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n<a&&w.assign(e.lo(n,0),this.minmaxMatrix.lo(i,0)),e}_createPrunedQuantized(t){let r,a,e=t.length,n=this.quantized.shape[0]-e,s=this._quantizationMethod;if("norm8x"===s){a=this._quantized.shape[1];let t=a?n*a:n;r=(0,M.default)(new Uint8Array(t),a?[n,a]:[n,1])}else r="norm565"===s?(0,M.default)(new Uint16Array(n),[n]):(0,M.default)(new Uint32Array(n),[n]);let i=0,o=n,h=0,u=r.shape[0];for(let l=0;l<t.length;l++)u=t[l],o=u-h+i,o>i&&(a?w.assign(r.hi(o,a).lo(i,0),this._quantized.hi(u,a).lo(h,0)):w.assign(r.hi(o).lo(i),this._quantized.hi(u).lo(h))),i=o,h=u+1;return i<n&&(a?w.assign(r.lo(i,0),this._quantized.lo(h,0)):w.assign(r.lo(i),this._quantized.lo(h))),r}pruneFeature(t,r,a){let e=this._createPrunedQuantized(t),n=this._createPrunedMinMax(r);return new z(e,n,this._chunkSize,this._quantizationMethod,a,!0)}static getRequiredNChunks(t,r){return Math.floor(t/r)}static fromArray(t,r,a){let e,n=t.shape[0],s=Math.floor(n/a),i=(0,M.default)(new 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R(this.config,this.xyz.pruneFeature(t,e,r),this.scaling.pruneFeature(t,e,r),this.color.pruneFeature(t,e,r),this.opacity.pruneFeature(t,e,r),this.quaternion.pruneFeature(t,e,r),this.harmonics?this.harmonics.map((r=>r.pruneFeature(t,e,this.variableChunkSize))):void 0,r)}static async loadConfig(t){return await(await fetch(t,{method:"GET",mode:"cors",headers:{Accept:"application/json"}})).json()}toGaussians(){let t={},r=0;if(t.x={dtype:"float",index:r},r++,t.y={dtype:"float",index:r},r++,t.z={dtype:"float",index:r},r++,t.f_dc_0={dtype:"float",index:r},r++,t.f_dc_1={dtype:"float",index:r},r++,t.f_dc_2={dtype:"float",index:r},r++,this.harmonics&&this.harmonics.length>0)for(let e=0;e<this.harmonics.length;e++)t[`f_rest_${e}`]={dtype:"float",index:r},r++,t[`f_rest_${e+1}`]={dtype:"float",index:r},r++,t[`f_rest_${e+2}`]={dtype:"float",index:r},r++;t.opacity={dtype:"float",index:r},r++,t.scale_0={dtype:"float",index:r},r++,t.scale_1={dtype:"float",index:r},r++,t.scale_2={dtype:"float",index:r},r++,t.rot_0={dtype:"float",index:r},r++,t.rot_1={dtype:"float",index:r},r++,t.rot_2={dtype:"float",index:r},r++,t.rot_3={dtype:"float",index:r},r++;let a=this.harmonics?.map((t=>t.denormDequant()));return new T(t,{format:"binary_little_endian",version:"1.0"},this.xyz.length,this.xyz.denormDequant(),this.color.denormDequant(),a||[],this.opacity.denormDequant(),this.scaling.denormDequant(),this.quaternion.denormDequant(),3)}},G=c(y(),1),H=c(v(),1),W=1e-6,Y=typeof Float32Array<"u"?Float32Array:Array,Q=Math.random;Math.PI;Math.hypot||(Math.hypot=function(){for(var t=0,r=arguments.length;r--;)t+=arguments[r]*arguments[r];return Math.sqrt(t)});var Z={};function X(){var t=new Y(9);return Y!=Float32Array&&(t[1]=0,t[2]=0,t[3]=0,t[5]=0,t[6]=0,t[7]=0),t[0]=1,t[4]=1,t[8]=1,t}function J(t,r){return t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=r[4],t[4]=r[5],t[5]=r[6],t[6]=r[8],t[7]=r[9],t[8]=r[10],t}function K(t){var r=new Y(9);return r[0]=t[0],r[1]=t[1],r[2]=t[2],r[3]=t[3],r[4]=t[4],r[5]=t[5],r[6]=t[6],r[7]=t[7],r[8]=t[8],r}function tt(t,r){return t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=r[3],t[4]=r[4],t[5]=r[5],t[6]=r[6],t[7]=r[7],t[8]=r[8],t}function rt(t,r,a,e,n,s,i,o,h){var u=new Y(9);return u[0]=t,u[1]=r,u[2]=a,u[3]=e,u[4]=n,u[5]=s,u[6]=i,u[7]=o,u[8]=h,u}function at(t,r,a,e,n,s,i,o,h,u){return t[0]=r,t[1]=a,t[2]=e,t[3]=n,t[4]=s,t[5]=i,t[6]=o,t[7]=h,t[8]=u,t}function et(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t}function nt(t,r){if(t===r){var a=r[1],e=r[2],n=r[5];t[1]=r[3],t[2]=r[6],t[3]=a,t[5]=r[7],t[6]=e,t[7]=n}else t[0]=r[0],t[1]=r[3],t[2]=r[6],t[3]=r[1],t[4]=r[4],t[5]=r[7],t[6]=r[2],t[7]=r[5],t[8]=r[8];return t}function st(t,r){var a=r[0],e=r[1],n=r[2],s=r[3],i=r[4],o=r[5],h=r[6],u=r[7],l=r[8],c=l*i-o*u,f=-l*s+o*h,p=u*s-i*h,d=a*c+e*f+n*p;return d?