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r=t[0],s=t[1],o=t[2],i=t[3],c=t[4],a=t[5],f=t[6],l=t[7],h=t[8],A=t[9],p=t[10],m=t[11],d=t[12],u=t[13],B=t[14],E=t[15],g=n[0],x=n[1],M=n[2],C=n[3];return e[0]=g*r+x*c+M*h+C*d,e[1]=g*s+x*a+M*A+C*u,e[2]=g*o+x*f+M*p+C*B,e[3]=g*i+x*l+M*m+C*E,g=n[4],x=n[5],M=n[6],C=n[7],e[4]=g*r+x*c+M*h+C*d,e[5]=g*s+x*a+M*A+C*u,e[6]=g*o+x*f+M*p+C*B,e[7]=g*i+x*l+M*m+C*E,g=n[8],x=n[9],M=n[10],C=n[11],e[8]=g*r+x*c+M*h+C*d,e[9]=g*s+x*a+M*A+C*u,e[10]=g*o+x*f+M*p+C*B,e[11]=g*i+x*l+M*m+C*E,g=n[12],x=n[13],M=n[14],C=n[15],e[12]=g*r+x*c+M*h+C*d,e[13]=g*s+x*a+M*A+C*u,e[14]=g*o+x*f+M*p+C*B,e[15]=g*i+x*l+M*m+C*E,e}function yr(e,t,n){let r=n[0],s=n[1],o=n[2],i,c,a,f,l,h,A,p,m,d,u,B;return 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c<1e-6?null:(c=1/c,s*=c,o*=c,i*=c,f=Math.sin(n),a=Math.cos(n),l=1-a,h=t[0],A=t[1],p=t[2],m=t[3],d=t[4],u=t[5],B=t[6],E=t[7],g=t[8],x=t[9],M=t[10],C=t[11],O=s*s*l+a,G=o*s*l+i*f,v=i*s*l-o*f,P=s*o*l-i*f,J=o*o*l+a,K=i*o*l+s*f,X=s*i*l+o*f,T=o*i*l-s*f,Ft=i*i*l+a,e[0]=h*O+d*G+g*v,e[1]=A*O+u*G+x*v,e[2]=p*O+B*G+M*v,e[3]=m*O+E*G+C*v,e[4]=h*P+d*J+g*K,e[5]=A*P+u*J+x*K,e[6]=p*P+B*J+M*K,e[7]=m*P+E*J+C*K,e[8]=h*X+d*T+g*Ft,e[9]=A*X+u*T+x*Ft,e[10]=p*X+B*T+M*Ft,e[11]=m*X+E*T+C*Ft,t!==e&&(e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e)}function Ir(e,t,n){let r=Math.sin(n),s=Math.cos(n),o=t[4],i=t[5],c=t[6],a=t[7],f=t[8],l=t[9],h=t[10],A=t[11];return t!==e&&(e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e[4]=o*s+f*r,e[5]=i*s+l*r,e[6]=c*s+h*r,e[7]=a*s+A*r,e[8]=f*s-o*r,e[9]=l*s-i*r,e[10]=h*s-c*r,e[11]=A*s-a*r,e}function Sr(e,t,n){let r=Math.sin(n),s=Math.cos(n),o=t[0],i=t[1],c=t[2],a=t[3],f=t[8],l=t[9],h=t[10],A=t[11];return t!==e&&(e[4]=t[4],e[5]=t[5],e[6]=t[6],e[7]=t[7],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e[0]=o*s-f*r,e[1]=i*s-l*r,e[2]=c*s-h*r,e[3]=a*s-A*r,e[8]=o*r+f*s,e[9]=i*r+l*s,e[10]=c*r+h*s,e[11]=a*r+A*s,e}function Lr(e,t,n){let r=Math.sin(n),s=Math.cos(n),o=t[0],i=t[1],c=t[2],a=t[3],f=t[4],l=t[5],h=t[6],A=t[7];return t!==e&&(e[8]=t[8],e[9]=t[9],e[10]=t[10],e[11]=t[11],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]),e[0]=o*s+f*r,e[1]=i*s+l*r,e[2]=c*s+h*r,e[3]=a*s+A*r,e[4]=f*s-o*r,e[5]=l*s-i*r,e[6]=h*s-c*r,e[7]=A*s-a*r,e}function Fr(e,t){let n=t[0],r=t[1],s=t[2],o=t[3],i=n+n,c=r+r,a=s+s,f=n*i,l=r*i,h=r*c,A=s*i,p=s*c,m=s*a,d=o*i,u=o*c,B=o*a;return e[0]=1-h-m,e[1]=l+B,e[2]=A-u,e[3]=0,e[4]=l-B,e[5]=1-f-m,e[6]=p+d,e[7]=0,e[8]=A+u,e[9]=p-d,e[10]=1-f-h,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function Dr(e,t,n,r,s,o,i){let c=1/(n-t),a=1/(s-r),f=1/(o-i);return e[0]=o*2*c,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=o*2*a,e[6]=0,e[7]=0,e[8]=(n+t)*c,e[9]=(s+r)*a,e[10]=(i+o)*f,e[11]=-1,e[12]=0,e[13]=0,e[14]=i*o*2*f,e[15]=0,e}function Gi(e,t,n,r,s){let o=1/Math.tan(t/2);if(e[0]=o/n,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=o,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,s!=null&&s!==1/0){let i=1/(r-s);e[10]=(s+r)*i,e[14]=2*s*r*i}else e[10]=-1,e[14]=-2*r;return e}var Or=Gi;function vi(e,t,n,r,s,o,i){let c=1/(t-n),a=1/(r-s),f=1/(o-i);return e[0]=-2*c,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*f,e[11]=0,e[12]=(t+n)*c,e[13]=(s+r)*a,e[14]=(i+o)*f,e[15]=1,e}var Gr=vi;function vr(e,t,n,r){let s,o,i,c,a,f,l,h,A,p,m=t[0],d=t[1],u=t[2],B=r[0],E=r[1],g=r[2],x=n[0],M=n[1],C=n[2];return Math.abs(m-x)<1e-6&&Math.abs(d-M)<1e-6&&Math.abs(u-C)<1e-6?Oi(e):(h=m-x,A=d-M,p=u-C,s=1/Math.sqrt(h*h+A*A+p*p),h*=s,A*=s,p*=s,o=E*p-g*A,i=g*h-B*p,c=B*A-E*h,s=Math.sqrt(o*o+i*i+c*c),s?(s=1/s,o*=s,i*=s,c*=s):(o=0,i=0,c=0),a=A*c-p*i,f=p*o-h*c,l=h*i-A*o,s=Math.sqrt(a*a+f*f+l*l),s?(s=1/s,a*=s,f*=s,l*=s):(a=0,f=0,l=0),e[0]=o,e[1]=a,e[2]=h,e[3]=0,e[4]=i,e[5]=f,e[6]=A,e[7]=0,e[8]=c,e[9]=l,e[10]=p,e[11]=0,e[12]=-(o*m+i*d+c*u),e[13]=-(a*m+f*d+l*u),e[14]=-(h*m+A*d+p*u),e[15]=1,e)}function Pi(){let e=new S(4);return S!=Float32Array&&(e[0]=0,e[1]=0,e[2]=0,e[3]=0),e}function Pr(e,t,n){return e[0]=t[0]+n[0],e[1]=t[1]+n[1],e[2]=t[2]+n[2],e[3]=t[3]+n[3],e}function wr(e,t,n){return e[0]=t[0]*n,e[1]=t[1]*n,e[2]=t[2]*n,e[3]=t[3]*n,e}function Nr(e){let t=e[0],n=e[1],r=e[2],s=e[3];return Math.sqrt(t*t+n*n+r*r+s*s)}function Ur(e){let t=e[0],n=e[1],r=e[2],s=e[3];return t*t+n*n+r*r+s*s}function Hr(e,t){let n=t[0],r=t[1],s=t[2],o=t[3],i=n*n+r*r+s*s+o*o;return i>0&&(i=1/Math.sqrt(i)),e[0]=n*i,e[1]=r*i,e[2]=s*i,e[3]=o*i,e}function Jr(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3]}function Kr(e,t,n,r){let s=t[0],o=t[1],i=t[2],c=t[3];return e[0]=s+r*(n[0]-s),e[1]=o+r*(n[1]-o),e[2]=i+r*(n[2]-i),e[3]=c+r*(n[3]-c),e}function Xr(e,t,n){let r=t[0],s=t[1],o=t[2],i=t[3];return e[0]=n[0]*r+n[4]*s+n[8]*o+n[12]*i,e[1]=n[1]*r+n[5]*s+n[9]*o+n[13]*i,e[2]=n[2]*r+n[6]*s+n[10]*o+n[14]*i,e[3]=n[3]*r+n[7]*s+n[11]*o+n[15]*i,e}function Vr(e,t,n){let r=t[0],s=t[1],o=t[2],i=n[0],c=n[1],a=n[2],f=n[3],l=f*r+c*o-a*s,h=f*s+a*r-i*o,A=f*o+i*s-c*r,p=-i*r-c*s-a*o;return e[0]=l*f+p*-i+h*-a-A*-c,e[1]=h*f+p*-c+A*-i-l*-a,e[2]=A*f+p*-a+l*-c-h*-i,e[3]=t[3],e}var gh=function(){let e=Pi();return function(t,n,r,s,o,i){let c,a;for(n||(n=4),r||(r=0),s?a=Math.min(s*n+r,t.length):a=t.length,c=r;c<a;c+=n)e[0]=t[c],e[1]=t[c+1],e[2]=t[c+2],e[3]=t[c+3],o(e,e,i),t[c]=e[0],t[c+1]=e[1],t[c+2]=e[2],t[c+3]=e[3];return t}}();var ze;(function(e){e[e.COL0ROW0=0]="COL0ROW0",e[e.COL0ROW1=1]="COL0ROW1",e[e.COL0ROW2=2]="COL0ROW2",e[e.COL0ROW3=3]="COL0ROW3",e[e.COL1ROW0=4]="COL1ROW0",e[e.COL1ROW1=5]="COL1ROW1",e[e.COL1ROW2=6]="COL1ROW2",e[e.COL1ROW3=7]="COL1ROW3",e[e.COL2ROW0=8]="COL2ROW0",e[e.COL2ROW1=9]="COL2ROW1",e[e.COL2ROW2=10]="COL2ROW2",e[e.COL2ROW3=11]="COL2ROW3",e[e.COL3ROW0=12]="COL3ROW0",e[e.COL3ROW1=13]="COL3ROW1",e[e.COL3ROW2=14]="COL3ROW2",e[e.COL3ROW3=15]="COL3ROW3"})(ze||(ze={}));var Ni=45*Math.PI/180,Ui=1,ke=.1,Ye=500,Hi=Object.freeze([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),Z=class extends ie{static get IDENTITY(){return Ki()}static get ZERO(){return Ji()}get ELEMENTS(){return 16}get RANK(){return 4}get INDICES(){return ze}constructor(t){super(-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0,-0),arguments.length===1&&Array.isArray(t)?this.copy(t):this.identity()}copy(t){return this[0]=t[0],this[1]=t[1],this[2]=t[2],this[3]=t[3],this[4]=t[4],this[5]=t[5],this[6]=t[6],this[7]=t[7],this[8]=t[8],this[9]=t[9],this[10]=t[10],this[11]=t[11],this[12]=t[12],this[13]=t[13],this[14]=t[14],this[15]=t[15],this.check()}set(t,n,r,s,o,i,c,a,f,l,h,A,p,m,d,u){return this[0]=t,this[1]=n,this[2]=r,this[3]=s,this[4]=o,this[5]=i,this[6]=c,this[7]=a,this[8]=f,this[9]=l,this[10]=h,this[11]=A,this[12]=p,this[13]=m,this[14]=d,this[15]=u,this.check()}setRowMajor(t,n,r,s,o,i,c,a,f,l,h,A,p,m,d,u){return this[0]=t,this[1]=o,this[2]=f,this[3]=p,this[4]=n,this[5]=i,this[6]=l,this[7]=m,this[8]=r,this[9]=c,this[10]=h,this[11]=d,this[12]=s,this[13]=a,this[14]=A,this[15]=u,this.check()}toRowMajor(t){return t[0]=this[0],t[1]=this[4],t[2]=this[8],t[3]=this[12],t[4]=this[1],t[5]=this[5],t[6]=this[9],t[7]=this[13],t[8]=this[2],t[9]=this[6],t[10]=this[10],t[11]=this[14],t[12]=this[3],t[13]=this[7],t[14]=this[11],t[15]=this[15],t}identity(){return this.copy(Hi)}fromObject(t){return this.check()}fromQuaternion(t){return Fr(this,t),this.check()}frustum(t){let{left:n,right:r,bottom:s,top:o,near:i=ke,far:c=Ye}=t;return c===1/0?Xi(this,n,r,s,o,i):Dr(this,n,r,s,o,i,c),this.check()}lookAt(t){let{eye:n,center:r=[0,0,0],up:s=[0,1,0]}=t;return vr(this,n,r,s),this.check()}ortho(t){let{left:n,right:r,bottom:s,top:o,near:i=ke,far:c=Ye}=t;return Gr(this,n,r,s,o,i,c),this.check()}orthographic(t){let{fovy:n=Ni,aspect:r=Ui,focalDistance:s=1,near:o=ke,far:i=Ye}=t;jr(n);let c=n/2,a=s*Math.tan(c),f=a*r;return this.ortho({left:-f,right:f,bottom:-a,top:a,near:o,far:i})}perspective(t){let{fovy:n=45*Math.PI/180,aspect:r=1,near:s=.1,far:o=500}=t;return jr(n),Or(this,n,r,s,o),this.check()}determinant(){return Tr(this)}getScale(t=[-0,-0,-0]){return t[0]=Math.sqrt(this[0]*this[0]+this[1]*this[1]+this[2]*this[2]),t[1]=Math.sqrt(this[4]*this[4]+this[5]*this[5]+this[6]*this[6]),t[2]=Math.sqrt(this[8]*this[8]+this[9]*this[9]+this[10]*this[10]),t}getTranslation(t=[-0,-0,-0]){return t[0]=this[12],t[1]=this[13],t[2]=this[14],t}getRotation(t,n){t=t||[-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),s=1/r[0],o=1/r[1],i=1/r[2];return t[0]=this[0]*s,t[1]=this[1]*o,t[2]=this[2]*i,t[3]=0,t[4]=this[4]*s,t[5]=this[5]*o,t[6]=this[6]*i,t[7]=0,t[8]=this[8]*s,t[9]=this[9]*o,t[10]=this[10]*i,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}getRotationMatrix3(t,n){t=t||[-0,-0,-0,-0,-0,-0,-0,-0,-0],n=n||[-0,-0,-0];let r=this.getScale(n),s=1/r[0],o=1/r[1],i=1/r[2];return t[0]=this[0]*s,t[1]=this[1]*o,t[2]=this[2]*i,t[3]=this[4]*s,t[4]=this[5]*o,t[5]=this[6]*i,t[6]=this[8]*s,t[7]=this[9]*o,t[8]=this[10]*i,t}transpose(){return Er(this,this),this.check()}invert(){return _r(this,this),this.check()}multiplyLeft(t){return je(this,t,this),this.check()}multiplyRight(t){return je(this,this,t),this.check()}rotateX(t){return Ir(this,this,t),this.check()}rotateY(t){return Sr(this,this,t),this.check()}rotateZ(t){return Lr(this,this,t),this.check()}rotateXYZ(t){return this.rotateX(t[0]).rotateY(t[1]).rotateZ(t[2])}rotateAxis(t,n){return Rr(this,this,t,n),this.check()}scale(t){return br(this,this,Array.isArray(t)?t:[t,t,t]),this.check()}translate(t){return yr(this,this,t),this.check()}transform(t,n){return t.length===4?