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1function xt(t,a){if(t===a)return 0;if(~~t===t&&~~a===a){if(0===t||0===a)return t<a?-1:1;if(t<0||a<0){if(a>=0)return-1;if(t>=0)return 1;t=-t,a=-a}let i=Mt(t),e=Mt(a),o=0;return i<e?(t*=vt[e-i-1],a/=10,o=-1):i>e&&(a*=vt[i-e-1],t/=10,o=1),t===a?o:t<a?-1:1}let s=String(t),n=String(a);return s===n?0:s<n?-1:1}function wt(t,a,s,n){let i=a+1;if(i===s)return 1;if(n(t[i++],t[a])<0){for(;i<s&&n(t[i],t[i-1])<0;)i++;!function la(t,a,s){for(s--;a<s;){let n=t[a];t[a++]=t[s],t[s--]=n}}(t,a,i)}else for(;i<s&&n(t[i],t[i-1])>=0;)i++;return i-a}function kt(t,a,s,n,i){for(n===a&&n++;n<s;n++){let e=t[n],o=a,r=n;for(;o<r;){let u=o+r>>>1;i(e,t[u])<0?r=u:o=u+1}let h=n-o;switch(h){case 3:t[o+3]=t[o+2];case 2:t[o+2]=t[o+1];case 1:t[o+1]=t[o];break;default:for(;h>0;)t[o+h]=t[o+h-1],h--}t[o]=e}}function ut(t,a,s,n,i,e){let o=0,r=0,h=1;if(e(t,a[s+i])>0){for(r=n-i;h<r&&e(t,a[s+i+h])>0;)o=h,h=1+(h<<1),h<=0&&(h=r);h>r&&(h=r),o+=i,h+=i}else{for(r=i+1;h<r&&e(t,a[s+i-h])<=0;)o=h,h=1+(h<<1),h<=0&&(h=r);h>r&&(h=r);let u=o;o=i-h,h=i-u}for(o++;o<h;){let u=o+(h-o>>>1);e(t,a[s+u])>0?o=u+1:h=u}return h}function lt(t,a,s,n,i,e){let o=0,r=0,h=1;if(e(t,a[s+i])<0){for(r=i+1;h<r&&e(t,a[s+i-h])<0;)o=h,h=1+(h<<1),h<=0&&(h=r);h>r&&(h=r);let u=o;o=i-h,h=i-u}else{for(r=n-i;h<r&&e(t,a[s+i+h])>=0;)o=h,h=1+(h<<1),h<=0&&(h=r);h>r&&(h=r),o+=i,h+=i}for(o++;o<h;){let u=o+(h-o>>>1);e(t,a[s+u])<0?h=u:o=u+1}return h}var ca=class{constructor(t,a){$(this,"array",null),$(this,"compare",null),$(this,"minGallop",7),$(this,"length",0),$(this,"tmpStorageLength",256),$(this,"stackLength",0),$(this,"runStart",null),$(this,"runLength",null),$(this,"stackSize",0),this.array=t,this.compare=a,this.length=t.length,this.length<512&&(this.tmpStorageLength=this.length>>>1),this.tmp=new Array(this.tmpStorageLength),this.stackLength=this.length<120?5:this.length<1542?10:this.length<119151?19:40,this.runStart=new Array(this.stackLength),this.runLength=new Array(this.stackLength)}pushRun(t,a){this.runStart[this.stackSize]=t,this.runLength[this.stackSize]=a,this.stackSize+=1}mergeRuns(){for(;this.stackSize>1;){let t=this.stackSize-2;if(t>=1&&this.runLength[t-1]<=this.runLength[t]+this.runLength[t+1]||t>=2&&this.runLength[t-2]<=this.runLength[t]+this.runLength[t-1])this.runLength[t-1]<this.runLength[t+1]&&t--;else if(this.runLength[t]>this.runLength[t+1])break;this.mergeAt(t)}}forceMergeRuns(){for(;this.stackSize>1;){let t=this.stackSize-2;t>0&&this.runLength[t-1]<this.runLength[t+1]&&t--,this.mergeAt(t)}}mergeAt(t){let a=this.compare,s=this.array,n=this.runStart[t],i=this.runLength[t],e=this.runStart[t+1],o=this.runLength[t+1];this.runLength[t]=i+o,t===this.stackSize-3&&(this.runStart[t+1]=this.runStart[t+2],this.runLength[t+1]=this.runLength[t+2]),this.stackSize--;let r=lt(s[e],s,n,i,0,a);n+=r,i-=r,0!==i&&(o=ut(s[n+i-1],s,e,o,o-1,a),0!==o&&(i<=o?this.mergeLow(n,i,e,o):this.mergeHigh(n,i,e,o)))}mergeLow(t,a,s,n){let i=this.compare,e=this.array,o=this.tmp,r=0;for(r=0;r<a;r++)o[r]=e[t+r];let h=0,u=s,f=t;if(e[f++]=e[u++],0==--n){for(r=0;r<a;r++)e[f+r]=o[h+r];return}if(1===a){for(r=0;r<n;r++)e[f+r]=e[u+r];return void(e[f+n]=o[h])}let p=this.minGallop;for(;;){let l=0,c=0,d=!1;do{if(i(e[u],o[h])<0){if(e[f++]=e[u++],c++,l=0,0==--n){d=!0;break}}else if(e[f++]=o[h++],l++,c=0,1==--a){d=!0;break}}while((l|c)<p);if(d)break;do{if(l=lt(e[u],o,h,a,0,i),0!==l){for(r=0;r<l;r++)e[f+r]=o[h+r];if(f+=l,h+=l,(a-=l)<=1){d=!0;break}}if(e[f++]=e[u++],0==--n){d=!0;break}if(c=ut(o[h],e,u,n,0,i),0!==c){for(r=0;r<c;r++)e[f+r]=e[u+r];if(f+=c,u+=c,0==(n-=c)){d=!0;break}}if(e[f++]=o[h++],1==--a){d=!0;break}p--}while(l>=7||c>=7);if(d)break;p<0&&(p=0),p+=2}if(this.minGallop=p,p<1&&(this.minGallop=1),1===a){for(r=0;r<n;r++)e[f+r]=e[u+r];e[f+n]=o[h]}else{if(0===a)throw new Error("mergeLow preconditions were not respected");for(r=0;r<a;r++)e[f+r]=o[h+r]}}mergeHigh(t,a,s,n){let i=this.compare,e=this.array,o=this.tmp,r=0;for(r=0;r<n;r++)o[r]=e[s+r];let h=t+a-1,u=n-1,f=s+n-1,p=0,l=0;if(e[f--]=e[h--],0==--a){for(p=f-(n-1),r=0;r<n;r++)e[p+r]=o[r];return}if(1===n){for(f-=a,h-=a,l=f+1,p=h+1,r=a-1;r>=0;r--)e[l+r]=e[p+r];return void(e[f]=o[u])}let c=this.minGallop;for(;;){let d=0,y=0,g=!1;