(d=1/d,t[0]=c*d,t[1]=(-l*e+n*u)*d,t[2]=(o*e-n*i)*d,t[3]=f*d,t[4]=(l*a-n*h)*d,t[5]=(-o*a+n*s)*d,t[6]=p*d,t[7]=(-u*a+e*h)*d,t[8]=(i*a-e*s)*d,t):null}function it(t,r){var a=r[0],e=r[1],n=r[2],s=r[3],i=r[4],o=r[5],h=r[6],u=r[7],l=r[8];return t[0]=i*l-o*u,t[1]=n*u-e*l,t[2]=e*o-n*i,t[3]=o*h-s*l,t[4]=a*l-n*h,t[5]=n*s-a*o,t[6]=s*u-i*h,t[7]=e*h-a*u,t[8]=a*i-e*s,t}function ot(t){var r=t[0],a=t[1],e=t[2],n=t[3],s=t[4],i=t[5],o=t[6],h=t[7],u=t[8];return r*(u*s-i*h)+a*(-u*n+i*o)+e*(h*n-s*o)}function ht(t,r,a){var e=r[0],n=r[1],s=r[2],i=r[3],o=r[4],h=r[5],u=r[6],l=r[7],c=r[8],f=a[0],p=a[1],d=a[2],y=a[3],g=a[4],m=a[5],b=a[6],_=a[7],v=a[8];return t[0]=f*e+p*i+d*u,t[1]=f*n+p*o+d*l,t[2]=f*s+p*h+d*c,t[3]=y*e+g*i+m*u,t[4]=y*n+g*o+m*l,t[5]=y*s+g*h+m*c,t[6]=b*e+_*i+v*u,t[7]=b*n+_*o+v*l,t[8]=b*s+_*h+v*c,t}function ut(t,r,a){var e=r[0],n=r[1],s=r[2],i=r[3],o=r[4],h=r[5],u=r[6],l=r[7],c=r[8],f=a[0],p=a[1];return t[0]=e,t[1]=n,t[2]=s,t[3]=i,t[4]=o,t[5]=h,t[6]=f*e+p*i+u,t[7]=f*n+p*o+l,t[8]=f*s+p*h+c,t}function lt(t,r,a){var e=r[0],n=r[1],s=r[2],i=r[3],o=r[4],h=r[5],u=r[6],l=r[7],c=r[8],f=Math.sin(a),p=Math.cos(a);return t[0]=p*e+f*i,t[1]=p*n+f*o,t[2]=p*s+f*h,t[3]=p*i-f*e,t[4]=p*o-f*n,t[5]=p*h-f*s,t[6]=u,t[7]=l,t[8]=c,t}function ct(t,r,a){var e=a[0],n=a[1];return t[0]=e*r[0],t[1]=e*r[1],t[2]=e*r[2],t[3]=n*r[3],t[4]=n*r[4],t[5]=n*r[5],t[6]=r[6],t[7]=r[7],t[8]=r[8],t}function ft(t,r){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=r[0],t[7]=r[1],t[8]=1,t}function pt(t,r){var a=Math.sin(r),e=Math.cos(r);return t[0]=e,t[1]=a,t[2]=0,t[3]=-a,t[4]=e,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t}function dt(t,r){return t[0]=r[0],t[1]=0,t[2]=0,t[3]=0,t[4]=r[1],t[5]=0,t[6]=0,t[7]=0,t[8]=1,t}function yt(t,r){return t[0]=r[0],t[1]=r[1],t[2]=0,t[3]=r[2],t[4]=r[3],t[5]=0,t[6]=r[4],t[7]=r[5],t[8]=1,t}function gt(t,r){var a=r[0],e=r[1],n=r[2],s=r[3],i=a+a,o=e+e,h=n+n,u=a*i,l=e*i,c=e*o,f=n*i,p=n*o,d=n*h,y=s*i,g=s*o,m=s*h;return t[0]=1-c-d,t[3]=l-m,t[6]=f+g,t[1]=l+m,t[4]=1-u-d,t[7]=p-y,t[2]=f-g,t[5]=p+y,t[8]=1-u-c,t}function mt(t,r){var a=r[0],e=r[1],n=r[2],s=r[3],i=r[4],o=r[5],h=r[6],u=r[7],l=r[8],c=r[9],f=r[10],p=r[11],d=r[12],y=r[13],g=r[14],m=r[15],b=a*o-e*i,_=a*h-n*i,v=a*u-s*i,M=e*h-n*o,w=e*u-s*o,x=n*u-s*h,k=l*y-c*d,A=l*g-f*d,q=l*m-p*d,z=c*g-f*y,j=c*m-p*y,V=f*m-p*g,S=b*V-_*j+v*z+M*q-w*A+x*k;return S?(S=1/S,t[0]=(o*V-h*j+u*z)*S,t[1]=(h*q-i*V-u*A)*S,t[2]=(i*j-o*q+u*k)*S,t[3]=(n*j-e*V-s*z)*S,t[4]=(a*V-n*q+s*A)*S,t[5]=(e*q-a*j-s*k)*S,t[6]=(y*x-g*w+m*M)*S,t[7]=(g*v-d*x-m*_)*S,t[8]=(d*w-y*v+m*b)*S,t):null}function bt(t,r,a){return t[0]=2/r,t[1]=0,t[2]=0,t[3]=0,t[4]=-2/a,t[5]=0,t[6]=-1,t[7]=1,t[8]=1,t}function _t(t){return"mat3("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+")"}function vt(t){return Math.hypot(t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8])}function Mt(t,r,a){return t[0]=r[0]+a[0],t[1]=r[1]+a[1],t[2]=r[2]+a[2],t[3]=r[3]+a[3],t[4]=r[4]+a[4],t[5]=r[5]+a[5],t[6]=r[6]+a[6],t[7]=r[7]+a[7],t[8]=r[8]+a[8],t}function wt(t,r,a){return t[0]=r[0]-a[0],t[1]=r[1]-a[1],t[2]=r[2]-a[2],t[3]=r[3]-a[3],t[4]=r[4]-a[4],t[5]=r[5]-a[5],t[6]=r[6]-a[6],t[7]=r[7]-a[7],t[8]=r[8]-a[8],t}function xt(t,r,a){return t[0]=r[0]*a,t[1]=r[1]*a,t[2]=r[2]*a,t[3]=r[3]*a,t[4]=r[4]*a,t[5]=r[5]*a,t[6]=r[6]*a,t[7]=r[7]*a,t[8]=r[8]*a,t}function kt(t,r,a,e){return t[0]=r[0]+a[0]*e,t[1]=r[1]+a[1]*e,t[2]=r[2]+a[2]*e,t[3]=r[3]+a[3]*e,t[4]=r[4]+a[4]*e,t[5]=r[5]+a[5]*e,t[6]=r[6]+a[6]*e,t[7]=r[7]+a[7]*e,t[8]=r[8]+a[8]*e,t}function At(t,r){return t[0]===r[0]&&t[1]===r[1]&&t[2]===r[2]&&t[3]===r[3]&&t[4]===r[4]&&t[5]===r[5]&&t[6]===r[6]&&t[7]===r[7]&&t[8]===r[8]}function qt(t,r){var a=t[0],e=t[1],n=t[2],s=t[3],i=t[4],o=t[5],h=t[6],u=t[7],l=t[8],c=r[0],f=r[1],p=r[2],d=r[3],y=r[4],g=r[5],m=r[6],b=r[7],_=r[8];return Math.abs(a-c)<=W*Math.max(1,Math.abs(a),Math.abs(c))&&Math.abs(e-f)<=W*Math.max(1,Math.abs(e),Math.abs(f))&&Math.abs(n-p)<=W*Math.max(1,Math.abs(n),Math.abs(p))&&Math.abs(s-d)<=W*Math.max(1,Math.abs(s),Math.abs(d))&&Math.abs(i-y)<=W*Math.max(1,Math.abs(i),Math.abs(y))&&Math.abs(o-g)<=W*Math.max(1,Math.abs(o),Math.abs(g))&&Math.abs(h-m)<=W*Math.max(1,Math.abs(h),Math.abs(m))&&Math.abs(u-b)<=W*Math.max(1,Math.abs(u),Math.abs(b))&&Math.abs(l-_)<=W*Math.max(1,Math.abs(l),Math.abs(_))}l(Z,{add:()=>Mt,adjoint:()=>it,clone:()=>K,copy:()=>tt,create:()=>X,determinant:()=>ot,equals:()=>qt,exactEquals:()=>At,frob:()=>vt,fromMat2d:()=>yt,fromMat4:()=>J,fromQuat:()=>gt,fromRotation:()=>pt,fromScaling:()=>dt,fromTranslation:()=>ft,fromValues:()=>rt,identity:()=>et,invert:()=>st,mul:()=>zt,multiply:()=>ht,multiplyScalar:()=>xt,multiplyScalarAndAdd:()=>kt,normalFromMat4:()=>mt,projection:()=>bt,rotate:()=>lt,scale:()=>ct,set:()=>at,str:()=>_t,sub:()=>jt,subtract:()=>wt,translate:()=>ut,transpose:()=>nt});var zt=ht,jt=wt,Vt={};function St(){var t=new Y(16);return Y!