@deck.gl/mesh-layers/dist.min.js

deck.gl layers that loads 3D meshes or scene graphs

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a<1e-6?null:(a=1/a,o*=a,s*=a,i*=a,f=Math.sin(n),c=Math.cos(n),l=1-c,h=e[0],p=e[1],m=e[2],A=e[3],u=e[4],d=e[5],B=e[6],E=e[7],g=e[8],x=e[9],M=e[10],C=e[11],v=o*o*l+c,G=s*o*l+i*f,O=i*o*l-s*f,P=o*s*l-i*f,J=s*s*l+c,K=i*s*l+o*f,V=o*i*l+s*f,_=s*i*l-o*f,Le=i*i*l+c,t[0]=h*v+u*G+g*O,t[1]=p*v+d*G+x*O,t[2]=m*v+B*G+M*O,t[3]=A*v+E*G+C*O,t[4]=h*P+u*J+g*K,t[5]=p*P+d*J+x*K,t[6]=m*P+B*J+M*K,t[7]=A*P+E*J+C*K,t[8]=h*V+u*_+g*Le,t[9]=p*V+d*_+x*Le,t[10]=m*V+B*_+M*Le,t[11]=A*V+E*_+C*Le,e!==t&&(t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t)}function Tr(t,e,n){let r=Math.sin(n),o=Math.cos(n),s=e[4],i=e[5],a=e[6],c=e[7],f=e[8],l=e[9],h=e[10],p=e[11];return e!==t&&(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[4]=s*o+f*r,t[5]=i*o+l*r,t[6]=a*o+h*r,t[7]=c*o+p*r,t[8]=f*o-s*r,t[9]=l*o-i*r,t[10]=h*o-a*r,t[11]=p*o-c*r,t}function Rr(t,e,n){let r=Math.sin(n),o=Math.cos(n),s=e[0],i=e[1],a=e[2],c=e[3],f=e[8],l=e[9],h=e[10],p=e[11];return e!==t&&(t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[0]=s*o-f*r,t[1]=i*o-l*r,t[2]=a*o-h*r,t[3]=c*o-p*r,t[8]=s*r+f*o,t[9]=i*r+l*o,t[10]=a*r+h*o,t[11]=c*r+p*o,t}function Ir(t,e,n){let r=Math.sin(n),o=Math.cos(n),s=e[0],i=e[1],a=e[2],c=e[3],f=e[4],l=e[5],h=e[6],p=e[7];return e!==t&&(t[8]=e[8],t[9]=e[9],t[10]=e[10],t[11]=e[11],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[0]=s*o+f*r,t[1]=i*o+l*r,t[2]=a*o+h*r,t[3]=c*o+p*r,t[4]=f*o-s*r,t[5]=l*o-i*r,t[6]=h*o-a*r,t[7]=p*o-c*r,t}function Sr(t,e){let n=e[0],r=e[1],o=e[2],s=e[3],i=n+n,a=r+r,c=o+o,f=n*i,l=r*i,h=r*a,p=o*i,m=o*a,A=o*c,u=s*i,d=s*a,B=s*c;return t[0]=1-h-A,t[1]=l+B,t[2]=p-d,t[3]=0,t[4]=l-B,t[5]=1-f-A,t[6]=m+u,t[7]=0,t[8]=p+d,t[9]=m-u,t[10]=1-f-h,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function Lr(t,e,n,r,o,s,i){let a=1/(n-e),c=1/(o-r),f=1/(s-i);return t[0]=s*2*a,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=s*2*c,t[6]=0,t[7]=0,t[8]=(n+e)*a,t[9]=(o+r)*c,t[10]=(i+s)*f,t[11]=-1,t[12]=0,t[13]=0,t[14]=i*s*2*f,t[15]=0,t}function Ji(t,e,n,r,o){let s=1/Math.tan(e/2);if(t[0]=s/n,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=s,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,o!=null&&o!==1/0){let i=1/(r-o);t[10]=(o+r)*i,t[14]=2*o*r*i}else t[10]=-1,t[14]=-2*r;return t}var Fr=Ji;function Ki(t,e,n,r,o,s,i){let a=1/(e-n),c=1/(r-o),f=1/(s-i);return t[0]=-2*a,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*c,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*f,t[11]=0,t[12]=(e+n)*a,t[13]=(o+r)*c,t[14]=(i+s)*f,t[15]=1,t}var Dr=Ki;function vr(t,e,n,r){let o,s,i,a,c,f,l,h,p,m,A=e[0],u=e[1],d=e[2],B=r[0],E=r[1],g=r[2],x=n[0],M=n[1],C=n[2];return Math.abs(A-x)<1e-6&&Math.abs(u-M)<1e-6&&Math.abs(d-C)<1e-6?Hi(t):(h=A-x,p=u-M,m=d-C,o=1/Math.sqrt(h*h+p*p+m*m),h*=o,p*=o,m*=o,s=E*m-g*p,i=g*h-B*m,a=B*p-E*h,o=Math.sqrt(s*s+i*i+a*a),o?(o=1/o,s*=o,i*=o,a*=o):(s=0,i=0,a=0),c=p*a-m*i,f=m*s-h*a,l=h*i-p*s,o=Math.sqrt(c*c+f*f+l*l),o?(o=1/o,c*=o,f*=o,l*=o):(c=0,f=0,l=0),t[0]=s,t[1]=c,t[2]=h,t[3]=0,t[4]=i,t[5]=f,t[6]=p,t[7]=0,t[8]=a,t[9]=l,t[10]=m,t[11]=0,t[12]=-(s*A+i*u+a*d),t[13]=-(c*A+f*u+l*d),t[14]=-(h*A+p*u+m*d),t[15]=1,t)}function Vi(){let t=new S(4);return S!=Float32Array&&(t[0]=0,t[1]=0,t[2]=0,t[3]=0),t}function Gr(t,e,n){return t[0]=e[0]+n[0],t[1]=e[1]+n[1],t[2]=e[2]+n[2],t[3]=e[3]+n[3],t}function Or(t,e,n){return t[0]=e[0]*n,t[1]=e[1]*n,t[2]=e[2]*n,t[3]=e[3]*n,t}function Pr(t){let e=t[0],n=t[1],r=t[2],o=t[3];return Math.sqrt(e*e+n*n+r*r+o*o)}function wr(t){let e=t[0],n=t[1],r=t[2],o=t[3];return e*e+n*n+r*r+o*o}function Nr(t,e){let n=e[0],r=e[1],o=e[2],s=e[3],i=n*n+r*r+o*o+s*s;return i>0&&(i=1/Math.sqrt(i)),t[0]=n*i,t[1]=r*i,t[2]=o*i,t[3]=s*i,t}function Ur(t,e){return t[0]*e[0]+t[1]*e[1]+t[2]*e[2]+t[3]*e[3]}function Hr(t,e,n,r){let o=e[0],s=e[1],i=e[2],a=e[3];return t[0]=o+r*(n[0]-o),t[1]=s+r*(n[1]-s),t[2]=i+r*(n[2]-i),t[3]=a+r*(n[3]-a),t}function Jr(t,e,n){let r=e[0],o=e[1],s=e[2],i=e[3];return t[0]=n[0]*r+n[4]*o+n[8]*s+n[12]*i,t[1]=n[1]*r+n[5]*o+n[9]*s+n[13]*i,t[2]=n[2]*r+n[6]*o+n[10]*s+n[14]*i,t[3]=n[3]*r+n[7]*o+n[11]*s+n[15]*i,t}function Kr(t,e,n){let r=e[0],o=e[1],s=e[2],i=n[0],a=n[1],c=n[2],f=n[3],l=f*r+a*s-c*o,h=f*o+c*r-i*s,p=f*s+i*o-a*r,m=-i*r-a*o-c*s;return t[0]=l*f+m*-i+h*-c-p*-a,t[1]=h*f+m*-a+p*-i-l*-c,t[2]=p*f+m*-c+l*-a-h*-i,t[3]=e[3],t}var Lh=function(){let t=Vi();return function(e,n,r,o,s,i){let a,c;for(n||(n=4),r||(r=0),o?c=Math.min(o*n+r,e.length):c=e.length,a=r;a<c;a+=n)t[0]=e[a],t[1]=e[a+1],t[2]=e[a+2],t[3]=e[a+3],s(t,t,i),e[a]=t[0],e[a+1]=t[1],e[a+2]=t[2],e[a+3]=t[3];return e}}();var