1do{if(i(o[u],e[h])<0){if(e[f--]=e[h--],d++,y=0,0==--a){g=!0;break}}else if(e[f--]=o[u--],y++,d=0,1==--n){g=!0;break}}while((d|y)<c);if(g)break;do{if(d=a-lt(o[u],e,t,a,a-1,i),0!==d){for(f-=d,h-=d,a-=d,l=f+1,p=h+1,r=d-1;r>=0;r--)e[l+r]=e[p+r];if(0===a){g=!0;break}}if(e[f--]=o[u--],1==--n){g=!0;break}if(y=n-ut(e[h],o,0,n,n-1,i),0!==y){for(f-=y,u-=y,n-=y,l=f+1,p=u+1,r=0;r<y;r++)e[l+r]=o[p+r];if(n<=1){g=!0;break}}if(e[f--]=e[h--],0==--a){g=!0;break}c--}while(d>=7||y>=7);if(g)break;c<0&&(c=0),c+=2}if(this.minGallop=c,c<1&&(this.minGallop=1),1===n){for(f-=a,h-=a,l=f+1,p=h+1,r=a-1;r>=0;r--)e[l+r]=e[p+r];e[f]=o[u]}else{if(0===n)throw new Error("mergeHigh preconditions were not respected");for(p=f-(n-1),r=0;r<n;r++)e[p+r]=o[r]}}};function ct(t){let a=(0,Z.default)(new Int32Array(t.shape[0]),[t.shape[0]]),s=(0,Z.default)(new Int32Array(t.shape[0]),[t.shape[0]]);return C.bands(a,t,1023),C.lshifts(s,a,16),C.bxoreq(a,s),C.bandseq(a,4278190335),C.lshifts(s,a,8),C.bxoreq(a,s),C.bandseq(a,50393103),C.lshifts(s,a,4),C.bxoreq(a,s),C.bandseq(a,51130563),C.lshifts(s,a,2),C.bxoreq(a,s),C.bandseq(a,153391689),a}function X(t,a){if(t.shape[0]!==a.shape[0])throw new Error("wrong length");let s=(0,Z.default)(new Float32Array(t.size),t.shape,t.stride,t.offset);for(let n=0;n<a.shape[0];n++){let i=a.get(n);if(t.shape.length>1)for(let e=0;e<t.shape[1];e++)s.set(n,e,t.get(i,e));else s.set(n,t.get(i))}return s}var W=class{constructor(t,a,s,n,i,e,o,r,h,u){this.propertyDescs=t,this.format=a,this.nsplats=s,this.xyz=n,this.colors=i,this.harmonics=e,this.opacity=o,this.scaling=r,this.rotation=h,this.maxSHDegree=u}getPlyBinary(){let t=W._generateHeaderString(this.propertyDescs,this.format,this.nsplats),a=(new TextEncoder).encode(t),s=Object.keys(this.propertyDescs).length,n=(0,H.default)(new Float32Array(this.nsplats*s),[this.nsplats,s]);if(V.assign(n.pick(null,this.propertyDescs.x.index),this.xyz.pick(null,0)),V.assign(n.pick(null,this.propertyDescs.y.index),this.xyz.pick(null,1)),V.assign(n.pick(null,this.propertyDescs.z.index),this.xyz.pick(null,2)),V.assign(n.pick(null,this.propertyDescs.f_dc_0.index),this.colors.pick(null,0)),V.assign(n.pick(null,this.propertyDescs.f_dc_1.index),this.colors.pick(null,1)),V.assign(n.pick(null,this.propertyDescs.f_dc_2.index),this.colors.pick(null,2)),V.assign(n.pick(null,this.propertyDescs.opacity.index),this.opacity.pick(null,0)),V.assign(n.pick(null,this.propertyDescs.scale_0.index),this.scaling.pick(null,0)),V.assign(n.pick(null,this.propertyDescs.scale_1.index),this.scaling.pick(null,1)),V.assign(n.pick(null,this.propertyDescs.scale_2.index),this.scaling.pick(null,2)),V.assign(n.pick(null,this.propertyDescs.rot_0.index),this.rotation.pick(null,0)),V.assign(n.pick(null,this.propertyDescs.rot_1.index),this.rotation.pick(null,1)),V.assign(n.pick(null,this.propertyDescs.rot_2.index),this.rotation.pick(null,2)),V.assign(n.pick(null,this.propertyDescs.rot_3.index),this.rotation.pick(null,3)),this.harmonics&&this.harmonics.length>0)for(let o=0;o<this.harmonics.length;o++){let r=3*o;V.assign(n.pick(null,this.propertyDescs["f_rest_".concat(r)].index),this.harmonics[o].pick(null,0)),V.assign(n.pick(null,this.propertyDescs["f_rest_".concat(r+1)].index),this.harmonics[o].pick(null,1)),V.assign(n.pick(null,this.propertyDescs["f_rest_".concat(r+2)].index),this.harmonics[o].pick(null,2))}let i=new Uint8Array(n.data.buffer),e=new Uint8Array(i.length+a.length);return e.set(a),e.set(i,a.length),e.buffer}save(t,a){let s=this.getPlyBinary(),n=new Blob([s],{type:"application/octet-stream"}),i=new File([n],t),e=new FormData;e.append("file",i),e.append("filename",t),e.append("basedir",a),fetch("".concat("http://127.0.0.1:8000","/push_file"),{method:"POST",body:e})}static loadFile(t){return(0,st.c)(function*(){return yield(yield fetch(t)).arrayBuffer()})()}mortonPositionSplatsSort(){let t=function da(t){let a=C.sup(t),s=C.inf(t),n=1e3/Math.min(1e3,a-s),i=(0,Z.default)(new Float32Array(t.data),t.shape);C.mulseq(i,n);let o=function pa(t){let a=ct(t.pick(null,0)),s=ct(t.pick(null,1));C.lshiftseq(s,1);let n=ct(t.pick(null,2));return C.lshiftseq(n,2),C.boreq(a,s),C.boreq(a,n),a}((0,Z.default)(new Int32Array(i.data),t.shape)),r=Array.from(o.data).map((u,f)=>[u,f]);!function fa(t,a,s,n){if(!Array.isArray(t))throw new TypeError("Can only sort arrays");a?"function"!=typeof a&&(n=s,s=a,a=xt):a=xt,s||(s=0),n||(n=t.length);let i=n-s;if(i<2)return;let e=0;if(i<32)return e=wt(t,s,n,a),void kt(t,s,n,s+e,a);let o=new ca(t,a),r=function ua(t){let a=0;for(;t>=32;)a|=1&t,t>>=1;return t+a}(i);do{if(e=wt(t,s,n,a),e<r){let h=i;h>r&&(h=r),kt(t,s,s+h,s+e,a),e=h}o.pushRun(s,e),o.mergeRuns(),i-=e,s+=e}while(0!==i);o.forceMergeRuns()}(r,(u,f)=>u[0]-f[0]);let h=r.map(([u,f])=>f);
