vendor: 26,343 bytes, lines 1-8
1import{r as It}from"./file-url-DoxvUUVV.js";import"./DownloadLink.svelte_svelte_type_style_lang-C_5UIfol.js";class h{constructor(t=0,e=0,A=0){this.x=t,this.y=e,this.z=A}equals(t){return!(this.x!==t.x||this.y!==t.y||this.z!==t.z)}add(t){return typeof t=="number"?new h(this.x+t,this.y+t,this.z+t):new h(this.x+t.x,this.y+t.y,this.z+t.z)}subtract(t){return typeof t=="number"?new h(this.x-t,this.y-t,this.z-t):new h(this.x-t.x,this.y-t.y,this.z-t.z)}multiply(t){return typeof t=="number"?new h(this.x*t,this.y*t,this.z*t):t instanceof h?new h(this.x*t.x,this.y*t.y,this.z*t.z):new h(this.x*t.buffer[0]+this.y*t.buffer[4]+this.z*t.buffer[8]+t.buffer[12],this.x*t.buffer[1]+this.y*t.buffer[5]+this.z*t.buffer[9]+t.buffer[13],this.x*t.buffer[2]+this.y*t.buffer[6]+this.z*t.buffer[10]+t.buffer[14])}divide(t){return typeof t=="number"?new h(this.x/t,this.y/t,this.z/t):new h(this.x/t.x,this.y/t.y,this.z/t.z)}cross(t){const e=this.y*t.z-this.z*t.y,A=this.z*t.x-this.x*t.z,Q=this.x*t.y-this.y*t.x;return new h(e,A,Q)}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lerp(t,e){return new h(this.x+(t.x-this.x)*e,this.y+(t.y-this.y)*e,this.z+(t.z-this.z)*e)}min(t){return new h(Math.min(this.x,t.x),Math.min(this.y,t.y),Math.min(this.z,t.z))}max(t){return new h(Math.max(this.x,t.x),Math.max(this.y,t.y),Math.max(this.z,t.z))}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error(`Invalid component index: ${t}`)}}minComponent(){return this.x<this.y&&this.x<this.z?0:this.y<this.z?1:2}maxComponent(){return this.x>this.y&&this.x>this.z?0:this.y>this.z?1:2}magnitude(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}distanceTo(t){return Math.sqrt((this.x-t.x)**2+(this.y-t.y)**2+(this.z-t.z)**2)}normalize(){const t=this.magnitude();return new h(this.x/t,this.y/t,this.z/t)}flat(){return[this.x,this.y,this.z]}clone(){return new h(this.x,this.y,this.z)}toString(){return`[${this.flat().join(", ")}]`}static One(t=1){return new h(t,t,t)}}class y{constructor(t=0,e=0,A=0,Q=1){this.x=t,this.y=e,this.z=A,this.w=Q}equals(t){return!(this.x!==t.x||this.y!==t.y||this.z!==t.z||this.w!==t.w)}normalize(){const t=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);return new y(this.x/t,this.y/t,this.z/t,this.w/t)}multiply(t){const e=this.w,A=this.x,Q=this.y,F=this.z,U=t.w,n=t.x,i=t.y,s=t.z;return new y(e*n+A*U+Q*s-F*i,e*i-A*s+Q*U+F*n,e*s+A*i-Q*n+F*U,e*U-A*n-Q*i-F*s)}inverse(){const t=this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w;return new y(-this.x/t,-this.y/t,-this.z/t,this.w/t)}apply(t){const e=new y(t.x,t.y,t.z,0),A=new y(-this.x,-this.y,-this.z,this.w),Q=this.multiply(e).multiply(A);return new h(Q.x,Q.y,Q.z)}flat(){return[this.x,this.y,this.z,this.w]}clone(){return new y(this.x,this.y,this.z,this.w)}static FromEuler(t){const e=t.x/2,A=t.y/2,Q=t.z/2,F=Math.cos(A),U=Math.sin(A),n=Math.cos(e),i=Math.sin(e),s=Math.cos(Q),I=Math.sin(Q);return new y(F*i*s+U*n*I,U*n*s-F*i*I,F*n*I-U*i*s,F*n*s+U*i*I)}toEuler(){const t=2*(this.w*this.x+this.y*this.z),e=1-2*(this.x*this.x+this.y*this.y),A=Math.atan2(t,e);let Q;const F=2*(this.w*this.y-this.z*this.x);Math.abs(F)>=1?Q=Math.sign(F)*Math.PI/2:Q=Math.asin(F);const U=2*(this.w*this.z+this.x*this.y),n=1-2*(this.y*this.y+this.z*this.z),i=Math.atan2(U,n);return new h(A,Q,i)}static FromMatrix3(t){const e=t.buffer,A=e[0]+e[4]+e[8];let Q,F,U,n;if(A>0){const i=.5/Math.sqrt(A+1);n=.25/i,Q=(e[7]-e[5])*i,F=(e[2]-e[6])*i,U=(e[3]-e[1])*i}else if(e[0]>e[4]&&e[0]>e[8]){const i=2*Math.sqrt(1+e[0]-e[4]-e[8]);n=(e[7]-e[5])/i,Q=.25*i,F=(e[1]+e[3])/i,U=(e[2]+e[6])/i}else if(e[4]>e[8]){const i=2*Math.sqrt(1+e[4]-e[0]-e[8]);n=(e[2]-e[6])/i,Q=(e[1]+e[3])/i,F=.25*i,U=(e[5]+e[7])/i}else{const i=2*Math.sqrt(1+e[8]-e[0]-e[4]);n=(e[3]-e[1])/i,Q=(e[2]+e[6])/i,F=(e[5]+e[7])/i,U=.25*i}return new y(Q,F,U,n)}static FromAxisAngle(t,e){const A=e/2,Q=Math.sin(A),F=Math.cos(A);return new y(t.x*Q,t.y*Q,t.z*Q,F)}static LookRotation(t){const e=new h(0,0,1),A=e.dot(t);if(Math.abs(A- -1)<1e-6)return new y(0,1,0,Math.PI);if(Math.abs(A-1)<1e-6)return new y;const Q=Math.acos(A),F=e.cross(t).normalize();return y.FromAxisAngle(F,Q)}toString(){return`[${this.flat().join(", ")}]`}}class Ft{constructor(){const t=new Map;this.addEventListener=(e,A)=>{t.has(e)||t.set(e,new Set),t.get(e).add(A)},this.removeEventListener=(e,A)=>{t.has(e)&&t.get(e).delete(A)},this.hasEventListener=(e,A)=>t.has(e)?t.get(e).has(A):!1,this.dispatchEvent=e=>{if(t.has(e.type))for(const A of t.get(e.type))A(e)}}}class _{constructor(t=1,e=0,A=0,Q=0,F=0,U=1,n=0,i=0,s=0,I=0,d=1,B=0,r=0,a=0,l=0,o=1){this.buffer=[t,e,A,Q,F,U,n,i,s,I,d,B,r,a,l,o]}equals(t){if(this.buffer.length!==t.buffer.length)return!1;if(this.buffer===t.buffer)return!0;for(let e=0;e<this.buffer.length;e++)if(this.buffer[e]!==t.buffer[e])return!1;return!0}multiply(t){const e=this.buffer,A=t.buffer;return new _(A[0]*e[0]+A[1]*e[4]+A[2]*e[8]+A[3]*e[12],A[0]*e[1]+A[1]*e[5]+A[2]*e[9]+A[3]*e[13],A[0]*e[2]+A[1]*e[6]+A[2]*e[10]+A[3]*e[14],A[0]*e[3]+A[1]*e[7]+A[2]*e[11]+A[3]*e[15],A[4]*e[0]+A[5]*e[4]+A[6]*e[8]+A[7]*e[12],A[4]*e[1]+A[5]*e[5]+A[6]*e[9]+A[7]*e[13],A[4]*e[2]+A[5]*e[6]+A[6]*e[10]+A[7]*e[14],A[4]*e[3]+A[5]*e[7]+A[6]*e[11]+A[7]*e[15],A[8]*e[0]+A[9]*e[4]+A[10]*e[8]+A[11]*e[12],A[8]*e[1]+A[9]*e[5]+A[10]*e[9]+A[11]*e[13],A[8]*e[2]+A[9]*e[6]+A[10]*e[10]+A[11]*e[14],A[8]*e[3]+A[9]*e[7]+A[10]*e[11]+A[11]*e[15],A[12]*e[0]+A[13]*e[4]+A[14]*e[8]+A[15]*e[12],A[12]*e[1]+A[13]*e[5]+A[14]*e[9]+A[15]*e[13],A[12]*e[2]+A[13]*e[6]+A[14]*e[10]+A[15]*e[14],A[12]*e[3]+A[13]*e[7]+A[14]*e[11]+A[15]*e[15])}clone(){const t=this.buffer;return new _(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])}determinant(){const t=this.buffer;return t[12]*t[9]*t[6]*t[3]-t[8]*t[13]*t[6]*t[3]-t[12]*t[5]*t[10]*t[3]+t[4]*t[13]*t[10]*t[3]+t[8]*t[5]*t[14]*t[3]-t[4]*t[9]*t[14]*t[3]-t[12]*t[9]*t[2]*t[7]+t[8]*t[13]*t[2]*t[7]+t[12]*t[1]*t[10]*t[7]-t[0]*t[13]*t[10]*t[7]-t[8]*t[1]*t[14]*t[7]+t[0]*t[9]*t[14]*t[7]+t[12]*t[5]*t[2]*t[11]-t[4]*t[13]*t[2]*t[11]-t[12]*t[1]*t[6]*t[11]+t[0]*t[13]*t[6]*t[11]+t[4]*t[1]*t[14]*t[11]-t[0]*t[5]*t[14]*t[11]-t[8]*t[5]*t[2]*t[15]+t[4]*t[9]*t[2]*t[15]+t[8]*t[1]*t[6]*t[15]-t[0]*t[9]*t[6]*t[15]-t[4]*t[1]*t[10]*t[15]+t[0]*t[5]*t[10]*t[15]}invert(){const t=this.buffer,e=this.determinant();if(e===0)throw new Error("Matrix is not