(n=Xr(n||[-0,-0,-0,-0],t,this),dt(n,4),n):this.transformAsPoint(t,n)}transformAsPoint(t,n){let{length:r}=t,s;switch(r){case 2:s=Ar(n||[-0,-0],t,this);break;case 3:s=se(n||[-0,-0,-0],t,this);break;default:throw new Error("Illegal vector")}return dt(s,t.length),s}transformAsVector(t,n){let r;switch(t.length){case 2:r=pr(n||[-0,-0],t,this);break;case 3:r=mr(n||[-0,-0,-0],t,this);break;default:throw new Error("Illegal vector")}return dt(r,t.length),r}transformPoint(t,n){return this.transformAsPoint(t,n)}transformVector(t,n){return this.transformAsPoint(t,n)}transformDirection(t,n){return this.transformAsVector(t,n)}makeRotationX(t){return this.identity().rotateX(t)}makeTranslation(t,n,r){return this.identity().translate([t,n,r])}},ce,ae;function Ji(){return ce||(ce=new Z([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]),Object.freeze(ce)),ce}function Ki(){return ae||(ae=new Z,Object.freeze(ae)),ae}function jr(e){if(e>Math.PI*2)throw Error("expected radians")}function Xi(e,t,n,r,s,o){let i=2*o/(n-t),c=2*o/(s-r),a=(n+t)/(n-t),f=(s+r)/(s-r),l=-1,h=-1,A=-2*o;return e[0]=i,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=c,e[6]=0,e[7]=0,e[8]=a,e[9]=f,e[10]=l,e[11]=h,e[12]=0,e[13]=0,e[14]=A,e[15]=0,e}function kr(){let e=new S(4);return S!=Float32Array&&(e[0]=0,e[1]=0,e[2]=0),e[3]=1,e}function Yr(e){return e[0]=0,e[1]=0,e[2]=0,e[3]=1,e}function Qe(e,t,n){n=n*.5;let r=Math.sin(n);return e[0]=r*t[0],e[1]=r*t[1],e[2]=r*t[2],e[3]=Math.cos(n),e}function We(e,t,n){let r=t[0],s=t[1],o=t[2],i=t[3],c=n[0],a=n[1],f=n[2],l=n[3];return e[0]=r*l+i*c+s*f-o*a,e[1]=s*l+i*a+o*c-r*f,e[2]=o*l+i*f+r*a-s*c,e[3]=i*l-r*c-s*a-o*f,e}function zr(e,t,n){n*=.5;let 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e[0]=-t[0],e[1]=-t[1],e[2]=-t[2],e[3]=t[3],e}function qe(e,t){let n=t[0]+t[4]+t[8],r;if(n>0)r=Math.sqrt(n+1),e[3]=.5*r,r=.5/r,e[0]=(t[5]-t[7])*r,e[1]=(t[6]-t[2])*r,e[2]=(t[1]-t[3])*r;else{let s=0;t[4]>t[0]&&(s=1),t[8]>t[s*3+s]&&(s=2);let o=(s+1)%3,i=(s+2)%3;r=Math.sqrt(t[s*3+s]-t[o*3+o]-t[i*3+i]+1),e[s]=.5*r,r=.5/r,e[3]=(t[o*3+i]-t[i*3+o])*r,e[o]=(t[o*3+s]+t[s*3+o])*r,e[i]=(t[i*3+s]+t[s*3+i])*r}return e}var ts=Pr;var es=wr,ns=Jr,rs=Kr,ss=Nr;var os=Ur;var is=Hr;var cs=function(){let e=Xe(),t=Ve(1,0,0),n=Ve(0,1,0);return function(r,s,o){let i=Br(s,o);return i<-.999999?(re(e,t,s),Mr(e)<1e-6&&re(e,n,s),gr(e,e),Qe(r,e,Math.PI),r):i>.999999?(r[0]=0,r[1]=0,r[2]=0,r[3]=1,r):(re(e,s,o),r[0]=e[0],r[1]=e[1],r[2]=e[2],r[3]=1+i,is(r,r))}}(),Fh=function(){let e=kr(),t=kr();return function(n,r,s,o,i,c){return Gt(e,r,i,c),Gt(t,s,o,c),Gt(n,e,t,2*c*(1-c)),n}}(),Dh=function(){let e=Cr();return function(t,n,r,s){return e[0]=r[0],e[3]=r[1],e[6]=r[2],e[1]=s[0],e[4]=s[1],e[7]=s[2],e[2]=-n[0],e[5]=-n[1],e[8]=-n[2],is(t,qe(t,e))}}();var Vi=[0,0,0,1],vt=class extends et{constructor(t=0,n=0,r=0,s=1){super(-0,-0,-0,-0),Array.isArray(t)&&arguments.length===1?this.copy(t):this.set(t,n,r,s)}copy(t){return this[0]=t[0],this[1]=t[1],this[2]=t[2],this[3]=t[3],this.check()}set(t,n,r,s){return this[0]=t,this[1]=n,this[2]=r,this[3]=s,this.check()}fromObject(t){return this[0]=t.x,this[1]=t.y,this[2]=t.z,this[3]=t.w,this.check()}fromMatrix3(t){return qe(this,t),this.check()}fromAxisRotation(t,n){return Qe(this,t,n),this.check()}identity(){return Yr(this),this.check()}setAxisAngle(t,n){return this.fromAxisRotation(t,n)}get ELEMENTS(){return 4}get x(){return this[0]}set x(t){this[0]=y(t)}get y(){return this[1]}set y(t){this[1]=y(t)}get z(){return this[2]}set z(t){this[2]=y(t)}get w(){return this[3]}set w(t){this[3]=y(t)}len(){return ss(this)}lengthSquared(){return os(this)}dot(t){return ns(this,t)}rotationTo(t,n){return cs(this,t,n),this.check()}add(t){return ts(this,this,t),this.check()}calculateW(){return qr(this,this),this.check()}conjugate(){return $r(this,this),this.check()}invert(){return Zr(this,this),this.check()}lerp(t,n,r){return r===void 0?this.lerp(this,t,n):(rs(this,t,n,r),this.check())}multiplyRight(t){return We(this,this,t),this.check()}multiplyLeft(t){return We(this,t,this),this.check()}normalize(){let t=this.len(),n=t>0?1/t:0;return this[0]=this[0]*n,this[1]=this[1]*n,this[2]=this[2]*n,this[3]=this[3]*n,t===0&&(this[3]=1),this.check()}rotateX(t){return zr(this,this,t),this.check()}rotateY(t){return Qr(this,this,t),this.check()}rotateZ(t){return Wr(this,this,t),this.check()}scale(t){return es(this,this,t),this.check()}slerp(t,n,r){let s,o,i;switch(arguments.length){case 1:({start:s=Vi,target:o,ratio:i}=t);break;case 2:s=this,o=t,i=n;break;default:s=t,o=n,i=r}return Gt(this,s,o,i),this.check()}transformVector4(t,n=new ut){return Vr(n,t,this),dt(n,4)}lengthSq(){return this.lengthSquared()}setFromAxisAngle(t,n){return this.setAxisAngle(t,n)}premultiply(t){return this.multiplyLeft(t)}multiply(t){return this.multiplyRight(t)}};var fs=F(pt(),1);var Ze=`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 as=`// #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,
  poightCount: 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 ls=3,ji=255,Pt;(function(e){e[e.POINT=0]="POINT",e[e.DIRECTIONAL=1]="DIRECTIONAL"})(Pt||(Pt={}));var ot={props:{},uniforms:{},name:"lighting",defines:{MAX_LIGHTS:ls},uniformTypes:{enabled:"i32",lightType:"i32",directionalLightCount:"i32",pointLightCount:"i32",ambientLightColor:"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:Pt.POINT,directionalLightCount:0,pointLightCount:0,ambientLightColor:[.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:as,vs:Ze,fs:Ze,getUniforms:ki};function ki(e,t={}){if(e=e&&{...e},!e)return{...ot.defaultUniforms};e.lights&&(e={...e,...zi(e.lights),lights:void 0});let{ambientLight:n,pointLights:r,directionalLights:s}=e||{};if(!(n||r&&r.length>0||s&&s.length>0))return{...ot.defaultUniforms,enabled:0};let i={...ot.defaultUniforms,...t,...Yi({ambientLight:n,pointLights:r,directionalLights:s})};return e.enabled!==void 0&&(i.enabled=e.enabled?1:0),i}function Yi({ambientLight:e,pointLights:t=[],directionalLights:n=[]}){let r={};r.ambientLightColor=$e(e);let s=0;for(let o of t){r.lightType=Pt.POINT;let i=s;r[`lightColor${i}`]=$e(o),r[`lightPosition${i}`]=o.position,r[`lightAttenuation${i}`]=o.attenuation||[1,0,0],s++}for(let o of n){r.lightType=Pt.DIRECTIONAL;let i=s;r[`lightColor${i}`]=$e(o),r[`lightDirection${i}`]=o.direction,s++}return s>ls&&fs.log.warn("MAX_LIGHTS exceeded")(),r.directionalLightCount=n.length,r.pointLightCount=t.length,r}function zi(e){let t={pointLights:[],directionalLights:[]};for(let n of e||[])switch(n.type){case"ambient":t.ambientLight=n;break;case"directional":t.directionalLights?.push(n);break;case"point":t.pointLights?.push(n);break;default:}return t}function $e(e={}){let{color:t=[0,0,0],intensity:n=1}=e;return t.map(r=>r*n/ji)}var hs=`uniform phongMaterialUniforms {
  uniform float ambient;
  uniform float diffuse;
  uniform float shininess;
  uniform vec3  specularColor;
} material;
`,As=`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 ps=`struct phongMaterialUniforms {
  ambient: f32,
  diffuse: f32,
  shininess: f32,
  specularColor: vec3<f32>,
};