=Float32Array&&(t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0),t[0]=1,t[5]=1,t[10]=1,t[15]=1,t}function It(t){var r=new Y(16);return r[0]=t[0],r[1]=t[1],r[2]=t[2],r[3]=t[3],r[4]=t[4],r[5]=t[5],r[6]=t[6],r[7]=t[7],r[8]=t[8],r[9]=t[9],r[10]=t[10],r[11]=t[11],r[12]=t[12],r[13]=t[13],r[14]=t[14],r[15]=t[15],r}function Dt(t,r){return t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=r[3],t[4]=r[4],t[5]=r[5],t[6]=r[6],t[7]=r[7],t[8]=r[8],t[9]=r[9],t[10]=r[10],t[11]=r[11],t[12]=r[12],t[13]=r[13],t[14]=r[14],t[15]=r[15],t}function Ft(t,r,a,e,n,s,i,o,h,u,l,c,f,p,d,y){var g=new Y(16);return g[0]=t,g[1]=r,g[2]=a,g[3]=e,g[4]=n,g[5]=s,g[6]=i,g[7]=o,g[8]=h,g[9]=u,g[10]=l,g[11]=c,g[12]=f,g[13]=p,g[14]=d,g[15]=y,g}function Bt(t,r,a,e,n,s,i,o,h,u,l,c,f,p,d,y,g){return t[0]=r,t[1]=a,t[2]=e,t[3]=n,t[4]=s,t[5]=i,t[6]=o,t[7]=h,t[8]=u,t[9]=l,t[10]=c,t[11]=f,t[12]=p,t[13]=d,t[14]=y,t[15]=g,t}function Nt(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function Ut(t,r){if(t===r){var a=r[1],e=r[2],n=r[3],s=r[6],i=r[7],o=r[11];t[1]=r[4],t[2]=r[8],t[3]=r[12],t[4]=a,t[6]=r[9],t[7]=r[13],t[8]=e,t[9]=s,t[11]=r[14],t[12]=n,t[13]=i,t[14]=o}else t[0]=r[0],t[1]=r[4],t[2]=r[8],t[3]=r[12],t[4]=r[1],t[5]=r[5],t[6]=r[9],t[7]=r[13],t[8]=r[2],t[9]=r[6],t[10]=r[10],t[11]=r[14],t[12]=r[3],t[13]=r[7],t[14]=r[11],t[15]=r[15];return t}function Ct(t,r){var a=r[0],e=r[1],n=r[2],s=r[3],i=r[4],o=r[5],h=r[6],u=r[7],l=r[8],c=r[9],f=r[10],p=r[11],d=r[12],y=r[13],g=r[14],m=r[15],b=a*o-e*i,_=a*h-n*i,v=a*u-s*i,M=e*h-n*o,w=e*u-s*o,x=n*u-s*h,k=l*y-c*d,A=l*g-f*d,q=l*m-p*d,z=c*g-f*y,j=c*m-p*y,V=f*m-p*g,S=b*V-_*j+v*z+M*q-w*A+x*k;
1return S?(S=1/S,t[0]=(o*V-h*j+u*z)*S,t[1]=(n*j-e*V-s*z)*S,t[2]=(y*x-g*w+m*M)*S,t[3]=(f*w-c*x-p*M)*S,t[4]=(h*q-i*V-u*A)*S,t[5]=(a*V-n*q+s*A)*S,t[6]=(g*v-d*x-m*_)*S,t[7]=(l*x-f*v+p*_)*S,t[8]=(i*j-o*q+u*k)*S,t[9]=(e*q-a*j-s*k)*S,t[10]=(d*w-y*v+m*b)*S,t[11]=(c*v-l*w-p*b)*S,t[12]=(o*A-i*z-h*k)*S,t[13]=(a*z-e*A+n*k)*S,t[14]=(y*_-d*M-g*b)*S,t[15]=(l*M-c*_+f*b)*S,t):null}function Lt(t,r){var a=r[0],e=r[1],n=r[2],s=r[3],i=r[4],o=r[5],h=r[6],u=r[7],l=r[8],c=r[9],f=r[10],p=r[11],d=r[12],y=r[13],g=r[14],m=r[15];return t[0]=o*(f*m-p*g)-c*(h*m-u*g)+y*(h*p-u*f),t[1]=-(e*(f*m-p*g)-c*(n*m-s*g)+y*(n*p-s*f)),t[2]=e*(h*m-u*g)-o*(n*m-s*g)+y*(n*u-s*h),t[3]=-(e*(h*p-u*f)-o*(n*p-s*f)+c*(n*u-s*h)),t[4]=-(i*(f*m-p*g)-l*(h*m-u*g)+d*(h*p-u*f)),t[5]=a*(f*m-p*g)-l*(n*m-s*g)+d*(n*p-s*f),t[6]=-(a*(h*m-u*g)-i*(n*m-s*g)+d*(n*u-s*h)),t[7]=a*(h*p-u*f)-i*(n*p-s*f)+l*(n*u-s*h),t[8]=i*(c*m-p*y)-l*(o*m-u*y)+d*(o*p-u*c),t[9]=-(a*(c*m-p*y)-l*(e*m-s*y)+d*(e*p-s*c)),t[10]=a*(o*m-u*y)-i*(e*m-s*y)+d*(e*u-s*o),t[11]=-(a*(o*p-u*c)-i*(e*p-s*c)+l*(e*u-s*o)),t[12]=-(i*(c*g-f*y)-l*(o*g-h*y)+d*(o*f-h*c)),t[13]=a*(c*g-f*y)-l*(e*g-n*y)+d*(e*f-n*c),t[14]=-(a*(o*g-h*y)-i*(e*g-n*y)+d*(e*h-n*o)),t[15]=a*(o*f-h*c)-i*(e*f-n*c)+l*(e*h-n*o),t}function Et(t){var r=t[0],a=t[1],e=t[2],n=t[3],s=t[4],i=t[5],o=t[6],h=t[7],u=t[8],l=t[9],c=t[10],f=t[11],p=t[12],d=t[13],y=t[14],g=t[15];return(r*i-a*s)*(c*g-f*y)-(r*o-e*s)*(l*g-f*d)+(r*h-n*s)*(l*y-c*d)+(a*o-e*i)*(u*g-f*p)-(a*h-n*i)*(u*y-c*p)+(e*h-n*o)*(u*d-l*p)}function Ot(t,r,a){var e=r[0],n=r[1],s=r[2],i=r[3],o=r[4],h=r[5],u=r[6],l=r[7],c=r[8],f=r[9],p=r[10],d=r[11],y=r[12],g=r[13],m=r[14],b=r[15],_=a[0],v=a[1],M=a[2],w=a[3];return t[0]=_*e+v*o+M*c+w*y,t[1]=_*n+v*h+M*f+w*g,t[2]=_*s+v*u+M*p+w*m,t[3]=_*i+v*l+M*d+w*b,_=a[4],v=a[5],M=a[6],w=a[7],t[4]=_*e+v*o+M*c+w*y,t[5]=_*n+v*h+M*f+w*g,t[6]=_*s+v*u+M*p+w*m,t[7]=_*i+v*l+M*d+w*b,_=a[8],v=a[9],M=a[10],w=a[11],t[8]=_*e+v*o+M*c+w*y,t[9]=_*n+v*h+M*f+w*g,t[10]=_*s+v*u+M*p+w*m,t[11]=_*i+v*l+M*d+w*b,_=a[12],v=a[13],M=a[14],w=a[15],t[12]=_*e+v*o+M*c+w*y,t[13]=_*n+v*h+M*f+w*g,t[14]=_*s+v*u+M*p+w*m,t[15]=_*i+v*l+M*d+w*b,t}function $t(t,r,a){var e,n,s,i,o,h,u,l,c,f,p,d,y=a[0],g=a[1],m=a[2];return r===t?