zt;(function(t){t[t.COL0ROW0=0]="COL0ROW0",t[t.COL0ROW1=1]="COL0ROW1",t[t.COL0ROW2=2]="COL0ROW2",t[t.COL0ROW3=3]="COL0ROW3",t[t.COL1ROW0=4]="COL1ROW0",t[t.COL1ROW1=5]="COL1ROW1",t[t.COL1ROW2=6]="COL1ROW2",t[t.COL1ROW3=7]="COL1ROW3",t[t.COL2ROW0=8]="COL2ROW0",t[t.COL2ROW1=9]="COL2ROW1",t[t.COL2ROW2=10]="COL2ROW2",t[t.COL2ROW3=11]="COL2ROW3",t[t.COL3ROW0=12]="COL3ROW0",t[t.COL3ROW1=13]="COL3ROW1",t[t.COL3ROW2=14]="COL3ROW2",t[t.COL3ROW3=15]="COL3ROW3"})(zt||(zt={}));var ji=45*Math.PI/180,ki=1,jt=.1,kt=500,zi=Object.freeze([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),q=class extends st{static get IDENTITY(){return Qi()}static get ZERO(){return Yi()}get ELEMENTS(){return 16}get RANK(){return 4}get INDICES(){return zt}constructor(e){super(-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0),arguments.length===1&&Array.isArray(e)?this.copy(e):this.identity()}copy(e){return this[0]=e[0],this[1]=e[1],this[2]=e[2],this[3]=e[3],this[4]=e[4],this[5]=e[5],this[6]=e[6],this[7]=e[7],this[8]=e[8],this[9]=e[9],this[10]=e[10],this[11]=e[11],this[12]=e[12],this[13]=e[13],this[14]=e[14],this[15]=e[15],this.check()}set(e,n,r,o,s,i,a,c,f,l,h,p,m,A,u,d){return this[0]=e,this[1]=n,this[2]=r,this[3]=o,this[4]=s,this[5]=i,this[6]=a,this[7]=c,this[8]=f,this[9]=l,this[10]=h,this[11]=p,this[12]=m,this[13]=A,this[14]=u,this[15]=d,this.check()}setRowMajor(e,n,r,o,s,i,a,c,f,l,h,p,m,A,u,d){return this[0]=e,this[1]=s,this[2]=f,this[3]=m,this[4]=n,this[5]=i,this[6]=l,this[7]=A,this[8]=r,this[9]=a,this[10]=h,this[11]=u,this[12]=o,this[13]=c,this[14]=p,this[15]=d,this.check()}toRowMajor(e){return e[0]=this[0],e[1]=this[4],e[2]=this[8],e[3]=this[12],e[4]=this[1],e[5]=this[5],e[6]=this[9],e[7]=this[13],e[8]=this[2],e[9]=this[6],e[10]=this[10],e[11]=this[14],e[12]=this[3],e[13]=this[7],e[14]=this[11],e[15]=this[15],e}identity(){return this.copy(zi)}fromObject(e){return this.check()}fromQuaternion(e){return Sr(this,e),this.check()}frustum(e){let{left:n,right:r,bottom:o,top:s,near:i=jt,far:a=kt}=e;return a===1/0?Wi(this,n,r,o,s,i):Lr(this,n,r,o,s,i,a),this.check()}lookAt(e){let{eye:n,center:r=[0,0,0],up:o=[0,1,0]}=e;return vr(this,n,r,o),this.check()}ortho(e){let{left:n,right:r,bottom:o,top:s,near:i=jt,far:a=kt}=e;return Dr(this,n,r,o,s,i,a),this.check()}orthographic(e){let{fovy:n=ji,aspect:r=ki,focalDistance:o=1,near:s=jt,far:i=kt}=e;Vr(n);let a=n/2,c=o*Math.tan(a),f=c*r;return this.ortho({left:-f,right:f,bottom:-c,top:c,near:s,far:i})}perspective(e){let{fovy:n=45*Math.PI/180,aspect:r=1,near:o=.1,far:s=500}=e;return Vr(n),Fr(this,n,r,o,s),this.check()}determinant(){return Er(this)}getScale(e=[-0,-0,-0]){return e[0]=Math.sqrt(this[0]*this[0]+this[1]*this[1]+this[2]*this[2]),e[1]=Math.sqrt(this[4]*this[4]+this[5]*this[5]+this[6]*this[6]),e[2]=Math.sqrt(this[8]*this[8]+this[9]*this[9]+this[10]*this[10]),e}getTranslation(e=[-0,-0,-0]){return e[0]=this[12],e[1]=this[13],e[2]=this[14],e}getRotation(e,n){e=e||[-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0],n=n||[-0,-0,-0];let r=this.getScale(n),o=1/r[0],s=1/r[1],i=1/r[2];return e[0]=this[0]*o,e[1]=this[1]*s,e[2]=this[2]*i,e[3]=0,e[4]=this[4]*o,e[5]=this[5]*s,e[6]=this[6]*i,e[7]=0,e[8]=this[8]*o,e[9]=this[9]*s,e[10]=this[10]*i,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}getRotationMatrix3(e,n){e=e||[-0,-0,-0,-0,-0,-0,-0,-0,-0],n=n||[-0,-0,-0];let r=this.getScale(n),o=1/r[0],s=1/r[1],i=1/r[2];return e[0]=this[0]*o,e[1]=this[1]*s,e[2]=this[2]*i,e[3]=this[4]*o,e[4]=this[5]*s,e[5]=this[6]*i,e[6]=this[8]*o,e[7]=this[9]*s,e[8]=this[10]*i,e}transpose(){return Mr(this,this),this.check()}invert(){return Cr(this,this),this.check()}multiplyLeft(e){return Xt(this,e,this),this.check()}multiplyRight(e){return Xt(this,this,e),this.check()}rotateX(e){return Tr(this,this,e),this.check()}rotateY(e){return Rr(this,this,e),this.check()}rotateZ(e){return Ir(this,this,e),this.check()}rotateXYZ(e){return this.rotateX(e[0]).rotateY(e[1]).rotateZ(e[2])}rotateAxis(e,n){return yr(this,this,e,n),this.check()}scale(e){return _r(this,this,Array.isArray(e)?e:[e,e,e]),this.check()}translate(e){return br(this,this,e),this.check()}transform(e,n){return e.length===4?(n=Jr(n||[-0,-0,-0,-0],e,this),Ae(n,4),n):this.transformAsPoint(e,n)}transformAsPoint(e,n){let{length:r}=e,o;switch(r){case 2:o=lr(n||[-0,-0],e,this);break;case 3:o=rt(n||[-0,-0,-0],e,this);break;default:throw new Error("Illegal vector")}return Ae(o,e.length),o}transformAsVector(e,n){let r;switch(e.length){case 2:r=hr(n||[-0,-0],e,this);break;case 3:r=pr(n||[-0,-0,-0],e,this);break;default:throw new Error("Illegal vector")}return Ae(r,e.length),r}transformPoint(e,n){return this.transformAsPoint(e,n)}transformVector(e,n){return this.transformAsPoint(e,n)}transformDirection(e,n){return this.transformAsVector(e,n)}makeRotationX(e){return this.identity().rotateX(e)}makeTranslation(e,n,r){return this.identity().translate([e,n,r])}},it,at;function Yi(){return it||(it=new q([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]),Object.freeze(it)),it}function Qi(){return at||(at=new q,Object.freeze(at)),at}function Vr(t){if(t>Math.PI*2)throw Error("expected radians")}function Wi(t,e,n,r,o,s){let i=2*s/(n-e),a=2*s/(o-r),c=(n+e)/(n-e),f=(o+r)/(o-r),l=-1,h=-1,p=-2*s;return t[0]=i,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=a,t[6]=0,t[7]=0,t[8]=c,t[9]=f,t[10]=l,t[11]=h,t[12]=0,t[13]=0,t[14]=p,t[15]=0,t}function Xr(){let t=new S(4);return S!