@binding(2) @group(0) var<uniform> material : 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, material.shininess);
  }
  lambertian = max(lambertian, 0.0);
  return (lambertian * material.diffuse * surfaceColor + specular * material.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 = material.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 fe={name:"phongMaterial",dependencies:[ot],source:ps,vs:hs,fs:As,defines:{LIGHTING_FRAGMENT:1},uniformTypes:{ambient:"f32",diffuse:"f32",shininess:"f32",specularColor:"vec3<f32>"},defaultUniforms:{ambient:.35,diffuse:.6,shininess:32,specularColor:[.15,.15,.15]},getUniforms(e){let t={...e};return t.specularColor&&(t.specularColor=t.specularColor.map(n=>n/255)),{...fe.defaultUniforms,...t}}};var ms=`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
}
`;var ds=`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 glTF, these factors can be specified by fixed scalar values
    // or from a metallic-roughness map
    float perceptualRoughness = pbrMaterial.metallicRoughnessValues.y;
    float metallic = pbrMaterial.metallicRoughnessValues.x;
#ifdef HAS_METALROUGHNESSMAP
    // Roughness is stored in the 'g' channel, metallic is stored in the 'b' channel.
    // This layout intentionally reserves the 'r' channel for (optional) occlusion map data
    vec4 mrSample = texture(pbr_metallicRoughnessSampler, pbr_vUV);
    perceptualRoughness = mrSample.g * perceptualRoughness;
    metallic = mrSample.b * metallic;
#endif
    perceptualRoughness = clamp(perceptualRoughness, c_MinRoughness, 1.0);
    metallic = clamp(metallic, 0.0, 1.0);
    // Roughness is authored as perceptual roughness; as is convention,
    // convert to material roughness by squaring the perceptual roughness [2].
    float alphaRoughness = perceptualRoughness * perceptualRoughness;