(t[12]=r[0]*y+r[4]*g+r[8]*m+r[12],t[13]=r[1]*y+r[5]*g+r[9]*m+r[13],t[14]=r[2]*y+r[6]*g+r[10]*m+r[14],t[15]=r[3]*y+r[7]*g+r[11]*m+r[15]):(e=r[0],n=r[1],s=r[2],i=r[3],o=r[4],h=r[5],u=r[6],l=r[7],c=r[8],f=r[9],p=r[10],d=r[11],t[0]=e,t[1]=n,t[2]=s,t[3]=i,t[4]=o,t[5]=h,t[6]=u,t[7]=l,t[8]=c,t[9]=f,t[10]=p,t[11]=d,t[12]=e*y+o*g+c*m+r[12],t[13]=n*y+h*g+f*m+r[13],t[14]=s*y+u*g+p*m+r[14],t[15]=i*y+l*g+d*m+r[15]),t}function Pt(t,r,a){var e=a[0],n=a[1],s=a[2];return t[0]=r[0]*e,t[1]=r[1]*e,t[2]=r[2]*e,t[3]=r[3]*e,t[4]=r[4]*n,t[5]=r[5]*n,t[6]=r[6]*n,t[7]=r[7]*n,t[8]=r[8]*s,t[9]=r[9]*s,t[10]=r[10]*s,t[11]=r[11]*s,t[12]=r[12],t[13]=r[13],t[14]=r[14],t[15]=r[15],t}function Tt(t,r,a,e){var n,s,i,o,h,u,l,c,f,p,d,y,g,m,b,_,v,M,w,x,k,A,q,z,j=e[0],V=e[1],S=e[2],I=Math.hypot(j,V,S);return I<W?null:(j*=I=1/I,V*=I,S*=I,n=Math.sin(a),i=1-(s=Math.cos(a)),o=r[0],h=r[1],u=r[2],l=r[3],c=r[4],f=r[5],p=r[6],d=r[7],y=r[8],g=r[9],m=r[10],b=r[11],_=j*j*i+s,v=V*j*i+S*n,M=S*j*i-V*n,w=j*V*i-S*n,x=V*V*i+s,k=S*V*i+j*n,A=j*S*i+V*n,q=V*S*i-j*n,z=S*S*i+s,t[0]=o*_+c*v+y*M,t[1]=h*_+f*v+g*M,t[2]=u*_+p*v+m*M,t[3]=l*_+d*v+b*M,t[4]=o*w+c*x+y*k,t[5]=h*w+f*x+g*k,t[6]=u*w+p*x+m*k,t[7]=l*w+d*x+b*k,t[8]=o*A+c*q+y*z,t[9]=h*A+f*q+g*z,t[10]=u*A+p*q+m*z,t[11]=l*A+d*q+b*z,r!==t&&(t[12]=r[12],t[13]=r[13],t[14]=r[14],t[15]=r[15]),t)}function Rt(t,r,a){var e=Math.sin(a),n=Math.cos(a),s=r[4],i=r[5],o=r[6],h=r[7],u=r[8],l=r[9],c=r[10],f=r[11];return r!==t&&(t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=r[3],t[12]=r[12],t[13]=r[13],t[14]=r[14],t[15]=r[15]),t[4]=s*n+u*e,t[5]=i*n+l*e,t[6]=o*n+c*e,t[7]=h*n+f*e,t[8]=u*n-s*e,t[9]=l*n-i*e,t[10]=c*n-o*e,t[11]=f*n-h*e,t}function Gt(t,r,a){var e=Math.sin(a),n=Math.cos(a),s=r[0],i=r[1],o=r[2],h=r[3],u=r[8],l=r[9],c=r[10],f=r[11];return r!==t&&(t[4]=r[4],t[5]=r[5],t[6]=r[6],t[7]=r[7],t[12]=r[12],t[13]=r[13],t[14]=r[14],t[15]=r[15]),t[0]=s*n-u*e,t[1]=i*n-l*e,t[2]=o*n-c*e,t[3]=h*n-f*e,t[8]=s*e+u*n,t[9]=i*e+l*n,t[10]=o*e+c*n,t[11]=h*e+f*n,t}function Ht(t,r,a){var e=Math.sin(a),n=Math.cos(a),s=r[0],i=r[1],o=r[2],h=r[3],u=r[4],l=r[5],c=r[6],f=r[7];return r!==t&&(t[8]=r[8],t[9]=r[9],t[10]=r[10],t[11]=r[11],t[12]=r[12],t[13]=r[13],t[14]=r[14],t[15]=r[15]),t[0]=s*n+u*e,t[1]=i*n+l*e,t[2]=o*n+c*e,t[3]=h*n+f*e,t[4]=u*n-s*e,t[5]=l*n-i*e,t[6]=c*n-o*e,t[7]=f*n-h*e,t}function Wt(t,r){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t}function Yt(t,r){return t[0]=r[0],t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=r[1],t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=r[2],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function Qt(t,r,a){var e,n,s,i=a[0],o=a[1],h=a[2],u=Math.hypot(i,o,h);return u<W?null:(i*=u=1/u,o*=u,h*=u,e=Math.sin(r),s=1-(n=Math.cos(r)),t[0]=i*i*s+n,t[1]=o*i*s+h*e,t[2]=h*i*s-o*e,t[3]=0,t[4]=i*o*s-h*e,t[5]=o*o*s+n,t[6]=h*o*s+i*e,t[7]=0,t[8]=i*h*s+o*e,t[9]=o*h*s-i*e,t[10]=h*h*s+n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t)}function Zt(t,r){var a=Math.sin(r),e=Math.cos(r);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=e,t[6]=a,t[7]=0,t[8]=0,t[9]=-a,t[10]=e,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function Xt(t,r){var a=Math.sin(r),e=Math.cos(r);return t[0]=e,t[1]=0,t[2]=-a,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=a,t[9]=0,t[10]=e,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function Jt(t,r){var a=Math.sin(r),e=Math.cos(r);return t[0]=e,t[1]=a,t[2]=0,t[3]=0,t[4]=-a,t[5]=e,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function Kt(t,r,a){var e=r[0],n=r[1],s=r[2],i=r[3],o=e+e,h=n+n,u=s+s,l=e*o,c=e*h,f=e*u,p=n*h,d=n*u,y=s*u,g=i*o,m=i*h,b=i*u;return t[0]=1-(p+y),t[1]=c+b,t[2]=f-m,t[3]=0,t[4]=c-b,t[5]=1-(l+y),t[6]=d+g,t[7]=0,t[8]=f+m,t[9]=d-g,t[10]=1-(l+p),t[11]=0,t[12]=a[0],t[13]=a[1],t[14]=a[2],t[15]=1,t}function tr(t,r){var a=new Y(3),e=-r[0],n=-r[1],s=-r[2],i=r[3],o=r[4],h=r[5],u=r[6],l=r[7],c=e*e+n*n+s*s+i*i;return c>0?