,shadowsLength:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],point:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]},n=0;n<9;n++)e.probe.push(new s.Vector3);var r=new s.Vector3,i=new h.a,a=new h.a;return{setup:function(n,o,s){for(var c=0,l=0,u=0,d=0;d<9;d++)e.probe[d].set(0,0,0);for(var h=0,f=0,p=0,m=0,g=0,v=s.matrixWorldInverse,_=(d=0,n.length);d<_;d++){var x=n[d],y=x.color,b=x.intensity,E=x.distance,M=x.shadow&&x.shadow.map?x.shadow.map.texture:null;if(x.isAmbientLight)c+=y.r*b,l+=y.g*b,u+=y.b*b;else if(x.isLightProbe)for(var w=0;w<9;w++)e.probe[w].addScaledVector(x.sh.coefficients[w],b);else if(x.isDirectionalLight){if((S=t.get(x)).color.copy(x.color).multiplyScalar(x.intensity),S.direction.setFromMatrixPosition(x.matrixWorld),r.setFromMatrixPosition(x.target.matrixWorld),S.direction.sub(r),S.direction.transformDirection(v),S.shadow=x.castShadow,x.castShadow){var T=x.shadow;S.shadowBias=T.bias,S.shadowRadius=T.radius,S.shadowMapSize=T.mapSize}e.directionalShadowMap[h]=M,e.directionalShadowMatrix[h]=x.shadow.matrix,e.directional[h]=S,h++}else if(x.isSpotLight)(S=t.get(x)).position.setFromMatrixPosition(x.matrixWorld),S.position.applyMatrix4(v),S.color.copy(y).multiplyScalar(b),S.distance=E,S.direction.setFromMatrixPosition(x.matrixWorld),r.setFromMatrixPosition(x.target.matrixWorld),S.direction.sub(r),S.direction.transformDirection(v),S.coneCos=Math.cos(x.angle),S.penumbraCos=Math.cos(x.angle*(1-x.penumbra)),S.decay=x.decay,S.shadow=x.castShadow,x.castShadow&&(T=x.shadow,S.shadowBias=T.bias,S.shadowRadius=T.radius,S.shadowMapSize=T.mapSize),e.spotShadowMap[p]=M,e.spotShadowMatrix[p]=x.shadow.matrix,e.spot[p]=S,p++;else if(x.isRectAreaLight)(S=t.get(x)).color.copy(y).multiplyScalar(b),S.position.setFromMatrixPosition(x.matrixWorld),S.position.applyMatrix4(v),a.identity(),i.copy(x.matrixWorld),i.premultiply(v),a.extractRotation(i),S.halfWidth.set(.5*x.width,0,0),S.halfHeight.set(0,.5*x.height,0),S.halfWidth.applyMatrix4(a),S.halfHeight.applyMatrix4(a),e.rectArea[m]=S,m++;else if(x.isPointLight)(S=t.get(x)).position.setFromMatrixPosition(x.matrixWorld),S.position.applyMatrix4(v),S.color.copy(x.color).multiplyScalar(x.intensity),S.distance=x.distance,S.decay=x.decay,S.shadow=x.castShadow,x.castShadow&&(T=x.shadow,S.shadowBias=T.bias,S.shadowRadius=T.radius,S.shadowMapSize=T.mapSize,S.shadowCameraNear=T.camera.near,S.shadowCameraFar=T.camera.far),e.pointShadowMap[f]=M,e.pointShadowMatrix[f]=x.shadow.matrix,e.point[f]=S,f++;else if(x.isHemisphereLight){var S;(S=t.get(x)).direction.setFromMatrixPosition(x.matrixWorld),S.direction.transformDirection(v),S.direction.normalize(),S.skyColor.copy(x.color).multiplyScalar(b),S.groundColor.copy(x.groundColor).multiplyScalar(b),e.hemi[g]=S,g++}}e.ambient[0]=c,e.ambient[1]=l,e.ambient[2]=u;var L=e.hash;L.directionalLength===h&&L.pointLength===f&&L.spotLength===p&&L.rectAreaLength===m&&L.hemiLength===g&&L.shadowsLength===o.length||(e.directional.length=h,e.spot.length=p,e.rectArea.length=m,e.point.length=f,e.hemi.length=g,L.directionalLength=h,L.pointLength=f,L.spotLength=p,L.rectAreaLength=m,L.hemiLength=g,L.shadowsLength=o.length,e.version=Ht++)},state:e}}function Wt(){var t=new kt,e=[],n=[];return{init:function(){e.length=0,n.length=0},state:{lightsArray:e,shadowsArray:n,lights:t},setupLights:function(r){t.setup(e,n,r)},pushLight:function(t){e.push(t)},pushShadow:function(t){n.push(t)}}}var jt=n(16);function Xt(t,e,n){this.width=t,this.height=e,this.scissor=new v.a(0,0,t,e),this.scissorTest=!1,this.viewport=new v.a(0,0,t,e),n=n||{},this.texture=new a.Texture(void 0,void 0,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.image={},this.texture.image.width=t,this.texture.image.height=e,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:r.LinearFilter,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0===n.stencilBuffer||n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null}Xt.prototype=Object.assign(Object.create(jt.a.prototype),{constructor:Xt,isWebGLRenderTarget:!0,setSize:function(t,e){this.width===t&&this.height===e||(this.width=t,this.height=e,this.texture.image.width=t,this.texture.image.height=e,this.dispose()),this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.width=t.width,this.height=t.height,this.viewport.copy(t.viewport),this.texture=t.texture.clone(),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.depthTexture=t.depthTexture,this},dispose:function(){this.dispatchEvent({type:"dispose"})}});var qt=n(12);function Yt(t){qt.a.call(this),this.type="MeshDepthMaterial",this.depthPacking=r.BasicDepthPacking,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.setValues(t)}function Zt(t){qt.a.call(this),this.type="MeshDistanceMaterial",this.referencePosition=new s.Vector3,this.nearDistance=1,this.farDistance=1e3,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.lights=!1,this.setValues(t)}function Jt(t,e,n,a,o,s,c){var l,u={},d="undefined"!=typeof OffscreenCanvas;function h(t,e){return d?new OffscreenCanvas(t,e):document.createElementNS("http://www.w3.org/1999/xhtml","canvas")}function f(t,e,n,r){var a=1;if((t.width>r||t.height>r)&&(a=r/Math.max(t.width,t.height)),a<1||!0===e){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){var o=e?i.a.floorPowerOfTwo:Math.floor,s=o(a*t.width),c=o(a*t.height);void 0===l&&(l=h(s,c));var u=n?h(s,c):l;return u.width=s,u.height=c,u.getContext("2d").drawImage(t,0,0,s,c),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+t.width+"x"+t.height+") to ("+s+"x"+c+")."),u}return"data"in t&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+t.width+"x"+t.height+")."),t}return t}function p(t){return i.a.isPowerOfTwo(t.width)&&i.a.isPowerOfTwo(t.height)}function m(t,e){return t.generateMipmaps&&e&&t.minFilter!==r.NearestFilter&&t.minFilter!==r.LinearFilter}function g(e,n,r,i){t.generateMipmap(e),a.get(n).__maxMipLevel=Math.log(Math.max(r,i))*Math.LOG2E}function v(n,r){if(!o.isWebGL2)return n;var i=n;return n===t.RED&&(r===t.FLOAT&&(i=t.R32F),r===t.HALF_FLOAT&&(i=t.R16F),r===t.UNSIGNED_BYTE&&(i=t.R8)),n===t.RGB&&(r===t.FLOAT&&(i=t.RGB32F),r===t.HALF_FLOAT&&(i=t.RGB16F),r===t.UNSIGNED_BYTE&&(i=t.RGB8)),n===t.RGBA&&(r===t.FLOAT&&(i=t.RGBA32F),r===t.HALF_FLOAT&&(i=t.RGBA16F),r===t.UNSIGNED_BYTE&&(i=t.RGBA8)),i===t.R16F||i===t.R32F||i===t.RGBA16F||i===t.RGBA32F?e.get("EXT_color_buffer_float"):i!==t.RGB16F&&i!==t.RGB32F||console.warn("THREE.WebGLRenderer: Floating point textures with RGB format not supported. Please use RGBA instead."),i}function _(e){return e===r.NearestFilter||e===r.NearestMipMapNearestFilter||e===r.NearestMipMapLinearFilter?t.NEAREST:t.LINEAR}function x(e){var n=e.target;n.removeEventListener("dispose",x),function(e){var n=a.get(e);if(void 0===n.__webglInit)return;t.deleteTexture(n.__webglTexture),a.remove(e)}(n),n.isVideoTexture&&delete u[n.id],c.memory.textures--}function y(e){var n=e.target;n.removeEventListener("dispose",y),function(e){var n=a.get(e),r=a.get(e.texture);if(!e)return;void 0!==r.__webglTexture&&t.deleteTexture(r.__webglTexture);e.depthTexture&&e.depthTexture.dispose();if(e.isWebGLRenderTargetCube)for(var i=0;i<6;i++)t.deleteFramebuffer(n.__webglFramebuffer[i]),n.__webglDepthbuffer&&t.deleteRenderbuffer(n.__webglDepthbuffer[i]);else t.deleteFramebuffer(n.__webglFramebuffer),n.__webglDepthbuffer&&t.deleteRenderbuffer(n.__webglDepthbuffer);a.remove(e.texture),a.remove(e)}(n),c.memory.textures--}var b=0;function E(e,r){var i=a.get(e);if(e.isVideoTexture&&function(t){var e=t.id,n=c.render.frame;u[e]!==n&&(u[e]=n,t.update())}(e),e.version>0&&i.__version!==e.version){var o=e.image;if(void 0===o)console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined");else{if(!1!==o.complete)return void L(i,e,r);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}n.activeTexture(t.TEXTURE0+r),n.bindTexture(t.TEXTURE_2D,i.__webglTexture)}function M(e,i){var c=a.get(e);if(6===e.image.length)if(e.version>0&&c.__version!==e.version){S(c,e),n.activeTexture(t.TEXTURE0+i),n.bindTexture(t.TEXTURE_CUBE_MAP,c.