invertible.");const A=1/e;return new _(A*(t[5]*t[10]*t[15]-t[5]*t[11]*t[14]-t[9]*t[6]*t[15]+t[9]*t[7]*t[14]+t[13]*t[6]*t[11]-t[13]*t[7]*t[10]),A*(-t[1]*t[10]*t[15]+t[1]*t[11]*t[14]+t[9]*t[2]*t[15]-t[9]*t[3]*t[14]-t[13]*t[2]*t[11]+t[13]*t[3]*t[10]),A*(t[1]*t[6]*t[15]-t[1]*t[7]*t[14]-t[5]*t[2]*t[15]+t[5]*t[3]*t[14]+t[13]*t[2]*t[7]-t[13]*t[3]*t[6]),A*(-t[1]*t[6]*t[11]+t[1]*t[7]*t[10]+t[5]*t[2]*t[11]-t[5]*t[3]*t[10]-t[9]*t[2]*t[7]+t[9]*t[3]*t[6]),A*(-t[4]*t[10]*t[15]+t[4]*t[11]*t[14]+t[8]*t[6]*t[15]-t[8]*t[7]*t[14]-t[12]*t[6]*t[11]+t[12]*t[7]*t[10]),A*(t[0]*t[10]*t[15]-t[0]*t[11]*t[14]-t[8]*t[2]*t[15]+t[8]*t[3]*t[14]+t[12]*t[2]*t[11]-t[12]*t[3]*t[10]),A*(-t[0]*t[6]*t[15]+t[0]*t[7]*t[14]+t[4]*t[2]*t[15]-t[4]*t[3]*t[14]-t[12]*t[2]*t[7]+t[12]*t[3]*t[6]),A*(t[0]*t[6]*t[11]-t[0]*t[7]*t[10]-t[4]*t[2]*t[11]+t[4]*t[3]*t[10]+t[8]*t[2]*t[7]-t[8]*t[3]*t[6]),A*(t[4]*t[9]*t[15]-t[4]*t[11]*t[13]-t[8]*t[5]*t[15]+t[8]*t[7]*t[13]+t[12]*t[5]*t[11]-t[12]*t[7]*t[9]),A*(-t[0]*t[9]*t[15]+t[0]*t[11]*t[13]+t[8]*t[1]*t[15]-t[8]*t[3]*t[13]-t[12]*t[1]*t[11]+t[12]*t[3]*t[9]),A*(t[0]*t[5]*t[15]-t[0]*t[7]*t[13]-t[4]*t[1]*t[15]+t[4]*t[3]*t[13]+t[12]*t[1]*t[7]-t[12]*t[3]*t[5]),A*(-t[0]*t[5]*t[11]+t[0]*t[7]*t[9]+t[4]*t[1]*t[11]-t[4]*t[3]*t[9]-t[8]*t[1]*t[7]+t[8]*t[3]*t[5]),A*(-t[4]*t[9]*t[14]+t[4]*t[10]*t[13]+t[8]*t[5]*t[14]-t[8]*t[6]*t[13]-t[12]*t[5]*t[10]+t[12]*t[6]*t[9]),A*(t[0]*t[9]*t[14]-t[0]*t[10]*t[13]-t[8]*t[1]*t[14]+t[8]*t[2]*t[13]+t[12]*t[1]*t[10]-t[12]*t[2]*t[9]),A*(-t[0]*t[5]*t[14]+t[0]*t[6]*t[13]+t[4]*t[1]*t[14]-t[4]*t[2]*t[13]-t[12]*t[1]*t[6]+t[12]*t[2]*t[5]),A*(t[0]*t[5]*t[10]-t[0]*t[6]*t[9]-t[4]*t[1]*t[10]+t[4]*t[2]*t[9]+t[8]*t[1]*t[6]-t[8]*t[2]*t[5]))}static Compose(t,e,A){const Q=e.x,F=e.y,U=e.z,n=e.w,i=Q+Q,s=F+F,I=U+U,d=Q*i,B=Q*s,r=Q*I,a=F*s,l=F*I,o=U*I,R=n*i,E=n*s,S=n*I,N=A.x,W=A.y,w=A.z;return new _((1-(a+o))*N,(B+S)*N,(r-E)*N,0,(B-S)*W,(1-(d+o))*W,(l+R)*W,0,(r+E)*w,(l-R)*w,(1-(d+a))*w,0,t.x,t.y,t.z,1)}toString(){return`[${this.buffer.join(", ")}]`}}class lt extends Event{constructor(t){super("objectAdded"),this.object=t}}class dt extends Event{constructor(t){super("objectRemoved"),this.object=t}}class ht extends Event{constructor(t){super("objectChanged"),this.object=t}}class st extends Ft{constructor(){super(),this.positionChanged=!1,this.rotationChanged=!1,this.scaleChanged=!1,this._position=new h,this._rotation=new y,this._scale=new h(1,1,1),this._transform=new _,this._changeEvent=new ht(this),this.update=()=>{},this.applyPosition=()=>{this.position=new h},this.applyRotation=()=>{this.rotation=new y},this.applyScale=()=>{this.scale=new h(1,1,1)},this.raiseChangeEvent=()=>{this.dispatchEvent(this._changeEvent)}}_updateMatrix(){this._transform=_.Compose(this._position,this._rotation,this._scale)}get position(){return this._position}set position(t){this._position.equals(t)||(this._position=t,this.positionChanged=!0,this._updateMatrix(),this.dispatchEvent(this._changeEvent))}get rotation(){return this._rotation}set rotation(t){this._rotation.equals(t)||(this._rotation=t,this.rotationChanged=!0,this._updateMatrix(),this.dispatchEvent(this._changeEvent))}get scale(){return this._scale}set scale(t){this._scale.equals(t)||(this._scale=t,this.scaleChanged=!0,this._updateMatrix(),this.dispatchEvent(this._changeEvent))}get forward(){let t=new h(0,0,1);return t=this.rotation.apply(t),t}get transform(){return this._transform}}class j{constructor(t=1,e=0,A=0,Q=0,F=1,U=0,n=0,i=0,s=1){this.buffer=[t,e,A,Q,F,U,n,i,s]}equals(t){if(this.buffer.length!==t.buffer.length)return!1;if(this.buffer===t.buffer)return!0;for(let e=0;e<this.buffer.length;e++)if(this.buffer[e]!==t.buffer[e])return!1;return!0}multiply(t){const e=this.buffer,A=t.buffer;return new j(A[0]*e[0]+A[3]*e[1]+A[6]*e[2],A[1]*e[0]+A[4]*e[1]+A[7]*e[2],A[2]*e[0]+A[5]*e[1]+A[8]*e[2],A[0]*e[3]+A[3]*e[4]+A[6]*e[5],A[1]*e[3]+A[4]*e[4]+A[7]*e[5],A[2]*e[3]+A[5]*e[4]+A[8]*e[5],A[0]*e[6]+A[3]*e[7]+A[6]*e[8],A[1]*e[6]+A[4]*e[7]+A[7]*e[8],A[2]*e[6]+A[5]*e[7]+A[8]*e[8])}clone(){const t=this.buffer;return new j(t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8])}static Eye(t=1){return new j(t,0,0,0,t,0,0,0,t)}static Diagonal(t){return new j(t.x,0,0,0,t.y,0,0,0,t.z)}static RotationFromQuaternion(t){return new j(1-2*t.y*t.y-2*t.z*t.z,2*t.x*t.y-2*t.z*t.w,2*t.x*t.z+2*t.y*t.w,2*t.x*t.y+2*t.z*t.w,1-2*t.x*t.x-2*t.z*t.z,2*t.y*t.z-2*t.x*t.w,2*t.x*t.z-2*t.y*t.w,2*t.y*t.z+2*t.x*t.w,1-2*t.x*t.x-2*t.y*t.y)}static RotationFromEuler(t){const e=Math.cos(t.x),A=Math.sin(t.x),Q=Math.cos(t.y),F=Math.sin(t.y),U=Math.cos(t.z),n=Math.sin(t.z),i=[Q*U+F*A*n,-Q*n+F*A*U,F*e,e*n,e*U,-A,-F*U+Q*A*n,F*n+Q*A*U,Q*e];return new j(...i)}toString(){return`[${this.buffer.join(", ")}]`}}class K{constructor(t=0,e=null,A=null,Q=null,F=null){this.changed=!1,this.detached=!1,this._vertexCount=t,this._positions=e||new Float32Array(0),this._rotations=A||new Float32Array(0),this._scales=Q||new Float32Array(0),this._colors=F||new Uint8Array(0),this._selection=new Uint8Array(this.vertexCount),this.translate=U=>{for(let n=0;n<this.vertexCount;n++)this.positions[3*n+0]+=U.x,this.positions[3*n+1]+=U.y,this.positions[3*n+2]+=U.z;this.changed=!0},this.rotate=U=>{const n=j.RotationFromQuaternion(U).buffer;for(let i=0;i<this.vertexCount;i++){const s=this.positions[3*i+0],I=this.positions[3*i+1],d=this.positions[3*i+2];this.positions[3*i+0]=n[0]*s+n[1]*I+n[2]*d,this.positions[3*i+1]=n[3]*s+n[4]*I+n[5]*d,this.positions[3*i+2]=n[6]*s+n[7]*I+n[8]*d;const B=new y(this.rotations[4*i+1],this.rotations[4*i+2],this.rotations[4*i+3],this.rotations[4*i+0]),r=U.multiply(B);this.rotations[4*i+1]=r.x,this.rotations[4*i+2]=r.y,this.rotations[4*i+3]=r.z,this.rotations[4*i+0]=r.w}this.changed=!0},this.scale=U=>{for(let n=0;n<this.vertexCount;n++)this.positions[3*n+0]*=U.x,this.positions[3*n+1]*=U.y,this.positions[3*n+2]*=U.z,this.scales[3*n+0]*=U.x,this.scales[3*n+1]*=U.y,this.scales[3*n+2]*=U.z;this.changed=!0},this.serialize=()=>{const U=new Uint8Array(this.vertexCount*K.RowLength),n=new Float32Array(U.buffer),i=new Uint8Array(U.buffer);for(let