1return(0,Z.default)(Uint32Array.from(h))}(this.xyz),a=X(this.xyz,t),s=X(this.colors,t),n=X(this.opacity,t),i=X(this.scaling,t),e=X(this.rotation,t),o=[];for(let r=0;r<this.harmonics.length;r++)o.push(X(this.harmonics[r],t));return new W(this.propertyDescs,this.format,this.nsplats,a,s,o,n,i,e,this.maxSHDegree)}static _generateHeaderString(t,a,s){let n="ply\nformat ".concat(a.format," ").concat(a.version,"\nelement vertex ").concat(s),i=Object.keys(t).length,e=Array(i);for(let o in t){let r=t[o];e[r.index]={name:o,dtype:r.dtype}}for(let o=0;o<e.length;o++)n="".concat(n,"\nproperty ").concat(e[o].dtype," ").concat(e[o].name);return"".concat(n,"\nend_header\n")}static fromArrayBuffer(t,a=3){let{splatCount:s,vertexData:n,propertiesDesc:i,format:e}=W.decodeHeader(t),o=n.buffer.slice(n.byteOffset),r=Object.keys(i).length,h=(0,H.default)(new Float32Array(o),[s,r]),u=0,f={},p={double:8,int:4,uint:4,float:4,short:2,ushort:2,uchar:1,char:1};for(let _ in i)if(i.hasOwnProperty(_)){let M=i[_].dtype;f[_]=u,u+=p[M]}let l=(0,H.default)(new Float32Array(3*s),[s,3]);V.assign(l.pick(null,0),h.pick(null,f.x/4)),V.assign(l.pick(null,1),h.pick(null,f.y/4)),V.assign(l.pick(null,2),h.pick(null,f.z/4));let c=(0,H.default)(new Float32Array(3*s),[s,3]);V.assign(c.pick(null,0),h.pick(null,f.scale_0/4)),V.assign(c.pick(null,1),h.pick(null,f.scale_1/4)),V.assign(c.pick(null,2),h.pick(null,f.scale_2/4));let d=(0,H.default)(new Float32Array(3*s),[s,3]);V.assign(d.pick(null,0),h.pick(null,f.f_dc_0/4)),V.assign(d.pick(null,1),h.pick(null,f.f_dc_1/4)),V.assign(d.pick(null,2),h.pick(null,f.f_dc_2/4));let y=(0,H.default)(new Float32Array(4*s),[s,4]);V.assign(y.pick(null,0),h.pick(null,f.rot_1/4)),V.assign(y.pick(null,1),h.pick(null,f.rot_2/4)),V.assign(y.pick(null,2),h.pick(null,f.rot_3/4)),V.assign(y.pick(null,3),h.pick(null,f.rot_0/4));for(let _=0;_<s;_++){let M=y.pick(_,null),x=Math.sqrt(M.get(0)**2+M.get(1)**2+M.get(2)**2+M.get(3)**2);V.divseq(M,x)}let g=(0,H.default)(new Float32Array(1*s),[s,1]);V.assign(g.pick(null,0),h.pick(null,f.opacity/4)),V.negeq(g),V.expeq(g),V.addseq(g,1),V.recipeq(g),V.mulseq(g,255);let m=(Math.min(Math.max(a,0),3)+1)**2-1,b=[];for(let _=0;_<m;_++){let M=(0,H.default)(new Float32Array(3*s),[s,3]),x=3*_;V.assign(M.pick(null,0),h.pick(null,f["f_rest_".concat(x)]/4)),V.assign(M.pick(null,1),h.pick(null,f["f_rest_".concat(x+1)]/4)),V.assign(M.pick(null,2),h.pick(null,f["f_rest_".concat(x+2)]/4)),b.push(M)}return new W(i,e,s,l,d,b,g,c,y,a)}static fromPLYFile(t,a=3){return(0,st.c)(function*(){let s=yield W.loadFile(t);return W.fromArrayBuffer(s,a)})()}static decodeHeader(t){let a=new TextDecoder,s=0,n="",i=100;for(;;){if(s+i>=t.byteLength)throw new Error("End of file reached while searching for end of header");let c=new Uint8Array(t,s,i);n+=a.decode(c),s+=i;let d=s-200,y=new Uint8Array(t,Math.max(0,d),d>0?200:i);if(a.decode(y).includes("end_header"))break}let f,e=n.split("\n"),o=0,r={},h={},u=0;for(let c=0;c<e.length;c++){let d=e[c].trim();if(d.startsWith("element vertex")){let y=d.match(/\d+/);y&&(o=parseInt(y[0]))}else if(d.startsWith("property")){let y=d.match(/(\w+)\s+(\w+)\s+(\w+)/);if(y){let g=y[2],m=y[3];r[m]=u,h[m]={dtype:g,index:u},u++}}else if(d.startsWith("format")){let y=d.match(/(\w+)\s+(\w+)\s+(\d+\.?\d*)/);y&&(f={format:y[2],version:y[3]})}else if("end_header"===d)break}let p=n.indexOf("end_header")+10+1;return{splatCount:o,vertexData:new DataView(t,p),headerOffset:s,propertiesDesc:h,format:f}}},et=class{constructor(t,a,s,n,i,e,o,r){this.config=t,this.xyz=a,this.scaling=s,this.color=n,this.opacity=i,this.harmonics=o,this.quaternion=e,this.variableChunkSize=r}get isDynamicChunks(){return this.variableChunkSize&&this.variableChunkSize.length>0}get nchunks(){return this.xyz.nchunks}get nsplats(){return this.xyz.length}get chunkSize(){return this.config.chunkSize}static compressFromGaussianData(t,a){let s=L.fromArray(t.xyz,a.xyz,a.chunkSize),n=L.fromArray(t.scaling,a.scaling,a.chunkSize),i=L.fromArray(t.colors,a.color,a.chunkSize),e=L.fromArray(t.opacity,a.opacity,a.chunkSize),o=L.fromArray(t.rotation,a.quaternion,a.chunkSize),r=t.harmonics,h=[];if(a.harmonics)for(let u=0;u<r.length;u++){let f=L.fromArray(r[u],a.harmonics,a.chunkSize);h.push(f)}return new et(a,s,n,i,e,o,h)}_countIndexesInChunks(t){let a=[],s=this.nchunks,n=this.chunkSize;
1if(s===L.getRequiredNChunks(this.nsplats,n))for(let o=0;o<t.length;o++){let r=t[o],h=Math.floor(r/this.chunkSize);h in a?a[h].push(r):a[h]=[r]}else{let o=this.variableChunkSize,r={},h=0;for(let u=0;u<s;u++)r[u]=h,h+=o[u];for(let u=0;u<t.length;u++){let f=t[u],p=Math.min(Math.floor(f/n),s-1);for(;f>=r[p]+o[p];)p++;p in a?a[p].push(f):a[p]=[f]}}return a}pruneSplats(t){let s,a=this._countIndexesInChunks(t),n=[];return a.length>0&&(s=this.variableChunkSize?