__webglTexture),t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,e.flipY);for(var l=e&&e.isCompressedTexture,u=e.image[0]&&e.image[0].isDataTexture,d=[],h=0;h<6;h++)d[h]=l||u?u?e.image[h].image:e.image[h]:f(e.image[h],!1,!0,o.maxCubemapSize);var _=d[0],x=p(_)||o.isWebGL2,y=s.convert(e.format),b=s.convert(e.type),E=v(y,b);T(t.TEXTURE_CUBE_MAP,e,x);for(h=0;h<6;h++)if(l)for(var M,w=d[h].mipmaps,L=0,A=w.length;L<A;L++)M=w[L],e.format!==r.RGBAFormat&&e.format!==r.RGBFormat?n.getCompressedTextureFormats().indexOf(y)>-1?n.compressedTexImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+h,L,E,M.width,M.height,0,M.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()"):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+h,L,E,M.width,M.height,0,y,b,M.data);else u?n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+h,0,E,d[h].width,d[h].height,0,y,b,d[h].data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+h,0,E,y,b,d[h]);c.__maxMipLevel=l?w.length-1:0,m(e,x)&&g(t.TEXTURE_CUBE_MAP,e,_.width,_.height),c.__version=e.version,e.onUpdate&&e.onUpdate(e)}else n.activeTexture(t.TEXTURE0+i),n.bindTexture(t.TEXTURE_CUBE_MAP,c.__webglTexture)}function w(e,r){n.activeTexture(t.TEXTURE0+r),n.bindTexture(t.TEXTURE_CUBE_MAP,a.get(e).__webglTexture)}function T(n,i,c){var l;if(c?(t.texParameteri(n,t.TEXTURE_WRAP_S,s.convert(i.wrapS)),t.texParameteri(n,t.TEXTURE_WRAP_T,s.convert(i.wrapT)),n!==t.TEXTURE_3D&&n!==t.TEXTURE_2D_ARRAY||t.texParameteri(n,t.TEXTURE_WRAP_R,s.convert(i.wrapR)),t.texParameteri(n,t.TEXTURE_MAG_FILTER,s.convert(i.magFilter)),t.texParameteri(n,t.TEXTURE_MIN_FILTER,s.convert(i.minFilter))):(t.texParameteri(n,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(n,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),n!==t.TEXTURE_3D&&n!==t.TEXTURE_2D_ARRAY||t.texParameteri(n,t.TEXTURE_WRAP_R,t.CLAMP_TO_EDGE),i.wrapS===r.ClampToEdgeWrapping&&i.wrapT===r.ClampToEdgeWrapping||console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping."),t.texParameteri(n,t.TEXTURE_MAG_FILTER,_(i.magFilter)),t.texParameteri(n,t.TEXTURE_MIN_FILTER,_(i.minFilter)),i.minFilter!==r.NearestFilter&&i.minFilter!==r.LinearFilter&&console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.")),l=e.get("EXT_texture_filter_anisotropic")){if(i.type===r.FloatType&&null===e.get("OES_texture_float_linear"))return;if(i.type===r.HalfFloatType&&null===(o.isWebGL2||e.get("OES_texture_half_float_linear")))return;(i.anisotropy>1||a.get(i).__currentAnisotropy)&&(t.texParameterf(n,l.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(i.anisotropy,o.getMaxAnisotropy())),a.get(i).__currentAnisotropy=i.anisotropy)}}function S(e,n){void 0===e.__webglInit&&(e.__webglInit=!0,n.addEventListener("dispose",x),e.__webglTexture=t.createTexture(),c.memory.textures++)}function L(e,i,a){var c=t.TEXTURE_2D;i.isDataTexture2DArray&&(c=t.TEXTURE_2D_ARRAY),i.isDataTexture3D&&(c=t.TEXTURE_3D),S(e,i),n.activeTexture(t.TEXTURE0+a),n.bindTexture(c,e.__webglTexture),t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,i.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,i.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,i.unpackAlignment);var l=function(t){return!o.isWebGL2&&(t.wrapS!==r.ClampToEdgeWrapping||t.wrapT!==r.ClampToEdgeWrapping||t.minFilter!==r.NearestFilter&&t.minFilter!==r.LinearFilter)}(i)&&!1===p(i.image),u=f(i.image,l,!1,o.maxTextureSize),d=p(u)||o.isWebGL2,h=s.convert(i.format),_=s.convert(i.type),x=v(h,_);T(c,i,d);var y,b=i.mipmaps;if(i.isDepthTexture){if(x=t.DEPTH_COMPONENT,i.type===r.FloatType){if(!o.isWebGL2)throw new Error("Float Depth Texture only supported in WebGL2.0");x=t.DEPTH_COMPONENT32F}else o.isWebGL2&&(x=t.DEPTH_COMPONENT16);i.format===r.DepthFormat&&x===t.DEPTH_COMPONENT&&i.type!==r.UnsignedShortType&&i.type!==r.UnsignedIntType&&(console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."),i.type=r.UnsignedShortType,_=s.convert(i.type)),i.format===r.DepthStencilFormat&&(x=t.DEPTH_STENCIL,i.type!==r.UnsignedInt248Type&&(console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."),i.type=r.UnsignedInt248Type,_=s.convert(i.type))),n.texImage2D(t.TEXTURE_2D,0,x,u.width,u.height,0,h,_,null)}else if(i.isDataTexture)if(b.length>0&&d){for(var E=0,M=b.length;E<M;E++)y=b[E],n.texImage2D(t.TEXTURE_2D,E,x,y.width,y.height,0,h,_,y.data);i.generateMipmaps=!1,e.__maxMipLevel=b.length-1}else n.texImage2D(t.TEXTURE_2D,0,x,u.width,u.height,0,h,_,u.data),e.__maxMipLevel=0;else if(i.isCompressedTexture){for(E=0,M=b.length;E<M;E++)y=b[E],i.format!==r.RGBAFormat&&i.format!==r.RGBFormat?n.getCompressedTextureFormats().indexOf(h)>-1?n.compressedTexImage2D(t.TEXTURE_2D,E,x,y.width,y.height,0,y.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):n.texImage2D(t.TEXTURE_2D,E,x,y.width,y.height,0,h,_,y.data);e.__maxMipLevel=b.length-1}else if(i.isDataTexture2DArray)n.texImage3D(t.TEXTURE_2D_ARRAY,0,x,u.width,u.height,u.depth,0,h,_,u.data),e.__maxMipLevel=0;else if(i.isDataTexture3D)n.texImage3D(t.TEXTURE_3D,0,x,u.width,u.height,u.depth,0,h,_,u.data),e.__maxMipLevel=0;else if(b.length>0&&d){for(E=0,M=b.length;E<M;E++)y=b[E],n.texImage2D(t.TEXTURE_2D,E,x,h,_,y);i.generateMipmaps=!1,e.__maxMipLevel=b.length-1}else n.texImage2D(t.TEXTURE_2D,0,x,h,_,u),e.__maxMipLevel=0;m(i,d)&&g(t.TEXTURE_2D,i,u.width,u.height),e.__version=i.version,i.onUpdate&&i.onUpdate(i)}function A(e,r,i,o){var c=s.convert(r.texture.format),l=s.convert(r.texture.type),u=v(c,l);n.texImage2D(o,0,u,r.width,r.height,0,c,l,null),t.bindFramebuffer(t.FRAMEBUFFER,e),t.framebufferTexture2D(t.FRAMEBUFFER,i,o,a.get(r.texture).__webglTexture,0),t.bindFramebuffer(t.FRAMEBUFFER,null)}function R(e,n,r){if(t.bindRenderbuffer(t.RENDERBUFFER,e),n.depthBuffer&&!n.stencilBuffer){if(r){var i=P(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,i,t.DEPTH_COMPONENT16,n.width,n.height)}else t.renderbufferStorage(t.RENDERBUFFER,t.DEPTH_COMPONENT16,n.width,n.height);t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.RENDERBUFFER,e)}else if(n.depthBuffer&&n.stencilBuffer){if(r){i=P(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,i,t.DEPTH24_STENCIL8,n.width,n.height)}else t.renderbufferStorage(t.RENDERBUFFER,t.DEPTH_STENCIL,n.width,n.height);t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_STENCIL_ATTACHMENT,t.RENDERBUFFER,e)}else{var a=v(s.convert(n.texture.format),s.convert(n.texture.type));if(r){i=P(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,i,a,n.width,n.height)}else t.renderbufferStorage(t.RENDERBUFFER,a,n.width,n.height)}t.bindRenderbuffer(t.RENDERBUFFER,null)}function C(e){var n=a.get(e),i=!0===e.isWebGLRenderTargetCube;if(e.depthTexture){if(i)throw new Error("target.depthTexture not supported in Cube render targets");!function(e,n){if(n&&n.isWebGLRenderTargetCube)throw new Error("Depth Texture with cube render targets is not supported");if(t.bindFramebuffer(t.FRAMEBUFFER,e),!n.depthTexture||!n.depthTexture.isDepthTexture)throw new Error("renderTarget.depthTexture must be an instance of THREE.DepthTexture");a.get(n.depthTexture).__webglTexture&&n.depthTexture.image.width===n.width&&n.depthTexture.image.height===n.height||(n.depthTexture.image.width=n.width,n.depthTexture.image.height=n.height,n.depthTexture.needsUpdate=!0),E(n.depthTexture,0);var i=a.get(n.depthTexture).__webglTexture;if(n.depthTexture.format===r.DepthFormat)t.framebufferTexture2D(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.TEXTURE_2D,i,0);else{if(n.depthTexture.format!==r.DepthStencilFormat)throw new Error("Unknown depthTexture format");t.framebufferTexture2D(t.FRAMEBUFFER,t.DEPTH_STENCIL_ATTACHMENT,t.TEXTURE_2D,i,0)}}(n.__webglFramebuffer,e)}else if(i){n.__webglDepthbuffer=[];for(var o=0;o<6;o++)t.bindFramebuffer(t.FRAMEBUFFER,n.__webglFramebuffer[o]),n.__webglDepthbuffer[o]=t.createRenderbuffer(),R(n.__webglDepthbuffer[o],e)}else t.bindFramebuffer(t.FRAMEBUFFER,n.__webglFramebuffer),n.__webglDepthbuffer=t.createRenderbuffer(),R(n.