=Float32Array&&(t[0]=0,t[1]=0,t[2]=0),t[3]=1,t}function jr(t){return t[0]=0,t[1]=0,t[2]=0,t[3]=1,t}function Yt(t,e,n){n=n*.5;let r=Math.sin(n);return t[0]=r*e[0],t[1]=r*e[1],t[2]=r*e[2],t[3]=Math.cos(n),t}function Qt(t,e,n){let r=e[0],o=e[1],s=e[2],i=e[3],a=n[0],c=n[1],f=n[2],l=n[3];return t[0]=r*l+i*a+o*f-s*c,t[1]=o*l+i*c+s*a-r*f,t[2]=s*l+i*f+r*c-o*a,t[3]=i*l-r*a-o*c-s*f,t}function kr(t,e,n){n*=.5;let r=e[0],o=e[1],s=e[2],i=e[3],a=Math.sin(n),c=Math.cos(n);return t[0]=r*c+i*a,t[1]=o*c+s*a,t[2]=s*c-o*a,t[3]=i*c-r*a,t}function zr(t,e,n){n*=.5;let r=e[0],o=e[1],s=e[2],i=e[3],a=Math.sin(n),c=Math.cos(n);return t[0]=r*c-s*a,t[1]=o*c+i*a,t[2]=s*c+r*a,t[3]=i*c-o*a,t}function Yr(t,e,n){n*=.5;let r=e[0],o=e[1],s=e[2],i=e[3],a=Math.sin(n),c=Math.cos(n);return t[0]=r*c+o*a,t[1]=o*c-r*a,t[2]=s*c+i*a,t[3]=i*c-s*a,t}function Qr(t,e){let n=e[0],r=e[1],o=e[2];return t[0]=n,t[1]=r,t[2]=o,t[3]=Math.sqrt(Math.abs(1-n*n-r*r-o*o)),t}function ve(t,e,n,r){let o=e[0],s=e[1],i=e[2],a=e[3],c=n[0],f=n[1],l=n[2],h=n[3],p,m,A,u,d;return p=o*c+s*f+i*l+a*h,p<0&&(p=-p,c=-c,f=-f,l=-l,h=-h),1-p>1e-6?(m=Math.acos(p),d=Math.sin(m),A=Math.sin((1-r)*m)/d,u=Math.sin(r*m)/d):(A=1-r,u=r),t[0]=A*o+u*c,t[1]=A*s+u*f,t[2]=A*i+u*l,t[3]=A*a+u*h,t}function Wr(t,e){let n=e[0],r=e[1],o=e[2],s=e[3],i=n*n+r*r+o*o+s*s,a=i?1/i:0;return t[0]=-n*a,t[1]=-r*a,t[2]=-o*a,t[3]=s*a,t}function qr(t,e){return t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=e[3],t}function Wt(t,e){let n=e[0]+e[4]+e[8],r;if(n>0)r=Math.sqrt(n+1),t[3]=.5*r,r=.5/r,t[0]=(e[5]-e[7])*r,t[1]=(e[6]-e[2])*r,t[2]=(e[1]-e[3])*r;else{let o=0;e[4]>e[0]&&(o=1),e[8]>e[o*3+o]&&(o=2);let s=(o+1)%3,i=(o+2)%3;r=Math.sqrt(e[o*3+o]-e[s*3+s]-e[i*3+i]+1),t[o]=.5*r,r=.5/r,t[3]=(e[s*3+i]-e[i*3+s])*r,t[s]=(e[s*3+o]+e[o*3+s])*r,t[i]=(e[i*3+o]+e[o*3+i])*r}return t}var Zr=Gr;var $r=Or,eo=Ur,to=Hr,no=Pr;var ro=wr;var oo=Nr;var so=function(){let t=Kt(),e=Vt(1,0,0),n=Vt(0,1,0);return function(r,o,s){let i=dr(o,s);return i<-.999999?(nt(t,e,o),Br(t)<1e-6&&nt(t,n,o),ur(t,t),Yt(r,t,Math.PI),r):i>.999999?(r[0]=0,r[1]=0,r[2]=0,r[3]=1,r):(nt(t,o,s),r[0]=t[0],r[1]=t[1],r[2]=t[2],r[3]=1+i,oo(r,r))}}(),Xh=function(){let t=Xr(),e=Xr();return function(n,r,o,s,i,a){return ve(t,r,i,a),ve(e,o,s,a),ve(n,t,e,2*a*(1-a)),n}}(),jh=function(){let t=xr();return function(e,n,r,o){return t[0]=r[0],t[3]=r[1],t[6]=r[2],t[1]=o[0],t[4]=o[1],t[7]=o[2],t[2]=-n[0],t[5]=-n[1],t[8]=-n[2],oo(e,Wt(e,t))}}();var qi=[0,0,0,1],Ge=class extends ee{constructor(e=0,n=0,r=0,o=1){super(-0,-0,-0,-0),Array.isArray(e)&&arguments.length===1?this.copy(e):this.set(e,n,r,o)}copy(e){return this[0]=e[0],this[1]=e[1],this[2]=e[2],this[3]=e[3],this.check()}set(e,n,r,o){return this[0]=e,this[1]=n,this[2]=r,this[3]=o,this.check()}fromObject(e){return this[0]=e.x,this[1]=e.y,this[2]=e.z,this[3]=e.w,this.check()}fromMatrix3(e){return Wt(this,e),this.check()}fromAxisRotation(e,n){return Yt(this,e,n),this.check()}identity(){return jr(this),this.check()}setAxisAngle(e,n){return this.fromAxisRotation(e,n)}get ELEMENTS(){return 4}get x(){return this[0]}set x(e){this[0]=y(e)}get y(){return this[1]}set y(e){this[1]=y(e)}get z(){return this[2]}set z(e){this[2]=y(e)}get w(){return this[3]}set w(e){this[3]=y(e)}len(){return no(this)}lengthSquared(){return ro(this)}dot(e){return eo(this,e)}rotationTo(e,n){return so(this,e,n),this.check()}add(e){return Zr(this,this,e),this.check()}calculateW(){return Qr(this,this),this.check()}conjugate(){return qr(this,this),this.check()}invert(){return Wr(this,this),this.check()}lerp(e,n,r){return r===void 0?this.lerp(this,e,n):(to(this,e,n,r),this.check())}multiplyRight(e){return Qt(this,this,e),this.check()}multiplyLeft(e){return Qt(this,e,this),this.check()}normalize(){let e=this.len(),n=e>0?1/e:0;return this[0]=this[0]*n,this[1]=this[1]*n,this[2]=this[2]*n,this[3]=this[3]*n,e===0&&(this[3]=1),this.check()}rotateX(e){return kr(this,this,e),this.check()}rotateY(e){return zr(this,this,e),this.check()}rotateZ(e){return Yr(this,this,e),this.check()}scale(e){return $r(this,this,e),this.check()}slerp(e,n,r){let o,s,i;switch(arguments.length){case 1:({start:o=qi,target:s,ratio:i}=e);break;case 2:o=this,s=e,i=n;break;default:o=e,s=n,i=r}return ve(this,o,s,i),this.check()}transformVector4(e,n=new ue){return Kr(n,e,this),Ae(n,4)}lengthSq(){return this.lengthSquared()}setFromAxisAngle(e,n){return this.setAxisAngle(e,n)}premultiply(e){return this.multiplyLeft(e)}multiply(e){return this.multiplyRight(e)}};var ao=F(oe(),1);var qt=`precision highp int;