s=0;s<this.vertexCount;s++)n[8*s+0]=this.positions[3*s+0],n[8*s+1]=this.positions[3*s+1],n[8*s+2]=this.positions[3*s+2],i[32*s+24+0]=this.colors[4*s+0],i[32*s+24+1]=this.colors[4*s+1],i[32*s+24+2]=this.colors[4*s+2],i[32*s+24+3]=this.colors[4*s+3],n[8*s+3+0]=this.scales[3*s+0],n[8*s+3+1]=this.scales[3*s+1],n[8*s+3+2]=this.scales[3*s+2],i[32*s+28+0]=this.rotations[4*s+0]*128+128&255,i[32*s+28+1]=this.rotations[4*s+1]*128+128&255,i[32*s+28+2]=this.rotations[4*s+2]*128+128&255,i[32*s+28+3]=this.rotations[4*s+3]*128+128&255;return U},this.reattach=(U,n,i,s,I)=>{console.assert(U.byteLength===this.vertexCount*3*4,`Expected ${this.vertexCount*3*4} bytes, got ${U.byteLength} bytes`),this._positions=new Float32Array(U),this._rotations=new Float32Array(n),this._scales=new Float32Array(i),this._colors=new Uint8Array(s),this._selection=new Uint8Array(I),this.detached=!1}}static{this.RowLength=3*4+3*4+4+4}static Deserialize(t){const e=t.length/K.RowLength,A=new Float32Array(3*e),Q=new Float32Array(4*e),F=new Float32Array(3*e),U=new Uint8Array(4*e),n=new Float32Array(t.buffer),i=new Uint8Array(t.buffer);for(let s=0;s<e;s++)A[3*s+0]=n[8*s+0],A[3*s+1]=n[8*s+1],A[3*s+2]=n[8*s+2],Q[4*s+0]=(i[32*s+28+0]-128)/128,Q[4*s+1]=(i[32*s+28+1]-128)/128,Q[4*s+2]=(i[32*s+28+2]-128)/128,Q[4*s+3]=(i[32*s+28+3]-128)/128,F[3*s+0]=n[8*s+3+0],F[3*s+1]=n[8*s+3+1],F[3*s+2]=n[8*s+3+2],U[4*s+0]=i[32*s+24+0],U[4*s+1]=i[32*s+24+1],U[4*s+2]=i[32*s+24+2],U[4*s+3]=i[32*s+24+3];return new K(e,A,Q,F,U)}get vertexCount(){return this._vertexCount}get positions(){return this._positions}get rotations(){return this._rotations}get scales(){return this._scales}get colors(){return this._colors}get selection(){return this._selection}clone(){return new K(this.vertexCount,new Float32Array(this.positions),new Float32Array(this.rotations),new Float32Array(this.scales),new Uint8Array(this.colors))}}class tt{static{this.SH_C0=.28209479177387814}static SplatToPLY(t,e){let A=`ply 2format binary_little_endian 1.0 3`;A+=`element vertex ${e} 4`;const Q=["x","y","z","nx","ny","nz","f_dc_0","f_dc_1","f_dc_2"];for(let o=0;o<45;o++)Q.push(`f_rest_${o}`);Q.push("opacity"),Q.push("scale_0"),Q.push("scale_1"),Q.push("scale_2"),Q.push("rot_0"),Q.push("rot_1"),Q.push("rot_2"),Q.push("rot_3");for(const o of Q)A+=`property float ${o} 5`;A+=`end_header 6`;const F=new TextEncoder().encode(A),U=4*3+4*3+4*3+4*45+4+4*3+4*4,n=e*U,i=new DataView(new ArrayBuffer(F.length+n));new Uint8Array(i.buffer).set(F,0);const s=new Float32Array(t),I=new Uint8Array(t),d=F.length,B=4*3+4*3,r=B+4*3+4*45,a=r+4,l=a+4*3;for(let o=0;o<e;o++){const R=s[8*o+0],E=s[8*o+1],S=s[8*o+2],N=(I[32*o+24+0]/255-.5)/this.SH_C0,W=(I[32*o+24+1]/255-.5)/this.SH_C0,w=(I[32*o+24+2]/255-.5)/this.SH_C0,D=I[32*o+24+3]/255,f=Math.log(D/(1-D)),Z=Math.log(s[8*o+3+0]),H=Math.log(s[8*o+3+1]),M=Math.log(s[8*o+3+2]);let G=new y((I[32*o+28+1]-128)/128,(I[32*o+28+2]-128)/128,(I[32*o+28+3]-128)/128,(I[32*o+28+0]-128)/128);G=G.normalize();const 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fx(t){this._fx!==t&&(this._fx=t,this._updateProjectionMatrix())}get fy(){return this._fy}set fy(t){this._fy!==t&&(this._fy=t,this._updateProjectionMatrix())}get near(){return this._near}set near(t){this._near!==t&&(this._near=t,this._updateProjectionMatrix())}get far(){return this._far}set far(t){this._far!==t&&(this._far=t,this._updateProjectionMatrix())}get width(){return this._width}get height(){return this._height}get projectionMatrix(){return this._projectionMatrix}get viewMatrix(){return this._viewMatrix}get viewProj(){return this._viewProj}}class v{constructor(t=0,e=0,A=0,Q=0){this.x=t,this.y=e,this.z=A,this.w=Q}equals(t){return!(this.x!==t.x||this.y!==t.y||this.z!==t.z||this.w!==t.w)}add(t){return typeof t=="number"?new v(this.x+t,this.y+t,this.z+t,this.w+t):new v(this.x+t.x,this.y+t.y,this.z+t.z,this.w+t.w)}subtract(t){return typeof t=="number"?new v(this.x-t,this.y-t,this.z-t,this.w-t):new v(this.x-t.x,this.y-t.y,this.z-t.z,this.w-t.w)}multiply(t){return typeof 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BA("AGFzbQEAAAABGQRgAX8Bf2ABfwBgCX9/f39/f39/fwBgAAACBwEBYQFhAAADBgUAAQACAwUHAQGCAoCAAgYIAX8BQYCMBAsHFQUBYgIAAWMABQFkAAQBZQADAWYAAgwBAQrNOAVPAQJ/QYAIKAIAIgEgAEEHakF4cSICaiEAAkAgAkEAIAAgAU0bRQRAIAA/AEEQdE0NASAAEAANAQtBhAhBMDYCAEF/DwtBgAggADYCACABC9wLAQh/AkAgAEUNACAAQQhrIgMgAEEEaygCACICQXhxIgBqIQUCQCACQQFxDQAgAkECcUUNASADIAMoAgAiBGsiA0GYCCgCAEkNASAAIARqIQACQAJAAkBBnAgoAgAgA0cEQCADKAIMIQEgBEH/AU0EQCABIAMoAggiAkcNAkGICEGICCgCAEF+IARBA3Z3cTYCAAwFCyADKAIYIQcgASADRwRAIAMoAggiAiABNgIMIAEgAjYCCAwECyADKAIUIgIEfyADQRRqBSADKAIQIgJFDQMgA0EQagshBANAIAQhBiACIgFBFGohBCABKAIUIgINACABQRBqIQQgASgCECICDQALIAZBADYCAAwDCyAFKAIEIgJBA3FBA0cNA0GQCCAANgIAIAUgAkF+cTYCBCADIABBAXI2AgQgBSAANgIADwsgAiABNgIMIAEgAjYCCAwCC0EAIQELIAdFDQACQCADKAIcIgRBAnRBuApqIgIoAgAgA0YEQCACIAE2AgAgAQ0BQYwIQYwIKAIAQX4gBHdxNgIADAILAkAgAyAHKAIQRgRAIAcgATYCEAwBCyAHIAE2AhQLIAFFDQELIAEgBzYCGCADKAIQIgIEQCABIAI2AhAgAiABNgIYCyADKAIUIgJFDQAgASACNgIUIAIgATYCGAsgAyAFTw0AIAUoAgQiBEEBcUUNAAJAAkACQAJAIARBAnFFBEBBoAgoAgAgBUYEQEGgCCADNgIAQZQIQZQIKAIAIABqIgA2AgAgAyAAQQFyNgIEIANBnAgoAgBHDQZBkAhBADYCAEGcCEEANgIADwtBnAgoAgAiByAFRgRAQZwIIAM2AgBBkAhBkAgoAgAgAGoiADYCACADIABBAXI2AgQgACADaiAANgIADwsgBEF4cSAAaiEAIAUoAgwhASAEQf8BTQRAIAUoAggiAiABRgRAQYgIQYgIKAIAQX4gBEEDdndxNgIADAULIAIgATYCDCABIAI2AggMBAsgBSgCGCEIIAEgBUcEQCAFKAIIIgIgATYCDCABIAI2AggMAwsgBSgCFCICBH8gBUEUagUgBSgCECICRQ0CIAVBEGoLIQQDQCAEIQYgAiIBQRRqIQQgASgCFCICDQAgAUEQaiEEIAEoAhAiAg0ACyAGQQA2AgAMAgsgBSAEQX5xNgIEIAMgAEEBcjYCBCAAIANqIAA2AgAMAwtBACEBCyAIRQ0AAkAgBSgCHCIEQQJ0QbgKaiICKAIAIAVGBEAgAiABNgIAIAENAUGMCEGMCCgCAEF+IAR3cTYCAAwCCwJAIAUgCCgCEEYEQCAIIAE2AhAMAQsgCCABNgIUCyABRQ0BCyABIAg2AhggBSgCECICBEAgASACNgIQIAIgATYCGAsgBSgCFCICRQ0AIAEgAjYCFCACIAE2AhgLIAMgAEEBcjYCBCAAIANqIAA2AgAgAyAHRw0AQZAIIAA2AgAPCyAAQf8BTQRAIABBeHFBsAhqIQICf0GICCgCACIEQQEgAEEDdnQiAHFFBEBBiAggACAEcjYCACACDAELIAIoAggLIQAgAiADNgIIIAAgAzYCDCADIAI2AgwgAyAANgIIDwtBHyEBIABB////B00EQCAAQSYgAEEIdmciAmt2QQFxIAJBAXRrQT5qIQELIAMgATYCHCADQgA3AhAgAUECdEG4CmohBAJ/AkACf0GMCCgCACIGQQEgAXQiAnFFBEBBjAggAiAGcjYCACAEIAM2AgBBGCEBQQgMAQsgAEEZIAFBAXZrQQAgAUEfRxt0IQEgBCgCACEEA0AgBCICKAIEQXhxIABGDQIgAUEddiEEIAFBAXQhASACIARBBHFqIgYoAhAiBA0ACyAGIAM2AhBBGCEBIAIhBEEICyEAIAMiAgwBCyACKAIIIgQgAzYCDCACIAM2AghBGCEAQQghAUEACyEGIAEgA2ogBDYCACADIAI2AgwgACADaiAGNgIAQagIQagIKAIAQQFrIgBBfyAAGzYCAAsL0ScBC38jAEEQayIKJAACQAJAAkACQAJAAkACQAJAAkACQCAAQfQBTQRAQYgIKAIAIgRBECAAQQtqQfgDcSAAQQtJGyIGQQN2IgB2IgFBA3EEQAJAIAFBf3NBAXEgAGoiAkEDdCIBQbAIaiIAIAFBuAhqKAIAIgEoAggiBUYEQEGICCAEQX4gAndxNgIADAELIAUgADYCDCAAIAU2AggLIAFBCGohACABIAJBA