    vec3 f0 = vec3(0.04);
    vec3 diffuseColor = baseColor.rgb * (vec3(1.0) - f0);
    diffuseColor *= 1.0 - metallic;
    vec3 specularColor = mix(f0, baseColor.rgb, metallic);

    // Compute reflectance.
    float reflectance = max(max(specularColor.r, specularColor.g), specularColor.b);

    // For typical incident reflectance range (between 4% to 100%) set the grazing
    // reflectance to 100% for typical fresnel effect.
    // For very low reflectance range on highly diffuse objects (below 4%),
    // incrementally reduce grazing reflecance to 0%.
    float reflectance90 = clamp(reflectance * 25.0, 0.0, 1.0);
    vec3 specularEnvironmentR0 = specularColor.rgb;
    vec3 specularEnvironmentR90 = vec3(1.0, 1.0, 1.0) * reflectance90;

    vec3 n = getNormal();                          // normal at surface point
    vec3 v = normalize(pbrProjection.camera - pbr_vPosition);  // Vector from surface point to camera

    float NdotV = clamp(abs(dot(n, v)), 0.001, 1.0);
    vec3 reflection = -normalize(reflect(v, n));

    PBRInfo pbrInfo = PBRInfo(
      0.0, // NdotL
      NdotV,
      0.0, // NdotH
      0.0, // LdotH
      0.0, // VdotH
      perceptualRoughness,
      metallic,
      specularEnvironmentR0,
      specularEnvironmentR90,
      alphaRoughness,
      diffuseColor,
      specularColor,
      n,
      v
    );


#ifdef USE_LIGHTS
    // Apply ambient light
    PBRInfo_setAmbientLight(pbrInfo);
    color += calculateFinalColor(pbrInfo, lighting.ambientColor);

    // Apply directional light
    for(int i = 0; i < lighting.directionalLightCount; i++) {
      if (i < lighting.directionalLightCount) {
        PBRInfo_setDirectionalLight(pbrInfo, lighting_getDirectionalLight(i).direction);
        color += calculateFinalColor(pbrInfo, lighting_getDirectionalLight(i).color);
      }
    }