// #if (defined(SHADER_TYPE_FRAGMENT) && defined(LIGHTING_FRAGMENT)) || (defined(SHADER_TYPE_VERTEX) && defined(LIGHTING_VERTEX))
struct AmbientLight {
  vec3 color;
};

struct PointLight {
  vec3 color;
  vec3 position;
  vec3 attenuation; // 2nd order x:Constant-y:Linear-z:Exponential
};

struct DirectionalLight {
  vec3 color;
  vec3 direction;
};

uniform lightingUniforms {
  int enabled;
  int lightType;

  int directionalLightCount;
  int pointLightCount;

  vec3 ambientColor;

  vec3 lightColor0;
  vec3 lightPosition0;
  vec3 lightDirection0;
  vec3 lightAttenuation0;

  vec3 lightColor1;
  vec3 lightPosition1;
  vec3 lightDirection1;
  vec3 lightAttenuation1;

  vec3 lightColor2;
  vec3 lightPosition2;
  vec3 lightDirection2;
  vec3 lightAttenuation2;
} lighting;

PointLight lighting_getPointLight(int index) {
  switch (index) {
    case 0:
      return PointLight(lighting.lightColor0, lighting.lightPosition0, lighting.lightAttenuation0);
    case 1:
      return PointLight(lighting.lightColor1, lighting.lightPosition1, lighting.lightAttenuation1);
    case 2:
    default:  
      return PointLight(lighting.lightColor2, lighting.lightPosition2, lighting.lightAttenuation2);
  }
}

DirectionalLight lighting_getDirectionalLight(int index) {
  switch (index) {
    case 0:
      return DirectionalLight(lighting.lightColor0, lighting.lightDirection0);
    case 1:
      return DirectionalLight(lighting.lightColor1, lighting.lightDirection1);
    case 2:
    default:   
      return DirectionalLight(lighting.lightColor2, lighting.lightDirection2);
  }
} 

float getPointLightAttenuation(PointLight pointLight, float distance) {
  return pointLight.attenuation.x
       + pointLight.attenuation.y * distance
       + pointLight.attenuation.z * distance * distance;
}