3QiAkEDcjYCBCABIAJqIgEgASgCBEEBcjYCBAwLCyAGQZAIKAIAIghNDQEgAQRAAkBBAiAAdCICQQAgAmtyIAEgAHRxaCIBQQN0IgBBsAhqIgIgAEG4CGooAgAiACgCCCIFRgRAQYgIIARBfiABd3EiBDYCAAwBCyAFIAI2AgwgAiAFNgIICyAAIAZBA3I2AgQgACAGaiIHIAFBA3QiASAGayIFQQFyNgIEIAAgAWogBTYCACAIBEAgCEF4cUGwCGohAUGcCCgCACECAn8gBEEBIAhBA3Z0IgNxRQRAQYgIIAMgBHI2AgAgAQwBCyABKAIICyEDIAEgAjYCCCADIAI2AgwgAiABNgIMIAIgAzYCCAsgAEEIaiEAQZwIIAc2AgBBkAggBTYCAAwLC0GMCCgCACILRQ0BIAtoQQJ0QbgKaigCACICKAIEQXhxIAZrIQMgAiEBA0ACQCABKAIQIgBFBEAgASgCFCIARQ0BCyAAKAIEQXhxIAZrIgEgAyABIANJIgEbIQMgACACIAEbIQIgACEBDAELCyACKAIYIQkgAiACKAIMIgBHBEAgAigCCCIBIAA2AgwgACABNgIIDAoLIAIoAhQiAQR/IAJBFGoFIAIoAhAiAUUNAyACQRBqCyEFA0AgBSEHIAEiAEEUaiEFIAAoAhQiAQ0AIABBEGohBSAAKAIQIgENAAsgB0EANgIADAkLQX8hBiAAQb9/Sw0AIABBC2oiAUF4cSEGQYwIKAIAIgdFDQBBHyEIQQAgBmshAyAAQfT//wdNBEAgBkEmIAFBCHZnIgBrdkEBcSAAQQF0a0E+aiEICwJAAkACQCAIQQJ0QbgKaigCACIBRQRAQQAhAAwBC0EAIQAgBkEZIAhBAXZrQQAgCEEfRxt0IQIDQAJAIAEoAgRBeHEgBmsiBCADTw0AIAEhBSAEIgMNAEEAIQMgASEADAMLIAAgASgCFCIEIAQgASACQR12QQRxaigCECIBRhsgACAEGyEAIAJBAXQhAiABDQALCyAAIAVyRQRAQQAhBUECIAh0IgBBACAAa3IgB3EiAEUNAyAAaEECdEG4CmooAgAhAAsgAEUNAQsDQCAAKAIEQXhxIAZrIgIgA0khASACIAMgARshAyAAIAUgARshBSAAKAIQIgEEfyABBSAAKAIUCyIADQALCyAFRQ0AIANBkAgoAgAgBmtPDQAgBSgCGCEIIAUgBSgCDCIARwRAIAUoAggiASAANgIMIAAgATYCCAwICyAFKAIUIgEEfyAFQRRqBSAFKAIQIgFFDQMgBUEQagshAgNAIAIhBCABIgBBFGohAiAAKAIUIgENACAAQRBqIQIgACgCECIBDQALIARBADYCAAwHCyAGQZAIKAIAIgVNBEBBnAgoAgAhAAJAIAUgBmsiAUEQTwRAIAAgBmoiAiABQQFyNgIEIAAgBWogATYCACAAIAZBA3I2AgQMAQsgACAFQQNyNgIEIAAgBWoiASABKAIEQQFyNgIEQQAhAkEAIQELQZAIIAE2AgBBnAggAjYCACAAQQhqIQAMCQsgBkGUCCgCACICSQRAQZQIIAIgBmsiATYCAEGgCEGgCCgCACIAIAZqIgI2AgAgAiABQQFyNgIEIAAgBkEDcjYCBCAAQQhqIQAMCQtBACEAIAZBL2oiAwJ/QeALKAIABEBB6AsoAgAMAQtB7AtCfzcCAEHkC0KAoICAgIAENwIAQeALIApBDGpBcHFB2KrVqgVzNgIAQfQLQQA2AgBBxAtBADYCAEGAIAsiAWoiBEEAIAFrIgdxIgEgBk0NCEHACygCACIFBEBBuAsoAgAiCCABaiIJIAhNIAUgCUlyDQkLAkBBxAstAABBBHFFBEACQAJAAkACQEGgCCgCACIFBEBByAshAANAIAAoAgAiCCAFTQRAIAUgCCAAKAIEakkNAwsgACgCCCIADQALC0EAEAEiAkF/Rg0DIAEhBEHkCygCACIAQQFrIgUgAnEEQCABIAJrIAIgBWpBACAAa3FqIQQLIAQgBk0NA0HACygCACIABEBBuAsoAgAiBSAEaiIHIAVNIAAgB0lyDQQLIAQQASIAIAJHDQEMBQsgBCACayAHcSIEEAEiAiAAKAIAIAAoAgRqRg0BIAIhAAsgAEF/Rg0BIAZBMGogBE0EQCAAIQIMBAtB6AsoAgAiAiADIARrakEAIAJrcSICEAFBf0YNASACIARqIQQgACECDAMLIAJBf0cNAgtBxAtBxAsoAgBBBHI2AgALIAEQASICQX9GQQAQASIAQX9GciAAIAJNcg0FIAAgAmsiBCAGQShqTQ0FC0G4C0G4CygCACAEaiIANgIAQbwLKAIAIABJBEBBvAsgADYCAAsCQEGgCCgCACIDBEBByAshAANAIAIgACgCACIBIAAoAgQiBWpGDQIgACgCCCIADQALDAQLQZgIKAIAIgBBACAAIAJNG0UEQEGYCCACNgIAC0EAIQBBzAsgBDYCAEHICyACNgIAQagIQX82AgBBrAhB4AsoAgA2AgBB1AtBADYCAANAIABBA3QiAUG4CGogAUGwCGoiBTYCACABQbwIaiAFNgIAIABBAWoiAEEgRw0AC0GUCCAEQShrIgBBeCACa0EHcSIBayIFNgIAQaAIIAEgAmoiATYCACABIAVBAXI2AgQgACACakEoNgIEQaQIQfALKAIANgIADAQLIAIgA00gASADS3INAiAAKAIMQQhxDQIgACAEIAVqNgIEQaAIIANBeCADa0EHcSIAaiIBNgIAQZQIQZQIKAIAIARqIgIgAGsiADYCACABIABBAXI2AgQgAiADakEoNgIEQaQIQfALKAIANgIADAMLQQAhAAwGC0EAIQAMBAtBmAgoAgAgAksEQEGYCCACNgIACyACIARqIQVByAshAAJAA0AgBSAAKAIAIgFHBEAgACgCCCIADQEMAgsLIAAtAAxBCHFFDQMLQcgLIQADQAJAIAAoAgAiASADTQRAIAMgASAAKAIEaiIFSQ0BCyAAKAIIIQAMAQsLQZQIIARBKGsiAEF4IAJrQQdxIgFrIgc2AgBBoAggASACaiIBNgIAIAEgB0EBcjYCBCAAIAJqQSg2AgRBpAhB8AsoAgA2AgAgAyAFQScgBWtBB3FqQS9rIgAgACADQRBqSRsiAUEbNgIEIAFB0AspAgA3AhAgAUHICykCADcCCEHQCyABQQhqNgIAQcwLIAQ2AgBByAsgAjYCAEHUC0EANgIAIAFBGGohAANAIABBBzYCBCAAQQhqIABBBGohACAFSQ0ACyABIANGDQAgASABKAIEQX5xNgIEIAMgASADayICQQFyNgIEIAEgAjYCAAJ/IAJB/wFNBEAgAkF4cUGwCGohAAJ/QYgIKAIAIgFBASACQQN2dCICcUUEQEGICCABIAJyNgIAIAAMAQsgACgCCAshASAAIAM2AgggASADNgIMQQwhAkEIDAELQR8hACACQf///wdNBEAgAkEmIAJBCHZnIgBrdkEBcSAAQQF0a0E+aiEACyADIAA2AhwgA0IANwIQIABBAnRBuApqIQECQAJAQYwIKAIAIgVBASAAdCIEcUUEQEGMCCAEIAVyNgIAIAEgAzYCAAwBCyACQRkgAEEBdmtBACAAQR9HG3QhACABKAIAIQUDQCAFIgEoAgRBeHEgAkYNAiAAQR12IQUgAEEBdCEAIAEgBUEEcWoiBCgCECIFDQALIAQgAzYCEAsgAyABNgIYQQghAiADIgEhAEEMDAELIAEoAggiACADNgIMIAEgAzYCCCADIAA2AghBACEAQRghAkEMCyADaiABNgIAIAIgA2ogADYCAAtBlAgoAgAiACAGTQ0AQZQIIAAgBmsiATYCAEGgCEGgCCgCACIAIAZqIgI2AgAgAiABQQFyNgIEIAAgBkEDcjYCBCAAQQhqIQAMBAtBhAhBMDYCAEEAIQAMAwsgACACNgIAIAAgACgCBCAEajYCBCACQXggAmtBB3FqIgggBkEDcjYCBCABQXggAWtBB3FqIgQgBiAIaiIDayEHAkBBoAgoAgAgBEYEQEGgCCADNgIAQZQIQZQIKAIAIAdqIgA2AgAgAyAAQQFyNgIEDAELQZwIKAIAIARGBEBBnAggAzYCAEGQCEGQCCgCACAHaiIANgIAIAMgAEEBcjYCBCAAIANqIAA2AgAMAQsgBCgCBCIAQQNxQQFGBEAgAEF4cSEJIAQoAgwhAgJAIABB/wFNBEAgBCgCCCIBIAJGBEBBiAhBiAgoAgBBfiAAQQN2d3E2AgAMAgsgASACNgIMIAIgATYCCAwBCyAEKAIYIQYCQCACIARHBEAgBCgCCCIAIAI2AgwgAiAANgIIDAELAkAgBCgCFCIABH8gBEEUagUgBCgCECIARQ0BIARBEGoLIQEDQCABIQUgACICQRRqIQEgACgCFCIADQAgAkEQaiEBIAIoAhAiAA0ACyAFQQA2AgAMAQtBACECCyAGRQ0AAkAgBCgCHCIAQQJ0QbgKaiIBKAIAIARGBEAgASACNgIAIAINAUGMCEGMCCgCAEF+IAB3cTYCAAwCCwJAIAQgBigCEEYEQCAGIAI2AhAMAQsgBiACNgIUCyACRQ0BCyACIAY2AhggBCgCECIABEAgAiAANgIQIAAgAjYCGAsgBCgCFCIARQ0AIAIgADYCFCAAIAI2AhgLIAcgCWohByAEIAlqIgQoAgQhAAsgBCAAQX5xNgIEIAMgB0EBcjYCBCADIAdqIAc2AgAgB0H/AU0EQCAHQXhxQbAIaiEAAn9BiAgoAgAiAUEBIAdBA3Z0IgJxRQRAQYgIIAEgAnI2AgAgAAwBCyAAKAIICyEBIAAgAzYCCCABIAM2AgwgAyAANgIMIAMgATYCCAwBC0EfIQIgB0H///8HTQRAIAdBJiAHQQh2ZyIAa3ZBAXEgAEEBdGtBPmohAgsgAyACNgIcIANCADcCECACQQJ0QbgKaiEAAkACQEGMCCgCACIBQQEgAnQiBXFFBEBBjAggASAFcjYCACAAIAM2AgAMAQsgB0EZIAJBAXZrQQAgAkEfRxt0IQIgACgCACEBA0AgASIAKAIEQXhxIAdGDQIgAkEddiEBIAJBAXQhAiAAIAFBBHFqIgUoAhAiAQ0ACyAFIAM2AhALIAMgADYCGCADIAM2AgwgAyADNgIIDAELIAAoAggiASADNgIMIAAgAzYCCCADQQA2AhggAyAANgIMIAMgATYCCAsgCEEIaiEADAILAkAgCEUNAAJAIAUoAhwiAUECdEG4CmoiAigCACAFRgRAIAIgADYCACAADQFBjAggB0F+IAF3cSIHNgIADAILAkAgBSAIKAIQRgRAIAggADYCEAwBCyAIIAA2AhQLIABFDQELIAAgCDYCGCAFKAIQIgEEQCAAIAE2AhAgASAANgIYCyAFKAIUIgFFDQAgACABNgIUIAEgADYCGAsCQCADQQ9NBEAgBSADIAZqIgBBA3I2AgQgACAFaiIAIAAoAgRBAXI2AgQMAQsgBSAGQQNyNgIEIAUgBmoiBCADQQFyNgIEIAMgBGogAzYCACADQf8BTQRAIANBeHFBsAhqIQACf0GICCgCACIBQQEgA0EDdnQiAnFFBEBBiAggASACcjYCACAADAELIAAoAggLIQEgACAENgIIIAEgBDYCDCAEIAA2AgwgBCABNgIIDAELQR8hACADQf///wdNBEAgA0EmIANBCHZnIgBrdkEBcSAAQQF0a0E+aiEACyAEIAA2AhwgBEIANwIQIABBAnRBuApqIQECQAJAIAdBASAAdCICcUUEQEGMCCACIAdyNgIAIAEgBDYCACAEIAE2AhgMAQsgA0EZIABBAXZrQQAgAEEfRxt0IQAgASgCACEBA0AgASICKAIEQXhxIANGDQIgAEEddiEBIABBAXQhACACIAFBBHFqIgcoAhAiAQ0ACyAHIAQ2AhAgBCACNgIYCyAEIAQ2AgwgBCAENgIIDAELIAIoAggiACAENgIMIAIgBDYCCCAEQQA2AhggBCACNgIMIAQgADYCCAsgBUEIaiEADAELAkAgCUUNAAJAIAIoAhwiAUECdEG4CmoiBSgCACACRgRAIAUgADYCACAADQFBjAggC0F+IAF3cTYCAAwCCwJAIAIgCSgCEEYEQCAJIAA2AhAMAQsgCSAANgIUCyAARQ0BCyAAIAk2AhggAigCECIBBEAgACABNgIQIAEgADYCGAsgAigCFCIBRQ0AIAAgATYCFCABIAA2AhgLAkAgA0EPTQRAIAIgAyAGaiIAQQNyNgIEIAAgAmoiACAAKAIEQQFyNgIEDAELIAIgBkEDcjYCBCACIAZqIgUgA0EBcjYCBCADIAVqIAM2AgAgCARAIAhBeHFBsAhqIQBBnAgoAgAhAQJ/QQEgCEEDdnQiByAEcUUEQEGICCAEIAdyNgIAIAAMAQsgACgCCAshBCAAIAE2AgggBCABNgIMIAEgADYCDCABIAQ2AggLQZwIIAU2AgBBkAggAzYCAAsgAkEIaiEACyAKQRBqJAAgAAvGBAIGfwp9Qf////8HIQxBgICAgHghDUF/IQkDQCADIApGBEBBACEAIAhBAEGAgBD8CwBDAP9/RyANIAxrspUhDwUgBCAKQQxsaiILKgIAIRMgCyoCCCEUIAsqAgQhFSAJIAIgCkECdCIOaigCACILRwRAIAEgC0HQAGxqIgkqAjwgACoCOCIPlCAJKgI4IAAqAigiEJQgCSoCMCAAKgIIIhGUIAAqAhgiEiAJKgI0lJKSkiEWIAkqAiwgD5QgCSoCKCAQlCAJKgIgIBGUIBIgCSoCJJSSkpIhFyAJKgIcIA+UIAkqAhggEJQgCSoCECARlCASIAkqAhSUkpKSIRggCSoCDCAPlCAJKgIIIBCUIAkqAgAgEZQgCSoCBCASlJKSkiEPIAshCQsgBSAOaiAWIBcgFJQgDyATlCAVIBiUkpKSQwAAgEWU/AAiCzYCACAMIAsgCyAMShshDCANIAsgCyANSBshDSAKQQFqIQoMAQsLA0AgACADRkUEQCAFIABBAnRqIgEgDyABKAIAIAxrs5T8ASIBNgIAIAggAUECdGoiASABKAIAQQFqNgIAIABBAWohAAwBCwtBACEAIAdBADYCACAIQQRrIQFBACEMQQEhCgNAIApBgIAERgRAA0ACQCAAIANGDQAgByAFIABBAnRqKAIAQQJ0aiIBIAEoAgAiAUEBajYCACAGIAFBAnRqIAA2AgAgAEEBaiEADAELCwUgByAKQQJ0IgJqIAEgAmooAgAgDGoiDDYCACAKQQFqIQoMAQsLCwIACwsJAQBBgQgLAgYB");
  }
  function O(A) {
    if (ArrayBuffer.isView(A))
      return A;
    if (A == S && M)
      return new Uint8Array(M);
    if (U)
      return U(A);
    throw 'sync fetching of the wasm failed: you can preload it to Module["wasmBinary"] manually, or emcc.py will do that for you when generating HTML (but not JS)';
  }
  function $(A, B) {
    var t, E = O(A);
    t = new WebAssembly.Module(E);
    var i = new WebAssembly.Instance(t, B);
    return [i, t];
  }
  function AA() {
    return { a: nA };
  }
  function IA() {
    function A(E, i) {
      return y = E.exports, u = y.b, q(), rA(y), z(), y;
    }
    _();
    var B = AA();
    if (I.instantiateWasm)
      return new Promise((E, i) => {
        I.instantiateWasm(B, (o, h) => {
          E(A(o));
        });
      });
    S ??= V();
    var t = $(S, B);
    return A(t[0]);
  }
  for (var x = (A) => {
    for (; A.length > 0; )
      A.shift()(I);
  }, v = [], gA = (A) => v.push(A), T = [], CA = (A) => T.push(A), BA = (A) => {
    for (var B, t, E = 0, i = 0, o = A.length, h = new Uint8Array((o * 3 >> 2) - (A[o - 2] == "=") - (A[o - 1] == "=")); E < o; E += 4, i += 3)
      B = n[A.charCodeAt(E + 1)], t = n[A.charCodeAt(E + 2)], h[i] = n[A.charCodeAt(E)] << 2 | B >> 4, h[i + 1] = B << 4 | t >> 2, h[i + 2] = t << 6 | n[A.charCodeAt(E + 3)];
    return h;
  }, QA = () => 2147483648, EA = (A, B) => Math.ceil(A / B) * B, tA = (A) => {
    var B = u.buffer, t = (A - B.byteLength + 65535) / 65536 | 0;
    try {
      return u.grow(t), q(), 1;
    } catch {
    }
  }, iA = (A) => {
    var B = L.length;
    A >>>= 0;
    var t = QA();
    if (A > t)
      return !1;
    for (var E = 1; E <= 4; E *= 2) {
      var i = B * (1 + 0.2 / E);
      i = Math.min(i, A + 100663296);
      var o = Math.min(t, EA(Math.max(A, i), 65536)), h = tA(o);
      if (h)
        return !0;
    }
    return !1;
  }, n = new Uint8Array(123), e = 25; e >= 0; --e)
    n[48 + e] = 52 + e, n[65 + e] = e, n[97 + e] = 26 + e;
  n[43] = 62, n[47] = 63, I.noExitRuntime && I.noExitRuntime, I.print && I.print, I.printErr && I.printErr, I.wasmBinary && (M = I.wasmBinary), I.arguments && I.arguments, I.thisProgram && I.thisProgram;
  function rA(A) {
    I._sort = A.d, I._malloc = A.e, I._free = A.f;
  }
  var nA = { a: iA }, y = IA();
  function m() {
    if (s > 0) {
      f = m;
      return;
    }
    if (P(), s > 0) {
      f = m;
      return;
    }
    function A() {
      I.calledRun = !0, b(), I.onRuntimeInitialized?.(), W();
    }
    I.setStatus ? (I.setStatus("Running..."), setTimeout(() => {
      setTimeout(() => I.setStatus(""), 1), A();
    }, 1)) : A();
  }
  function aA() {
    if (I.preInit)
      for (typeof I.preInit == "function" && (I.preInit = [I.preInit]); I.preInit.length > 0; )
        I.preInit.shift()();
  }
  return aA(), m(), r = I, r;
};
let g, Q, d, c, N, w, p, R, k, J, a = 0, Y = 0, H = [], G = !0, D = !1, F = !1, K = !1;
async function oA() {
  if (!g && (g = await eA(), !g || !g.HEAPF32 || !g._sort))
    throw new Error("WASM module failed to initialize properly");
}
const Z = async () => {
  if (D) {
    F = !0;
    return;
  }
  D = !0, F = !1, g || await oA();
  const C = Math.pow(2, Math.ceil(Math.log2(Q.vertexCount)));
  a < C && (a > 0 && (g._free(d), g._free(N), g._free(w), g._free(p), g._free(R), g._free(k), g._free(J)), a = C, d = g._malloc(16 * 4), N = g._malloc(a * 4), w = g._malloc(3 * a * 4), p = g._malloc(a * 4), R = g._malloc(a * 4), k = g._malloc(a * 4), J = g._malloc(a * 4)), Y < Q.transforms.length && (Y > 0 && g._free(c), Y = Q.transforms.length, c = g._malloc(Y * 4)), D = !1, F && (F = !1, await Z());
}, sA = () => {
  if (!(D || F || !g || !Q)) {
    D = !0;
    try {
      const C = g.HEAPF32, r = g.HEAPU32;
      if (w / 4 + Q.positions.length > C.length)
        throw new Error("Positions buffer overflow");
      if (c / 4 + Q.transforms.length > C.length)
        throw new Error("Transforms buffer overflow");
      if (N / 4 + Q.transformIndices.length > r.length)
        throw new Error("Transform indices buffer overflow");
      if (C.set(Q.positions, w / 4), C.set(Q.transforms, c / 4), r.set(Q.transformIndices, N / 4), C.set(new Float32Array(H), d / 4), g._sort(
        d,
        c,
        N,
        Q.vertexCount,
        w,
        p,
        R,
        k,
        J
      ), R + Q.vertexCount * 4 > r.buffer.byteLength)
        throw new Error("Depth index buffer overflow");
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");
  }
  function W(g) {
    if (ArrayBuffer.isView(g))
      return g;
    if (g == m && F)
      return new Uint8Array(F);
    if (y)
      return y(g);
    throw 'sync fetching of the wasm failed: you can preload it to Module["wasmBinary"] manually, or emcc.py will do that for you when generating HTML (but not JS)';
  }
  function _(g, B) {
    var E, Q = W(g);
    E = new WebAssembly.Module(Q);
    var o = new WebAssembly.Instance(E, B);
    return [o, E];
  }
  function V() {
    return { a: EA };
  }
  function z() {
    function g(Q, o) {
      return f = Q.exports, D = f.b, U(), QA(f), P(), f;
    }
    v();
    var B = V();
    if (A.instantiateWasm)
      return new Promise((Q, o) => {