    // Apply point light
    for(int i = 0; i < lighting.pointLightCount; i++) {
      if (i < lighting.pointLightCount) {
        PBRInfo_setPointLight(pbrInfo, lighting_getPointLight(i));
        float attenuation = getPointLightAttenuation(lighting_getPointLight(i), distance(lighting_getPointLight(i).position, pbr_vPosition));
        color += calculateFinalColor(pbrInfo, lighting_getPointLight(i).color / attenuation);
      }
    }
#endif

    // Calculate lighting contribution from image based lighting source (IBL)
#ifdef USE_IBL
    if (pbrMaterial.IBLenabled) {
      color += getIBLContribution(pbrInfo, n, reflection);
    }
#endif

 // Apply optional PBR terms for additional (optional) shading
#ifdef HAS_OCCLUSIONMAP
    if (pbrMaterial.occlusionMapEnabled) {
      float ao = texture(pbr_occlusionSampler, pbr_vUV).r;
      color = mix(color, color * ao, pbrMaterial.occlusionStrength);
    }
#endif

#ifdef HAS_EMISSIVEMAP
    if (pbrMaterial.emissiveMapEnabled) {
      vec3 emissive = SRGBtoLINEAR(texture(pbr_emissiveSampler, pbr_vUV)).rgb * pbrMaterial.emissiveFactor;
      color += emissive;
    }
#endif

    // This section uses mix to override final color for reference app visualization
    // of various parameters in the lighting equation.
#ifdef PBR_DEBUG
    // TODO: Figure out how to debug multiple lights

    // color = mix(color, F, pbr_scaleFGDSpec.x);
    // color = mix(color, vec3(G), pbr_scaleFGDSpec.y);
    // color = mix(color, vec3(D), pbr_scaleFGDSpec.z);
    // color = mix(color, specContrib, pbr_scaleFGDSpec.w);

    // color = mix(color, diffuseContrib, pbr_scaleDiffBaseMR.x);
    color = mix(color, baseColor.rgb, pbrMaterial.scaleDiffBaseMR.y);
    color = mix(color, vec3(metallic), pbrMaterial.scaleDiffBaseMR.z);
    color = mix(color, vec3(perceptualRoughness), pbrMaterial.scaleDiffBaseMR.w);
#endif

  }

  return vec4(pow(color,vec3(1.0/2.2)), baseColor.a);
}
`;var us=`uniform pbrProjectionUniforms {
  mat4 modelViewProjectionMatrix;
  mat4 modelMatrix;
  mat4 normalMatrix;
  vec3 camera;
} pbrProjection;
`,gs={name:"pbrProjection",vs:us,fs:us,getUniforms:e=>e,uniformTypes:{modelViewProjectionMatrix:"mat4x4<f32>",modelMatrix:"mat4x4<f32>",normalMatrix:"mat4x4<f32>",camera:"vec3<i32>"}};var wt={props:{},uniforms:{},name:"pbrMaterial",dependencies:[ot,gs],vs:ms,fs:ds,defines:{LIGHTING_FRAGMENT:1},getUniforms:e=>e,uniformTypes:{unlit:"i32",baseColorMapEnabled:"i32",baseColorFactor:"vec4<f32>",normalMapEnabled:"i32",normalScale:"f32",emissiveMapEnabled:"i32",emissiveFactor:"vec3<f32>",metallicRoughnessValues:"vec2<f32>",metallicRoughnessMapEnabled:"i32",occlusionMapEnabled:"i32",occlusionStrength:"f32",alphaCutoffEnabled:"i32",alphaCutoff:"f32",IBLenabled:"i32",scaleIBLAmbient:"vec2<f32>",scaleDiffBaseMR:"vec4<f32>",scaleFGDSpec:"vec4<f32>"}};var gt=F(At(),1),tn=Math.PI/180,le=new Float32Array(16),Bs=new Float32Array(12);function xs(e,t,n){let r=t[0]*tn,s=t[1]*tn,o=t[2]*tn,i=Math.sin(o),c=Math.sin(r),a=Math.sin(s),f=Math.cos(o),l=Math.cos(r),h=Math.cos(s),A=n[0],p=n[1],m=n[2];e[0]=A*h*l,e[1]=A*a*l,e[2]=A*-c,e[3]=p*(-a*f+h*c*i),e[4]=p*(h*f+a*c*i),e[5]=p*l*i,e[6]=m*(a*i+h*c*f),e[7]=m*(-h*i+a*c*f),e[8]=m*l*f}function Ms(e){return e[0]=e[0],e[1]=e[1],e[2]=e[2],e[3]=e[4],e[4]=e[5],e[5]=e[6],e[6]=e[8],e[7]=e[9],e[8]=e[10],e[9]=e[12],e[10]=e[13],e[11]=e[14],e.subarray(0,12)}var he={size:12,accessor:["getOrientation","getScale","getTranslation","getTransformMatrix"],shaderAttributes:{instanceModelMatrixCol0:{size:3,elementOffset:0},instanceModelMatrixCol1:{size:3,elementOffset:3},instanceModelMatrixCol2:{size:3,elementOffset:6},instanceTranslation:{size:3,elementOffset:9}},update(e,{startRow:t,endRow:n}){let{data:r,getOrientation:s,getScale:o,getTranslation:i,getTransformMatrix:c}=this.props,a=Array.isArray(c),f=a&&c.length===16,l=Array.isArray(o),h=Array.isArray(s),A=Array.isArray(i),p=f||!a&&Boolean(c(r[0]));p?e.constant=f:e.constant=h&&l&&A;let m=e.value;if(e.constant){let d;p?(le.set(c),d=Ms(le)):(d=Bs,xs(d,s,o),d.set(i,9)),e.value=new Float32Array(d)}else{let d=t*e.size,{iterable:u,objectInfo:B}=(0,gt.createIterable)(r,t,n);for(let E of u){B.index++;let g;if(p)le.set(f?c:c(E,B)),g=Ms(le);else{g=Bs;let x=h?s:s(E,B),M=l?o:o(E,B);xs(g,x,M),g.set(A?i:i(E,B),9)}m[d++]=g[0],m[d++]=g[1],m[d++]=g[2],m[d++]=g[3],m[d++]=g[4],m[d++]=g[5],m[d++]=g[6],m[d++]=g[7],m[d++]=g[8],m[d++]=g[9],m[d++]=g[10],m[d++]=g[11]}}}};function Ae(e,t){return t===gt.COORDINATE_SYSTEM.CARTESIAN||t===gt.COORDINATE_SYSTEM.METER_OFFSETS||t===gt.COORDINATE_SYSTEM.DEFAULT&&!e.isGeospatial}var Cs=`uniform simpleMeshUniforms {
  float sizeScale;
  bool composeModelMatrix;
  bool hasTexture;
  bool flatShading;
} simpleMesh;
`,Es={name:"simpleMesh",vs:Cs,fs:Cs,uniformTypes:{sizeScale:"f32",composeModelMatrix:"f32",hasTexture:"f32",flatShading:"f32"}};var _s=`#version 300 es
#define SHADER_NAME simple-mesh-layer-vs
in vec3 positions;
in vec3 normals;
in vec3 colors;
in vec2 texCoords;
in vec3 instancePositions;
in vec3 instancePositions64Low;
in vec4 instanceColors;
in vec3 instancePickingColors;
in vec3 instanceModelMatrixCol0;
in vec3 instanceModelMatrixCol1;
in vec3 instanceModelMatrixCol2;
in vec3 instanceTranslation;
out vec2 vTexCoord;
out vec3 cameraPosition;
out vec3 normals_commonspace;
out vec4 position_commonspace;
out vec4 vColor;
void main(void) {
geometry.worldPosition = instancePositions;
geometry.uv = texCoords;
geometry.pickingColor = instancePickingColors;
vTexCoord = texCoords;
cameraPosition = project.cameraPosition;
vColor = vec4(colors * instanceColors.rgb, instanceColors.a);
mat3 instanceModelMatrix = mat3(instanceModelMatrixCol0, instanceModelMatrixCol1, instanceModelMatrixCol2);
vec3 pos = (instanceModelMatrix * positions) * simpleMesh.sizeScale + instanceTranslation;
if (simpleMesh.composeModelMatrix) {
DECKGL_FILTER_SIZE(pos, geometry);
normals_commonspace = project_normal(instanceModelMatrix * normals);
geometry.worldPosition += pos;
gl_Position = project_position_to_clipspace(pos + instancePositions, instancePositions64Low, vec3(0.0), position_commonspace);
geometry.position = position_commonspace;
}
else {
pos = project_size(pos);
DECKGL_FILTER_SIZE(pos, geometry);
gl_Position = project_position_to_clipspace(instancePositions, instancePositions64Low, pos, position_commonspace);
geometry.position = position_commonspace;
normals_commonspace = project_normal(instanceModelMatrix * normals);
}
geometry.normal = normals_commonspace;
DECKGL_FILTER_GL_POSITION(gl_Position, geometry);
DECKGL_FILTER_COLOR(vColor, geometry);
}
`;var Ts=`#version 300 es
#define SHADER_NAME simple-mesh-layer-fs
precision highp float;
uniform sampler2D sampler;
in vec2 vTexCoord;
in vec3 cameraPosition;
in vec3 normals_commonspace;
in vec4 position_commonspace;
in vec4 vColor;
out vec4 fragColor;
void main(void) {
geometry.uv = vTexCoord;
vec3 normal;
if (simpleMesh.flatShading) {
normal = normalize(cross(dFdx(position_commonspace.xyz), dFdy(position_commonspace.xyz)));
} else {
normal = normals_commonspace;
}
vec4 color = simpleMesh.hasTexture ? texture(sampler, vTexCoord) : vColor;
DECKGL_FILTER_COLOR(color, geometry);
vec3 lightColor = lighting_getLightColor(color.rgb, cameraPosition, position_commonspace.xyz, normal);
fragColor = vec4(lightColor, color.a * layer.opacity);
}
`;function ys(e){switch(e.constructor){case Int8Array:return"int8";case Uint8Array:case Uint8ClampedArray:return"uint8";case Int16Array:return"int16";case Uint16Array:return"uint16";case Int32Array:return"int32";case Uint32Array:return"uint32";case Float32Array:return"float32";case Float64Array:return"float64";default:return"null"}}function Nt(e){let t=1/0,n=1/0,r=1/0,s=-1/0,o=-1/0,i=-1/0,c=e.POSITION?e.POSITION.value:[],a=c&&c.length;for(let f=0;f<a;f+=3){let l=c[f],h=c[f+1],A=c[f+2];t=l<t?l:t,n=h<n?h:n,r=A<r?A:r,s=l>s?l:s,o=h>o?h:o,i=A>i?A:i}return[[t,n,r],[s,o,i]]}function en(e,t,n){let r=ys(t.value),s=n||bs(t);return{name:e,type:{type:"fixed-size-list",listSize:t.size,children:[{name:"value",type:r}]},nullable:!1,metadata:s}}function bs(e){let t={};return"byteOffset"in e&&(t.byteOffset=e.byteOffset.toString(10)),"byteStride"in e&&(t.byteStride=e.byteStride.toString(10)),"normalized"in e&&(t.normalized=e.normalized.toString()),t}function nn(e){let t=e.positions||e.POSITION;nt.log.assert(t,'no "postions" or "POSITION" attribute in mesh');let n=t.value.length/t.size,r=e.COLOR_0||e.colors;r||(r={size:3,value:new Float32Array(n*3).fill(1)});let s=e.NORMAL||e.normals;s||(s={size:3,value:new Float32Array(n*3).fill(0)});let o=e.TEXCOORD_0||e.texCoords;return o||(o={size:2,value:new Float32Array(n*2).fill(0)}),{positions:t,colors:r,normals:s,texCoords:o}}function Rs(e){return e instanceof Bt.Geometry?(e.attributes=nn(e.attributes),e):e.attributes?new Bt.Geometry({...e,topology:"triangle-list",attributes:nn(e.attributes)}):new Bt.Geometry({topology:"triangle-list",attributes:nn(e)})}var Qi=[0,0,0,255],Wi={mesh:{type:"object",value:null,async:!0},texture:{type:"image",value:null,async:!0},sizeScale:{type:"number",value:1,min:0},_instanced:!0,wireframe:!1,material:!0,getPosition:{type:"accessor",value:e=>e.position},getColor:{type:"accessor",value:Qi},getOrientation:{type:"accessor",value:[0,0,0]},getScale:{type:"accessor",value:[1,1,1]},getTranslation:{type:"accessor",value:[0,0,0]},getTransformMatrix:{type:"accessor",value:[]},textureParameters:{type:"object",ignore:!0,value:null}},Ut=class extends nt.Layer{getShaders(){return super.getShaders({vs:_s,fs:Ts,modules:[nt.project32,fe,nt.picking,Es]})}getBounds(){if(this.props._instanced)return super.getBounds();let t=this.state.positionBounds;if(t)return t;let{mesh:n}=this.props;if(!n)return null;if(t=n.header?.boundingBox,!t){let{attributes:r}=Rs(n);r.POSITION=r.POSITION||r.positions,t=Nt(r)}return 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it={COMPRESSED_RGB_S3TC_DXT1_EXT:33776,COMPRESSED_RGBA_S3TC_DXT1_EXT:33777,COMPRESSED_RGBA_S3TC_DXT3_EXT:33778,COMPRESSED_RGBA_S3TC_DXT5_EXT:33779,COMPRESSED_R11_EAC:37488,COMPRESSED_SIGNED_R11_EAC:37489,COMPRESSED_RG11_EAC:37490,COMPRESSED_SIGNED_RG11_EAC:37491,COMPRESSED_RGB8_ETC2:37492,COMPRESSED_RGBA8_ETC2_EAC:37493,COMPRESSED_SRGB8_ETC2:37494,COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:37495,COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:37496,COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:37497,COMPRESSED_RGB_PVRTC_4BPPV1_IMG:35840,COMPRESSED_RGBA_PVRTC_4BPPV1_IMG:35842,COMPRESSED_RGB_PVRTC_2BPPV1_IMG:35841,COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:35843,COMPRESSED_RGB_ETC1_WEBGL:36196,COMPRESSED_RGB_ATC_WEBGL:35986,COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL:35987,COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL:34798,COMPRESSED_RGBA_ASTC_4X4_KHR:37808,COMPRESSED_RGBA_ASTC_5X4_KHR:37809,COMPRESSED_RGBA_ASTC_5X5_KHR:37810,COMPRESSED_RGBA_ASTC_6X5_KHR:37811,COMPRESSED_RGBA_ASTC_6X6_KHR:37812,COMPRESSED_RGBA_ASTC_8X5_KHR:37813,COMPRESSED_RGBA_ASTC_8X6_KHR:37814,COMPRESSED_RGBA_ASTC_8X8_KHR:37815,COMPRESSED_RGBA_ASTC_10X5_KHR:37816,COMPRESSED_RGBA_ASTC_10X6_KHR:37817,COMPRESSED_RGBA_ASTC_10X8_KHR:37818,COMPRESSED_RGBA_ASTC_10X10_KHR:37819,COMPRESSED_RGBA_ASTC_12X10_KHR:37820,COMPRESSED_RGBA_ASTC_12X12_KHR:37821,COMPRESSED_SRGB8_ALPHA8_ASTC_4X4_KHR:37840,COMPRESSED_SRGB8_ALPHA8_ASTC_5X4_KHR:37841,COMPRESSED_SRGB8_ALPHA8_ASTC_5X5_KHR:37842,COMPRESSED_SRGB8_ALPHA8_ASTC_6X5_KHR:37843,COMPRESSED_SRGB8_ALPHA8_ASTC_6X6_KHR:37844,COMPRESSED_SRGB8_ALPHA8_ASTC_8X5_KHR:37845,COMPRESSED_SRGB8_ALPHA8_ASTC_8X6_KHR:37846,COMPRESSED_SRGB8_ALPHA8_ASTC_8X8_KHR:37847,COMPRESSED_SRGB8_ALPHA8_ASTC_10X5_KHR:37848,COMPRESSED_SRGB8_ALPHA8_ASTC_10X6_KHR:37849,COMPRESSED_SRGB8_ALPHA8_ASTC_10X8_KHR:37850,COMPRESSED_SRGB8_ALPHA8_ASTC_10X10_KHR:37851,COMPRESSED_SRGB8_ALPHA8_ASTC_12X10_KHR:37852,COMPRESSED_SRGB8_ALPHA8_ASTC_12X12_KHR:37853,COMPRESSED_RED_RGTC1_EXT:36283,COMPRESSED_SIGNED_RED_RGTC1_EXT:36284,COMPRESSED_RED_GREEN_RGTC2_EXT:36285,COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:36286,COMPRESSED_SRGB_S3TC_DXT1_EXT:35916,COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:35917,COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:35918,COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:35919};var 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layout(0) positions: vec4; // in vec4 POSITION;