(a[0]=2*(o*i+l*e+h*s-u*n)/c,a[1]=2*(h*i+l*n+u*e-o*s)/c,a[2]=2*(u*i+l*s+o*n-h*e)/c):(a[0]=2*(o*i+l*e+h*s-u*n),a[1]=2*(h*i+l*n+u*e-o*s),a[2]=2*(u*i+l*s+o*n-h*e)),Kt(t,r,a),t}function rr(t,r){return t[0]=r[12],t[1]=r[13],t[2]=r[14],t}function ar(t,r){var a=r[0],e=r[1],n=r[2],s=r[4],i=r[5],o=r[6],h=r[8],u=r[9],l=r[10];return t[0]=Math.hypot(a,e,n),t[1]=Math.hypot(s,i,o),t[2]=Math.hypot(h,u,l),t}function er(t,r){var a=new Y(3);ar(a,r);var e=1/a[0],n=1/a[1],s=1/a[2],i=r[0]*e,o=r[1]*n,h=r[2]*s,u=r[4]*e,l=r[5]*n,c=r[6]*s,f=r[8]*e,p=r[9]*n,d=r[10]*s,y=i+l+d,g=0;return y>0?(g=2*Math.sqrt(y+1),t[3]=.25*g,t[0]=(c-p)/g,t[1]=(f-h)/g,t[2]=(o-u)/g):i>l&&i>d?(g=2*Math.sqrt(1+i-l-d),t[3]=(c-p)/g,t[0]=.25*g,t[1]=(o+u)/g,t[2]=(f+h)/g):l>d?(g=2*Math.sqrt(1+l-i-d),t[3]=(f-h)/g,t[0]=(o+u)/g,t[1]=.25*g,t[2]=(c+p)/g):(g=2*Math.sqrt(1+d-i-l),t[3]=(o-u)/g,t[0]=(f+h)/g,t[1]=(c+p)/g,t[2]=.25*g),t}function nr(t,r,a,e){var n=r[0],s=r[1],i=r[2],o=r[3],h=n+n,u=s+s,l=i+i,c=n*h,f=n*u,p=n*l,d=s*u,y=s*l,g=i*l,m=o*h,b=o*u,_=o*l,v=e[0],M=e[1],w=e[2];return t[0]=(1-(d+g))*v,t[1]=(f+_)*v,t[2]=(p-b)*v,t[3]=0,t[4]=(f-_)*M,t[5]=(1-(c+g))*M,t[6]=(y+m)*M,t[7]=0,t[8]=(p+b)*w,t[9]=(y-m)*w,t[10]=(1-(c+d))*w,t[11]=0,t[12]=a[0],t[13]=a[1],t[14]=a[2],t[15]=1,t}function sr(t,r,a,e,n){var s=r[0],i=r[1],o=r[2],h=r[3],u=s+s,l=i+i,c=o+o,f=s*u,p=s*l,d=s*c,y=i*l,g=i*c,m=o*c,b=h*u,_=h*l,v=h*c,M=e[0],w=e[1],x=e[2],k=n[0],A=n[1],q=n[2],z=(1-(y+m))*M,j=(p+v)*M,V=(d-_)*M,S=(p-v)*w,I=(1-(f+m))*w,D=(g+b)*w,F=(d+_)*x,B=(g-b)*x,N=(1-(f+y))*x;return t[0]=z,t[1]=j,t[2]=V,t[3]=0,t[4]=S,t[5]=I,t[6]=D,t[7]=0,t[8]=F,t[9]=B,t[10]=N,t[11]=0,t[12]=a[0]+k-(z*k+S*A+F*q),t[13]=a[1]+A-(j*k+I*A+B*q),t[14]=a[2]+q-(V*k+D*A+N*q),t[15]=1,t}function ir(t,r){var a=r[0],e=r[1],n=r[2],s=r[3],i=a+a,o=e+e,h=n+n,u=a*i,l=e*i,c=e*o,f=n*i,p=n*o,d=n*h,y=s*i,g=s*o,m=s*h;return t[0]=1-c-d,t[1]=l+m,t[2]=f-g,t[3]=0,t[4]=l-m,t[5]=1-u-d,t[6]=p+y,t[7]=0,t[8]=f+g,t[9]=p-y,t[10]=1-u-c,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function or(t,r,a,e,n,s,i){var o=1/(a-r),h=1/(n-e),u=1/(s-i);return t[0]=2*s*o,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=2*s*h,t[6]=0,t[7]=0,t[8]=(a+r)*o,t[9]=(n+e)*h,t[10]=(i+s)*u,t[11]=-1,t[12]=0,t[13]=0,t[14]=i*s*2*u,t[15]=0,t}function hr(t,r,a,e,n){var s,i=1/Math.tan(r/2);return t[0]=i/a,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=i,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,null!=n&&n!==1/0?(s=1/(e-n),t[10]=(n+e)*s,t[14]=2*n*e*s):(t[10]=-1,t[14]=-2*e),t}l(Vt,{add:()=>_r,adjoint:()=>Lt,clone:()=>It,copy:()=>Dt,create:()=>St,determinant:()=>Et,equals:()=>kr,exactEquals:()=>xr,frob:()=>br,fromQuat:()=>ir,fromQuat2:()=>tr,fromRotation:()=>Qt,fromRotationTranslation:()=>Kt,fromRotationTranslationScale:()=>nr,fromRotationTranslationScaleOrigin:()=>sr,fromScaling:()=>Yt,fromTranslation:()=>Wt,fromValues:()=>Ft,fromXRotation:()=>Zt,fromYRotation:()=>Xt,fromZRotation:()=>Jt,frustum:()=>
1or,getRotation:()=>er,getScaling:()=>ar,getTranslation:()=>rr,identity:()=>Nt,invert:()=>Ct,lookAt:()=>yr,mul:()=>Ar,multiply:()=>Ot,multiplyScalar:()=>Mr,multiplyScalarAndAdd:()=>wr,ortho:()=>pr,orthoNO:()=>fr,orthoZO:()=>dr,perspective:()=>ur,perspectiveFromFieldOfView:()=>cr,perspectiveNO:()=>hr,perspectiveZO:()=>lr,rotate:()=>Tt,rotateX:()=>Rt,rotateY:()=>Gt,rotateZ:()=>Ht,scale:()=>Pt,set:()=>Bt,str:()=>mr,sub:()=>qr,subtract:()=>vr,targetTo:()=>gr,translate:()=>$t,transpose:()=>Ut});var ur=hr;function lr(t,r,a,e,n){var s,i=1/Math.tan(r/2);return t[0]=i/a,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=i,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,null!=n&&n!==1/0?