// #endif
`;var io=`// #if (defined(SHADER_TYPE_FRAGMENT) && defined(LIGHTING_FRAGMENT)) || (defined(SHADER_TYPE_VERTEX) && defined(LIGHTING_VERTEX))
struct AmbientLight {
  color: vec3<f32>,
};

struct PointLight {
  color: vec3<f32>,
  position: vec3<f32>,
  attenuation: vec3<f32>, // 2nd order x:Constant-y:Linear-z:Exponential
};

struct DirectionalLight {
  color: vec3<f32>,
  direction: vec3<f32>,
};

struct lightingUniforms {
  enabled: i32,
  pointLightCount: i32,
  directionalLightCount: i32,

  ambientColor: vec3<f32>,

  // TODO - support multiple lights by uncommenting arrays below
  lightType: i32,
  lightColor: vec3<f32>,
  lightDirection: vec3<f32>,
  lightPosition: vec3<f32>,
  lightAttenuation: vec3<f32>,

  // AmbientLight ambientLight;
  // PointLight pointLight[MAX_LIGHTS];
  // DirectionalLight directionalLight[MAX_LIGHTS];
};

// Binding 0:1 is reserved for lighting (Note: could go into separate bind group as it is stable across draw calls)
@binding(1) @group(0) var<uniform> lighting : lightingUniforms;

fn lighting_getPointLight(index: i32) -> PointLight {
  return PointLight(lighting.lightColor, lighting.lightPosition, lighting.lightAttenuation);
}

fn lighting_getDirectionalLight(index: i32) -> DirectionalLight {
  return DirectionalLight(lighting.lightColor, lighting.lightDirection);
} 

fn getPointLightAttenuation(pointLight: PointLight, distance: f32) -> f32 {
  return pointLight.attenuation.x
       + pointLight.attenuation.y * distance
       + pointLight.attenuation.z * distance * distance;
}
`;var Zi=5,$i=255,Oe;(function(t){t[t.POINT=0]="POINT",t[t.DIRECTIONAL=1]="DIRECTIONAL"})(Oe||(Oe={}));var se={props:{},uniforms:{},name:"lighting",defines:{},uniformTypes:{enabled:"i32",lightType:"i32",directionalLightCount:"i32",pointLightCount:"i32",ambientColor:"vec3<f32>",lightColor0:"vec3<f32>",lightPosition0:"vec3<f32>",lightDirection0:"vec3<f32>",lightAttenuation0:"vec3<f32>",lightColor1:"vec3<f32>",lightPosition1:"vec3<f32>",lightDirection1:"vec3<f32>",lightAttenuation1:"vec3<f32>",lightColor2:"vec3<f32>",lightPosition2:"vec3<f32>",lightDirection2:"vec3<f32>",lightAttenuation2:"vec3<f32>"},defaultUniforms:{enabled:1,lightType:Oe.POINT,directionalLightCount:0,pointLightCount:0,ambientColor:[.1,.1,.1],lightColor0:[1,1,1],lightPosition0:[1,1,2],lightDirection0:[1,1,1],lightAttenuation0:[1,0,0],lightColor1:[1,1,1],lightPosition1:[1,1,2],lightDirection1:[1,1,1],lightAttenuation1:[1,0,0],lightColor2:[1,1,1],lightPosition2:[1,1,2],lightDirection2:[1,1,1],lightAttenuation2:[1,0,0]},source:io,vs:qt,fs:qt,getUniforms:ea};function ea(t,e={}){if(t=t&&{...t},!t)return{...se.defaultUniforms};t.lights&&(t={...t,...na(t.lights),lights:void 0});let{ambientLight:n,pointLights:r,directionalLights:o}=t||{};if(!(n||r&&r.length>0||o&&o.length>0))return{...se.defaultUniforms,enabled:0};let i={...se.defaultUniforms,...e,...ta({ambientLight:n,pointLights:r,directionalLights:o})};return t.enabled!==void 0&&(i.enabled=t.enabled?1:0),i}function ta({ambientLight:t,pointLights:e=[],directionalLights:n=[]}){let r={};r.ambientColor=Zt(t);let o=0;for(let s of e){r.lightType=Oe.POINT;let i=o;r[`lightColor${i}`]=Zt(s),r[`lightPosition${i}`]=s.position,r[`lightAttenuation${i}`]=s.attenuation||[1,0,0],o++}for(let s of n){r.lightType=Oe.DIRECTIONAL;let i=o;r[`lightColor${i}`]=Zt(s),r[`lightDirection${i}`]=s.direction,o++}return o>Zi&&ao.log.warn("MAX_LIGHTS exceeded")(),r.directionalLightCount=n.length,r.pointLightCount=e.length,r}function na(t){let e={pointLights:[],directionalLights:[]};for(let n of t||[])switch(n.type){case"ambient":e.ambientLight=n;break;case"directional":e.directionalLights?.push(n);break;case"point":e.pointLights?.push(n);break;default:}return e}function Zt(t={}){let{color:e=[0,0,0],intensity:n=1}=t;return e.map(r=>r*n/$i)}var co=`uniform phongMaterialUniforms {
  uniform float ambient;
  uniform float diffuse;
  uniform float shininess;
  uniform vec3  specularColor;
} material;
`,fo=`#define MAX_LIGHTS 3

uniform phongMaterialUniforms {
  uniform float ambient;
  uniform float diffuse;
  uniform float shininess;
  uniform vec3  specularColor;
} material;

vec3 lighting_getLightColor(vec3 surfaceColor, vec3 light_direction, vec3 view_direction, vec3 normal_worldspace, vec3 color) {
  vec3 halfway_direction = normalize(light_direction + view_direction);
  float lambertian = dot(light_direction, normal_worldspace);
  float specular = 0.0;
  if (lambertian > 0.0) {
    float specular_angle = max(dot(normal_worldspace, halfway_direction), 0.0);
    specular = pow(specular_angle, material.shininess);
  }
  lambertian = max(lambertian, 0.0);
  return (lambertian * material.diffuse * surfaceColor + specular * material.specularColor) * color;
}

vec3 lighting_getLightColor(vec3 surfaceColor, vec3 cameraPosition, vec3 position_worldspace, vec3 normal_worldspace) {
  vec3 lightColor = surfaceColor;