__webglDepthbuffer,e);t.bindFramebuffer(t.FRAMEBUFFER,null)}function P(t){return o.isWebGL2&&t.isWebGLMultisampleRenderTarget?Math.min(o.maxSamples,t.samples):0}var D=!1,U=!1;this.allocateTextureUnit=function(){var t=b;return t>=o.maxTextures&&console.warn("THREE.WebGLTextures: Trying to use "+t+" texture units while this GPU supports only "+o.maxTextures),b+=1,t},this.resetTextureUnits=function(){b=0},this.setTexture2D=E,this.setTexture2DArray=function(e,r){var i=a.get(e);e.version>0&&i.__version!==e.version?L(i,e,r):(n.activeTexture(t.TEXTURE0+r),n.bindTexture(t.TEXTURE_2D_ARRAY,i.__webglTexture))},this.setTexture3D=function(e,r){var i=a.get(e);e.version>0&&i.__version!==e.version?L(i,e,r):(n.activeTexture(t.TEXTURE0+r),n.bindTexture(t.TEXTURE_3D,i.__webglTexture))},this.setTextureCube=M,this.setTextureCubeDynamic=w,this.setupRenderTarget=function(e){var r=a.get(e),i=a.get(e.texture);e.addEventListener("dispose",y),i.__webglTexture=t.createTexture(),c.memory.textures++;var l=!0===e.isWebGLRenderTargetCube,u=!0===e.isWebGLMultisampleRenderTarget,d=p(e)||o.isWebGL2;if(l){r.__webglFramebuffer=[];for(var h=0;h<6;h++)r.__webglFramebuffer[h]=t.createFramebuffer()}else if(r.__webglFramebuffer=t.createFramebuffer(),u)if(o.isWebGL2){r.__webglMultisampledFramebuffer=t.createFramebuffer(),r.__webglColorRenderbuffer=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,r.__webglColorRenderbuffer);var f=v(s.convert(e.texture.format),s.convert(e.texture.type)),_=P(e);t.renderbufferStorageMultisample(t.RENDERBUFFER,_,f,e.width,e.height),t.bindFramebuffer(t.FRAMEBUFFER,r.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,r.__webglColorRenderbuffer),t.bindRenderbuffer(t.RENDERBUFFER,null),e.depthBuffer&&(r.__webglDepthRenderbuffer=t.createRenderbuffer(),R(r.__webglDepthRenderbuffer,e,!0)),t.bindFramebuffer(t.FRAMEBUFFER,null)}else console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.");if(l){for(n.bindTexture(t.TEXTURE_CUBE_MAP,i.__webglTexture),T(t.TEXTURE_CUBE_MAP,e.texture,d),h=0;h<6;h++)A(r.__webglFramebuffer[h],e,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+h);m(e.texture,d)&&g(t.TEXTURE_CUBE_MAP,e.texture,e.width,e.height),n.bindTexture(t.TEXTURE_CUBE_MAP,null)}else n.bindTexture(t.TEXTURE_2D,i.__webglTexture),T(t.TEXTURE_2D,e.texture,d),A(r.__webglFramebuffer,e,t.COLOR_ATTACHMENT0,t.TEXTURE_2D),m(e.texture,d)&&g(t.TEXTURE_2D,e.texture,e.width,e.height),n.bindTexture(t.TEXTURE_2D,null);e.depthBuffer&&C(e)},this.updateRenderTargetMipmap=function(e){var r=e.texture;if(m(r,p(e)||o.isWebGL2)){var i=e.isWebGLRenderTargetCube?t.TEXTURE_CUBE_MAP:t.TEXTURE_2D,s=a.get(r).__webglTexture;n.bindTexture(i,s),g(i,r,e.width,e.height),n.bindTexture(i,null)}},this.updateMultisampleRenderTarget=function(e){if(e.isWebGLMultisampleRenderTarget)if(o.isWebGL2){var n=a.get(e);t.bindFramebuffer(t.READ_FRAMEBUFFER,n.__webglMultisampledFramebuffer),t.bindFramebuffer(t.DRAW_FRAMEBUFFER,n.__webglFramebuffer);var r=e.width,i=e.height,s=t.COLOR_BUFFER_BIT;e.depthBuffer&&(s|=t.DEPTH_BUFFER_BIT),e.stencilBuffer&&(s|=t.STENCIL_BUFFER_BIT),t.blitFramebuffer(0,0,r,i,0,0,r,i,s,t.NEAREST)}else console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.")},this.safeSetTexture2D=function(t,e){t&&t.isWebGLRenderTarget&&(!1===D&&(console.warn("THREE.WebGLTextures.safeSetTexture2D: don't use render targets as textures. Use their .texture property instead."),D=!0),t=t.texture),E(t,e)},this.safeSetTextureCube=function(t,e){t&&t.isWebGLRenderTargetCube&&(!1===U&&(console.warn("THREE.WebGLTextures.safeSetTextureCube: don't use cube render targets as textures. Use their .texture property instead."),U=!0),t=t.texture),t&&t.isCubeTexture||Array.isArray(t.image)&&6===t.image.length?M(t,e):w(t,e)}}Yt.prototype=Object.create(qt.a.prototype),Yt.prototype.constructor=Yt,Yt.prototype.isMeshDepthMaterial=!0,Yt.prototype.copy=function(t){return qt.a.prototype.copy.call(this,t),this.depthPacking=t.depthPacking,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this},Zt.prototype=Object.create(qt.a.prototype),Zt.prototype.constructor=Zt,Zt.prototype.isMeshDistanceMaterial=!0,Zt.prototype.copy=function(t){return qt.a.prototype.copy.call(this,t),this.referencePosition.copy(t.referencePosition),this.nearDistance=t.nearDistance,this.farDistance=t.farDistance,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this};var Qt=n(9);function Kt(){Qt.Object3D.call(this),this.type="Group"}Kt.prototype=Object.assign(Object.create(Qt.Object3D.prototype),{constructor:Kt,isGroup:!0});var $t=n(17),te=n(21);function ee(t,e,n,r){te.a.call(this),this.type="PerspectiveCamera",this.fov=void 0!==t?t:50,this.zoom=1,this.near=void 0!==n?n:.1,this.far=void 0!==r?r:2e3,this.focus=10,this.aspect=void 0!==e?e:1,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}function ne(t){ee.call(this),this.cameras=t||[]}ee.prototype=Object.assign(Object.create(te.a.prototype),{constructor:ee,isPerspectiveCamera:!0,copy:function(t,e){return te.a.prototype.copy.call(this,t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this},setFocalLength:function(t){var e=.5*this.getFilmHeight()/t;this.fov=2*i.a.RAD2DEG*Math.atan(e),this.updateProjectionMatrix()},getFocalLength:function(){var t=Math.tan(.5*i.a.DEG2RAD*this.fov);return.5*this.getFilmHeight()/t},getEffectiveFOV:function(){return 2*i.a.RAD2DEG*Math.atan(Math.tan(.5*i.a.DEG2RAD*this.fov)/this.zoom)},getFilmWidth:function(){return this.filmGauge*Math.min(this.aspect,1)},getFilmHeight:function(){return this.filmGauge/Math.max(this.aspect,1)},setViewOffset:function(t,e,n,r,i,a){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=a,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){var t=this.near,e=t*Math.tan(.5*i.a.DEG2RAD*this.fov)/this.zoom,n=2*e,r=this.aspect*n,a=-.5*r,o=this.view;if(null!==this.view&&this.view.enabled){var s=o.fullWidth,c=o.fullHeight;a+=o.offsetX*r/s,e-=o.offsetY*n/c,r*=o.width/s,n*=o.height/c}var l=this.filmOffset;0!==l&&(a+=t*l/this.getFilmWidth()),this.projectionMatrix.makePerspective(a,a+r,e,e-n,t,this.far),this.projectionMatrixInverse.getInverse(this.projectionMatrix)},toJSON:function(t){var e=Qt.Object3D.prototype.toJSON.call(this,t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}),ne.prototype=Object.assign(Object.create(ee.prototype),{constructor:ne,isArrayCamera:!0});var re=new s.Vector3,ie=new s.Vector3;function ae(t,e,n){re.setFromMatrixPosition(e.matrixWorld),ie.setFromMatrixPosition(n.matrixWorld);var r=re.distanceTo(ie),i=e.projectionMatrix.elements,a=n.projectionMatrix.elements,o=i[14]/(i[10]-1),s=i[14]/(i[10]+1),c=(i[9]+1)/i[5],l=(i[9]-1)/i[5],u=(i[8]-1)/i[0],d=(a[8]+1)/a[0],h=o*u,f=o*d,p=r/(-u+d),m=p*-u;e.matrixWorld.decompose(t.position,t.quaternion,t.scale),t.translateX(m),t.translateZ(p),t.matrixWorld.compose(t.position,t.quaternion,t.scale),t.matrixWorldInverse.getInverse(t.matrixWorld);var g=o+p,v=s+p,_=h-m,x=f+(r-m),y=c*s/v*g,b=l*s/v*g;t.projectionMatrix.makePerspective(_,x,y,b,g,v)}function oe(t){var e,n,r=this,i=null,a=null,o=null,c=[],l=new h.a,u=new h.a,d=1,f="local-floor";"undefined"!=typeof window&&"VRFrameData"in window&&(a=new window.VRFrameData,window.addEventListener("vrdisplaypresentchange",S,!1));var p=new h.a,m=new $t.a,x=new s.Vector3,y=new ee;y.viewport=new v.a,y.layers.enable(1);var b=new ee;b.viewport=new v.a,b.layers.enable(2);var E=new ne([y,b]);function M(){return null!==i&&!0===i.isPresenting}E.layers.enable(1),E.layers.enable(2);var w,T=new g.Vector2;function S(){if(M()){var a=i.getEyeParameters("left");e=2*a.renderWidth*d,n=a.renderHeight*d,w=t.getPixelRatio(),t.getSize(T),t.setDrawingBufferSize(e,n,1),y.viewport.set(0,0,e/2,n),b.viewport.set(e/2,0,e/2,n),C.start(),r.dispatchEvent({type:"sessionstart"})}else r.enabled&&t.setDrawingBufferSize(T.width,T.height,w),C.stop(),r.dispatchEvent({type:"sessionend"})}var L=[];function A(t){for(var e=navigator.getGamepads&&navigator.getGamepads(),n=0,r=0,i=e.length;n<i;n++){var a=e[n];if(a&&("Daydream Controller"===a.id||"Gear VR Controller"===a.id||"Oculus Go Controller"===a.id||"OpenVR Gamepad"===a.id||a.id.startsWith("Oculus Touch")||a.id.startsWith("HTC Vive Focus")||a.id.startsWith("Spatial Controller"))){if(r===t)return a;r++}}}function R(t,r){null!