  #ifdef HAS_NORMALS
    in vec4 normals; // in vec4 NORMAL;
  #endif

  #ifdef HAS_TANGENTS
    in vec4 TANGENT;
  #endif

  #ifdef HAS_UV
    // in vec2 TEXCOORD_0;
    in vec2 texCoords;
  #endif

@vertex
  void main(void) {
    vec4 _NORMAL = vec4(0.);
    vec4 _TANGENT = vec4(0.);
    vec2 _TEXCOORD_0 = vec2(0.);

    #ifdef HAS_NORMALS
      _NORMAL = normals;
    #endif

    #ifdef HAS_TANGENTS
      _TANGENT = TANGENT;
    #endif

    #ifdef HAS_UV
      _TEXCOORD_0 = texCoords;
    #endif

    pbr_setPositionNormalTangentUV(positions, _NORMAL, _TANGENT, _TEXCOORD_0);
    gl_Position = u_MVPMatrix * positions;
  }

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  out vec4 fragmentColor;

  void main(void) {
    vec3 pos = pbr_vPosition;
    fragmentColor = pbr_filterColor(vec4(1.0));
  }
`,$c=`#version 300 es

  // in vec4 POSITION;
  in vec4 positions;

  #ifdef HAS_NORMALS
    // in vec4 NORMAL;
    in vec4 normals;
  #endif

  #ifdef HAS_TANGENTS
    in vec4 TANGENT;
  #endif

  #ifdef HAS_UV
    // in vec2 TEXCOORD_0;
    in vec2 texCoords;
  #endif

  void main(void) {
    vec4 _NORMAL = vec4(0.);
    vec4 _TANGENT = vec4(0.);
    vec2 _TEXCOORD_0 = vec2(0.);