(s=1/(e-n),t[10]=n*s,t[14]=n*e*s):(t[10]=-1,t[14]=-e),t}function cr(t,r,a,e){var n=Math.tan(r.upDegrees*Math.PI/180),s=Math.tan(r.downDegrees*Math.PI/180),i=Math.tan(r.leftDegrees*Math.PI/180),o=Math.tan(r.rightDegrees*Math.PI/180),h=2/(i+o),u=2/(n+s);return t[0]=h,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=u,t[6]=0,t[7]=0,t[8]=-(i-o)*h*.5,t[9]=(n-s)*u*.5,t[10]=e/(a-e),t[11]=-1,t[12]=0,t[13]=0,t[14]=e*a/(a-e),t[15]=0,t}function fr(t,r,a,e,n,s,i){var o=1/(r-a),h=1/(e-n),u=1/(s-i);return t[0]=-2*o,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*h,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*u,t[11]=0,t[12]=(r+a)*o,t[13]=(n+e)*h,t[14]=(i+s)*u,t[15]=1,t}var pr=fr;function dr(t,r,a,e,n,s,i){var o=1/(r-a),h=1/(e-n),u=1/(s-i);return t[0]=-2*o,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*h,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=u,t[11]=0,t[12]=(r+a)*o,t[13]=(n+e)*h,t[14]=s*u,t[15]=1,t}function yr(t,r,a,e){var n,s,i,o,h,u,l,c,f,p,d=r[0],y=r[1],g=r[2],m=e[0],b=e[1],_=e[2],v=a[0],M=a[1],w=a[2];return 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vendor: 1,925 bytes, line 1
1return t[0]=e*l+i*o+n*u-s*h,t[1]=n*l+i*h+s*o-e*u,t[2]=s*l+i*u+e*h-n*o,t[3]=i*l-e*o-n*h-s*u,t}function Lr(t,r,a){a*=.5;var e=r[0],n=r[1],s=r[2],i=r[3],o=Math.sin(a),h=Math.cos(a);return t[0]=e*h+i*o,t[1]=n*h+s*o,t[2]=s*h-n*o,t[3]=i*h-e*o,t}function Er(t,r,a){a*=.5;var e=r[0],n=r[1],s=r[2],i=r[3],o=Math.sin(a),h=Math.cos(a);return t[0]=e*h-s*o,t[1]=n*h+i*o,t[2]=s*h+e*o,t[3]=i*h-n*o,t}function Or(t,r,a){a*=.5;var e=r[0],n=r[1],s=r[2],i=r[3],o=Math.sin(a),h=Math.cos(a);return t[0]=e*h+n*o,t[1]=n*h-e*o,t[2]=s*h+i*o,t[3]=i*h-s*o,t}function $r(t,r){var a=r[0],e=r[1],n=r[2];return t[0]=a,t[1]=e,t[2]=n,t[3]=Math.sqrt(Math.abs(1-a*a-e*e-n*n)),t}function Pr(t,r){var a=r[0],e=r[1],n=r[2],s=r[3],i=Math.sqrt(a*a+e*e+n*n),o=Math.exp(s),h=i>0?o*Math.sin(i)/i:0;return t[0]=a*h,t[1]=e*h,t[2]=n*h,t[3]=o*Math.cos(i),t}function Tr(t,r){var a=r[0],e=r[1],n=r[2],s=r[3],i=Math.sqrt(a*a+e*e+n*n),o=i>0?Math.atan2(i,s)/i:0;return t[0]=a*o,t[1]=e*o,t[2]=n*o,t[3]=.5*Math.log(a*a+e*e+n*n+s*s),t}function Rr(t,r,a){return Tr(t,r),na(t,t,a),Pr(t,t),t}function Gr(t,r,a,e){var n,s,i,o,h,u=r[0],l=r[1],c=r[2],f=r[3],p=a[0],d=a[1],y=a[2],g=a[3];return(s=u*p+l*d+c*y+f*g)<0&&(s=-s,p=-p,d=-d,y=-y,g=-g),1-s>W?(n=Math.acos(s),i=Math.sin(n),o=Math.sin((1-e)*n)/i,h=Math.sin(e*n)/i):(o=1-e,h=e),t[0]=o*u+h*p,t[1]=o*l+h*d,t[2]=o*c+h*y,t[3]=o*f+h*g,t}function Hr(t){var r=Q(),a=Q(),e=Q(),n=Math.sqrt(1-r),s=Math.sqrt(r);return t[0]=n*Math.sin(2*Math.PI*a),t[1]=n*Math.cos(2*Math.PI*a),t[2]=s*Math.sin(2*Math.PI*e),t[3]=s*Math.cos(2*Math.PI*e),t}function Wr(t,r){var a=r[0],e=r[1],n=r[2],s=r[3],i=a*a+e*e+n*n+s*s,o=i?1/i:0;return t[0]=-a*o,t[1]=-e*o,t[2]=-n*o,t[3]=s*o,t}function Yr(t,r){return t[0]=-r[0],t[1]=-r[1],t[2]=-r[2],t[3]=r[3],t}function Qr(t,r){var a,e=r[0]+r[4]+r[8];if(e>0)a=Math.sqrt(e+1),t[3]=.5*a,a=.5/a,t[0]=(r[5]-r[7])*a,t[1]=(r[6]-r[2])*a,t[2]=(r[1]-r[3])*a;else{var n=0;r[4]>r[0]&&(n=1),r[8]>r[3*n+n]&&(n=2);var s=(n+1)%3,i=(n+2)%3;
1a=Math.sqrt(r[3*n+n]-r[3*s+s]-r[3*i+i]+1),t[n]=.5*a,a=.5/a,t[3]=(r[3*s+i]-r[3*i+s])*a,t[s]=(r[3*s+n]+r[3*n+s])*a,t[i]=(r[3*i+n]+r[3*n+i])*a}return t}function Zr(t,r,a,e){var n=.5*Math.PI/180;r*=n,a*=n,e*=n;var s=Math.sin(r),i=Math.cos(r),o=Math.sin(a),h=Math.cos(a),u=Math.sin(e),l=Math.cos(e);return t[0]=s*h*l-i*o*u,t[1]=i*o*l+s*h*u,t[2]=i*h*u-s*o*l,t[3]=i*h*l+s*o*u,t}function Xr(t){return"quat("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+")"}var Jr=function(t){var r=new Y(4);return r[0]=t[0],r[1]=t[1],r[2]=t[2],r[3]=t[3],r},Kr=function(t,r,a,e){var n=new Y(4);return n[0]=t,n[1]=r,n[2]=a,n[3]=e,n},ta=function(t,r){return t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=r[3],t},ra=function(t,r,a,e,n){return t[0]=r,t[1]=a,t[2]=e,t[3]=n,t},aa=function(t,r,a){return t[0]=r[0]+a[0],t[1]=r[1]+a[1],t[2]=r[2]+a[2],t[3]=r[3]+a[3],t},ea=Cr,na=function(t,r,a){return t[0]=r[0]*a,t[1]=r[1]*a,t[2]=r[2]*a,t[3]=r[3]*a,t},sa=function(t,r){return t[0]*r[0]+t[1]*r[1]+t[2]*r[2]+t[3]*r[3]},ia=function(t,r,a,e){var n=r[0],s=r[1],i=r[2],o=r[3];return t[0]=n+e*(a[0]-n),t[1]=s+e*(a[1]-s),t[2]=i+e*(a[2]-i),t[3]=o+e*(a[3]-o),t},oa=function(t){var r=t[0],a=t[1],e=t[2],n=t[3];return Math.hypot(r,a,e,n)},ha=oa,ua=function(t){var r=t[0],a=t[1],e=t[2],n=t[3];return r*r+a*a+e*e+n*n},la=ua,ca=function(t,r){var a=r[0],e=r[1],n=r[2],s=r[3],i=a*a+e*e+n*n+s*s;return