  if (lighting.enabled == 0) {
    return lightColor;
  }

  vec3 view_direction = normalize(cameraPosition - position_worldspace);
  lightColor = material.ambient * surfaceColor * lighting.ambientColor;

  for (int i = 0; i < lighting.pointLightCount; i++) {
    PointLight pointLight = lighting_getPointLight(i);
    vec3 light_position_worldspace = pointLight.position;
    vec3 light_direction = normalize(light_position_worldspace - position_worldspace);
    float light_attenuation = getPointLightAttenuation(pointLight, distance(light_position_worldspace, position_worldspace));
    lightColor += lighting_getLightColor(surfaceColor, light_direction, view_direction, normal_worldspace, pointLight.color / light_attenuation);
  }

  int totalLights = min(MAX_LIGHTS, lighting.pointLightCount + lighting.directionalLightCount);
  for (int i = lighting.pointLightCount; i < totalLights; i++) {
    DirectionalLight directionalLight = lighting_getDirectionalLight(i);
    lightColor += lighting_getLightColor(surfaceColor, -directionalLight.direction, view_direction, normal_worldspace, directionalLight.color);
  }
  
  return lightColor;
}
`;var lo=`struct phongMaterialUniforms {
  ambient: f32,
  diffuse: f32,
  shininess: f32,
  specularColor: vec3<f32>,
};

@binding(2) @group(0) var<uniform> phongMaterial : phongMaterialUniforms;

fn lighting_getLightColor(surfaceColor: vec3<f32>, light_direction: vec3<f32>, view_direction: vec3<f32>, normal_worldspace: vec3<f32>, color: vec3<f32>) -> vec3<f32> {
  let halfway_direction: vec3<f32> = normalize(light_direction + view_direction);
  var lambertian: f32 = dot(light_direction, normal_worldspace);
  var specular: f32 = 0.0;
  if (lambertian > 0.0) {
    let specular_angle = max(dot(normal_worldspace, halfway_direction), 0.0);
    specular = pow(specular_angle, phongMaterial.shininess);
  }
  lambertian = max(lambertian, 0.0);
  return (lambertian * phongMaterial.diffuse * surfaceColor + specular * phongMaterial.specularColor) * color;
}

fn lighting_getLightColor2(surfaceColor: vec3<f32>, cameraPosition: vec3<f32>, position_worldspace: vec3<f32>, normal_worldspace: vec3<f32>) -> vec3<f32> {
  var lightColor: vec3<f32> = surfaceColor;

  if (lighting.enabled == 0) {
    return lightColor;
  }

  let view_direction: vec3<f32> = normalize(cameraPosition - position_worldspace);
  lightColor = phongMaterial.ambient * surfaceColor * lighting.ambientColor;

  if (lighting.lightType == 0) {
    let pointLight: PointLight  = lighting_getPointLight(0);
    let light_position_worldspace: vec3<f32> = pointLight.position;
    let light_direction: vec3<f32> = normalize(light_position_worldspace - position_worldspace);
    lightColor += lighting_getLightColor(surfaceColor, light_direction, view_direction, normal_worldspace, pointLight.color);
  } else if (lighting.lightType == 1) {
    var directionalLight: DirectionalLight = lighting_getDirectionalLight(0);
    lightColor += lighting_getLightColor(surfaceColor, -directionalLight.direction, view_direction, normal_worldspace, directionalLight.color);
  }
  
  return lightColor;
  /*
  for (int i = 0; i < MAX_LIGHTS; i++) {
    if (i >= lighting.pointLightCount) {
      break;
    }
    PointLight pointLight = lighting.pointLight[i];
    vec3 light_position_worldspace = pointLight.position;
    vec3 light_direction = normalize(light_position_worldspace - position_worldspace);
    lightColor += lighting_getLightColor(surfaceColor, light_direction, view_direction, normal_worldspace, pointLight.color);
  }

  for (int i = 0; i < MAX_LIGHTS; i++) {
    if (i >= lighting.directionalLightCount) {
      break;
    }
    DirectionalLight directionalLight = lighting.directionalLight[i];
    lightColor += lighting_getLightColor(surfaceColor, -directionalLight.direction, view_direction, normal_worldspace, directionalLight.color);
  }
  */
}

fn lighting_getSpecularLightColor(cameraPosition: vec3<f32>, position_worldspace: vec3<f32>, normal_worldspace: vec3<f32>) -> vec3<f32>{
  var lightColor = vec3<f32>(0, 0, 0);
  let surfaceColor = vec3<f32>(0, 0, 0);

  if (lighting.enabled == 0) {
    let view_direction = normalize(cameraPosition - position_worldspace);

    switch (lighting.lightType) {
      case 0, default: {
        let pointLight: PointLight = lighting_getPointLight(0);
        let light_position_worldspace: vec3<f32> = pointLight.position;
        let light_direction: vec3<f32> = normalize(light_position_worldspace - position_worldspace);
        lightColor += lighting_getLightColor(surfaceColor, light_direction, view_direction, normal_worldspace, pointLight.color);
      }
      case 1: {
        let directionalLight: DirectionalLight = lighting_getDirectionalLight(0);
        lightColor += lighting_getLightColor(surfaceColor, -directionalLight.direction, view_direction, normal_worldspace, directionalLight.color);
      }
    }
  }
  return lightColor;
}
`;var ct={name:"phongMaterial",dependencies:[se],source:lo,vs:co,fs:fo,defines:{LIGHTING_FRAGMENT:!0},uniformTypes:{ambient:"f32",diffuse:"f32",shininess:"f32",specularColor:"vec3<f32>"},defaultUniforms:{ambient:.35,diffuse:.6,shininess:32,specularColor:[.15,.15,.15]},getUniforms(t){let e={...t};return e.specularColor&&(e.specularColor=e.specularColor.map(n=>n/255)),{...ct.defaultUniforms,...e}}};var ho=`out vec3 pbr_vPosition;
out vec2 pbr_vUV;

#ifdef HAS_NORMALS
# ifdef HAS_TANGENTS
out mat3 pbr_vTBN;
# else
out vec3 pbr_vNormal;
# endif
#endif

void pbr_setPositionNormalTangentUV(vec4 position, vec4 normal, vec4 tangent, vec2 uv)
{
  vec4 pos = pbrProjection.modelMatrix * position;
  pbr_vPosition = vec3(pos.xyz) / pos.w;