[...this.variableChunkSize]:Array(this.nchunks).fill(this.chunkSize),a.forEach((i,e)=>{s[e]-=i.length,s[e]<=0&&n.push(e)}),s=s.filter(i=>i>0)),new et(this.config,this.xyz.pruneFeature(t,n,s),this.scaling.pruneFeature(t,n,s),this.color.pruneFeature(t,n,s),this.opacity.pruneFeature(t,n,s),this.quaternion.pruneFeature(t,n,s),this.harmonics?this.harmonics.map(i=>i.pruneFeature(t,n,this.variableChunkSize)):void 0,s)}static loadConfig(t){return(0,st.c)(function*(){return yield(yield fetch(t,{method:"GET",mode:"cors",headers:{Accept:"application/json"}})).json()})()}toGaussians(){var t;let s={},n=0;if(s.x={dtype:"float",index:n},n++,s.y={dtype:"float",index:n},n++,s.z={dtype:"float",index:n},n++,s.f_dc_0={dtype:"float",index:n},n++,s.f_dc_1={dtype:"float",index:n},n++,s.f_dc_2={dtype:"float",index:n},n++,this.harmonics&&this.harmonics.length>0)for(let e=0;e<this.harmonics.length;e++)s["f_rest_".concat(e)]={dtype:"float",index:n},n++,s["f_rest_".concat(e+1)]={dtype:"float",index:n},n++,s["f_rest_".concat(e+2)]={dtype:"float",index:n},n++;s.opacity={dtype:"float",index:n},n++,s.scale_0={dtype:"float",index:n},n++,s.scale_1={dtype:"float",index:n},n++,s.scale_2={dtype:"float",index:n},n++,s.rot_0={dtype:"float",index:n},n++,s.rot_1={dtype:"float",index:n},n++,s.rot_2={dtype:"float",index:n},n++,s.rot_3={dtype:"float",index:n},n++;let i=null===(t=this.harmonics)||void 0===t?void 0:t.map(e=>e.denormDequant());return new W(s,{format:"binary_little_endian",version:"1.0"},this.xyz.length,this.xyz.denormDequant(),this.color.denormDequant(),i||[],this.opacity.denormDequant(),this.scaling.denormDequant(),this.quaternion.denormDequant(),3)}},K=T(J(),1),O=T(tt(),1),D=1e-6,I=typeof Float32Array<"u"?Float32Array:Array,ft=Math.random;Math,Math.hypot||(Math.hypot=function(){for(var t=0,a=arguments.length;a--;)t+=arguments[a]*arguments[a];return Math.sqrt(t)});var Y={};function At(){var t=new I(9);return I!=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 ya(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[4],t[4]=a[5],t[5]=a[6],t[6]=a[8],t[7]=a[9],t[8]=a[10],t}function ga(t){var a=new I(9);return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[8]=t[8],a}function ma(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[4]=a[4],t[5]=a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t}function ba(t,a,s,n,i,e,o,r,h){var u=new I(9);return u[0]=t,u[1]=a,u[2]=s,u[3]=n,u[4]=i,u[5]=e,u[6]=o,u[7]=r,u[8]=h,u}function _a(t,a,s,n,i,e,o,r,h,u){return t[0]=a,t[1]=s,t[2]=n,t[3]=i,t[4]=e,t[5]=o,t[6]=r,t[7]=h,t[8]=u,t}function va(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 Ma(t,a){if(t===a){var s=a[1],n=a[2],i=a[5];t[1]=a[3],t[2]=a[6],t[3]=s,t[5]=a[7],t[6]=n,t[7]=i}else t[0]=a[0],t[1]=a[3],t[2]=a[6],t[3]=a[1],t[4]=a[4],t[5]=a[7],t[6]=a[2],t[7]=a[5],t[8]=a[8];return t}function xa(t,a){var s=a[0],n=a[1],i=a[2],e=a[3],o=a[4],r=a[5],h=a[6],u=a[7],f=a[8],p=f*o-r*u,l=-f*e+r*h,c=u*e-o*h,d=s*p+n*l+i*c;return d?(t[0]=p*(d=1/d),t[1]=(-f*n+i*u)*d,t[2]=(r*n-i*o)*d,t[3]=l*d,t[4]=(f*s-i*h)*d,t[5]=(-r*s+i*e)*d,t[6]=c*d,t[7]=(-u*s+n*h)*d,t[8]=(o*s-n*e)*d,t):null}function wa(t,a){var s=a[0],n=a[1],i=a[2],e=a[3],o=a[4],r=a[5],h=a[6],u=a[7],f=a[8];return t[0]=o*f-r*u,t[1]=i*u-n*f,t[2]=n*r-i*o,t[3]=r*h-e*f,t[4]=s*f-i*h,t[5]=i*e-s*r,t[6]=e*u-o*h,t[7]=n*h-s*u,t[8]=s*o-n*e,t}function ka(t){var i=t[3],e=t[4],o=t[5],r=t[6],h=t[7],u=t[8];return t[0]*(u*e-o*h)+t[1]*(-u*i+o*r)+t[2]*(h*i-e*r)}function qt(t,a,s){var n=a[0],i=a[1],e=a[2],o=a[3],r=a[4],h=a[5],u=a[6],f=a[7],p=a[8],l=s[0],c=s[1],d=s[2],y=s[3],g=s[4],m=s[5],b=s[6],_=s[7],M=s[8];return t[0]=l*n+c*o+d*u,t[1]=l*i+c*r+d*f,t[2]=l*e+c*h+d*p,t[3]=y*n+g*o+m*u,t[4]=y*i+g*r+m*f,t[5]=y*e+g*h+m*p,t[6]=b*n+_*o+M*u,t[7]=b*i+_*r+M*f,t[8]=b*e+_*h+M*p,t}function Aa(t,a,s){var n=a[0],i=a[1],e=a[2],o=a[3],r=a[4],h=a[5],u=a[6],f=a[7],p=a[8],l=s[0],c=s[1];return t[0]=n,t[1]=i,t[2]=e,t[3]=o,t[4]=r,t[5]=h,t[6]=l*n+c*o+u,t[7]=l*i+c*r+f,t[8]=l*e+c*h+p,t}function qa(t,a,s){var n=a[0],i=a[1],e=a[2],o=a[3],r=a[4],h=a[5],u=a[6],f=a[7],p=a[8],l=Math.sin(s),c=Math.cos(s);return t[0]=c*n+l*o,t[1]=c*i+l*r,t[2]=c*e+l*h,t[3]=c*o-l*n,t[4]=c*r-l*i,t[5]=c*h-l*e,t[6]=u,t[7]=f,t[8]=p,t}function za(t,a,s){var n=s[0],i=s[1];return t[0]=n*a[0],t[1]=n*a[1],t[2]=n*a[2],t[3]=i*a[3],t[4]=i*a[4],t[5]=i*a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t}function ja(t,a){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=a[0],t[7]=a[1],t[8]=1,t}function Va(t,a){var s=Math.sin(a),n=Math.cos(a);return t[0]=n,t[1]=s,t[2]=0,t[3]=-s,t[4]=n,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t}function Sa(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=0,t[4]=a[1],t[5]=0,t[6]=0,t[7]=0,t[8]=1,t}function Da(t,a){return t[0]=a[0],t[1]=a[1],t[2]=0,t[3]=a[2],t[4]=a[3],t[5]=0,t[6]=a[4],t[7]=a[5],t[8]=1,t}function Fa(t,a){var s=a[0],n=a[1],i=a[2],e=a[3],o=s+s,r=n+n,h=i+i,u=s*o,f=n*o,p=n*r,l=i*o,c=i*r,d=i*h,y=e*o,g=e*r,m=e*h;return t[0]=1-p-d,t[3]=f-m,t[6]=l+g,t[1]=f+m,t[4]=1-u-d,t[7]=c-y,t[2]=l-g,t[5]=c+y,t[8]=1-u-p,t}function Na(t,a){var s=a[0],n=a[1],i=a[2],e=a[3],o=a[4],r=a[5],h=a[6],u=a[7],f=a[8],p=a[9],l=a[10],c=a[11],d=a[12],y=a[13],g=