==r&&4===r.length&&t.set(r[0]*e,r[1]*n,r[2]*e,r[3]*n)}this.enabled=!1,this.getController=function(t){var e=c[t];return void 0===e&&((e=new Kt).matrixAutoUpdate=!1,e.visible=!1,c[t]=e),e},this.getDevice=function(){return i},this.setDevice=function(t){void 0!==t&&(i=t),C.setContext(t)},this.setFramebufferScaleFactor=function(t){d=t},this.setReferenceSpaceType=function(t){f=t},this.setPoseTarget=function(t){void 0!==t&&(o=t)},this.getCamera=function(t){var e="local-floor"===f?1.6:0;if(!1===M())return t.position.set(0,e,0),t.rotation.set(0,0,0),t;if(i.depthNear=t.near,i.depthFar=t.far,i.getFrameData(a),"local-floor"===f){var n=i.stageParameters;n?l.fromArray(n.sittingToStandingTransform):l.makeTranslation(0,e,0)}var r=a.pose,s=null!==o?o:t;s.matrix.copy(l),s.matrix.decompose(s.position,s.quaternion,s.scale),null!==r.orientation&&(m.fromArray(r.orientation),s.quaternion.multiply(m)),null!==r.position&&(m.setFromRotationMatrix(l),x.fromArray(r.position),x.applyQuaternion(m),s.position.add(x)),s.updateMatrixWorld(),y.near=t.near,b.near=t.near,y.far=t.far,b.far=t.far,y.matrixWorldInverse.fromArray(a.leftViewMatrix),b.matrixWorldInverse.fromArray(a.rightViewMatrix),u.getInverse(l),"local-floor"===f&&(y.matrixWorldInverse.multiply(u),b.matrixWorldInverse.multiply(u));var d=s.parent;null!==d&&(p.getInverse(d.matrixWorld),y.matrixWorldInverse.multiply(p),b.matrixWorldInverse.multiply(p)),y.matrixWorld.getInverse(y.matrixWorldInverse),b.matrixWorld.getInverse(b.matrixWorldInverse),y.projectionMatrix.fromArray(a.leftProjectionMatrix),b.projectionMatrix.fromArray(a.rightProjectionMatrix),ae(E,y,b);var h=i.getLayers();if(h.length){var g=h[0];R(y.viewport,g.leftBounds),R(b.viewport,g.rightBounds)}return function(){for(var t=0;t<c.length;t++){var e=c[t],n=A(t);if(void 0!==n&&void 0!==n.pose){if(null===n.pose)return;var r=n.pose;!1===r.hasPosition&&e.position.set(.2,-.6,-.05),null!==r.position&&e.position.fromArray(r.position),null!==r.orientation&&e.quaternion.fromArray(r.orientation),e.matrix.compose(e.position,e.quaternion,e.scale),e.matrix.premultiply(l),e.matrix.decompose(e.position,e.quaternion,e.scale),e.matrixWorldNeedsUpdate=!0,e.visible=!0;var i="Daydream Controller"===n.id?0:1;void 0===L[t]&&(L[t]=!1),L[t]!==n.buttons[i].pressed&&(L[t]=n.buttons[i].pressed,!0===L[t]?e.dispatchEvent({type:"selectstart"}):(e.dispatchEvent({type:"selectend"}),e.dispatchEvent({type:"select"})))}else e.visible=!1}}(),E},this.getStandingMatrix=function(){return l},this.isPresenting=M;var C=new _;this.setAnimationLoop=function(t){C.setAnimationLoop(t),M()&&C.start()},this.submitFrame=function(){M()&&i.submitFrame()},this.dispose=function(){"undefined"!=typeof window&&window.removeEventListener("vrdisplaypresentchange",S)},this.setFrameOfReferenceType=function(){console.warn("THREE.WebVRManager: setFrameOfReferenceType() has been deprecated.")}}function se(t){var e=this,n=t.context,r=null,i=null,a="local-floor",o=null,s=[],c=[];function l(){return null!==r&&null!==i}var u=new ee;u.layers.enable(1),u.viewport=new v.a;var d=new ee;d.layers.enable(2),d.viewport=new v.a;var f=new ne([u,d]);function p(t){for(var e=0;e<s.length;e++)c[e]===t.inputSource&&s[e].dispatchEvent({type:t.type})}function m(){t.setFramebuffer(null),t.setRenderTarget(t.getRenderTarget()),b.stop(),e.dispatchEvent({type:"sessionend"})}function g(t){i=t,b.setContext(r),b.start(),e.dispatchEvent({type:"sessionstart"})}function x(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.getInverse(t.matrixWorld)}f.layers.enable(1),f.layers.enable(2),this.enabled=!1,this.getController=function(t){var e=s[t];return void 0===e&&((e=new Kt).matrixAutoUpdate=!1,e.visible=!1,s[t]=e),e},this.setFramebufferScaleFactor=function(t){t},this.setReferenceSpaceType=function(t){a=t},this.getSession=function(){return r},this.setSession=function(t){null!==(r=t)&&(r.addEventListener("select",p),r.addEventListener("selectstart",p),r.addEventListener("selectend",p),r.addEventListener("end",m),r.updateRenderState({baseLayer:new XRWebGLLayer(r,n)}),r.requestReferenceSpace(a).then(g),c=r.inputSources,r.addEventListener("inputsourceschange",function(){c=r.inputSources,console.log(c);for(var t=0;t<s.length;t++){s[t].userData.inputSource=c[t]}}))},this.getCamera=function(t){if(l()){var e=t.parent,n=f.cameras;x(f,e);for(var r=0;r<n.length;r++)x(n[r],e);t.matrixWorld.copy(f.matrixWorld);for(var i=t.children,a=(r=0,i.length);r<a;r++)i[r].updateMatrixWorld(!0);return ae(f,u,d),f}return t},this.isPresenting=l;var y=null;var b=new _;b.setAnimationLoop(function(e,n){if(null!==(o=n.getViewerPose(i))){var a=o.views,l=r.renderState.baseLayer;t.setFramebuffer(l.framebuffer);for(var u=0;u<a.length;u++){var d=a[u],h=l.getViewport(d),p=d.transform.inverse.matrix,m=f.cameras[u];m.matrix.fromArray(p).getInverse(m.matrix),m.projectionMatrix.fromArray(d.projectionMatrix),m.viewport.set(h.x,h.y,h.width,h.height),0===u&&f.matrix.copy(m.matrix)}}for(u=0;u<s.length;u++){var g=s[u],v=c[u];if(v){var _=n.getPose(v.targetRaySpace,i);if(null!==_){g.matrix.fromArray(_.transform.matrix),g.matrix.decompose(g.position,g.rotation,g.scale),g.visible=!0;continue}}g.visible=!1}y&&y(e)}),this.setAnimationLoop=function(t){y=t},this.dispose=function(){},this.getStandingMatrix=function(){return console.warn("THREE.WebXRManager: getStandingMatrix() is no longer needed."),new h.a},this.getDevice=function(){console.warn("THREE.WebXRManager: getDevice() has been deprecated.")},this.setDevice=function(){console.warn("THREE.WebXRManager: setDevice() has been deprecated.")},this.setFrameOfReferenceType=function(){console.warn("THREE.WebXRManager: setFrameOfReferenceType() has been deprecated.")},this.submitFrame=function(){}}function ce(t){console.log("THREE.WebGLRenderer",r.REVISION);var e=void 0!==(t=t||{}).canvas?t.canvas:document.createElementNS("http://www.w3.org/1999/xhtml","canvas"),n=void 0!==t.context?t.context:null,a=void 0!==t.alpha&&t.alpha,c=void 0===t.depth||t.depth,R=void 0===t.stencil||t.stencil,C=void 0!==t.antialias&&t.antialias,P=void 0===t.premultipliedAlpha||t.premultipliedAlpha,D=void 0!==t.preserveDrawingBuffer&&t.preserveDrawingBuffer,U=void 0!==t.powerPreference?t.powerPreference:"default",N=void 0!==t.failIfMajorPerformanceCaveat&&t.failIfMajorPerformanceCaveat,F=null,I=null;this.domElement=e,this.context=null,this.debug={checkShaderErrors:!0},this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.sortObjects=!0,this.clippingPlanes=[],this.localClippingEnabled=!1,this.gammaFactor=2,this.gammaInput=!1,this.gammaOutput=!1,this.physicallyCorrectLights=!1,this.toneMapping=r.LinearToneMapping,this.toneMappingExposure=1,this.toneMappingWhitePoint=1,this.maxMorphTargets=8,this.maxMorphNormals=4;var B,O,z,V,G,H,k,W,j,X,q,Y,Z,J,Q,K,$,tt,et=this,nt=!1,rt=null,it=0,at=0,ot=null,st=null,ct=-1,lt={geometry:null,program:null,wireframe:!1},ut=null,dt=null,ht=new v.a,ft=new v.a,pt=null,mt=e.width,gt=e.height,vt=1,_t=new v.a(0,0,mt,gt),xt=new v.a(0,0,mt,gt),yt=!1,bt=new d,Et=new function(){var t=this,e=null,n=0,r=!1,i=!1,a=new u,o=new l.a,s={value:null,needsUpdate:!1};function 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null===ot?vt:1}try{var Rt={alpha:a,depth:c,stencil:R,antialias:C,premultipliedAlpha:P,preserveDrawingBuffer:D,powerPreference:U,failIfMajorPerformanceCaveat:N,xrCompatible:!0};if(e.addEventListener("webglcontextlost",Ut,!1),e.addEventListener("webglcontextrestored",Nt,!1),null===(B=n||e.getContext("webgl",Rt)||e.getContext("experimental-webgl",Rt)))throw null!==e.getContext("webgl")?new Error("Error creating WebGL context with your selected attributes."):new Error("Error creating WebGL context.");void 0===B.getShaderPrecisionFormat&&(B.getShaderPrecisionFormat=function(){return{rangeMin:1,rangeMax:1,precision:1}})}catch(t){throw console.error("THREE.WebGLRenderer: "+t.message),t}function Ct(){O=new function(t){var e={};return{get:function(n){if(void 0!