#ifdef HAS_NORMALS
#ifdef HAS_TANGENTS
  vec3 normalW = normalize(vec3(pbrProjection.normalMatrix * vec4(normal.xyz, 0.0)));
  vec3 tangentW = normalize(vec3(pbrProjection.modelMatrix * vec4(tangent.xyz, 0.0)));
  vec3 bitangentW = cross(normalW, tangentW) * tangent.w;
  pbr_vTBN = mat3(tangentW, bitangentW, normalW);
#else // HAS_TANGENTS != 1
  pbr_vNormal = normalize(vec3(pbrProjection.modelMatrix * vec4(normal.xyz, 0.0)));
#endif
#endif

#ifdef HAS_UV
  pbr_vUV = uv;
#else
  pbr_vUV = vec2(0.,0.);
#endif
}
`,po=`precision highp float;

uniform pbrMaterialUniforms {
  // Material is unlit
  bool unlit;

  // Base color map
  bool baseColorMapEnabled;
  vec4 baseColorFactor;

  bool normalMapEnabled;  
  float normalScale; // #ifdef HAS_NORMALMAP

  bool emissiveMapEnabled;
  vec3 emissiveFactor; // #ifdef HAS_EMISSIVEMAP

  vec2 metallicRoughnessValues;
  bool metallicRoughnessMapEnabled;

  bool occlusionMapEnabled;
  float occlusionStrength; // #ifdef HAS_OCCLUSIONMAP
  
  bool alphaCutoffEnabled;
  float alphaCutoff; // #ifdef ALPHA_CUTOFF
  
  // IBL
  bool IBLenabled;
  vec2 scaleIBLAmbient; // #ifdef USE_IBL
  
  // debugging flags used for shader output of intermediate PBR variables
  // #ifdef PBR_DEBUG
  vec4 scaleDiffBaseMR;
  vec4 scaleFGDSpec;
  // #endif
} pbrMaterial;

// Samplers
#ifdef HAS_BASECOLORMAP
uniform sampler2D pbr_baseColorSampler;
#endif
#ifdef HAS_NORMALMAP
uniform sampler2D pbr_normalSampler;
#endif
#ifdef HAS_EMISSIVEMAP
uniform sampler2D pbr_emissiveSampler;
#endif
#ifdef HAS_METALROUGHNESSMAP
uniform sampler2D pbr_metallicRoughnessSampler;
#endif
#ifdef HAS_OCCLUSIONMAP
uniform sampler2D pbr_occlusionSampler;
#endif
#ifdef USE_IBL
uniform samplerCube pbr_diffuseEnvSampler;
uniform samplerCube pbr_specularEnvSampler;
uniform sampler2D pbr_brdfLUT;
#endif

// Inputs from vertex shader

in vec3 pbr_vPosition;
in vec2 pbr_vUV;

#ifdef HAS_NORMALS
#ifdef HAS_TANGENTS
in mat3 pbr_vTBN;
#else
in vec3 pbr_vNormal;
#endif
#endif

// Encapsulate the various inputs used by the various functions in the shading equation
// We store values in this struct to simplify the integration of alternative implementations
// of the shading terms, outlined in the Readme.MD Appendix.
struct PBRInfo {
  float NdotL;                  // cos angle between normal and light direction
  float NdotV;                  // cos angle between normal and view direction
  float NdotH;                  // cos angle between normal and half vector
  float LdotH;                  // cos angle between light direction and half vector
  float VdotH;                  // cos angle between view direction and half vector
  float perceptualRoughness;    // roughness value, as authored by the model creator (input to shader)
  float metalness;              // metallic value at the surface
  vec3 reflectance0;            // full reflectance color (normal incidence angle)
  vec3 reflectance90;           // reflectance color at grazing angle
  float alphaRoughness;         // roughness mapped to a more linear change in the roughness (proposed by [2])
  vec3 diffuseColor;            // color contribution from diffuse lighting
  vec3 specularColor;           // color contribution from specular lighting
  vec3 n;                       // normal at surface point
  vec3 v;                       // vector from surface point to camera
};

const float M_PI = 3.141592653589793;
const float c_MinRoughness = 0.04;

vec4 SRGBtoLINEAR(vec4 srgbIn)
{
#ifdef MANUAL_SRGB
#ifdef SRGB_FAST_APPROXIMATION
  vec3 linOut = pow(srgbIn.xyz,vec3(2.2));
#else // SRGB_FAST_APPROXIMATION
  vec3 bLess = step(vec3(0.04045),srgbIn.xyz);
  vec3 linOut = mix( srgbIn.xyz/vec3(12.92), pow((srgbIn.xyz+vec3(0.055))/vec3(1.055),vec3(2.4)), bLess );
#endif //SRGB_FAST_APPROXIMATION
  return vec4(linOut,srgbIn.w);;
#else //MANUAL_SRGB
  return srgbIn;
#endif //MANUAL_SRGB
}

// Find the normal for this fragment, pulling either from a predefined normal map
// or from the interpolated mesh normal and tangent attributes.
vec3 getNormal()
{
  // Retrieve the tangent space matrix
#ifndef HAS_TANGENTS
  vec3 pos_dx = dFdx(pbr_vPosition);
  vec3 pos_dy = dFdy(pbr_vPosition);
  vec3 tex_dx = dFdx(vec3(pbr_vUV, 0.0));
  vec3 tex_dy = dFdy(vec3(pbr_vUV, 0.0));
  vec3 t = (tex_dy.t * pos_dx - tex_dx.t * pos_dy) / (tex_dx.s * tex_dy.t - tex_dy.s * tex_dx.t);

#ifdef HAS_NORMALS
  vec3 ng = normalize(pbr_vNormal);
#else
  vec3 ng = cross(pos_dx, pos_dy);
#endif

  t = normalize(t - ng * dot(ng, t));
  vec3 b = normalize(cross(ng, t));
  mat3 tbn = mat3(t, b, ng);
#else // HAS_TANGENTS
  mat3 tbn = pbr_vTBN;
#endif