1a[14],m=a[15],b=s*r-n*o,_=s*h-i*o,M=s*u-e*o,x=n*h-i*r,w=n*u-e*r,v=i*u-e*h,A=f*y-p*d,S=f*g-l*d,z=f*m-c*d,k=p*g-l*y,F=p*m-c*y,N=l*m-c*g,q=b*N-_*F+M*k+x*z-w*S+v*A;return q?(t[0]=(r*N-h*F+u*k)*(q=1/q),t[1]=(h*z-o*N-u*S)*q,t[2]=(o*F-r*z+u*A)*q,t[3]=(i*F-n*N-e*k)*q,t[4]=(s*N-i*z+e*S)*q,t[5]=(n*z-s*F-e*A)*q,t[6]=(y*v-g*w+m*x)*q,t[7]=(g*M-d*v-m*_)*q,t[8]=(d*w-y*M+m*b)*q,t):null}function Ba(t,a,s){return t[0]=2/a,t[1]=0,t[2]=0,t[3]=0,t[4]=-2/s,t[5]=0,t[6]=-1,t[7]=1,t[8]=1,t}function La(t){return"mat3("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+")"}function Ua(t){return Math.hypot(t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8])}function Ca(t,a,s){return t[0]=a[0]+s[0],t[1]=a[1]+s[1],t[2]=a[2]+s[2],t[3]=a[3]+s[3],t[4]=a[4]+s[4],t[5]=a[5]+s[5],t[6]=a[6]+s[6],t[7]=a[7]+s[7],t[8]=a[8]+s[8],t}function zt(t,a,s){return t[0]=a[0]-s[0],t[1]=a[1]-s[1],t[2]=a[2]-s[2],t[3]=a[3]-s[3],t[4]=a[4]-s[4],t[5]=a[5]-s[5],t[6]=a[6]-s[6],t[7]=a[7]-s[7],t[8]=a[8]-s[8],t}function Ia(t,a,s){return t[0]=a[0]*s,t[1]=a[1]*s,t[2]=a[2]*s,t[3]=a[3]*s,t[4]=a[4]*s,t[5]=a[5]*s,t[6]=a[6]*s,t[7]=a[7]*s,t[8]=a[8]*s,t}function Ea(t,a,s,n){return t[0]=a[0]+s[0]*n,t[1]=a[1]+s[1]*n,t[2]=a[2]+s[2]*n,t[3]=a[3]+s[3]*n,t[4]=a[4]+s[4]*n,t[5]=a[5]+s[5]*n,t[6]=a[6]+s[6]*n,t[7]=a[7]+s[7]*n,t[8]=a[8]+s[8]*n,t}function Oa(t,a){return t[0]===a[0]&&t[1]===a[1]&&t[2]===a[2]&&t[3]===a[3]&&t[4]===a[4]&&t[5]===a[5]&&t[6]===a[
16]&&t[7]===a[7]&&t[8]===a[8]}function Ta(t,a){var s=t[0],n=t[1],i=t[2],e=t[3],o=t[4],r=t[5],h=t[6],u=t[7],f=t[8],p=a[0],l=a[1],c=a[2],d=a[3],y=a[4],g=a[5],m=a[6],b=a[7],_=a[8];return Math.abs(s-p)<=D*Math.max(1,Math.abs(s),Math.abs(p))&&Math.abs(n-l)<=D*Math.max(1,Math.abs(n),Math.abs(l))&&Math.abs(i-c)<=D*Math.max(1,Math.abs(i),Math.abs(c))&&Math.abs(e-d)<=D*Math.max(1,Math.abs(e),Math.abs(d))&&Math.abs(o-y)<=D*Math.max(1,Math.abs(o),Math.abs(y))&&Math.abs(r-g)<=D*Math.max(1,Math.abs(r),Math.abs(g))&&Math.abs(h-m)<=D*Math.max(1,Math.abs(h),Math.abs(m))&&Math.abs(u-b)<=D*Math.max(1,Math.abs(u),Math.abs(b))&&Math.abs(f-_)<=D*Math.max(1,Math.abs(f),Math.abs(_))}ht(Y,{add:()=>Ca,adjoint:()=>wa,clone:()=>ga,copy:()=>ma,create:()=>At,determinant:()=>ka,equals:()=>Ta,exactEquals:()=>Oa,frob:()=>Ua,fromMat2d:()=>Da,fromMat4:()=>ya,fromQuat:()=>Fa,fromRotation:()=>Va,fromScaling:()=>Sa,fromTranslation:()=>ja,fromValues:()=>ba,identity:()=>va,invert:()=>xa,mul:()=>Pa,multiply:()=>qt,multiplyScalar:()=>Ia,multiplyScalarAndAdd:()=>Ea,normalFromMat4:()=>Na,projection:()=>Ba,rotate:()=>qa,scale:()=>za,set:()=>_a,str:()=>La,sub:()=>$a,subtract:()=>zt,translate:()=>Aa,transpose:()=>Ma});var Pa=qt,$a=zt,pt={};function Ra(){var t=new I(16);return I!=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 Ga(t){var a=new I(16);return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15],a}function Ha(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[4]=a[4],t[5]=a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t[9]=a[9],t[10]=a[10],t[11]=a[11],t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15],t}function Wa(t,a,s,n,i,e,o,r,h,u,f,p,l,c,d,y){var g=new I(16);return g[0]=t,g[1]=a,g[2]=s,g[3]=n,g[4]=i,g[5]=e,g[6]=o,g[7]=r,g[8]=h,g[9]=u,g[10]=f,g[11]=p,g[12]=l,g[13]=c,g[14]=d,g[15]=y,g}function Ya(t,a,s,n,i,e,o,r,h,u,f,p,l,c,d,y,g){return t[0]=a,t[1]=s,t[2]=n,t[3]=i,t[4]=e,t[5]=o,t[6]=r,t[7]=h,t[8]=u,t[9]=f,t[10]=p,t[11]=l,t[12]=c,t[13]=d,t[14]=y,t[15]=g,t}function jt(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 Qa(t,a){if(t===a){var s=a[1],n=a[2],i=a[3],e=a[6],o=a[7],r=a[11];t[1]=a[4],t[2]=a[8],t[3]=a[12],t[4]=s,t[6]=a[9],t[7]=a[13],t[8]=n,t[9]=e,t[11]=a[14],t[12]=i,t[13]=o,t[14]=r}else t[0]=a[0],t[1]=a[4],t[2]=a[8],t[3]=a[12],t[4]=a[1],t[5]=a[5],t[6]=a[9],t[7]=a[13],t[8]=a[2],t[9]=a[6],t[10]=a[10],t[11]=a[14],t[12]=a[3],t[13]=a[7],t[14]=a[11],t[15]=a[15];return t}function Za(t,a){var s=a[0],n=a[1],i=a[2],e=a[3],o=a[4],r=a[5],h=a[6],u=a[7],f=a[8],p=a[9],l=a[10],c=a[11],d=a[12],y=a[13],g=a[14],m=a[15],b=s*r-n*o,_=s*h-i*o,M=s*u-e*o,x=n*h-i*r,w=n*u-e*r,v=i*u-e*h,A=f*y-p*d,S=f*g-l*d,z=f*m-c*d,k=p*g-l*y,F=p*m-c*y,N=l*m-c*g,q=b*N-_*F+M*k+x*z-w*S+v*A;return q?(t[0]=(r*N-h*F+u*k)*(q=1/q),t[1]=(i*F-n*N-e*k)*q,t[2]=(y*v-g*w+m*x)*q,t[3]=(l*w-p*v-c*x)*q,t[4]=(h*z-o*N-u*S)*q,t[5]=(s*N-i*z+e*S)*q,t[6]=(g*M-d*v-m*_)*q,t[7]=(f*v-l*M+c*_)*q,t[8]=(o*F-r*z+u*A)*q,t[9]=(n*z-s*F-e*A)*q,t[10]=(d*w-y*M+m*b)*q,t[11]=(p*M-f*w-c*b)*q,t[12]=(r*S-o*k-h*A)*q,t[13]=(s*k-n*S+i*A)*q,t[14]=(y*_-d*x-g*b)*q,t[15]=(f*x-p*_+l*b)*q,t):null}function Xa(t,a){var s=a[0],n=a[1],i=a[2],e=a[3],o=a[4],r=a[5],h=a[6],u=a[7],f=a[8],p=a[9],l=a[10],c=a[11],d=a[12],y=a[13],g=a[14],m=a[15];return t[0]=r*(l*m-c*g)-p*(h*m-u*g)+y*(h*c-u*l),t[1]=-(n*(l*m-c*g)-p*(i*m-e*g)+y*(i*c-e*l)),t[2]=n*(h*m-u*g)-r*(i*m-e*g)+y*(i*u-e*h),t[3]=-(n*(h*c-u*l)-r*(i*c-e*l)+p*(i*u-e*h)),t[4]=-(o*(l*m-c*g)-f*(h*m-u*g)+d*(h*c-u*l)),t[5]=s*(l*m-c*g)-f*(i*m-e*g)+d*(i*c-e*l),t[6]=-(s*(h*m-u*g)-o*(i*m-e*g)+d*(i*u-e*h)),t[7]=s*(h*c-u*l)-o*(i*c-e*l)+f*(i*u-e*h),t[8]=o*(p*m-c*y)-f*(r*m-u*y)+d*(r*c-u*p),t[9]=-(s*(p*m-c*y)-f*(n*m-e*y)+d*(n*c-e*p)),t[10]=s*(r*m-u*y)-o*(n*m-e*y)+d*(n*u-e*r),t[11]=-(s*(r*c-u*p)-o*(n*c-e*p)+f*(n*u-e*r)),t[12]=-(o*(p*g-l*y)-f*(r*g-h*y)+d*(r*l-h*p)),t[13]=s*(p*g-l*y)-f*(n*g-i*y)+d*(n*l-i*p),t[14]=-(s*(r*g-h*y)-o*(n*g-i*y)+d*(n*h-i*r)),t[15]=s*(r*l-h*p)-o*(n*l-i*p)+f*(n*h-i*r),t}function Ka(t){var a=t[0],s=t[1],n=t[2],i=t[3],e=t[4],o=t[5],r=t[6],h=t[7],u=t[8],f=t[9],p=t[10],l=t[11