        A.instantiateWasm(B, (r, c) => {
          Q(g(r));
        });
      });
    m ??= X();
    var E = _(m, B);
    return g(E[0]);
  }
  for (var x = (g) => {
    for (; g.length > 0; )
      g.shift()(A);
  }, j = [], O = (g) => j.push(g), T = [], $ = (g) => T.push(g), AA = (g) => {
    for (var B, E, Q = 0, o = 0, r = g.length, c = new Uint8Array((r * 3 >> 2) - (g[r - 2] == "=") - (g[r - 1] == "=")); Q < r; Q += 4, o += 3)
      B = n[g.charCodeAt(Q + 1)], E = n[g.charCodeAt(Q + 2)], c[o] = n[g.charCodeAt(Q)] << 2 | B >> 4, c[o + 1] = B << 4 | E >> 2, c[o + 2] = E << 6 | n[g.charCodeAt(Q + 3)];
    return c;
  }, gA = () => 2147483648, IA = (g, B) => Math.ceil(g / B) * B, CA = (g) => {
    var B = D.buffer, E = (g - B.byteLength + 65535) / 65536 | 0;
    try {
      return D.grow(E), U(), 1;
    } catch {
    }
  }, BA = (g) => {
    var B = N.length;
    g >>>= 0;
    var E = gA();
    if (g > E)
      return !1;
    for (var Q = 1; Q <= 4; Q *= 2) {
      var o = B * (1 + 0.2 / Q);
      o = Math.min(o, g + 100663296);
      var r = Math.min(E, IA(Math.max(g, o), 65536)), c = CA(r);
      if (c)
        return !0;
    }
    return !1;
  }, n = new Uint8Array(123), a = 25; a >= 0; --a)
    n[48 + a] = 52 + a, n[65 + a] = a, n[97 + a] = 26 + a;
  n[43] = 62, n[47] = 63, A.noExitRuntime && A.noExitRuntime, A.print && A.print, A.printErr && A.printErr, A.wasmBinary && (F = A.wasmBinary), A.arguments && A.arguments, A.thisProgram && A.thisProgram;
  function QA(g) {
    A._pack = g.d, A._malloc = g.e, A._free = g.f;
  }
  var EA = { a: BA }, f = z();
  function q() {
    if (s > 0) {
      w = q;
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it{constructor(t){this.dataChanged=!1,this.transformsChanged=!1,this.colorTransformsChanged=!1,this._updating=new Set,this._dirty=new Set;let e=0,A=0;this._splatIndices=new Map,this._offsets=new Map;const Q=new Map;for(const B of t.objects)B instanceof X&&(this._splatIndices.set(B,A),this._offsets.set(B,e),Q.set(e,B),e+=B.data.vertexCount,A++);this._vertexCount=e,this._width=2048,this._height=Math.ceil(2*this.vertexCount/this.width),this._data=new Uint32Array(this.width*this.height*4),this._transformsWidth=5,this._transformsHeight=Q.size,this._transforms=new Float32Array(this._transformsWidth*this._transformsHeight*4),this._transformIndicesWidth=1024,this._transformIndicesHeight=Math.ceil(this.vertexCount/this._transformIndicesWidth),this._transformIndices=new Uint32Array(this._transformIndicesWidth*this._transformIndicesHeight),this._colorTransformsWidth=4,this._colorTransformsHeight=64,this._colorTransforms=new Float32Array(this._colorTransformsWidth*this._colorTransformsHeight*4),this._colorTransforms.fill(0),this._colorTransforms[0]=1,this._colorTransforms[5]=1,this._colorTransforms[10]=1,this._colorTransforms[15]=1,this._colorTransformIndicesWidth=1024,this._colorTransformIndicesHeight=Math.ceil(this.vertexCount/this._colorTransformIndicesWidth),this._colorTransformIndices=new Uint32Array(this._colorTransformIndicesWidth*this._colorTransformIndicesHeight),this.colorTransformIndices.fill(0),this._positions=new Float32Array(this.vertexCount*3),this._rotations=new Float32Array(this.vertexCount*4),this._scales=new Float32Array(this.vertexCount*3),this._worker=Dt();const F=B=>{const r=this._splatIndices.get(B);this._transforms.set(B.transform.buffer,r*20),this._transforms[r*20+16]=B.selected?1:0,B.positionChanged=!1,B.rotationChanged=!1,B.scaleChanged=!1,B.selectedChanged=!1,this.transformsChanged=!0},U=()=>{let B=!1;for(const l of this._splatIndices.keys())if(l.colorTransformChanged){B=!0;break}if(!B)return;const r=[new _];this._colorTransformIndices.fill(0);let a=1;for(const l of this._splatIndices.keys()){const o=this._offsets.get(l);for(const R of l.colorTransforms)r.includes(R)||(r.push(R),a++);for(const R of l.colorTransformsMap.keys()){const E=l.colorTransformsMap.get(R);this._colorTransformIndices[R+o]=E+a-1}l.colorTransformChanged=!1}for(let l=0;l<r.length;l++){const o=r[l];this._colorTransforms.set(o.buffer,l*16)}this.colorTransformsChanged=!0};this._worker.onmessage=B=>{if(B.data.response){const r=B.data.response,a=Q.get(r.offset);F(a),U();const l=this._splatIndices.get(a);for(let o=0;o<a.data.vertexCount;o++)this._transformIndices[r.offset+o]=l;this._data.set(r.data,r.offset*8),a.data.reattach(r.positions,r.rotations,r.scales,r.colors,r.selection),this._positions.set(r.worldPositions,r.offset*3),this._rotations.set(r.worldRotations,r.offset*4),this._scales.set(r.worldScales,r.offset*3),this._updating.delete(a),a.selectedChanged=!1,this.dataChanged=!0}};let n;async function i(){n=await Wt()}i();async function s(){for(;!n;)await new Promise(B=>setTimeout(B,0))}const I=B=>{if(!n){s().then(()=>{I(B)});return}F(B);const r=n._malloc(3*B.data.vertexCount*4),a=n._malloc(4*B.data.vertexCount*4),l=n._malloc(3*B.data.vertexCount*4),o=n._malloc(4*B.data.vertexCount),R=n._malloc(B.data.vertexCount),E=n._malloc(8*B.data.vertexCount*4),S=n._malloc(3*B.data.vertexCount*4),N=n._malloc(4*B.data.vertexCount*4),W=n._malloc(3*B.data.vertexCount*4);n.HEAPF32.set(B.data.positions,r/4),n.HEAPF32.set(B.data.rotations,a/4),n.HEAPF32.set(B.data.scales,l/4),n.HEAPU8.set(B.data.colors,o),n.HEAPU8.set(B.data.selection,R),n._pack(B.selected,B.data.vertexCount,r,a,l,o,R,E,S,N,W);const w=new Uint32Array(n.HEAPU32.buffer,E,B.data.vertexCount*8),D=new Float32Array(n.HEAPF32.buffer,S,B.data.vertexCount*3),f=new Float32Array(n.HEAPF32.buffer,N,B.data.vertexCount*4),Z=new Float32Array(n.HEAPF32.buffer,W,B.data.vertexCount*3),H=this._splatIndices.get(B),M=this._offsets.get(B);for(let G=0;G<B.data.vertexCount;G++)this._transformIndices[M+G]=H;this._data.set(w,M*8),this._positions.set(D,M*3),this._rotations.set(f,M*4),this._scales.set(Z,M*3),n._free(r),n._free(a),n._free(l),n._free(o),n._free(R),n._free(E),n._free(S),n._free(N),n._free(W),this.dataChanged=!0,this.colorTransformsChanged=!0},d=B=>{if((B.positionChanged||B.rotationChanged||B.scaleChanged||B.selectedChanged)&&F(B),B.colorTransformChanged&&U(),!B.data.changed||B.data.detached)return;const r={position:new Float32Array(B.position.flat()),rotation:new Float32Array(B.rotation.flat()),scale:new