==e[n])return e[n];var 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i(e){if("highp"===e){if(t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.HIGH_FLOAT).precision>0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.HIGH_FLOAT).precision>0)return"highp";e="mediump"}return"mediump"===e&&t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.MEDIUM_FLOAT).precision>0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}var a="undefined"!=typeof WebGL2RenderingContext&&t instanceof WebGL2RenderingContext,o=void 0!==n.precision?n.precision:"highp",s=i(o);s!==o&&(console.warn("THREE.WebGLRenderer:",o,"not supported, using",s,"instead."),o=s);var c=!0===n.logarithmicDepthBuffer,l=t.getParameter(t.MAX_TEXTURE_IMAGE_UNITS),u=t.getParameter(t.MAX_VERTEX_TEXTURE_IMAGE_UNITS),d=t.getParameter(t.MAX_TEXTURE_SIZE),h=t.getParameter(t.MAX_CUBE_MAP_TEXTURE_SIZE),f=t.getParameter(t.MAX_VERTEX_ATTRIBS),p=t.getParameter(t.MAX_VERTEX_UNIFORM_VECTORS),m=t.getParameter(t.MAX_VARYING_VECTORS),g=t.getParameter(t.MAX_FRAGMENT_UNIFORM_VECTORS),v=u>0,_=a||!!e.get("OES_texture_float");return{isWebGL2:a,getMaxAnisotropy:function(){if(void 0!==r)return r;var n=e.get("EXT_texture_filter_anisotropic");return 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this.uniforms.t2D.value}}),n.update(a)),a.material.uniforms.t2D.value=g,!0===g.matrixAutoUpdate&&g.updateMatrix(),a.material.uniforms.uvTransform.value.copy(g.matrix),l===g&&u===g.version||(a.material.needsUpdate=!0,l=g,u=g.version),e.unshift(a,a.geometry,a.material,0,0,null))}}}(et,V,X,P),K=new function(t,e,n,r){var i;this.setMode=function(t){i=t},this.render=function(e,r){t.drawArrays(i,e,r),n.update(r,i)},this.renderInstances=function(a,o,s){var c;if(r.isWebGL2)c=t;else if(null===(c=e.get("ANGLE_instanced_arrays")))return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");c[r.isWebGL2?"drawArraysInstanced":"drawArraysInstancedANGLE"](i,o,s,a.maxInstancedCount),n.update(s,i,a.maxInstancedCount)}}(B,O,G,z),$=new function(t,e,n,r){var i,a,o;this.setMode=function(t){i=t},this.setIndex=function(t){a=t.type,o=t.bytesPerElement},this.render=function(e,r){t.drawElements(i,r,a,e*o),n.update(r,i)},this.renderInstances=function(s,c,l){var u;if(r.isWebGL2)u=t;else if(null===(u=e.get("ANGLE_instanced_arrays")))return void console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");u[r.isWebGL2?"drawElementsInstanced":"drawElementsInstancedANGLE"](i,l,a,c*o,s.maxInstancedCount),n.update(l,i,s.maxInstancedCount)}}(B,O,G,z),G.programs=q.programs,et.context=B,et.capabilities=z,et.extensions=O,et.properties=H,et.renderLists=Y,et.state=V,et.info=G}Ct();var Pt="undefined"!=typeof navigator&&"xr"in navigator&&"supportsSession"in navigator.xr?new se(et):new oe(et);this.vr=Pt;var Dt=new function(t,e,n){for(var i=new d,a=new h.a,o=new g.Vector2,c=new g.Vector2(n,n),l=new s.Vector3,u=new s.Vector3,f=1,p=2,m=1+(f|p),_=new Array(m),x=new Array(m),y={},b={0:r.BackSide,1:r.FrontSide,2:r.DoubleSide},E=[new s.Vector3(1,0,0),new s.Vector3(-1,0,0),new s.Vector3(0,0,1),new s.Vector3(0,0,-1),new s.Vector3(0,1,0),new s.Vector3(0,-1,0)],M=[new s.Vector3(0,1,0),new s.Vector3(0,1,0),new s.Vector3(0,1,0),new s.Vector3(0,1,0),new s.Vector3(0,0,1),new s.Vector3(0,0,-1)],w=[new v.a,new v.a,new v.a,new v.a,new v.a,new v.a],T=0;T!==m;++T){var S=0!=(T&f),L=0!=(T&p),A=new Yt({depthPacking:r.RGBADepthPacking,morphTargets:S,skinning:L});_[T]=A;var R=new Zt({morphTargets:S,skinning:L});x[T]=R}var C=this;function P(e,n,r,i,a,o){var s=e.geometry,c=null,l=_,u=e.customDepthMaterial;if(r&&(l=x,u=e.customDistanceMaterial),u)c=u;else{var d=!1;n.morphTargets&&(s&&s.isBufferGeometry?d=s.morphAttributes&&s.morphAttributes.position&&s.morphAttributes.position.length>0:s&&s.isGeometry&&(d=s.morphTargets&&s.morphTargets.length>0)),e.isSkinnedMesh&&!1===n.skinning&&console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",e);var h=e.isSkinnedMesh&&n.skinning,m=0;d&&(m|=f),h&&(m|=p),c=l[m]}if(t.localClippingEnabled&&!0===n.clipShadows&&0!==n.clippingPlanes.length){var g=c.uuid,v=n.uuid,E=y[g];void 0===E&&(E={},y[g]=E);var M=E[v];void 0===M&&(M=c.clone(),E[v]=M),c=M}return c.visible=n.visible,c.wireframe=n.wireframe,c.side=null!=n.shadowSide?n.shadowSide:b[n.side],c.clipShadows=n.clipShadows,c.clippingPlanes=n.clippingPlanes,c.clipIntersection=n.clipIntersection,c.wireframeLinewidth=n.wireframeLinewidth,c.linewidth=n.linewidth,r&&c.isMeshDistanceMaterial&&(c.referencePosition.copy(i),c.nearDistance=a,c.farDistance=o),c}function D(n,r,a,o){if(!1!==n.visible){if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&n.castShadow&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,n.matrixWorld);var s=e.update(n),c=n.material;if(Array.isArray(c))for(var l=s.groups,d=0,h=l.length;d<h;d++){var f=l[d],p=c[f.materialIndex];if(p&&p.visible){var m=P(n,p,o,u,a.near,a.far);t.renderBufferDirect(a,null,s,m,n,f)}}else c.visible&&(m=P(n,c,o,u,a.near,a.far),t.renderBufferDirect(a,null,s,m,n,null))}for(var g=n.children,v=0,_=g.length;v<_;v++)D(g[v],r,a,o)}}this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=r.PCFShadowMap,this.render=function(e,n,s){if(!1!==C.enabled&&(!1!==C.autoUpdate||!1!==C.needsUpdate)&&0!==e.length){var d,h=t.getRenderTarget(),f=t.getActiveCubeFace(),p=t.getActiveMipMapLevel(),m=t.state;m.setBlending(r.NoBlending),m.buffers.color.setClear(1,1,1,1),m.buffers.depth.setTest(!0),m.setScissorTest(!1);for(var g=0,v=e.length;g<v;g++){var _=e[g],x=_.shadow,y=_&&_.isPointLight;if(void 0!==x){var b=x.camera;if(o.copy(x.mapSize),o.min(c),y){var T=o.x,S=o.y;w[0].set(2*T,S,T,S),w[1].set(0,S,T,S),w[2].set(3*T,S,T,S),w[3].set(T,S,T,S),w[4].set(3*T,0,T,S),w[5].set(T,0,T,S),o.x*=4,o.y*=2}if(null===x.map){var L={minFilter:r.NearestFilter,magFilter:r.NearestFilter,format:r.RGBAFormat};x.map=new Xt(o.x,o.y,L),x.map.texture.name=_.name+".shadowMap",b.updateProjectionMatrix()}x.isSpotLightShadow&&x.update(_);var A=x.map,R=x.matrix;u.setFromMatrixPosition(_.matrixWorld),b.position.copy(u),y?(d=6,R.makeTranslation(-u.x,-u.y,-u.z)):(d=1,l.setFromMatrixPosition(_.target.matrixWorld),b.lookAt(l),b.updateMatrixWorld(),R.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),R.multiply(b.projectionMatrix),R.multiply(b.matrixWorldInverse)),t.setRenderTarget(A),t.clear();for(var P=0;P<d;P++){if(y){l.copy(b.position),l.add(E[P]),b.up.copy(M[P]),b.lookAt(l),b.updateMatrixWorld();var U=w[P];m.viewport(U)}a.multiplyMatrices(b.projectionMatrix,b.matrixWorldInverse),i.setFromMatrix(a),D(n,s,b,y)}}else console.warn("THREE.WebGLShadowMap:",_,"has no shadow.")}C.needsUpdate=!1,t.setRenderTarget(h,f,p)}}}(et,X,z.maxTextureSize);function Ut(t){t.preventDefault(),console.log("THREE.WebGLRenderer: Context Lost."),nt=!0}function Nt(){console.log("THREE.WebGLRenderer: Context Restored."),nt=!1,Ct()}function Ft(t){var e=t.target;e.removeEventListener("dispose",Ft),function(t){It(t),H.remove(t)}(e)}function It(t){var e=H.get(t).program;t.program=void 0,void 0!==e&&q.releaseProgram(e)}this.shadowMap=Dt,this.getContext=function(){return B},this.getContextAttributes=function(){return B.getContextAttributes()},this.forceContextLoss=function(){var t=O.get("WEBGL_lose_context");t&&t.loseContext()},this.forceContextRestore=function(){var t=O.get("WEBGL_lose_context");t&&t.restoreContext()},this.getPixelRatio=function(){return vt},this.setPixelRatio=function(t){void 0!==t&&(vt=t,this.setSize(mt,gt,!1))},this.getSize=function(t){return void 0===t&&(console.warn("WebGLRenderer: .getsize() now requires a Vector2 as an argument"),t=new g.Vector2),t.set(mt,gt)},this.setSize=function(t,n,r){Pt.isPresenting()?console.warn("THREE.WebGLRenderer: Can't change size while VR device is presenting."):(mt=t,gt=n,e.width=Math.floor(t*vt),e.height=Math.floor(n*vt),!1!==r&&(e.style.width=t+"px",e.style.height=n+"px"),this.setViewport(0,0,t,n))},this.getDrawingBufferSize=function(t){return void 0===t&&(console.warn("WebGLRenderer: .getdrawingBufferSize() now requires a Vector2 as an argument"),t=new g.Vector2),t.set(mt*vt,gt*vt).floor()},this.setDrawingBufferSize=function(t,n,r){mt=t,gt=n,vt=r,e.width=Math.floor(t*r),e.height=Math.floor(n*r),this.setViewport(0,0,t,n)},this.getCurrentViewport=function(t){return void 0===t&&(console.warn("WebGLRenderer: .getCurrentViewport() now requires a Vector4 as an argument"),t=new v.a),t.copy(ht)},this.getViewport=function(t){return t.copy(_t)},this.setViewport=function(t,e,n,r){t.isVector4?