i>0&&(i=1/Math.sqrt(i)),t[0]=a*i,t[1]=e*i,t[2]=n*i,t[3]=s*i,t},fa=function(t,r){return t[0]===r[0]&&t[1]===r[1]&&t[2]===r[2]&&t[3]===r[3]},pa=function(t,r){var a=t[0],e=t[1],n=t[2],s=t[3],i=r[0],o=r[1],h=r[2],u=r[3];return Math.abs(a-i)<=W*Math.max(1,Math.abs(a),Math.abs(i))&&Math.abs(e-o)<=W*Math.max(1,Math.abs(e),Math.abs(o))&&Math.abs(n-h)<=W*Math.max(1,Math.abs(n),Math.abs(h))&&Math.abs(s-u)<=W*Math.max(1,Math.abs(s),Math.abs(u))},da=function(){var t=jr(),r=Vr(1,0,0),a=Vr(0,1,0);return function(e,n,s){var i=function(t,r){return t[0]*r[0]+t[1]*r[1]+t[2]*r[2]}(n,s);return i<-.999999?(Sr(t,r,n),Ir(t)<1e-6&&Sr(t,a,n),function(t,r){var a=r[0],e=r[1],n=r[2],s=a*a+e*e+n*n;s>0&&(s=1/Math.sqrt(s)),t[0]=r[0]*s,t[1]=r[1]*s,t[2]=r[2]*s}(t,t),Br(e,t,Math.PI),e):i>.999999?(e[0]=0,e[1]=0,e[2]=0,e[3]=1,e):(Sr(t,n,s),e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=1+i,ca(e,e))}}(),ya=function(){var t=Dr(),r=Dr();return function(a,e,n,s,i,o){return Gr(t,e,i,o),Gr(r,n,s,o),Gr(a,t,r,2*o*(1-o)),a}}(),ga=function(){var t=X();return function(r,a,e,n){return t[0]=e[0],t[3]=e[1],t[6]=e[2],t[1]=n[0],t[4]=n[1],t[7]=n[2],t[2]=-a[0],t[5]=-a[1],t[8]=-a[2],ca(r,Qr(r,t))}}(),ma={xyz:3,color:3,opacity:1,scaling:3,quaternion:4,harmonics:3},ba=class{constructor(t){this.version="",this._buffer=t}get buffer(){return this._buffer}get decoded(){return this._decoded||(this._decoded=this.decodeBuffer()),this._decoded}get colorsA(){let t=this.decoded.color.denormDequant(),r=this.decoded.opacity.denormDequant(),a=(0,G.default)(new Float32Array(4*t.shape[0]),[t.shape[0],4]);return H.mulseq(t,.28209479177387814),H.addseq(t,.5),H.mulseq(t,255),H.maxseq(t,0),H.minseq(t,255),""===this.version&&(H.negeq(r),H.expeq(r),H.addseq(r,1),H.recipeq(r),H.mulseq(r,255)),H.assign(a.hi(t.shape[0],3).lo(0,0),t),H.assign(a.hi(t.shape[0],4).lo(0,3),r),(0,G.default)(new Uint8Array(a.data),[t.shape[0],4]).data}get nsplats(){return this.decoded.nsplats}getSplatCount(){return this.decoded.nsplats}get precomputedCovarianceBufferData(){return this._precomputedCovarianceBufferData}decodeBuffer(){let{splatCount:t,chunkCount:r,chunkSize:a,typeChunks:e,vertexData:n,propertiesDesc:s,version:i}=this.decodeHeader();this.version=i;let o={xyz:s.xyz.compressionMethod,color:s.color.compressionMethod,opacity:s.opacity.compressionMethod,scaling:s.scaling.compressionMethod,quaternion:s.quaternion.compressionMethod,chunkSize:a};s.harmonics_0&&(o.harmonics=s.harmonics_0.compressionMethod);let h=n.byteOffset,u=Array(Object.keys(s).length);for(let m in s)u[s[m].index]={name:m,method:s[m].compressionMethod};let l,c=2*r*4,f=h,p="dynamic"===e?2*r:0,d=!1;if(p>0){let t=new Uint16Array(n.buffer.slice(f,f+p));f+=p,l=Array.from(t),d=!0}let y={};for(let m of u){let e,s=0,i=!0;if("norm8x"===m.method)s=1*t*ma[m.name];else if("norm11"===m.method)s=4*t;else{if("norm565"!==m.method)throw i=!1,new Error(`Not Implemented format: ${m.method}`);s=2*t}if(!i)throw new Error("loading chunk byt hasnot minmax!");{let t=n.buffer.slice(f,f+c);e=(0,G.default)(new Float32Array(t),[r,2]),f+=c}
1let o,h=n.buffer.slice(f,f+s);if(f+=s,"norm8x"===m.method)o=(0,G.default)(new Uint8Array(h),[t,ma[m.name]]);else if("norm11"===m.method)o=(0,G.default)(new Uint32Array(h));else{if("norm565"!==m.method)throw new Error(`Not Implemented format: ${m.method}`);o=(0,G.default)(new Uint16Array(h))}y[m.name]=new z(o,e,a,m.method,l,d)}let g=[];for(let m=0;m<15;m++){let t=y[`harmonics_${m}`];t&&(g.push(t),delete y[`harmonics_${m}`])}return g.length>0&&(y.harmonics=g),new R(o,y.xyz,y.scaling,y.color,y.opacity,y.quaternion,y.harmonics,l)}buildPreComputedBuffers(){let t=this.decoded,r=t.nsplats,a=new ArrayBuffer(24*r),e=new Float32Array(a),n=t.scaling.denormDequant(),s=t.quaternion.denormDequant(),i=zr.create(),o=Z.create(),h=Z.create(),u=Z.create(),l=Vt.create();for(let c=0;c<r;c++){Vt.fromScaling(l,[Math.exp(n.get(c,0)),Math.exp(n.get(c,1)),Math.exp(n.get(c,2))]),Z.fromMat4(h,l),zr.set(i,s.get(c,0),s.get(c,1),s.get(c,2),s.get(c,3)),Z.fromQuat(o,i),Z.multiply(u,o,h);let