1],c=t[12],d=t[13],y=t[14],g=t[15];return(a*o-s*e)*(p*g-l*y)-(a*r-n*e)*(f*g-l*d)+(a*h-i*e)*(f*y-p*d)+(s*r-n*o)*(u*g-l*c)-(s*h-i*o)*(u*y-p*c)+(n*h-i*r)*(u*d-f*c)}function Vt(t,a,s){var n=a[0],i=a[1],e=a[2],o=a[3],r=a[4],h=a[5],u=a[6],f=a[7],p=a[8],l=a[9],c=a[10],d=a[11],y=a[12],g=a[13],m=a[14],b=a[15],_=s[0],M=s[1],x=s[2],w=s[3];return t[0]=_*n+M*r+x*p+w*y,t[1]=_*i+M*h+x*l+w*g,t[2]=_*e+M*u+x*c+w*m,t[3]=_*o+M*f+x*d+w*b,t[4]=(_=s[4])*n+(M=s[5])*r+(x=s[6])*p+(w=s[7])*y,t[5]=_*i+M*h+x*l+w*g,t[6]=_*e+M*u+x*c+w*m,t[7]=_*o+M*f+x*d+w*b,t[8]=(_=s[8])*n+(M=s[9])*r+(x=s[10])*p+(w=s[11])*y,t[9]=_*i+M*h+x*l+w*g,t[10]=_*e+M*u+x*c+w*m,t[11]=_*o+M*f+x*d+w*b,t[12]=(_=s[12])*n+(M=s[13])*r+(x=s[14])*p+(w=s[15])*y,t[13]=_*i+M*h+x*l+w*g,t[14]=_*e+M*u+x*c+w*m,t[15]=_*o+M*f+x*d+w*b,t}function Ja(t,a,s){var o,r,h,u,f,p,l,c,d,y,g,m,n=s[0],i=s[1],e=s[2];return a===t?(t[12]=a[0]*n+a[4]*i+a[8]*e+a[12],t[13]=a[1]*n+a[5]*i+a[9]*e+a[13],t[14]=a[2]*n+a[6]*i+a[10]*e+a[14],t[15]=a[3]*n+a[7]*i+a[11]*e+a[15]):(r=a[1],h=a[2],u=a[3],f=a[4],p=a[5],l=a[6],c=a[7],d=a[8],y=a[9],g=a[10],m=a[11],t[0]=o=a[0],t[1]=r,t[2]=h,t[3]=u,t[4]=f,t[5]=p,t[6]=l,t[7]=c,t[8]=d,t[9]=y,t[10]=g,t[11]=m,t[12]=o*n+f*i+d*e+a[12],t[13]=r*n+p*i+y*e+a[13],t[14]=h*n+l*i+g*e+a[14],t[15]=u*n+c*i+m*e+a[15]),t}function ts(t,a,s){var n=s[0],i=s[1],e=s[2];return t[0]=a[0]*n,t[1]=a[1]*n,t[2]=a[2]*n,t[3]=a[3]*n,t[4]=a[4]*i,t[5]=a[5]*i,t[6]=a[6]*i,t[7]=a[7]*i,t[8]=a[8]*e,t[9]=a[9]*e,t[10]=a[10]*e,t[11]=a[11]*e,t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15],t}function as(t,a,s,n){var h,u,f,p,l,c,d,y,g,m,b,_,M,x,w,v,A,S,z,k,F,N,q,E,i=n[0],e=n[1],o=n[2],r=Math.hypot(i,e,o);return r<D?null:(i*=r=1/r,e*=r,o*=r,h=Math.sin(s),u=Math.cos(s),l=a[1],c=a[2],d=a[3],g=a[5],m=a[6],b=a[7],M=a[9],x=a[10],w=a[11],z=i*e*(f=1-u)-o*h,k=e*e*f+u,F=o*e*f+i*h,N=i*o*f+e*h,q=e*o*f-i*h,E=o*o*f+u,t[0]=(p=a[0])*(v=i*i*f+u)+(y=a[4])*(A=e*i*f+o*h)+(_=a[8])*(S=o*i*f-e*h),t[1]=l*v+g*A+M*S,t[2]=c*v+m*A+x*S,t[3]=d*v+b*A+w*S,t[4]=p*z+y*k+_*F,t[5]=l*z+g*k+M*F,t[6]=c*z+m*k+x*F,t[7]=d*z+b*k+w*F,t[8]=p*N+y*q+_*E,t[9]=l*N+g*q+M*E,t[10]=c*N+m*q+x*E,t[11]=d*N+b*q+w*E,a!==t&&(t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15]),t)}function ss(t,a,s){var n=Math.sin(s),i=Math.cos(s),e=a[4],o=a[5],r=a[6],h=a[7],u=a[8],f=a[9],p=a[10],l=a[11];return a!==t&&(t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15]),t[4]=e*i+u*n,t[5]=o*i+f*n,t[6]=r*i+p*n,t[7]=h*i+l*n,t[8]=u*i-e*n,t[9]=f*i-o*n,t[10]=p*i-r*n,t[11]=l*i-h*n,t}function ns(t,a,s){var n=Math.sin(s),i=Math.cos(s),e=a[0],o=a[1],r=a[2],h=a[3],u=a[8],f=a[9],p=a[10],l=a[11];return a!==t&&(t[4]=a[4],t[5]=a[5],t[6]=a[6],t[7]=a[7],t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15]),t[0]=e*i-u*n,t[1]=o*i-f*n,t[2]=r*i-p*n,t[3]=h*i-l*n,t[8]=e*n+u*i,t[9]=o*n+f*i,t[10]=r*n+p*i,t[11]=h*n+l*i,t}function is(t,a,s){var n=Math.sin(s),i=Math.cos(s),e=a[0],o=a[1],r=a[2],h=a[3],u=a[4],f=
1a[5],p=a[6],l=a[7];return a!==t&&(t[8]=a[8],t[9]=a[9],t[10]=a[10],t[11]=a[11],t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15]),t[0]=e*i+u*n,t[1]=o*i+f*n,t[2]=r*i+p*n,t[3]=h*i+l*n,t[4]=u*i-e*n,t[5]=f*i-o*n,t[6]=p*i-r*n,t[7]=l*i-h*n,t}function es(t,a){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]=a[0],t[13]=a[1],t[14]=a[2],t[15]=1,t}function os(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=a[1],t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=a[2],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function rs(t,a,s){var r,h,u,n=s[0],i=s[1],e=s[2],o=Math.hypot(n,i,e);return o<D?null:(n*=o=1/o,i*=o,e*=o,r=Math.sin(a),h=Math.cos(a),t[0]=n*n*(u=1-h)+h,t[1]=i*n*u+e*r,t[2]=e*n*u-i*r,t[3]=0,t[4]=n*i*u-e*r,t[5]=i*i*u+h,t[6]=e*i*u+n*r,t[7]=0,t[8]=n*e*u+i*r,t[9]=i*e*u-n*r,t[10]=e*e*u+h,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t)}function hs(t,a){var s=Math.sin(a),n=Math.cos(a);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n,t[6]=s,t[7]=0,t[8]=0,t[9]=-s,t[10]=n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function us(t,a){var s=Math.sin(a),n=Math.cos(a);return t[0]=n,t[1]=0,t[2]=-s,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=s,t[9]=0,t[10]=n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function ls(t,a){var s=Math.sin(a),n=Math.cos(a);return t[0]=n,t[1]=s,t[2]=0,t[3]=0,t[4]=-s,t[5]=n,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 St(t,a,s){var n=a[0],i=a[1],e=a[2],o=a[3],r=n+n,h=i+i,u=e+e,f=n*r,p=n*h,l=n*u,c=i*h,d=i*u,y=e*u,g=o*r,m=o*h,b=o*u;return t[0]=1-(c+y),t[1]=p+b,t[2]=l-m,t[3]=0,t[4]=p-b,t[5]=1-(f+y),t[6]=d+g,t[7]=0,t[8]=l+m,t[9]=d-g,t[10]=1-(f+c),t[11]=0,t[12]=s[0],t[13]=s[1],t[14]=s[2],t[15]=1,t}function cs(t,a){var s=new I(3),n=-a[0],i=-a[1],e=-a[2],o=a[3],r=a[4],h=a[5],u=a[6],f=a[7],p=n*n+i*i+e*e+o*o;return p>0?