_t.set(t.x,t.y,t.z,t.w):_t.set(t,e,n,r),V.viewport(ht.copy(_t).multiplyScalar(vt).floor())},this.getScissor=function(t){return t.copy(xt)},this.setScissor=function(t,e,n,r){t.isVector4?xt.set(t.x,t.y,t.z,t.w):xt.set(t,e,n,r),V.scissor(ft.copy(xt).multiplyScalar(vt).floor())},this.getScissorTest=function(){return yt},this.setScissorTest=function(t){V.setScissorTest(yt=t)},this.getClearColor=function(){return J.getClearColor()},this.setClearColor=function(){J.setClearColor.apply(J,arguments)},this.getClearAlpha=function(){return J.getClearAlpha()},this.setClearAlpha=function(){J.setClearAlpha.apply(J,arguments)},this.clear=function(t,e,n){var r=0;(void 0===t||t)&&(r|=B.COLOR_BUFFER_BIT),(void 0===e||e)&&(r|=B.DEPTH_BUFFER_BIT),(void 0===n||n)&&(r|=B.STENCIL_BUFFER_BIT),B.clear(r)},this.clearColor=function(){this.clear(!0,!1,!1)},this.clearDepth=function(){this.clear(!1,!0,!1)},this.clearStencil=function(){this.clear(!1,!1,!0)},this.dispose=function(){e.removeEventListener("webglcontextlost",Ut,!1),e.removeEventListener("webglcontextrestored",Nt,!1),Y.dispose(),Z.dispose(),H.dispose(),X.dispose(),Pt.dispose(),zt.stop()},this.renderBufferImmediate=function(t,e){V.initAttributes();var n=H.get(t);t.hasPositions&&!n.position&&(n.position=B.createBuffer()),t.hasNormals&&!n.normal&&(n.normal=B.createBuffer()),t.hasUvs&&!n.uv&&(n.uv=B.createBuffer()),t.hasColors&&!n.color&&(n.color=B.createBuffer());var r=e.getAttributes();t.hasPositions&&(B.bindBuffer(B.ARRAY_BUFFER,n.position),B.bufferData(B.ARRAY_BUFFER,t.positionArray,B.DYNAMIC_DRAW),V.enableAttribute(r.position),B.vertexAttribPointer(r.position,3,B.FLOAT,!1,0,0)),t.hasNormals&&(B.bindBuffer(B.ARRAY_BUFFER,n.normal),B.bufferData(B.ARRAY_BUFFER,t.normalArray,B.DYNAMIC_DRAW),V.enableAttribute(r.normal),B.vertexAttribPointer(r.normal,3,B.FLOAT,!1,0,0)),t.hasUvs&&(B.bindBuffer(B.ARRAY_BUFFER,n.uv),B.bufferData(B.ARRAY_BUFFER,t.uvArray,B.DYNAMIC_DRAW),V.enableAttribute(r.uv),B.vertexAttribPointer(r.uv,2,B.FLOAT,!1,0,0)),t.hasColors&&(B.bindBuffer(B.ARRAY_BUFFER,n.color),B.bufferData(B.ARRAY_BUFFER,t.colorArray,B.DYNAMIC_DRAW),V.enableAttribute(r.color),B.vertexAttribPointer(r.color,3,B.FLOAT,!1,0,0)),V.disableUnusedAttributes(),B.drawArrays(B.TRIANGLES,0,t.count),t.count=0},this.renderBufferDirect=function(t,e,n,i,a,o){var s=a.isMesh&&a.matrixWorld.determinant()<0;V.setMaterial(i,s);var c=jt(t,e,i,a),l=!1;lt.geometry===n.id&&lt.program===c.id&&lt.wireframe===(!0===i.wireframe)||(lt.geometry=n.id,lt.program=c.id,lt.wireframe=!0===i.wireframe,l=!0),a.morphTargetInfluences&&(Q.update(a,n,i,c),l=!0);var u,d=n.index,h=n.attributes.position,f=1;!0===i.wireframe&&(d=j.getWireframeAttribute(n),f=2);var p=K;null!==d&&(u=W.get(d),(p=$).setIndex(u)),l&&(!function(t,e,n){if(n&&n.isInstancedBufferGeometry&&!z.isWebGL2&&null===O.get("ANGLE_instanced_arrays"))return void console.error("THREE.WebGLRenderer.setupVertexAttributes: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");V.initAttributes();var r=n.attributes,i=e.getAttributes(),a=t.defaultAttributeValues;for(var o in i){var s=i[o];if(s>=0){var c=r[o];if(void 0!==c){var l=c.normalized,u=c.itemSize,d=W.get(c);if(void 0===d)continue;var h=d.buffer,f=d.type,p=d.bytesPerElement;if(c.isInterleavedBufferAttribute){var m=c.data,g=m.stride,v=c.offset;m&&m.isInstancedInterleavedBuffer?(V.enableAttributeAndDivisor(s,m.meshPerAttribute),void 0===n.maxInstancedCount&&(n.maxInstancedCount=m.meshPerAttribute*m.count)):V.enableAttribute(s),B.bindBuffer(B.ARRAY_BUFFER,h),B.vertexAttribPointer(s,u,f,l,g*p,v*p)}else c.isInstancedBufferAttribute?(V.enableAttributeAndDivisor(s,c.meshPerAttribute),void 0===n.maxInstancedCount&&(n.maxInstancedCount=c.meshPerAttribute*c.count)):V.enableAttribute(s),B.bindBuffer(B.ARRAY_BUFFER,h),B.vertexAttribPointer(s,u,f,l,0,0)}else if(void 0!==a){var _=a[o];if(void 0!==_)switch(_.length){case 2:B.vertexAttrib2fv(s,_);break;case 3:B.vertexAttrib3fv(s,_);break;case 4:B.vertexAttrib4fv(s,_);break;default:B.vertexAttrib1fv(s,_)}}}}V.disableUnusedAttributes()}(i,c,n),null!==d&&B.bindBuffer(B.ELEMENT_ARRAY_BUFFER,u.buffer));var m=1/0;null!==d?m=d.count:void 0!==h&&(m=h.count);var g=n.drawRange.start*f,v=n.drawRange.count*f,_=null!==o?o.start*f:0,x=null!==o?o.count*f:1/0,y=Math.max(g,_),b=Math.min(m,g+v,_+x)-1,E=Math.max(0,b-y+1);if(0!==E){if(a.isMesh)if(!0===i.wireframe)V.setLineWidth(i.wireframeLinewidth*At()),p.setMode(B.LINES);else switch(a.drawMode){case r.TrianglesDrawMode:p.setMode(B.TRIANGLES);break;case r.TriangleStripDrawMode:p.setMode(B.TRIANGLE_STRIP);break;case r.TriangleFanDrawMode:p.setMode(B.TRIANGLE_FAN)}else if(a.isLine){var M=i.linewidth;void 0===M&&(M=1),V.setLineWidth(M*At()),a.isLineSegments?p.setMode(B.LINES):a.isLineLoop?p.setMode(B.LINE_LOOP):p.setMode(B.LINE_STRIP)}else a.isPoints?p.setMode(B.POINTS):a.isSprite&&p.setMode(B.TRIANGLES);n&&n.isInstancedBufferGeometry?n.maxInstancedCount>0&&p.renderInstances(n,y,E):p.render(y,E)}},this.compile=function(t,e){(I=Z.get(t,e)).init(),t.traverse(function(t){t.isLight&&(I.pushLight(t),t.castShadow&&I.pushShadow(t))}),I.setupLights(e),t.traverse(function(e){if(e.material)if(Array.isArray(e.material))for(var n=0;n<e.material.length;n++)kt(e.material[n],t.fog,e);else kt(e.material,t.fog,e)})};var Bt=null;var zt=new _;function Vt(t,e,n,r){for(var i=0,a=t.length;i<a;i++){var o=t[i],s=o.object,c=o.geometry,l=void 0===r?o.material:r,u=o.group;if(n.isArrayCamera){dt=n;for(var d=n.cameras,h=0,f=d.length;h<f;h++){var p=d[h];s.layers.test(p.layers)&&(V.viewport(ht.copy(p.viewport)),I.setupLights(p),Ht(s,e,p,c,l,u))}}else dt=null,Ht(s,e,n,c,l,u)}}function Ht(t,e,n,r,i,a){if(t.onBeforeRender(et,e,n,r,i,a),I=Z.get(e,dt||n),t.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,t.matrixWorld),t.normalMatrix.getNormalMatrix(t.modelViewMatrix),t.isImmediateRenderObject){V.setMaterial(i);var o=jt(n,e.fog,i,t);lt.geometry=null,lt.program=null,lt.wireframe=!1,function(t,e){t.render(function(t){et.renderBufferImmediate(t,e)})}(t,o)}else et.renderBufferDirect(n,e.fog,r,i,t,a);t.onAfterRender(et,e,n,r,i,a),I=Z.get(e,dt||n)}function kt(t,e,n){var r=H.get(t),i=I.state.lights,a=I.state.shadowsArray,o=i.state.version,s=q.getParameters(t,i.state,a,e,Et.numPlanes,Et.numIntersection,n),c=q.getProgramCode(t,s),l=r.program,u=!0;if(void 0===l)t.addEventListener("dispose",Ft);else if(l.code!==c)It(t);else if(r.lightsStateVersion!==o)r.lightsStateVersion=o,u=!1;else{if(void 0!==s.shaderID)return;u=!1}if(u){if(s.shaderID){var d=f.ShaderLib[s.shaderID];r.shader={name:t.type,uniforms:Object(m.cloneUniforms)(d.uniforms),vertexShader:d.vertexShader,fragmentShader:d.fragmentShader}}else r.shader={name:t.type,uniforms:t.uniforms,vertexShader:t.vertexShader,fragmentShader:t.fragmentShader};t.onBeforeCompile(r.shader,et),c=q.getProgramCode(t,s),l=q.acquireProgram(t,r.shader,s,c),r.program=l,t.program=l}var h=l.getAttributes();if(t.morphTargets){t.numSupportedMorphTargets=0;for(var p=0;p<et.maxMorphTargets;p++)h["morphTarget"+p]>=0&&t.numSupportedMorphTargets++}if(t.morphNormals){t.numSupportedMorphNormals=0;for(p=0;p<et.maxMorphNormals;p++)h["morphNormal"+p]>=0&&t.numSupportedMorphNormals++}var g=r.shader.uniforms;(t.isShaderMaterial||t.isRawShaderMaterial)&&!0!==t.clipping||(r.numClippingPlanes=Et.numPlanes,r.numIntersection=Et.numIntersection,g.clippingPlanes=Et.uniform),r.fog=e,r.lightsStateVersion=o,t.lights&&(g.ambientLightColor.value=i.state.ambient,g.lightProbe.value=i.state.probe,g.directionalLights.value=i.state.directional,g.spotLights.value=i.state.spot,g.rectAreaLights.value=i.state.rectArea,g.pointLights.value=i.state.point,g.hemisphereLights.value=i.state.hemi,g.directionalShadowMap.value=i.state.directionalShadowMap,g.directionalShadowMatrix.value=i.state.directionalShadowMatrix,g.spotShadowMap.value=i.state.spotShadowMap,g.spotShadowMatrix.value=i.state.spotShadowMatrix,g.pointShadowMap.value=i.state.pointShadowMap,g.pointShadowMatrix.value=i.state.pointShadowMatrix);var v=r.program.getUniforms(),_=Tt.seqWithValue(v.seq,g);r.uniformsList=_}function jt(t,e,n,a){k.resetTextureUnits();var s=H.get(n),c=I.state.lights;if(Mt&&(wt||t!