#ifdef HAS_NORMALMAP
  vec3 n = texture(pbr_normalSampler, pbr_vUV).rgb;
  n = normalize(tbn * ((2.0 * n - 1.0) * vec3(pbrMaterial.normalScale, pbrMaterial.normalScale, 1.0)));
#else
  // The tbn matrix is linearly interpolated, so we need to re-normalize
  vec3 n = normalize(tbn[2].xyz);
#endif

  return n;
}

// Calculation of the lighting contribution from an optional Image Based Light source.
// Precomputed Environment Maps are required uniform inputs and are computed as outlined in [1].
// See our README.md on Environment Maps [3] for additional discussion.
#ifdef USE_IBL
vec3 getIBLContribution(PBRInfo pbrInfo, vec3 n, vec3 reflection)
{
  float mipCount = 9.0; // resolution of 512x512
  float lod = (pbrInfo.perceptualRoughness * mipCount);
  // retrieve a scale and bias to F0. See [1], Figure 3
  vec3 brdf = SRGBtoLINEAR(texture(pbr_brdfLUT,
    vec2(pbrInfo.NdotV, 1.0 - pbrInfo.perceptualRoughness))).rgb;
  vec3 diffuseLight = SRGBtoLINEAR(texture(pbr_diffuseEnvSampler, n)).rgb;

#ifdef USE_TEX_LOD
  vec3 specularLight = SRGBtoLINEAR(texture(pbr_specularEnvSampler, reflection, lod)).rgb;
#else
  vec3 specularLight = SRGBtoLINEAR(texture(pbr_specularEnvSampler, reflection)).rgb;
#endif

  vec3 diffuse = diffuseLight * pbrInfo.diffuseColor;
  vec3 specular = specularLight * (pbrInfo.specularColor * brdf.x + brdf.y);

  // For presentation, this allows us to disable IBL terms
  diffuse *= pbrMaterial.scaleIBLAmbient.x;
  specular *= pbrMaterial.scaleIBLAmbient.y;

  return diffuse + specular;
}
#endif

// Basic Lambertian diffuse
// Implementation from Lambert's Photometria https://archive.org/details/lambertsphotome00lambgoog
// See also [1], Equation 1
vec3 diffuse(PBRInfo pbrInfo)
{
  return pbrInfo.diffuseColor / M_PI;
}

// The following equation models the Fresnel reflectance term of the spec equation (aka F())
// Implementation of fresnel from [4], Equation 15
vec3 specularReflection(PBRInfo pbrInfo)
{
  return pbrInfo.reflectance0 +
    (pbrInfo.reflectance90 - pbrInfo.reflectance0) *
    pow(clamp(1.0 - pbrInfo.VdotH, 0.0, 1.0), 5.0);
}

// This calculates the specular geometric attenuation (aka G()),
// where rougher material will reflect less light back to the viewer.
// This implementation is based on [1] Equation 4, and we adopt their modifications to
// alphaRoughness as input as originally proposed in [2].
float geometricOcclusion(PBRInfo pbrInfo)
{
  float NdotL = pbrInfo.NdotL;
  float NdotV = pbrInfo.NdotV;
  float r = pbrInfo.alphaRoughness;

  float attenuationL = 2.0 * NdotL / (NdotL + sqrt(r * r + (1.0 - r * r) * (NdotL * NdotL)));
  float attenuationV = 2.0 * NdotV / (NdotV + sqrt(r * r + (1.0 - r * r) * (NdotV * NdotV)));
  return attenuationL * attenuationV;
}

// The following equation(s) model the distribution of microfacet normals across
// the area being drawn (aka D())
// Implementation from "Average Irregularity Representation of a Roughened Surface
// for Ray Reflection" by T. S. Trowbridge, and K. P. Reitz
// Follows the distribution function recommended in the SIGGRAPH 2013 course notes
// from EPIC Games [1], Equation 3.
float microfacetDistribution(PBRInfo pbrInfo)
{
  float roughnessSq = pbrInfo.alphaRoughness * pbrInfo.alphaRoughness;
  float f = (pbrInfo.NdotH * roughnessSq - pbrInfo.NdotH) * pbrInfo.NdotH + 1.0;
  return roughnessSq / (M_PI * f * f);
}

void PBRInfo_setAmbientLight(inout PBRInfo pbrInfo) {
  pbrInfo.NdotL = 1.0;
  pbrInfo.NdotH = 0.0;
  pbrInfo.LdotH = 0.0;
  pbrInfo.VdotH = 1.0;
}

void PBRInfo_setDirectionalLight(inout PBRInfo pbrInfo, vec3 lightDirection) {
  vec3 n = pbrInfo.n;
  vec3 v = pbrInfo.v;
  vec3 l = normalize(lightDirection);             // Vector from surface point to light
  vec3 h = normalize(l+v);                        // Half vector between both l and v

  pbrInfo.NdotL = clamp(dot(n, l), 0.001, 1.0);
  pbrInfo.NdotH = clamp(dot(n, h), 0.0, 1.0);
  pbrInfo.LdotH = clamp(dot(l, h), 0.0, 1.0);
  pbrInfo.VdotH = clamp(dot(v, h), 0.0, 1.0);
}

void PBRInfo_setPointLight(inout PBRInfo pbrInfo, PointLight pointLight) {
  vec3 light_direction = normalize(pointLight.position - pbr_vPosition);
  PBRInfo_setDirectionalLight(pbrInfo, light_direction);
}

vec3 calculateFinalColor(PBRInfo pbrInfo, vec3 lightColor) {
  // Calculate the shading terms for the microfacet specular shading model
  vec3 F = specularReflection(pbrInfo);
  float G = geometricOcclusion(pbrInfo);
  float D = microfacetDistribution(pbrInfo);

  // Calculation of analytical lighting contribution
  vec3 diffuseContrib = (1.0 - F) * diffuse(pbrInfo);
  vec3 specContrib = F * G * D / (4.0 * pbrInfo.NdotL * pbrInfo.NdotV);
  // Obtain final intensity as reflectance (BRDF) scaled by the energy of the light (cosine law)
  return pbrInfo.NdotL * lightColor * (diffuseContrib + specContrib);
}

vec4 pbr_filterColor(vec4 colorUnused)
{
  // The albedo may be defined from a base texture or a flat color
#ifdef HAS_BASECOLORMAP
  vec4 baseColor = SRGBtoLINEAR(texture(pbr_baseColorSampler, pbr_vUV)) * pbrMaterial.baseColorFactor;
#else
  vec4 baseColor = pbrMaterial.baseColorFactor;
#endif

#ifdef ALPHA_CUTOFF
  if (baseColor.a < pbrMaterial.alphaCutoff) {
    discard;
  }
#endif

  vec3 color = vec3(0, 0, 0);

  if(pbrMaterial.unlit){
    color.rgb = baseColor.rgb;
  }
  else{
    // Metallic and Roughness material properties are packed together
    // In glT