t=u;e[6*c]=t[0]*t[0]+t[3]*t[3]+t[6]*t[6],e[6*c+1]=t[0]*t[1]+t[3]*t[4]+t[6]*t[7],e[6*c+2]=t[0]*t[2]+t[3]*t[5]+t[6]*t[8],e[6*c+3]=t[1]*t[1]+t[4]*t[4]+t[7]*t[7],e[6*c+4]=t[1]*t[2]+t[4]*t[5]+t[7]*t[8],e[6*c+5]=t[2]*t[2]+t[5]*t[5]+t[8]*t[8]}this._precomputedCovarianceBufferData=a}decodeHeader(){let t=this._buffer,r=new TextDecoder,a=0,e="",n=100;for(;;){if(a+n>=t.byteLength)throw new Error("End of file reached while searching for end of header");let s=new Uint8Array(t,a,n);e+=r.decode(s),a+=n;let i=a-200,o=new Uint8Array(t,Math.max(0,i),i>=0?200:n);if(r.decode(o).includes("end_header"))break}let s=e.split("\n"),i=0,o=0,h=0,u=0,l="",c="",f={};for(let d=0;d<s.length;d++){let t=s[d].trim();if(t.startsWith("version"))c=t.split(" ")[1]??"";else if(t.startsWith("element vertex")){let r=t.match(/\d+/);r&&(i=parseInt(r[0]))}else if(t.startsWith("property")){let r=t.match(/(\w+)\s+(\w+)\s+(\w+)/);if(r){let t=r[2],a=r[3];f[t]={compressionMethod:a,index:u},u++}}else if(t.startsWith("element chunks")){let r=t.match(/\d+/);r&&(o=parseInt(r[0]))}else if(t.startsWith("element chunkSize")){let r=t.match(/\d+/);r&&(h=parseInt(r[0]))}else if(t.startsWith("element typeChunks")){let r=t.match(/(\w+)\s+(\w+)\s+(\w+)/);r&&(l=r[3])}else if("end_header"===t)break}let p=e.indexOf("end_header")+10+1;return{splatCount:i,chunkCount:o,chunkSize:h,typeChunks:l,vertexData:new DataView(t,p),propertiesDesc:f,version:c}}pruneSplats(t){let r=this.decodeBuffer().pruneSplats(t);return ba.fromCompressedGaussianSplats(r,this.version)}static fromCompressedGaussianSplats(t,r){let a=t.xyz.length,e=t.xyz.nchunks,n=`gspline\nversion ${r}\nelement vertex ${a}\nelement chunks ${e}\nelement chunkSize ${t.chunkSize}\nelement typeChunks ${t.isDynamicChunks?"dynamic":"static"}\nproperty xyz ${t.xyz.method}\nproperty color ${t.color.method}\nproperty opacity ${t.opacity.method}\nproperty scaling ${t.scaling.method}\nproperty quaternion ${t.quaternion.method}`;if(t.harmonics&&t.harmonics.length>0)for(let k=0;k<t.harmonics.length;k++)n=`${n}\nproperty harmonics_${k} ${t.harmonics[k].method}`;n=`${n}\nend_header\n`;let s=(new TextEncoder).encode(n),i=2*e*4,o=t.xyz.quantized.data.buffer.byteLength,h=t.xyz instanceof z?i:0,u=t.color.quantized.data.buffer.byteLength,l=t.color instanceof z?i:0,c=t.opacity.quantized.data.buffer.byteLength,f=t.opacity instanceof z?i:0,p=t.scaling.quantized.data.buffer.byteLength,d=t.scaling instanceof z?i:0,y=t.quaternion.quantized.data.buffer.byteLength,g=t.quaternion instanceof z?i:0,m=t.variableChunkSize?Uint16Array.from(t.variableChunkSize):void 0,b=m?m.byteLength:0,_=s.byteLength+b+o+h+u+l+c+f+p+d+y+g,v=0,M=0;if(t.harmonics&&t.harmonics.length>0)for(let k=0;k<t.harmonics.length;k++)v+=t.harmonics[k].quantized.data.buffer.byteLength,M+=t.harmonics[k]instanceof z?i:0;v=0,M=0,_+=v+M;let w=new Uint8Array(_),x=0;if(w.set(s,x),x+=s.byteLength,b>0&&(w.set(new Uint8Array(m.buffer),x),x+=b),t.xyz instanceof z&&(w.set(new Uint8Array(t.xyz.minmaxMatrix.data.buffer),x),x+=i),w.set(new Uint8Array(t.xyz.quantized.data.buffer),x),x+=o,t.color instanceof z&&(w.set(new Uint8Array(t.color.minmaxMatrix.data.buffer),x),x+=i),w.set(new Uint8Array(t.color.quantized.data.buffer),x),x+=u,t.opacity instanceof z&&(w.set(new Uint8Array(t.opacity.minmaxMatrix.data.buffer),x),x+=i),w.set(new Uint8Array(t.opacity.quantized.data.buffer),x),x+=c,t.scaling instanceof z&&(w.set(new Uint8Array(t.scaling.minmaxMatrix.data.buffer),x),x+=i),w.set(new Uint8Array(t.scaling.quantized.data.buffer),x),x+=p,t.quaternion instanceof z&&(w.set(new Uint8Array(t.quaternion.minmaxMatrix.data.buffer),x),x+=i),w.set(new Uint8Array(t.quaternion.quantized.data.buffer),x),x+=y,v>0&&t.harmonics&&t.harmonics.length>0)for(let k=0;k<t.harmonics.length;k++){let r=t.harmonics[k];r instanceof z&&(w.set(new Uint8Array(r.minmaxMatrix.data.buffer),x),x+=i),w.set(new Uint8Array(r.quantized.data.buffer),x),x+=r.quantized.data.byteLength}return new ba(w.buffer)}}}}]); 2//# sourceMappingURL=23.9ae61591.chunk.js.map
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.