==ut)){var l=t===ut&&n.id===ct;Et.setState(n.clippingPlanes,n.clipIntersection,n.clipShadows,t,s,l)}!1===n.needsUpdate&&(void 0===s.program?n.needsUpdate=!0:n.fog&&s.fog!==e?n.needsUpdate=!0:n.lights&&s.lightsStateVersion!==c.state.version?n.needsUpdate=!0:void 0===s.numClippingPlanes||s.numClippingPlanes===Et.numPlanes&&s.numIntersection===Et.numIntersection||(n.needsUpdate=!0)),n.needsUpdate&&(kt(n,e,a),n.needsUpdate=!1);var u=!1,d=!1,h=!1,f=s.program,m=f.getUniforms(),g=s.shader.uniforms;if(V.useProgram(f.program)&&(u=!0,d=!0,h=!0),n.id!==ct&&(ct=n.id,d=!0),u||ut!==t){if(m.setValue(B,"projectionMatrix",t.projectionMatrix),z.logarithmicDepthBuffer&&m.setValue(B,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),ut!==t&&(ut=t,d=!0,h=!0),n.isShaderMaterial||n.isMeshPhongMaterial||n.isMeshStandardMaterial||n.envMap){var v=m.map.cameraPosition;void 0!==v&&v.setValue(B,Lt.setFromMatrixPosition(t.matrixWorld))}(n.isMeshPhongMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial||n.skinning)&&m.setValue(B,"viewMatrix",t.matrixWorldInverse)}if(n.skinning){m.setOptional(B,a,"bindMatrix"),m.setOptional(B,a,"bindMatrixInverse");var _=a.skeleton;if(_){var x=_.bones;if(z.floatVertexTextures){if(void 0===_.boneTexture){var y=Math.sqrt(4*x.length);y=i.a.ceilPowerOfTwo(y),y=Math.max(y,4);var b=new Float32Array(y*y*4);b.set(_.boneMatrices);var E=new o(b,y,y,r.RGBAFormat,r.FloatType);E.needsUpdate=!0,_.boneMatrices=b,_.boneTexture=E,_.boneTextureSize=y}m.setValue(B,"boneTexture",_.boneTexture,k),m.setValue(B,"boneTextureSize",_.boneTextureSize)}else m.setOptional(B,_,"boneMatrices")}}return d&&(m.setValue(B,"toneMappingExposure",et.toneMappingExposure),m.setValue(B,"toneMappingWhitePoint",et.toneMappingWhitePoint),n.lights&&function(t,e){t.ambientLightColor.needsUpdate=e,t.lightProbe.needsUpdate=e,t.directionalLights.needsUpdate=e,t.pointLights.needsUpdate=e,t.spotLights.needsUpdate=e,t.rectAreaLights.needsUpdate=e,t.hemisphereLights.needsUpdate=e}(g,h),e&&n.fog&&function(t,e){t.fogColor.value.copy(e.color),e.isFog?(t.fogNear.value=e.near,t.fogFar.value=e.far):e.isFogExp2&&(t.fogDensity.value=e.density)}(g,e),n.isMeshBasicMaterial?qt(g,n):n.isMeshLambertMaterial?(qt(g,n),function(t,e){e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap)}(g,n)):n.isMeshPhongMaterial?(qt(g,n),n.isMeshToonMaterial?function(t,e){Qt(t,e),e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(g,n):Qt(g,n)):n.isMeshStandardMaterial?(qt(g,n),n.isMeshPhysicalMaterial?function(t,e){Kt(t,e),t.reflectivity.value=e.reflectivity,t.clearCoat.value=e.clearCoat,t.clearCoatRoughness.value=e.clearCoatRoughness}(g,n):Kt(g,n)):n.isMeshMatcapMaterial?(qt(g,n),function(t,e){e.matcap&&(t.matcap.value=e.matcap);e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,e.side===r.BackSide&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),e.side===r.BackSide&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(g,n)):n.isMeshDepthMaterial?(qt(g,n),function(t,e){e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(g,n)):n.isMeshDistanceMaterial?(qt(g,n),function(t,e){e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias);t.referencePosition.value.copy(e.referencePosition),t.nearDistance.value=e.nearDistance,t.farDistance.value=e.farDistance}(g,n)):n.isMeshNormalMaterial?(qt(g,n),function(t,e){e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,e.side===r.BackSide&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),e.side===r.BackSide&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(g,n)):n.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity}(g,n),n.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(g,n)):n.isPointsMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*vt,t.scale.value=.5*gt,t.map.value=e.map,null!==e.map&&(!0===e.map.matrixAutoUpdate&&e.map.updateMatrix(),t.uvTransform.value.copy(e.map.matrix))}(g,n):n.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,t.map.value=e.map,null!==e.map&&(!0===e.map.matrixAutoUpdate&&e.map.updateMatrix(),t.uvTransform.value.copy(e.map.matrix))}(g,n):n.isShadowMaterial&&(g.color.value.copy(n.color),g.opacity.value=n.opacity),void 0!==g.ltc_1&&(g.ltc_1.value=p.UniformsLib.LTC_1),void 0!==g.ltc_2&&(g.ltc_2.value=p.UniformsLib.LTC_2),Tt.upload(B,s.uniformsList,g,k)),n.isShaderMaterial&&!0===n.uniformsNeedUpdate&&(Tt.upload(B,s.uniformsList,g,k),n.uniformsNeedUpdate=!1),n.isSpriteMaterial&&m.setValue(B,"center",a.center),m.setValue(B,"modelViewMatrix",a.modelViewMatrix),m.setValue(B,"normalMatrix",a.normalMatrix),m.setValue(B,"modelMatrix",a.matrixWorld),f}function qt(t,e){var n;t.opacity.value=e.opacity,e.color&&t.diffuse.value.copy(e.color),e.emissive&&t.emissive.value.copy(e.emissive).multiplyScalar(e.emissiveIntensity),e.map&&(t.map.value=e.map),e.alphaMap&&(t.alphaMap.value=e.alphaMap),e.specularMap&&(t.specularMap.value=e.specularMap),e.envMap&&(t.envMap.value=e.envMap,t.flipEnvMap.value=e.envMap.isCubeTexture?-1:1,t.reflectivity.value=e.reflectivity,t.refractionRatio.value=e.refractionRatio,t.maxMipLevel.value=H.get(e.envMap).__maxMipLevel),e.lightMap&&(t.lightMap.value=e.lightMap,t.lightMapIntensity.value=e.lightMapIntensity),e.aoMap&&(t.aoMap.value=e.aoMap,t.aoMapIntensity.value=e.aoMapIntensity),e.map?n=e.map:e.specularMap?n=e.specularMap:e.displacementMap?n=e.displacementMap:e.normalMap?n=e.normalMap:e.bumpMap?n=e.bumpMap:e.roughnessMap?n=e.roughnessMap:e.metalnessMap?n=e.metalnessMap:e.alphaMap?n=e.alphaMap:e.emissiveMap&&(n=e.emissiveMap),void 0!==n&&(n.isWebGLRenderTarget&&(n=n.texture),!0===n.matrixAutoUpdate&&n.updateMatrix(),t.uvTransform.value.copy(n.matrix))}function Qt(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4),e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap),e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,e.side===r.BackSide&&(t.bumpScale.value*=-1)),e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),e.side===r.BackSide&&t.normalScale.value.negate()),e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}function Kt(t,e){t.roughness.value=e.roughness,t.metalness.value=e.metalness,e.roughnessMap&&(t.roughnessMap.value=e.roughnessMap),e.metalnessMap&&(t.metalnessMap.value=e.metalnessMap),e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap),e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,e.side===r.BackSide&&(t.bumpScale.value*=-1)),e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),e.side===r.BackSide&&t.normalScale.value.negate()),e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias),e.envMap&&(t.envMapIntensity.value=e.envMapIntensity)}zt.setAnimationLoop(function(t){Pt.isPresenting()||Bt&&Bt(t)}),"undefined"!=typeof window&&zt.setContext(window),this.setAnimationLoop=function(t){Bt=t,Pt.setAnimationLoop(t),zt.start()},this.render=function(t,e){var n,r;if(void 0!==arguments[2]&&(console.warn("THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead."),n=arguments[2]),void 0!==arguments[3]&&(console.warn("THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead."),r=arguments[3]),e&&e.isCamera){if(!nt){lt.geometry=null,lt.program=null,lt.wireframe=!1,ct=-1,ut=null,!0===t.autoUpdate&&t.updateMatrixWorld(),null===e.parent&&e.updateMatrixWorld(),Pt.enabled&&(e=Pt.getCamera(e)),(I=Z.get(t,e)).init(),t.onBeforeRender(et,t,e,n||ot),St.