    #ifdef HAS_NORMALS
      _NORMAL = normals;
    #endif

    #ifdef HAS_TANGENTS
      _TANGENT = TANGENT;
    #endif

    #ifdef HAS_UV
      _TEXCOORD_0 = texCoords;
    #endif

    pbr_setPositionNormalTangentUV(positions, _NORMAL, _TANGENT, _TEXCOORD_0);
    gl_Position = pbrProjection.modelViewProjectionMatrix * positions;
  }
`,ta=`#version 300 es
  out vec4 fragmentColor;

  void main(void) {
    vec3 pos = pbr_vPosition;
    fragmentColor = pbr_filterColor(vec4(1.0));
  }
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",sf="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e=rf;WebAssembly.validate(of)&&(e=sf,console.log("Warning: meshopt_decoder is using experimental SIMD support"));let t=await WebAssembly.instantiate(Af(e),{});return await t.instance.exports.__wasm_call_ctors(),t.instance}function Af(e){let t=new Uint8Array(e.length);for(let r=0;r<e.length;++r){let s=e.charCodeAt(r);t[r]=s>96?s-71:s>64?s-65:s>47?s+4:s>46?63:62}let n=0;for(let r=0;r<e.length;++r)t[n++]=t[r]<60?cf[t[r]]:(t[r]-60)*64+t[++r];return t.buffer.slice(0,n)}function pf(e,t,n,r,s,o,i){let c=e.exports.sbrk,a=r+3&-4,f=c(a*s),l=c(o.length),h=new Uint8Array(e.exports.memory.buffer);h.set(o,l);let A=t(f,r,s,l,o.length);if(A===0&&i&&i(f,a,s),n.set(h.subarray(f,f+r*s)),c(f-c(0)),A!==0)throw new Error(`Malformed buffer data: ${A}`)}var Le="EXT_meshopt_compression",mf=Le;async function df(e,t){let n=new _(e);if(!t?.gltf?.decompressMeshes||!t.gltf?.loadBuffers)return;let r=[];for(let s of e.json.bufferViews||[])r.push(uf(n,s));await Promise.all(r),n.removeExtension(Le)}async function uf(e,t){let n=e.getObjectExtension(t,Le);if(n){let{byteOffset:r=0,byteLength:s=0,byteStride:o,count:i,mode:c,filter:a="NONE",buffer:f}=n,l=e.gltf.buffers[f],h=new Uint8Array(l.arrayBuffer,l.byteOffset+r,s),A=new Uint8Array(e.gltf.buffers[t.buffer].arrayBuffer,t.byteOffset,t.byteLength);await Io(A,i,o,h,c,a),e.removeObjectExtension(t,Le)}}var Nn={};N(Nn,{name:()=>gf,preprocess:()=>Bf});var Rt="EXT_texture_webp",gf=Rt;function Bf(e,t){let n=new _(e);if(!Cn("image/webp")){if(n.getRequiredExtensions().includes(Rt))throw new Error(`gltf: Required extension ${Rt} not supported by browser`);return}let{json:r}=n;for(let s of r.textures||[]){let o=n.getObjectExtension(s,Rt);o&&(s.source=o.source),n.removeObjectExtension(s,Rt)}n.removeExtension(Rt)}var Un={};N(Un,{name:()=>xf,preprocess:()=>Mf});var Fe="KHR_texture_basisu",xf=Fe;function Mf(e,t){let n=new _(e),{json:r}=n;for(let s of r.textures||[]){let o=n.getObjectExtension(s,Fe);o&&(s.source=o.source,n.removeObjectExtension(s,Fe))}n.removeExtension(Fe)}var Vn={};N(Vn,{decode:()=>Pf,encode:()=>wf,name:()=>Gf,preprocess:()=>vf});var So="4.2.1";var Lo={dataType:null,batchType:null,name:"Draco",id:"draco",module:"draco",version:So,worker:!0,extensions:["drc"],mimeTypes:["application/octet-stream"],binary:!0,tests:["DRACO"],options:{draco:{decoderType:typeof WebAssembly=="object"?"wasm":"js",libraryPath:"libs/",extraAttributes:{},attributeNameEntry:void 0}}};function Do(e,t,n){let r=Oo(t.metadata),s=[],o=Cf(t.attributes);for(let i in e){let c=e[i],a=Fo(i,c,o[i]);s.push(a)}if(n){let i=Fo("indices",n);s.push(i)}return{fields:s,metadata:r}}function Cf(e){let t={};for(let n in e){let r=e[n];t[r.name||"undefined"]=r}return t}function Fo(e,t,n){let r=n?Oo(n.metadata):void 0;return en(e,t,r)}function Oo(e){Object.entries(e);let t={};for(let n in e)t[`${n}.string`]=JSON.stringify(e[n]);return t}var Go={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},Ef={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array},_f=4,zt=class{draco;decoder;metadataQuerier;constructor(t){this.draco=t,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(t,n={}){let r=new this.draco.DecoderBuffer;r.Init(new Int8Array(t),t.byteLength),this._disableAttributeTransforms(n);let s=this.decoder.GetEncodedGeometryType(r),o=s===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let i;switch(s){case this.draco.TRIANGULAR_MESH:i=this.decoder.DecodeBufferToMesh(r,o);break;case this.draco.POINT_CLOUD:i=this.decoder.DecodeBufferToPointCloud(r,o);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!i.ok()||!o.ptr){let A=`DRACO decompression failed: ${i.error_msg()}`;throw new Error(A)}let c=this._getDracoLoaderData(o,s,n),a=this._getMeshData(o,c,n),f=Nt(a.attributes),l=Do(a.attributes,c,a.indices);return{loader:"draco",loaderData:c,header:{vertexCount:o.num_points(),boundingBox:f},...a,schema:l}}finally{this.draco.destroy(r),o&&this.draco.destroy(o)}}_getDracoLoaderData(t,n,r){let s=this._getTopLevelMetadata(t),o=this._getDracoAttributes(t,r);return{geometry_type:n,num_attributes:t.num_attributes(),num_points:t.num_points(),num_faces:t instanceof this.draco.Mesh?t.num_faces():0,metadata:s,attributes:o}}_getDracoAttributes(t,n){let r={};for(let s=0;s<t.num_attributes();s++){let o=this.decoder.GetAttribute(t,s),i=this._getAttributeMetadata(t,s);r[o.unique_id()]={unique_id:o.unique_id(),attribute_type:o.attribute_type(),data_type:o.data_type(),num_components:o.num_components(),byte_offset:o.byte_offset(),byte_stride:o.byte_stride(),normalized:o.normalized(),attribute_index:s,metadata:i};let 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r=t.num_faces()*3,s=r*_f,o=this.draco._malloc(s);try{return this.decoder.GetTrianglesUInt32Array(t,s,o),new Uint32Array(this.draco.HEAPF32.buffer,o,r).slice()}finally{this.draco._free(o)}}_getTriangleStripIndices(t){let n=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(t,n),bf(n)}finally{this.draco.destroy(n)}}_getAttributeValues(t,n){let r=Ef[n.data_type];if(!r)return console.warn(`DRACO: Unsupported attribute type ${n.data_type}`),null;let s=n.num_components,i=t.num_points()*s,c=i*r.BYTES_PER_ELEMENT,a=Tf(this.draco,r),f,l=this.draco._malloc(c);try{let h=this.decoder.GetAttribute(t,n.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(t,h,a,c,l),f=new r(this.draco.HEAPF32.buffer,l,i).slice()}finally{this.draco._free(l)}return{value:f,size:s}}_deduceAttributeName(t,n){let r=t.unique_id;for(let[i,c]of Object.entries(n.extraAttributes||{}))if(c===r)return i;let s=t.attribute_type;for(let i in Go)if(this.draco[i]===s)return Go[i];let 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t.scenes)this._convertSceneIds(n)}_convertTextureIds(t){t.source&&(t.source=this._convertIdToIndex(t.source,"image"))}_convertMeshIds(t){for(let n of t.primitives){let{attributes:r,indices:s,material:o}=n;for(let i in r)r[i]=this._convertIdToIndex(r[i],"accessor");s&&(n.indices=this._convertIdToIndex(s,"accessor")),o&&(n.material=this._convertIdToIndex(o,"material"))}}_convertNodeIds(t){t.children&&(t.children=t.children.map(n=>this._convertIdToIndex(n,"node"))),t.meshes&&(t.meshes=t.meshes.map(n=>this._convertIdToIndex(n,"mesh")))}_convertSceneIds(t){t.nodes&&(t.nodes=t.nodes.map(n=>this._convertIdToIndex(n,"node")))}_convertIdsToIndices(t,n){t[n]||(console.warn(`gltf v1: json doesn't contain attribute ${n}`),t[n]=[]);for(let r of t[n])for(let s in r){let o=r[s],i=this._convertIdToIndex(o,s);r[s]=i}}_convertIdToIndex(t,n){let r=El[n];if(r in this.idToIndexMap){let s=this.idToIndexMap[r][t];if(!Number.isFinite(s))throw new Error(`gltf v1: failed to resolve ${n} with id ${t}`);return s}return t}_updateObjects(t){for(let n of this.json.buffers)delete n.type}_updateMaterial(t){for(let n of t.materials){n.pbrMetallicRoughness={baseColorFactor:[1,1,1,1],metallicFactor:1,roughnessFactor:1};let r=n.values?.tex||n.values?.texture2d_0||n.values?.diffuseTex,s=t.textures.findIndex(o=>o.id===r);s!==-1&&(n.pbrMetallicRoughness.baseColorTexture={index:s})}}};function hi(e,t={}){return new nr().normalize(e,t)}async function Ai(e,t,n=0,r,s){return _l(e,t,n,r),hi(e,{normalize:r?.gltf?.normalize}),ii(e,r,s),r?.gltf?.loadBuffers&&e.json.buffers&&await Tl(e,r,s),r?.gltf?.loadImages&&await yl(e,r,s),await ci(e,r,s),e}function _l(e,t,n,r){if(r.uri&&(e.baseUri=r.uri),t instanceof ArrayBuffer&&!bo(t,n,r)&&(t=new TextDecoder().decode(t)),typeof t=="string")e.json=cn(t);else if(t instanceof ArrayBuffer){let i={};n=Ro(i,t,n,r.glb),b(i.type==="glTF",`Invalid GLB magic string ${i.type}`),e._glb=i,e.json=i.json}else b(!1,"GLTF: must be ArrayBuffer or string");let s=e.json.buffers||[];if(e.buffers=new Array(s.length).fill(null),e._glb&&e._glb.header.hasBinChunk){let{binChunks:i}=e._glb;e.buffers[0]={arrayBuffer:i[0].arrayBuffer,byteOffset:i[0].byteOffset,byteLength:i[0].byteLength}}let o=e.json.images||[];e.images=new Array(o.length).fill({})}async function Tl(e,t,n){let r=e.json.buffers||[];for(let s=0;s<r.length;++s){let o=r[s];if(o.uri){let{fetch:i}=n;b(i);let c=vn(o.uri,t),f=await(await n?.fetch?.(c))?.arrayBuffer?.();e.buffers[s]={arrayBuffer:f,byteOffset:0,byteLength:f.byteLength},delete o.uri}else e.buffers[s]===null&&(e.buffers[s]={arrayBuffer:new ArrayBuffer(o.byteLength),byteOffset:0,byteLength:o.byteLength})}}async function yl(e,t,n){let r=bl(e),s=e.json.images||[],o=[];for(let i of r)o.push(Rl(e,s[i],i,t,n));return await Promise.all(o)}function bl(e){let t=new Set,n=e.json.textures||[];for(let r of n)r.source!==void 0&&t.add(r.source);return Array.from(t).sort()}async function Rl(e,t,n,r,s){let o;if(t.uri&&!t.hasOwnProperty("bufferView")){let c=vn(t.uri,r),{fetch:a}=s;o=await(await a(c)).arrayBuffer(),t.bufferView={data:o}}if(Number.isFinite(t.bufferView)){let c=go(e.json,e.buffers,t.bufferView);o=Xt(c.buffer,c.byteOffset,c.byteLength)}b(o,"glTF image has no data");let i=await Jt(o,[xn,mn],{...r,mimeType:t.mimeType,basis:r.basis||{format:ue()}},s);i&&i[0]&&(i={compressed:!0,mipmaps:!1,width:i[0].width,height:i[0].height,data:i[0]}),e.images=e.images||[],e.images[n]=i}var qt={dataType:null,batchType:null,name:"glTF",id:"gltf",module:"gltf",version:To,extensions:["gltf","glb"],mimeTypes:["model/gltf+json","model/gltf-binary"],text:!0,binary:!0,tests:["glTF"],parse:Il,options:{gltf:{normalize:!0,loadBuffers:!0,loadImages:!0,decompressMeshes:!0},log:console}};async function Il(e,t={},n){t={...qt.options,...t},t.gltf={...qt.options.gltf,...t.gltf};let{byteOffset:r=0}=t;return await Ai({},e,r,t,n)}var Sl={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},Ll={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},H={TEXTURE_MAG_FILTER:10240,TEXTURE_MIN_FILTER:10241,TEXTURE_WRAP_S:10242,TEXTURE_WRAP_T:10243,REPEAT:10497,LINEAR:9729,NEAREST_MIPMAP_LINEAR:9986},Fl={magFilter:H.TEXTURE_MAG_FILTER,minFilter:H.TEXTURE_MIN_FILTER,wrapS:H.TEXTURE_WRAP_S,wrapT:H.TEXTURE_WRAP_T},Dl={[H.TEXTURE_MAG_FILTER]:H.LINEAR,[H.TEXTURE_MIN_FILTER]:H.NEAREST_MIPMAP_LINEAR,[H.TEXTURE_WRAP_S]:H.REPEAT,[H.TEXTURE_WRAP_T]:H.REPEAT};function Ol(){return{id:"default-sampler",parameters:Dl}}function Gl(e){return Ll[e]}function vl(e){return Sl[e]}var rr=class{baseUri="";jsonUnprocessed;json;buffers=[];images=[];postProcess(t,n={}){let{json:r,buffers:s=[],images:o=[]}=t,{baseUri:i=""}=t;return b(r),this.baseUri=i,this.buffers=s,this.images=o,this.jsonUnprocessed=r,this.json=this._resolveTree(t.json,n),this.json}_resolveTree(t,n={}){let r={...t};return this.json=r,t.bufferViews&&(r.bufferViews=t.bufferViews.map((s,o)=>this._resolveBufferView(s,o))),t.images&&(r.images=t.images.map((s,o)=>this._resolveImage(s,o))),t.samplers&&(r.samplers=t.samplers.map((s,o)=>this._resolveSampler(s,o))),t.textures&&(r.textures=t.textures.map((s,o)=>this._resolveTexture(s,o))),t.accessors&&(r.accessors=t.accessors.map((s,o)=>this._resolveAccessor(s,o))),t.materials&&(r.materials=t.materials.map((s,o)=>this._resolveMaterial(s,o))),t.meshes&&(r.meshes=t.meshes.map((s,o)=>this._resolveMesh(s,o))),t.nodes&&(r.nodes=t.nodes.map((s,o)=>this._resolveNode(s,o)),r.nodes=r.nodes.map((s,o)=>this._resolveNodeChildren(s))),t.skins&&(r.skins=t.skins.map((s,o)=>this._resolveSkin(s,o))),t.scenes&&(r.scenes=t.scenes.map((s,o)=>this._resolveScene(s,o))),typeof this.json.scene=="number"&&r.scenes&&(r.scene=r.scenes[this.json.scene]),r}getScene(t){return this._get(this.json.scenes,t)}getNode(t){return this._get(this.json.nodes,t)}getSkin(t){return this._get(this.json.skins,t)}getMesh(t){return this._get(this.json.meshes,t)}getMaterial(t){return this._get(this.json.materials,t)}getAccessor(t){return this._get(this.json.accessors,t)}getCamera(t){return this._get(this.json.cameras,t)}getTexture(t){return this._get(this.json.textures,t)}getSampler(t){return this._get(this.json.samplers,t)}getImage(t){return this._get(this.json.images,t)}getBufferView(t){return this._get(this.json.bufferViews,t)}getBuffer(t){return this._get(this.json.buffers,t)}_get(t,n){if(typeof n=="object")return n;let r=t&&t[n];return r||console.warn(`glTF file error: Could not find ${t}[${n}]`),r}_resolveScene(t,n){return{...t,id:t.id||`scene-${n}`,nodes:(t.nodes||[]).map(r=>this.getNode(r))}}_resolveNode(t,n){let r={...t,id:t?.id||`node-${n}`};return t.mesh!