Float32Array(B.scale.flat()),selected:B.selected,vertexCount:B.data.vertexCount,positions:B.data.positions,rotations:B.data.rotations,scales:B.data.scales,colors:B.data.colors,selection:B.data.selection,offset:this._offsets.get(B)};this._worker.postMessage({splat:r},[r.position.buffer,r.rotation.buffer,r.scale.buffer,r.positions.buffer,r.rotations.buffer,r.scales.buffer,r.colors.buffer,r.selection.buffer]),this._updating.add(B),B.data.detached=!0};this.getSplat=B=>{let r=null;for(const[a,l]of this._offsets)if(B>=l)r=a;else break;return r},this.getLocalIndex=(B,r)=>{const a=this._offsets.get(B);return r-a},this.markDirty=B=>{this._dirty.add(B)},this.rebuild=()=>{for(const B of this._dirty)d(B);this._dirty.clear()},this.dispose=()=>{this._worker.terminate()};for(const B of this._splatIndices.keys())I(B);U()}get offsets(){return this._offsets}get data(){return this._data}get width(){return this._width}get height(){return this._height}get transforms(){return this._transforms}get transformsWidth(){return this._transformsWidth}get transformsHeight(){return this._transformsHeight}get transformIndices(){return this._transformIndices}get transformIndicesWidth(){return this._transformIndicesWidth}get transformIndicesHeight(){return this._transformIndicesHeight}get colorTransforms(){return this._colorTransforms}get colorTransformsWidth(){return this._colorTransformsWidth}get colorTransformsHeight(){return this._colorTransformsHeight}get colorTransformIndices(){return this._colorTransformIndices}get colorTransformIndicesWidth(){return this._colorTransformIndicesWidth}get colorTransformIndicesHeight(){return this._colorTransformIndicesHeight}get positions(){return this._positions}get rotations(){return this._rotations}get scales(){return this._scales}get vertexCount(){return this._vertexCount}get needsRebuild(){return this._dirty.size>0}get updating(){return this._updating.size>0}}class at{constructor(t=0,e=0,A=0,Q=255){this.r=t,this.g=e,this.b=A,this.a=Q}flat(){return[this.r,this.g,this.b,this.a]}flatNorm(){return[this.r/255,this.g/255,this.b/255,this.a/255]}toHexString(){return"#"+this.flat().map(t=>t.toString(16).padStart(2,"0")).join("")}toString(){return`[${this.flat().join(", ")}]`}}const pt=()=>new Zt,kt=`#version 300 es 9precision highp float; 10precision highp int; 11 12uniform highp usampler2D u_texture; 13uniform highp sampler2D u_transforms; 14uniform highp usampler2D u_transformIndices; 15uniform highp sampler2D u_colorTransforms; 16uniform highp usampler2D u_colorTransformIndices; 17uniform mat4 projection, view; 18uniform vec2 focal; 19uniform vec2 viewport; 20 21uniform bool useDepthFade; 22uniform float depthFade; 23 24in vec2 position; 25in int index; 26 27out vec4 vColor; 28out vec2 vPosition; 29out float vSize; 30out float vSelected; 31 32void main () { 33 uvec4 cen = texelFetch(u_texture, ivec2((uint(index) & 0x3ffu) << 1, uint(index) >> 10), 0); 34 float selected = float((cen.w >> 24) & 0xffu); 35 36 uint transformIndex = texelFetch(u_transformIndices, ivec2(uint(index) & 0x3ffu, uint(index) >> 10), 0).x; 37 mat4 transform = mat4( 38 texelFetch(u_transforms, ivec2(0, transformIndex), 0), 39 texelFetch(u_transforms, ivec2(1, transformIndex), 0), 40 texelFetch(u_transforms, ivec2(2, transformIndex), 0), 41 texelFetch(u_transforms, ivec2(3, transformIndex), 0) 42 ); 43 44 if (selected < 0.5) { 45 selected = texelFetch(u_transforms, ivec2(4, transformIndex), 0).x; 46 } 47 48 mat4 viewTransform = view * transform; 49
50 vec4 cam = viewTransform * vec4(uintBitsToFloat(cen.xyz), 1); 51 vec4 pos2d = projection * cam; 52 53 float clip = 1.2 * pos2d.w; 54 if (pos2d.z < -pos2d.w || pos2d.z > pos2d.w || pos2d.x < -clip || pos2d.x > clip || pos2d.y < -clip || pos2d.y > clip) { 55 gl_Position = vec4(0.0, 0.0, 2.0, 1.0); 56 return; 57 } 58 59 uvec4 cov = texelFetch(u_texture, ivec2(((uint(index) & 0x3ffu) << 1) | 1u, uint(index) >> 10), 0); 60 vec2 u1 = unpackHalf2x16(cov.x), u2 = unpackHalf2x16(cov.y), u3 = unpackHalf2x16(cov.z); 61 mat3 Vrk = mat3(u1.x, u1.y, u2.x, u1.y, u2.y, u3.x, u2.x, u3.x, u3.y); 62 63 mat3 J = mat3( 64 focal.x / cam.z, 0., -(focal.x * cam.x) / (cam.z * cam.z), 65 0., -focal.y / cam.z, (focal.y * cam.y) / (cam.z * cam.z), 66 0., 0., 0. 67 ); 68 69 mat3 T = transpose(mat3(viewTransform)) * J; 70 mat3 cov2d = transpose(T) * Vrk * T; 71 72 //ref: https://github.com/graphdeco-inria/diff-gaussian-rasterization/blob/main/cuda_rasterizer/forward.cu#L110-L111 73 cov2d[0][0] += 0.3; 74 cov2d[1][1] += 0.3; 75 76 float mid = (cov2d[0][0] + cov2d[1][1]) / 2.0; 77 float radius = length(vec2((cov2d[0][0] - cov2d[1][1]) / 2.0, cov2d[0][1])); 78 float lambda1 = mid + radius, lambda2 = mid - radius; 79 80 if (lambda2 < 0.0) return; 81 vec2 diagonalVector = normalize(vec2(cov2d[0][1], lambda1 - cov2d[0][0])); 82 vec2 majorAxis = min(sqrt(2.0 * lambda1), 1024.0) * diagonalVector; 83 vec2 minorAxis = min(sqrt(2.0 * lambda2), 1024.0) * vec2(diagonalVector.y, -diagonalVector.x); 84 85 uint colorTransformIndex = texelFetch(u_colorTransformIndices, ivec2(uint(index) & 0x3ffu, uint(index) >> 10), 0).x; 86 mat4 colorTransform = mat4( 87 texelFetch(u_colorTransforms, ivec2(0, colorTransformIndex), 0), 88 texelFetch(u_colorTransforms, ivec2(1, colorTransformIndex), 0), 89 texelFetch(u_colorTransforms, ivec2(2, colorTransformIndex), 0), 90 texelFetch(u_colorTransforms, ivec2(3, colorTransformIndex), 0) 91 ); 92 93 vec4 color = vec4((cov.w) & 0xffu, (cov.w >> 8) & 0xffu, (cov.w >> 16) & 0xffu, (cov.w >> 24) & 0xffu) / 255.0; 94 vColor = colorTransform * color; 95 96 vPosition = position; 97 vSize = length(majorAxis); 98 vSelected = selected; 99 100 float scalingFactor = 1.0; 101 102 if (useDepthFade) { 103 float depthNorm = (pos2d.z / pos2d.w + 1.0) / 2.0; 104 float near = 0.1; float far = 100.0; 105 float normalizedDepth = (2.0 * near) / (far + near - depthNorm * (far - near)); 106 float start = max(normalizedDepth - 0.1, 0.0); 107 float end = min(normalizedDepth + 0.1, 1.0); 108 scalingFactor = clamp((depthFade - start) / (end - start), 0.0, 1.0); 109 } 110 111 vec2 vCenter = vec2(pos2d) / pos2d.w; 112 gl_Position = vec4( 113 vCenter 114 + position.x * majorAxis * scalingFactor / viewport 115 + position.y * minorAxis * scalingFactor / viewport, 0.0, 1.0); 116} 117`,yt=`#version 300 es 118precision highp float; 119 120uniform float outlineThickness; 