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),bt.setFromMatrix(St),wt=this.localClippingEnabled,Mt=Et.init(this.clippingPlanes,wt,e),(F=Y.get(t,e)).init(),function t(e,n,r,i){if(!1===e.visible)return;var a=e.layers.test(n.layers);if(a)if(e.isGroup)r=e.renderOrder;else if(e.isLOD)!0===e.autoUpdate&&e.update(n);else if(e.isLight)I.pushLight(e),e.castShadow&&I.pushShadow(e);else if(e.isSprite){if(!e.frustumCulled||bt.intersectsSprite(e)){i&&Lt.setFromMatrixPosition(e.matrixWorld).applyMatrix4(St);var o=X.update(e),s=e.material;s.visible&&F.push(e,o,s,r,Lt.z,null)}}else if(e.isImmediateRenderObject)i&&Lt.setFromMatrixPosition(e.matrixWorld).applyMatrix4(St),F.push(e,null,e.material,r,Lt.z,null);else if((e.isMesh||e.isLine||e.isPoints)&&(e.isSkinnedMesh&&e.skeleton.update(),!e.frustumCulled||bt.intersectsObject(e))){i&&Lt.setFromMatrixPosition(e.matrixWorld).applyMatrix4(St);var o=X.update(e),s=e.material;if(Array.isArray(s))for(var c=o.groups,l=0,u=c.length;l<u;l++){var d=c[l],h=s[d.materialIndex];h&&h.visible&&F.push(e,o,h,r,Lt.z,d)}else s.visible&&F.push(e,o,s,r,Lt.z,null)}var f=e.children;for(var l=0,u=f.length;l<u;l++)t(f[l],n,r,i)}(t,e,0,et.sortObjects),!0===et.sortObjects&&F.sort(),Mt&&Et.beginShadows();var i=I.state.shadowsArray;Dt.render(i,t,e),I.setupLights(e),Mt&&Et.endShadows(),this.info.autoReset&&this.info.reset(),void 0!==n&&this.setRenderTarget(n),J.render(F,t,e,r);var a=F.opaque,o=F.transparent;if(t.overrideMaterial){var s=t.overrideMaterial;a.length&&Vt(a,t,e,s),o.length&&Vt(o,t,e,s)}else a.length&&Vt(a,t,e),o.length&&Vt(o,t,e);t.onAfterRender(et,t,e),null!==ot&&(k.updateRenderTargetMipmap(ot),k.updateMultisampleRenderTarget(ot)),V.buffers.depth.setTest(!0),V.buffers.depth.setMask(!0),V.buffers.color.setMask(!0),V.setPolygonOffset(!1),Pt.enabled&&Pt.submitFrame(),F=null,I=null}}else console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.")},this.setFramebuffer=function(t){rt!==t&&B.bindFramebuffer(B.FRAMEBUFFER,t),rt=t},this.getActiveCubeFace=function(){return it},this.getActiveMipMapLevel=function(){return at},this.getRenderTarget=function(){return ot},this.setRenderTarget=function(t,e,n){ot=t,it=e,at=n,t&&void 0===H.get(t).__webglFramebuffer&&k.setupRenderTarget(t);var r=rt,i=!1;if(t){var a=H.get(t).__webglFramebuffer;t.isWebGLRenderTargetCube?(r=a[e||0],i=!0):r=t.isWebGLMultisampleRenderTarget?H.get(t).__webglMultisampledFramebuffer:a,ht.copy(t.viewport),ft.copy(t.scissor),pt=t.scissorTest}else ht.copy(_t).multiplyScalar(vt).floor(),ft.copy(xt).multiplyScalar(vt).floor(),pt=yt;if(st!==r&&(B.bindFramebuffer(B.FRAMEBUFFER,r),st=r),V.viewport(ht),V.scissor(ft),V.setScissorTest(pt),i){var o=H.get(t.texture);B.framebufferTexture2D(B.FRAMEBUFFER,B.COLOR_ATTACHMENT0,B.TEXTURE_CUBE_MAP_POSITIVE_X+(e||0),o.__webglTexture,n||0)}},this.readRenderTargetPixels=function(t,e,n,i,a,o,s){if(t&&t.isWebGLRenderTarget){var c=H.get(t).__webglFramebuffer;if(t.isWebGLRenderTargetCube&&void 0!==s&&(c=c[s]),c){var l=!1;c!==st&&(B.bindFramebuffer(B.FRAMEBUFFER,c),l=!0);try{var u=t.texture,d=u.format,h=u.type;if(d!==r.RGBAFormat&&tt.convert(d)!==B.getParameter(B.IMPLEMENTATION_COLOR_READ_FORMAT))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!(h===r.UnsignedByteType||tt.convert(h)===B.getParameter(B.IMPLEMENTATION_COLOR_READ_TYPE)||h===r.FloatType&&(z.isWebGL2||O.get("OES_texture_float")||O.get("WEBGL_color_buffer_float"))||h===r.HalfFloatType&&(z.isWebGL2?O.get("EXT_color_buffer_float"):O.get("EXT_color_buffer_half_float"))))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");B.checkFramebufferStatus(B.FRAMEBUFFER)===B.FRAMEBUFFER_COMPLETE?e>=0&&e<=t.width-i&&n>=0&&n<=t.height-a&&B.readPixels(e,n,i,a,tt.convert(d),tt.convert(h),o):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{l&&B.bindFramebuffer(B.FRAMEBUFFER,st)}}}else console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.")},this.copyFramebufferToTexture=function(t,e,n){var r=e.image.width,i=e.image.height,a=tt.convert(e.format);k.setTexture2D(e,0),B.copyTexImage2D(B.TEXTURE_2D,n||0,a,t.x,t.y,r,i,0)},this.copyTextureToTexture=function(t,e,n,r){var i=e.image.width,a=e.image.height,o=tt.convert(n.format),s=tt.convert(n.type);k.setTexture2D(n,0),e.isDataTexture?B.texSubImage2D(B.TEXTURE_2D,r||0,t.x,t.y,i,a,o,s,e.image.data):B.texSubImage2D(B.TEXTURE_2D,r||0,t.x,t.y,o,s,e.image)},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}Object.assign(oe.prototype,jt.a.prototype),Object.assign(se.prototype,jt.a.prototype),n.d(e,"WebGLRenderer",function(){return ce})},function(t,e,n){"use strict";n.r(e);var r=n(18),i=n(27),a=n(3),o=n(9),s=n(1),c=n(12),l=n(8);function u(t){c.a.call(this),this.type="LineBasicMaterial",this.color=new l.a(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.lights=!1,this.setValues(t)}u.prototype=Object.create(c.a.prototype),u.prototype.constructor=u,u.prototype.isLineBasicMaterial=!0,u.prototype.copy=function(t){return c.a.prototype.copy.call(this,t),this.color.copy(t.color),this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this};var d=n(15),h=n(7);function f(t,e,n){1===n&&console.error("THREE.Line: parameter THREE.LinePieces no longer supported. Use THREE.LineSegments instead."),o.Object3D.call(this),this.type="Line",this.geometry=void 0!==t?t:new d.a,this.material=void 0!==e?e:new u({color:16777215*Math.random()})}function p(t,e){f.call(this,t,e),this.type="LineSegments"}f.prototype=Object.assign(Object.create(o.Object3D.prototype),{constructor:f,isLine:!0,computeLineDistances:function(){var t=new s.Vector3,e=new s.Vector3;return function(){var n=this.geometry;if(n.isBufferGeometry)if(null===n.index){for(var r=n.attributes.position,i=[0],a=1,o=r.count;a<o;a++)t.fromBufferAttribute(r,a-1),e.fromBufferAttribute(r,a),i[a]=i[a-1],i[a]+=t.distanceTo(e);n.addAttribute("lineDistance",new h.Float32BufferAttribute(i,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else if(n.isGeometry){var s=n.vertices;(i=n.lineDistances)[0]=0;for(a=1,o=s.length;a<o;a++)i[a]=i[a-1],i[a]+=s[a-1].distanceTo(s[a])}return this}}(),raycast:function(){var t=new a.a,e=new i.a,n=new r.Sphere;return function(r,i){var a=r.linePrecision,o=this.geometry,c=this.matrixWorld;if(null===o.boundingSphere&&o.computeBoundingSphere(),n.copy(o.boundingSphere),n.applyMatrix4(c),n.radius+=a,!1!==r.ray.intersectsSphere(n)){t.getInverse(c),e.copy(r.ray).applyMatrix4(t);var l=a/((this.scale.x+this.scale.y+this.scale.z)/3),u=l*l,d=new s.Vector3,h=new s.Vector3,f=new s.Vector3,p=new s.Vector3,m=this&&this.isLineSegments?2:1;if(o.isBufferGeometry){var g=o.index,v=o.attributes.position.array;if(null!==g)for(var _=g.array,x=0,y=_.length-1;x<y;x+=m){var b=_[x],E=_[x+1];if(d.fromArray(v,3*b),h.fromArray(v,3*E),!(e.distanceSqToSegment(d,h,p,f)>u))p.applyMatrix4(this.matrixWorld),(T=r.ray.origin.distanceTo(p))<r.near||T>r.far||i.push({distance:T,point:f.clone().applyMatrix4(this.matrixWorld),index:x,face:null,faceIndex:null,object:this})}else for(x=0,y=v.length/3-1;x<y;x+=m){if(d.fromArray(v,3*x),h.fromArray(v,3*x+3),!(e.distanceSqToSegment(d,h,p,f)>u))p.applyMatrix4(this.matrixWorld),(T=r.ray.origin.distanceTo(p))<r.near||T>r.far||i.push({distance:T,point:f.clone().applyMatrix4(this.matrixWorld),index:x,face:null,faceIndex:null,object:this})}}else if(o.isGeometry){var M=o.vertices,w=M.length;for(x=0;x<w-1;x+=m){var T;if(!(e.distanceSqToSegment(M[x],M[x+1],p,f)>u))p.applyMatrix4(this.matrixWorld),(T=r.ray.origin.distanceTo(p))<r.near||T>r.far||i.push({distance:T,point:f.clone().applyMatrix4(this.matrixWorld),index:x,face:null,faceIndex:null,object:this})}}}}}(),clone:function(){return new this.constructor(this.geometry,this.material).copy(this)}}),n.d(e,"LineSegments",function(){return p}),p.prototype=Object.assign(Object.create(f.prototype),{constructor:p,isLineSegments:!0,computeLineDistances:function(){var t=new s.Vector3,e=new s.Vector3;return function(){var n=this.geometry;if(n.isBufferGeometry)if(null===n.index){for(var r=n.attributes.position,i=[],a=0,o=r.count;a<o;a+=2)t.fromBufferAttribute(r,a),e.fromBufferAttribute(r,a+1),i[a]=0===a?0:i[a-1],i[a+1]=i[a]+t.distanceTo(e);n.addAttribute("lineDistance",new h.Float32BufferAttribute(i,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else if(n.isGeometry){var s=n.vertices;for(i=n.lineDistances,a=0,o=s.length;a<o;a+=2)t.copy(s[a]),e.copy(s[a+1]),i[a]=0===a?0:i[a-1],i[a+1]=i[a]+t.distanceTo(e)}return this}}()})}]);