==void 0&&(r.mesh=this.getMesh(t.mesh)),t.camera!==void 0&&(r.camera=this.getCamera(t.camera)),t.skin!==void 0&&(r.skin=this.getSkin(t.skin)),t.meshes!==void 0&&t.meshes.length&&(r.mesh=t.meshes.reduce((s,o)=>{let i=this.getMesh(o);return s.id=i.id,s.primitives=s.primitives.concat(i.primitives),s},{primitives:[]})),r}_resolveNodeChildren(t){return t.children&&(t.children=t.children.map(n=>this.getNode(n))),t}_resolveSkin(t,n){let r=typeof t.inverseBindMatrices=="number"?this.getAccessor(t.inverseBindMatrices):void 0;return{...t,id:t.id||`skin-${n}`,inverseBindMatrices:r}}_resolveMesh(t,n){let r={...t,id:t.id||`mesh-${n}`,primitives:[]};return t.primitives&&(r.primitives=t.primitives.map(s=>{let o={...s,attributes:{},indices:void 0,material:void 0},i=s.attributes;for(let c in i)o.attributes[c]=this.getAccessor(i[c]);return s.indices!==void 0&&(o.indices=this.getAccessor(s.indices)),s.material!==void 0&&(o.material=this.getMaterial(s.material)),o})),r}_resolveMaterial(t,n){let r={...t,id:t.id||`material-${n}`};if(r.normalTexture&&(r.normalTexture={...r.normalTexture},r.normalTexture.texture=this.getTexture(r.normalTexture.index)),r.occlusionTexture&&(r.occlusionTexture={...r.occlusionTexture},r.occlusionTexture.texture=this.getTexture(r.occlusionTexture.index)),r.emissiveTexture&&(r.emissiveTexture={...r.emissiveTexture},r.emissiveTexture.texture=this.getTexture(r.emissiveTexture.index)),r.emissiveFactor||(r.emissiveFactor=r.emissiveTexture?[1,1,1]:[0,0,0]),r.pbrMetallicRoughness){r.pbrMetallicRoughness={...r.pbrMetallicRoughness};let s=r.pbrMetallicRoughness;s.baseColorTexture&&(s.baseColorTexture={...s.baseColorTexture},s.baseColorTexture.texture=this.getTexture(s.baseColorTexture.index)),s.metallicRoughnessTexture&&(s.metallicRoughnessTexture={...s.metallicRoughnessTexture},s.metallicRoughnessTexture.texture=this.getTexture(s.metallicRoughnessTexture.index))}return r}_resolveAccessor(t,n){let r=Gl(t.componentType),s=vl(t.type),o=r*s,i={...t,id:t.id||`accessor-${n}`,bytesPerComponent:r,components:s,bytesPerElement:o,value:void 0,bufferView:void 0,sparse:void 0};if(t.bufferView!==void 0&&(i.bufferView=this.getBufferView(t.bufferView)),i.bufferView){let c=i.bufferView.buffer,{ArrayType:a,byteLength:f}=Et(i,i.bufferView),l=(i.bufferView.byteOffset||0)+(i.byteOffset||0)+c.byteOffset,h=c.arrayBuffer.slice(l,l+f);i.bufferView.byteStride&&(h=this._getValueFromInterleavedBuffer(c,l,i.bufferView.byteStride,i.bytesPerElement,i.count)),i.value=new a(h)}return i}_getValueFromInterleavedBuffer(t,n,r,s,o){let i=new Uint8Array(o*s);for(let c=0;c<o;c++){let a=n+c*r;i.set(new Uint8Array(t.arrayBuffer.slice(a,a+s)),c*s)}return i.buffer}_resolveTexture(t,n){return{...t,id:t.id||`texture-${n}`,sampler:typeof t.sampler=="number"?this.getSampler(t.sampler):Ol(),source:typeof t.source=="number"?this.getImage(t.source):void 0}}_resolveSampler(t,n){let r={id:t.id||`sampler-${n}`,...t,parameters:{}};for(let s in r){let o=this._enumSamplerParameter(s);o!==void 0&&(r.parameters[o]=r[s])}return r}_enumSamplerParameter(t){return Fl[t]}_resolveImage(t,n){let r={...t,id:t.id||`image-${n}`,image:null,bufferView:t.bufferView!==void 0?this.getBufferView(t.bufferView):void 0},s=this.images[n];return s&&(r.image=s),r}_resolveBufferView(t,n){let r=t.buffer,s=this.buffers[r].arrayBuffer,o=this.buffers[r].byteOffset||0;return t.byteOffset&&(o+=t.byteOffset),{id:`bufferView-${n}`,...t,buffer:this.buffers[r],data:new Uint8Array(s,o,t.byteLength)}}_resolveCamera(t,n){let r={...t,id:t.id||`camera-${n}`};return r.perspective,r.orthographic,r}};function sr(e,t){return new rr().postProcess(e,t)}async function pi(e){let t=[];return e.scenes.forEach(n=>{n.traverse(r=>{Object.values(r.model.uniforms).forEach(s=>{s.loaded===!1&&t.push(s)})})}),await Pl(()=>t.some(n=>!n.loaded))}async function Pl(e){for(;e();)await new Promise(t=>requestAnimationFrame(t))}var mi=`uniform scenegraphUniforms {
  float sizeScale;
  float sizeMinPixels;
  float sizeMaxPixels;
  mat4 sceneModelMatrix;
  bool composeModelMatrix;
} scenegraph;
`,di={name:"scenegraph",vs:mi,fs:mi,uniformTypes:{sizeScale:"f32",sizeMinPixels:"f32",sizeMaxPixels:"f32",sceneModelMatrix:"mat4x4<f32>",composeModelMatrix:"f32"}};var ui=`#version 300 es
#define SHADER_NAME scenegraph-layer-vertex-shader
in vec3 instancePositions;
in vec3 instancePositions64Low;
in vec4 instanceColors;
in vec3 instancePickingColors;
in vec3 instanceModelMatrixCol0;
in vec3 instanceModelMatrixCol1;
in vec3 instanceModelMatrixCol2;
in vec3 instanceTranslation;
in vec3 positions;
#ifdef HAS_UV
in vec2 texCoords;
#endif
#ifdef LIGHTING_PBR
#ifdef HAS_NORMALS
in vec3 normals;
#endif
#endif
out vec4 vColor;
#ifndef LIGHTING_PBR
#ifdef HAS_UV
out vec2 vTEXCOORD_0;
#endif
#endif
void main(void) {
#if defined(HAS_UV) && !defined(LIGHTING_PBR)
vTEXCOORD_0 = texCoords;
geometry.uv = texCoords;
#endif
geometry.worldPosition = instancePositions;
geometry.pickingColor = instancePickingColors;
mat3 instanceModelMatrix = mat3(instanceModelMatrixCol0, instanceModelMatrixCol1, instanceModelMatrixCol2);
vec3 normal = vec3(0.0, 0.0, 1.0);
#ifdef LIGHTING_PBR
#ifdef HAS_NORMALS
normal = instanceModelMatrix * (scenegraph.sceneModelMatrix * vec4(normals, 0.0)).xyz;
#endif
#endif
float originalSize = project_size_to_pixel(scenegraph.sizeScale);
float clampedSize = clamp(originalSize, scenegraph.sizeMinPixels, scenegraph.sizeMaxPixels);
vec3 pos = (instanceModelMatrix * (scenegraph.sceneModelMatrix * vec4(positions, 1.0)).xyz) * scenegraph.sizeScale * (clampedSize / originalSize) + instanceTranslation;
if(scenegraph.composeModelMatrix) {
DECKGL_FILTER_SIZE(pos, geometry);
geometry.normal = project_normal(normal);
geometry.worldPosition += pos;
gl_Position = project_position_to_clipspace(pos + instancePositions, instancePositions64Low, vec3(0.0), geometry.position);
}
else {
pos = project_size(pos);
DECKGL_FILTER_SIZE(pos, geometry);
gl_Position = project_position_to_clipspace(instancePositions, instancePositions64Low, pos, geometry.position);
geometry.normal = project_normal(normal);
}
DECKGL_FILTER_GL_POSITION(gl_Position, geometry);
#ifdef LIGHTING_PBR
pbr_vPosition = geometry.position.xyz;
#ifdef HAS_NORMALS
pbr_vNormal = geometry.normal;
#endif
#ifdef HAS_UV
pbr_vUV = texCoords;
#else
pbr_vUV = vec2(0., 0.);
#endif
geometry.uv = pbr_vUV;
#endif
vColor = instanceColors;
DECKGL_FILTER_COLOR(vColor, geometry);
}
`;var gi=`#version 300 es
#define SHADER_NAME scenegraph-layer-fragment-shader
in vec4 vColor;
out vec4 fragColor;
#ifndef LIGHTING_PBR
#if defined(HAS_UV) && defined(HAS_BASECOLORMAP)
in vec2 vTEXCOORD_0;
uniform sampler2D pbr_baseColorSampler;
#endif
#endif
void main(void) {
#ifdef LIGHTING_PBR
fragColor = vColor * pbr_filterColor(vec4(0));
geometry.uv = pbr_vUV;
#else
#if defined(HAS_UV) && defined(HAS_BASECOLORMAP)
fragColor = vColor * texture(pbr_baseColorSampler, vTEXCOORD_0);
geometry.uv = vTEXCOORD_0;
#else
fragColor = vColor;
#endif
#endif
fragColor.a *= layer.opacity;
DECKGL_FILTER_COLOR(fragColor, geometry);
}
`;var Bi=[255,255,255,255],wl={scenegraph:{type:"object",value:null,async:!0},getScene:e=>e&&e.scenes?typeof e.scene=="object"?e.scene:e.scenes[e.scene||0]:e,getAnimator:e=>e&&e.animator,_animations:null,sizeScale:{type:"number",value:1,min:0},sizeMinPixels:{type:"number",min:0,value:0},sizeMaxPixels:{type:"number",min:0,value:Number.MAX_SAFE_INTEGER},getPosition:{type:"accessor",value:e=>e.position},getColor:{type:"accessor",value:Bi},_lighting:"flat",_imageBasedLightingEnvironment:void 0,getOrientation:{type:"accessor",value:[0,0,0]},getScale:{type:"accessor",value:[1,1,1]},getTranslation:{type:"accessor",value:[0,0,0]},getTransformMatrix:{type:"accessor",value:[]},loaders:[qt]},Zt=class extends W.Layer{getShaders(){let t={},n;this.props._lighting==="pbr"?(n=wt,t.LIGHTING_PBR=1):n={name:"pbrMaterial"};let r=[W.project32,W.picking,di,n];return super.getShaders({defines:t,vs:ui,fs:gi,modules:r})}initializeState(){this.getAttributeManager().addInstanced({instancePositions:{size:3,type:"float64",fp64:this.use64bitPositions(),accessor:"getPosition",transition:!0},instanceColors:{type:"unorm8",size:this.props.colorFormat.length,accessor:"getColor",defaultValue:Bi,transition:!0},instanceModelMatrix:he})}updateState(t){super.updateState(t);let{props:n,oldProps:r}=t;n.scenegraph!==r.scenegraph?this._updateScenegraph():n._animations!==r._animations&&this._applyAnimationsProp(this.state.animator,n._animations)}finalizeState(t){super.finalizeState(t),this.state.scenegraph?.destroy()}get isLoaded(){return Boolean(this.state?.scenegraph&&super.isLoaded)}_updateScenegraph(){let t=this.props,{device:n}=this.context,r=null;if(t.scenegraph instanceof ht.ScenegraphNode)r={scenes:[t.scenegraph]};else if(t.scenegraph&&typeof t.scenegraph=="object"){let c=t.scenegraph,a=c.json?sr(c):c,f=bn(n,a,this._getModelOptions());r={gltf:a,...f},pi(f).then(()=>{this.setNeedsRedraw()}).catch(l=>{this.raiseError(l,"loading glTF")})}let s={layer:this,device:this.context.device},o=t.getScene(r,s),i=t.getAnimator(r,s);if(o instanceof ht.GroupNode){this.state.scenegraph?.destroy(),this._applyAnimationsProp(i,t._animations);let c=[];o.traverse(a=>{a instanceof ht.ModelNode&&c.push(a.model)}),this.setState({scenegraph:o,animator:i,models:c}),this.getAttributeManager().invalidateAll()}else o!==null&&W.log.warn("invalid scenegraph:",o)()}_applyAnimationsProp(t,n){if(!t||!n)return;let r=t.getAnimations();Object.keys(n).sort().forEach(s=>{let o=n[s];if(s==="*")r.forEach(i=>{Object.assign(i,o)});else if(Number.isFinite(Number(s))){let i=Number(s);i>=0&&i<r.length?Object.assign(r[i],o):W.log.warn(`animation ${s} not found`)()}else{let i=r.find(({name:c})=>c===s);i?Object.assign(i,o):W.log.warn(`animation ${s} not found`)()}})}_getModelOptions(){let{_imageBasedLightingEnvironment:t}=this.props,n;return t&&(typeof t=="function"?n=t({gl:this.context.gl,layer:this}):n=t),{imageBasedLightingEnvironment:n,modelOptions:{id:this.props.id,isInstanced:!0,bufferLayout:this.getAttributeManager().getBufferLayouts(),...this.getShaders()},useTangents:!1}}draw({context:t}){if(!this.state.scenegraph)return;this.props._animations&&this.state.animator&&(this.state.animator.animate(t.timeline.getTime()),this.setNeedsRedraw());let{viewport:n,renderPass:r}=this.context,{sizeScale:s,sizeMinPixels:o,sizeMaxPixels:i,coordinateSystem:c}=this.props,a=this.getNumInstances();this.state.scenegraph.traverse((f,{worldMatrix:l})=>{if(f instanceof ht.ModelNode){let{model:h}=f;h.setInstanceCount(a);let A={camera:h.uniforms.cameraPosition},p={sizeScale:s,sizeMinPixels:o,sizeMaxPixels:i,composeModelMatrix:Ae(n,c),sceneModelMatrix:l};h.shaderInputs.setProps({pbrProjection:A,scenegraph:p}),h.draw(r)}})}};Zt.defaultProps=wl;Zt.layerName="ScenegraphLayer";var xi=Zt;return yi($t);})();
      return __exports__;
      });