(s[0]=2*(r*o+f*n+h*e-u*i)/p,s[1]=2*(h*o+f*i+u*n-r*e)/p,s[2]=2*(u*o+f*e+r*i-h*n)/p):(s[0]=2*(r*o+f*n+h*e-u*i),s[1]=2*(h*o+f*i+u*n-r*e),s[2]=2*(u*o+f*e+r*i-h*n)),St(t,a,s),t}function fs(t,a){return t[0]=a[12],t[1]=a[13],t[2]=a[14],t}function Dt(t,a){var e=a[4],o=a[5],r=a[6],h=a[8],u=a[9],f=a[10];return t[0]=Math.hypot(a[0],a[1],a[2]),t[1]=Math.hypot(e,o,r),t[2]=Math.hypot(h,u,f),t}function ps(t,a){var s=new I(3);Dt(s,a);var n=1/s[0],i=1/s[1],e=1/s[2],o=a[0]*n,r=a[1]*i,h=a[2]*e,u=a[4]*n,f=a[5]*i,p=a[6]*e,l=a[8]*n,c=a[9]*i,d=a[10]*e,y=o+f+d,g=0;return y>0?(g=2*Math.sqrt(y+1),t[3]=.25*g,t[0]=(p-c)/g,t[1]=(l-h)/g,t[2]=(r-u)/g):o>f&&o>d?(g=2*Math.sqrt(1+o-f-d),t[3]=(p-c)/g,t[0]=.25*g,t[1]=(r+u)/g,t[2]=(l+h)/g):f>d?(g=2*Math.sqrt(1+f-o-d),t[3]=(l-h)/g,t[0]=(r+u)/g,t[1]=.25*g,t[2]=(p+c)/g):(g=2*Math.sqrt(1+d-o-f),t[3]=(r-u)/g,t[0]=(l+h)/g,t[1]=(p+c)/g,t[2]=.25*g),t}function ds(t,a,s,n){var i=a[0],e=a[1],o=a[2],r=a[3],h=i+i,u=e+e,f=o+o,p=i*h,l=i*u,c=i*f,d=e*u,y=e*f,g=o*f,m=r*h,b=r*u,_=r*f,M=n[0],x=n[1],w=n[2];return t[0]=(1-(d+g))*M,t[1]=(l+_)*M,t[2]=(c-b)*M,t[3]=0,t[4]=(l-_)*x,t[5]=(1-(p+g))*x,t[6]=(y+m)*x,t[7]=0,t[8]=(c+b)*w,t[9]=(y-m)*w,t[10]=(1-(p+d))*w,t[11]=0,t[12]=s[0],t[13]=s[1],t[14]=s[2],t[15]=1,t}function ys(t,a,s,n,i){var e=a[0],o=a[1],r=a[2],h=a[3],u=e+e,f=o+o,p=r+r,l=e*u,c=e*f,d=e*p,y=o*f,g=o*p,m=r*p,b=h*u,_=h*f,M=h*p,x=n[0],w=n[1],v=n[2],A=i[0],S=i[1],z=i[2],k=(1-(y+m))*x,F=(c+M)*x,N=(d-_)*x,q=(c-M)*w,E=(1-(l+m))*w,Q=(g+b)*w,at=(d+_)*v,Wt=(g-b)*v,Yt=(1-(l+y))*v;return t[0]=k,t[1]=F,t[2]=N,t[3]=0,t[4]=q,t[5]=E,t[6]=Q,t[7]=0,t[8]=at,t[9]=Wt,t[10]=Yt,t[11]=0,t[12]=s[0]+A-(k*A+q*S+at*z),t[13]=s[1]+S-(F*A+E*S+Wt*z),t[14]=s[2]+z-(N*A+Q*S+Yt*z),t[15]=1,t}function gs(t,a){var s=a[0],n=a[1],i=a[2],e=a[3],o=s+s,r=n+n,h=i+i,u=s*o,f=n*o,p=n*r,l=i*o,c=i*r,d=i*h,y=e*o,g=e*r,m=e*h;return t[0]=1-p-d,t[1]=f+m,t[2]=l-g,t[3]=0,t[4]=f-m,t[5]=1-u-d,t[6]=c+y,t[7]=0,t[8]=l+g,t[9]=c-y,t[10]=1-u-p,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function ms(t,a,s,n,i,e,o){var r=1/(s-a),h=1/(i-n),u=1/(e-o);return t[0]=2*e*r,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=2*e*h,t[6]=0,t[7]=0,t[8]=(s+a)*r,t[9]=(i+n)*h,t[10]=(o+e)*u,t[11]=-1,t[12]=0,t[13]=0,t[14]=o*e*2*u,t[15]=0,t}function Ft(t,a,s,n,i){var o,e=1/Math.tan(a/2);return t[0]=e/s,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=e,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!=i&&i!==1/0?(t[10]=(i+n)*(o=1/(n-i)),t[14]=2*i*n*o):(t[10]=-1,t[14]=-2*n),t}ht(pt,{add:()=>zs,adjoint:()=>Xa,clone:()=>Ga,copy:()=>Ha,create:()=>Ra,determinant:()=>Ka,equals:()=>Ds,exactEquals:()=>Ss,frob:()=>qs,fromQuat:()=>gs,fromQuat2:()=>cs,fromRotation:()=>rs,fromRotationTranslation:()=>St,fromRotationTranslationScale:()=>ds,fromRotationTranslationScaleOrigin:()=>ys,fromScaling:()=>
1os,fromTranslation:()=>es,fromValues:()=>Wa,fromXRotation:()=>hs,fromYRotation:()=>us,fromZRotation:()=>ls,frustum:()=>ms,getRotation:()=>ps,getScaling:()=>Dt,getTranslation:()=>fs,identity:()=>jt,invert:()=>Za,lookAt:()=>ws,mul:()=>Fs,multiply:()=>Vt,multiplyScalar:()=>js,multiplyScalarAndAdd:()=>Vs,ortho:()=>Ms,orthoNO:()=>Nt,orthoZO:()=>xs,perspective:()=>bs,perspectiveFromFieldOfView:()=>vs,perspectiveNO:()=>Ft,perspectiveZO:()=>_s,rotate:()=>as,rotateX:()=>ss,rotateY:()=>ns,rotateZ:()=>is,scale:()=>ts,set:()=>Ya,str:()=>As,sub:()=>Ns,subtract:()=>Bt,targetTo:()=>ks,translate:()=>Ja,transpose:()=>Qa});var bs=Ft;function _s(t,a,s,n,i){var o,e=1/Math.tan(a/2);return t[0]=e/s,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=e,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!=i&&i!==1/0?(t[10]=i*(o=1/(n-i)),t[14]=i*n*o):(t[10]=-1,t[14]=-n),t}function vs(t,a,s,n){var i=Math.tan(a.upDegrees*Math.PI/180),e=Math.tan(a.downDegrees*Math.PI/180),o=Math.tan(a.leftDegrees*Math.PI/180),r=Math.tan(a.rightDegrees*Math.PI/180),h=2/(o+r),u=2/(i+e);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]=-(o-r)*h*.5,t[9]=(i-e)*u*.5,t[10]=n/(s-n),t[11]=-1,t[12]=0,t[13]=0,t[14]=n*s/(s-n),t[15]=0,t}function Nt(t,a,s,n,i,e,o){var r=1/(a-s),h=1/(n-i),u=1/(e-o);return t[0]=-2*r,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]=(a+s)*r,t[13]=(i+n)*h,t[14]=(o+e)*u,t[15]=1,t}var Ms=Nt;function xs(t,a,s,n,i,e,o){var r=1/(a-s),h=1/(n-i),u=1/(e-o);return t[0]=-2*r,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]=(a+s)*r,t[13]=(i+n)*h,t[14]=e*u,t[15]=1,t}function ws(t,a,s,n){var i,e,o,r,h,u,f,p,l,c,d=a[0],y=a[1],g=a[2],m=n[0],b=n[1],_=n[2],M=s[0],x=s[1],w=s[2];return Math.abs(d-M)<D&&Math.abs(y-x)<D&&Math.abs(g-w)<D?jt(t):(f=d-M,p=y-x,l=g-w,i=b*(l*=c=1/Math.hypot(f,p,l))-_*(p*=c),e=_*(f*=c)-m*l,o=m*p-b*f,(c=Math.hypot(i,e,o))?(i*=c=1/c,e*=c,o*=c):(i=0,e=0,o=0),r=p*o-l*e,h=l*i-f*o,u=f*e-p*i,(c=Math.hypot(r,h,u))?(r*=c=1/c,h*=c,u*=c):(r=0,h=0,u=0),t[0]=i,t[1]=r,t[2]=f,t[3]=0,t[4]=e,t[5]=h,t[6]=p,t[7]=0,t[8]=o,t[9]=u,t[10]=l,t[11]=0,t[12]=-(i*d+e*y+o*g),t[13]=-(r*d+h*y+u*g),t[14]=-(f*d+p*y+l*g),t[15]=1,t)}function ks(t,a,s,n){var i=a[0],e=a[1],o=a[2],r=n[0],h=n[1],u=n[2],f=i-s[0],p=e-s[1],l=o-s[2],c=f*f+p*p+l*l;c>0&&(f*=c=1/Math.sqrt(c),p*=c,l*=c);var d=h*l-u*p,y=u*f-r*l,g=r*p-h*f;return(c=d*d+y*y+g*g)>0&&(d*=c=1/Math.sqrt(c),y*=c,g*=c),t[0]=d,t[1]=y,t[2]=g,t[3]=0,t[4]=p*g-l*y,t[5]=l*d-f*g,t[6]=f*y-p*d,t[7]=0,t[8]=f,t[9]=p,t[10]=l,t[11]=0,t[12]=i,t[13]=e,t[14]=o,t[15]=1,t}function As(t){return"mat4("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+", "+t[9]+", "+t[10]+", "+t[11]+", "+t[12]+", "+t[13]+", "+t[14]+", "+t[15]+")"}function qs(t){return Math.hypot(t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8],t[9],t[10],t[11],t[12],t[13],t[14],t[15])}function zs(t,a,s){return t[0]=a[0]+s[0],t[1]=a[1]+s[1],t[2]=a[2]+s[2],t[3]=a[3]+s[3],t[4]=a[4]+s[4],t[5]=a[5]+s[5],t[6]=a[6]+s[6],t[7]=a[7]+s[7],t[8]=a[8]+s[8],t[9]=a[9]+s[9],t[10]=a[10]+s[10],t[11]=a[11]+s[11],t[12]=a[12]+s[12],t[13]=a[13]+s[13],t[14]=a[14]+s[14],t[15]=a[15]+s[15],t}function Bt(t,a,s){return t[0]=a[0]-s[0],t[1]=a[1]-s[1],t[2]=a[2]-s[2],t[3]=a[3]-s[3],t[4]=a[4]-s[4],t[5]=a[5]-s[5],t[6]=a[6]-s[6],t[7]=a[7]-s[7],t[8]=a[8]-s[8],t[9]=a[9]-s[9],t[10]=a[10]-s[10],t[11]=a[11]-s[11],t[12]=a[12]-s[12],t[13]=a[13]-s[13],t[14]=a[14]-s[14],t[15]=a[15]-s[15],t}function js(t,a,s){return t[0]=a[0]*s,t[1]=a[1]*s,t[2]=a[2]*s,t[3]=a[3]*s,t[4]=a[4]*s,t[5]=a[5]*s,t[6]=a[6]*s,t[7]=a[7]*s,t[8]=a[8]*s,t[9]=a[9]*s,t[10]=a[10]*s,t[11]=a[11]*s,t[12]=a[12]*s,t[13]=a[13]*s,t[14]=a[14]*s,t[15]=a[15]*s,t}function Vs(t,a,s,n){return t[0]=a[0]+s[0]*n,t[1]=a[1]+s[1]*n,t[2]=a[2]+s[2]*n,t[3]=a[3]+s[3]*n,t[4]=a[4]+s[4]*n,t[5]=a[5]+s[5]*n,t[6]=a[6]+s[6]*n,t[7]=a[7]+s[7]*n,t[8]=a[8]+s[8]*n,t[9]=a[9]+s[9]*n,t[10]=a[10]+s[10]*n,t[11]=a[11]+s[11]*n,t[12]=a[12]+s[12]*n,t[13]=a[13]+s[13]*n,t[14]=a[14]+s[14]*n,t[15]=a[15]+s[15]*n,t}function Ss(t,a){return t[0]===a[0]&&t[1]===a[1]&&t[2]===a[2]&&t[3]===a[3]&&t[4]===a[4]&&t[5]===a[5]&&t[6]===a[
16]&&t[7]===a[7]&&t[8]===a[8]&&t[9]===a[9]&&t[10]===a[10]&&t[11]===a[11]&&t[12]===a[12]&&t[13]===a[13]&&t[14]===a[14]&&t[15]===a[15]}function Ds(t,a){var s=t[0],n=t[1],i=t[2],e=t[3],o=t[4],r=t[5],h=t[6],u=t[7],f=t[8],p=t[9],l=t[10],c=t[11],d=t[12],y=t[13],g=t[14],m=t[15],b=a[0],_=a[1],M=a[2],x=a[3],w=a[4],v=a[5],A=a[6],S=a[7],z=a[8],k=a[9],F=a[10],N=a[11],q=a[12],E=a[13],Q=a[14],at=a[15];return 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I(3);return n[0]=t,n[1]=a,n[2]=s,n}function yt(t,a,s){var n=a[0],i=a[1],e=a[2],o=s[0],r=s[1],h=s[2];return t[0]=i*h-e*r,t[1]=e*o-n*h,t[2]=n*r-i*o,t}ht(dt,{add:()=>gn,calculateW:()=>en,clone:()=>fn,conjugate:()=>un,copy:()=>dn,create:()=>gt,dot:()=>$t,equals:()=>xn,exactEquals:()=>Mn,exp:()=>Et,fromEuler:()=>ln,fromMat3:()=>Tt,fromValues:()=>pn,getAngle:()=>tn,getAxisAngle:()=>Js,identity:()=>Ks,invert:()=>hn,len:()=>_n,length:()=>Rt,lerp:()=>bn,ln:()=>Ot,mul:()=>mn,multiply:()=>It,normalize:()=>mt,pow:()=>on,random:()=>rn,rotateX:()=>an,rotateY:()=>sn,rotateZ:()=>nn,rotationTo:()=>wn,scale:()=>Pt,set:()=>yn,setAxes:()=>An,setAxisAngle:()=>Ct,slerp:()=>ot,sqlerp:()=>kn,sqrLen:()=>vn,squaredLength:()=>Gt,str:()=>cn});function gt(){var t=new I(4);return I!=Float32Array&&(t[0]=0,t[1]=0,t[2]=0),t[3]=1,t}function Ks(t){return t[0]=0,t[1]=0,t[2]=0,t[3]=1,t}function Ct(t,a,s){s*=.5;var n=Math.sin(s);return t[0]=n*a[0],t[1]=n*a[1],t[2]=n*a[2],t[3]=Math.cos(s),t}function Js(t,a){var 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p=0;p<a;p++){pt.fromScaling(f,[Math.exp(i.get(p,0)),Math.exp(i.get(p,1)),Math.exp(i.get(p,2))]),Y.fromMat4(h,f),dt.set(o,e.get(p,0),e.get(p,1),e.get(p,2),e.get(p,3)),Y.fromQuat(r,o),Y.multiply(u,r,h);let l=u;n[6*p]=l[0]*l[0]+l[3]*l[3]+l[6]*l[6],n[6*p+1]=l[0]*l[1]+l[3]*l[4]+l[6]*l[7],n[6*p+2]=l[0]*l[2]+l[3]*l[5]+l[6]*l[8],n[6*p+3]=l[1]*l[1]+l[4]*l[4]+l[7]*l[7],n[6*p+4]=l[1]*l[2]+l[4]*l[5]+l[7]*l[8],n[6*p+5]=l[2]*l[2]+l[5]*l[5]+l[8]*l[8]}this._precomputedCovarianceBufferData=s}decodeHeader(){let t=this._buffer,a=new TextDecoder,s=0,n="",i=100;for(;;){if(s+i>=t.byteLength)throw new Error("End of file reached while searching for end of header");let g=new Uint8Array(t,s,i);n+=a.decode(g),s+=i;let m=s-200,b=new Uint8Array(t,Math.max(0,m),m>=0?200:i);if(a.decode(b).includes("end_header"))break}let e=n.split("\n"),o=0,r=0,h=0,u=0,f="",p="",l={};for(let g=0;g<e.length;g++){var c;let m=e[g].trim();if(m.startsWith("version"))p=null!==(c=m.split(" ")[1])&&void 0!==c?c:"";else 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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.