121uniform vec4 outlineColor; 122 123in vec4 vColor; 124in vec2 vPosition; 125in float vSize; 126in float vSelected; 127 128out vec4 fragColor; 129 130void main () { 131 float A = -dot(vPosition, vPosition); 132 133 if (A < -4.0) discard; 134 135 if (vSelected < 0.5) { 136 float B = exp(A) * vColor.a; 137 fragColor = vec4(B * vColor.rgb, B); 138 return; 139 } 140 141 float outlineThreshold = -4.0 + (outlineThickness / vSize); 142 143 if (A < outlineThreshold) { 144 fragColor = outlineColor; 145 } 146 else { 147 float B = exp(A) * vColor.a; 148 fragColor = vec4(B * vColor.rgb, B); 149 } 150} 151`;class Ct extends mt{constructor(t,e){super(t,e),this._outlineThickness=10,this._outlineColor=new at(255,165,0,255),this._renderData=null,this._depthIndex=new Uint32Array,this._splatTexture=null,this._worker=null;const A=t.canvas,Q=t.gl;let F,U,n,i,s,I,d,B,r,a,l,o,R,E,S,N,W,w,D;this._resize=()=>{this._camera&&(this._camera.data.setSize(A.width,A.height),this._camera.update(),F=Q.getUniformLocation(this.program,"projection"),Q.uniformMatrix4fv(F,!1,this._camera.data.projectionMatrix.buffer),U=Q.getUniformLocation(this.program,"viewport"),Q.uniform2fv(U,new Float32Array([A.width,A.height])))};const f=()=>{this._worker=pt(),this._worker.onmessage=m=>{if(m.data.depthIndex){const{depthIndex:k}=m.data;this._depthIndex=k,Q.bindBuffer(Q.ARRAY_BUFFER,D),Q.bufferData(Q.ARRAY_BUFFER,k,Q.STATIC_DRAW)}}};this._initialize=()=>{if(!this._scene||!this._camera){console.error("Cannot render without scene and camera");return}this._resize(),this._scene.addEventListener("objectAdded",Z),this._scene.addEventListener("objectRemoved",H);for(const m of this._scene.objects)m instanceof X&&m.addEventListener("objectChanged",M);this._renderData=new it(this._scene),n=Q.getUniformLocation(this.program,"focal"),Q.uniform2fv(n,new Float32Array([this._camera.data.fx,this._camera.data.fy])),i=Q.getUniformLocation(this.program,"view"),Q.uniformMatrix4fv(i,!1,this._camera.data.viewMatrix.buffer),a=Q.getUniformLocation(this.program,"outlineThickness"),Q.uniform1f(a,this.outlineThickness),l=Q.getUniformLocation(this.program,"outlineColor"),Q.uniform4fv(l,new Float32Array(this.outlineColor.flatNorm())),this._splatTexture=Q.createTexture(),s=Q.getUniformLocation(this.program,"u_texture"),Q.uniform1i(s,0),E=Q.createTexture(),I=Q.getUniformLocation(this.program,"u_transforms"),Q.uniform1i(I,1),S=Q.createTexture(),d=Q.getUniformLocation(this.program,"u_transformIndices"),Q.uniform1i(d,2),N=Q.createTexture(),B=Q.getUniformLocation(this.program,"u_colorTransforms"),Q.uniform1i(B,3),W=Q.createTexture(),r=Q.getUniformLocation(this.program,"u_colorTransformIndices"),Q.uniform1i(r,4),w=Q.createBuffer(),Q.bindBuffer(Q.ARRAY_BUFFER,w),Q.bufferData(Q.ARRAY_BUFFER,new Float32Array([-2,-2,2,-2,2,2,-2,2]),Q.STATIC_DRAW),o=Q.getAttribLocation(this.program,"position"),Q.enableVertexAttribArray(o),Q.vertexAttribPointer(o,2,Q.FLOAT,!1,0,0),D=Q.createBuffer(),R=Q.getAttribLocation(this.program,"index"),Q.enableVertexAttribArray(R),Q.bindBuffer(Q.ARRAY_BUFFER,D),f()};const Z=m=>{const k=m;k.object instanceof X&&k.object.addEventListener("objectChanged",M),G()},H=m=>{const k=m;k.object instanceof X&&k.object.removeEventListener("objectChanged",M),G()},M=m=>{const k=m;k.object instanceof X&&this._renderData&&this._renderData.markDirty(k.object)},G=()=>{this._renderData?.dispose(),this._renderData=new it(this._scene),this._worker?.terminate(),f()};this._render=()=>{if(!this._scene||!this._camera||!this.renderData){console.error("Cannot render without scene and camera");return}if(this.renderData.needsRebuild&&this.renderData.rebuild(),this.renderData.dataChanged||this.renderData.transformsChanged||this.renderData.colorTransformsChanged){this.renderData.dataChanged&&(Q.activeTexture(Q.TEXTURE0),Q.bindTexture(Q.TEXTURE_2D,this.splatTexture),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_WRAP_S,Q.CLAMP_TO_EDGE),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_WRAP_T,Q.CLAMP_TO_EDGE),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_MIN_FILTER,Q.NEAREST),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_MAG_FILTER,Q.NEAREST),Q.texImage2D(Q.TEXTURE_2D,0,Q.RGBA32UI,this.renderData.width,this.renderData.height,0,Q.RGBA_INTEGER,Q.UNSIGNED_INT,this.renderData.data)),this.renderData.transformsChanged&&(Q.activeTexture(Q.TEXTURE1),Q.bindTexture(Q.TEXTURE_2D,E),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_WRAP_S,Q.CLAMP_TO_EDGE),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_WRAP_T,Q.CLAMP_TO_EDGE),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_MIN_FILTER,Q.NEAREST),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_MAG_FILTER,Q.NEAREST),Q.texImage2D(Q.TEXTURE_2D,0,Q.RGBA32F,this.renderData.transformsWidth,this.renderData.transformsHeight,0,Q.RGBA,Q.FLOAT,this.renderData.transforms),Q.activeTexture(Q.TEXTURE2),Q.bindTexture(Q.TEXTURE_2D,S),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_WRAP_S,Q.CLAMP_TO_EDGE),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_WRAP_T,Q.CLAMP_TO_EDGE),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_MIN_FILTER,Q.NEAREST),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_MAG_FILTER,Q.NEAREST),Q.texImage2D(Q.TEXTURE_2D,0,Q.R32UI,this.renderData.transformIndicesWidth,this.renderData.transformIndicesHeight,0,Q.RED_INTEGER,Q.UNSIGNED_INT,this.renderData.transformIndices)),this.renderData.colorTransformsChanged&&(Q.activeTexture(Q.TEXTURE3),Q.bindTexture(Q.TEXTURE_2D,N),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_WRAP_S,Q.CLAMP_TO_EDGE),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_WRAP_T,Q.CLAMP_TO_EDGE),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_MIN_FILTER,Q.NEAREST),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_MAG_FILTER,Q.NEAREST),Q.texImage2D(Q.TEXTURE_2D,0,Q.RGBA32F,this.renderData.colorTransformsWidth,this.renderData.colorTransformsHeight,0,Q.RGBA,Q.FLOAT,this.renderData.colorTransforms),Q.activeTexture(Q.TEXTURE4),Q.bindTexture(Q.TEXTURE_2D,W),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_WRAP_S,Q.CLAMP_TO_EDGE),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_WRAP_T,Q.CLAMP_TO_EDGE),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_MIN_FILTER,Q.NEAREST),Q.texParameteri(Q.TEXTURE_2D,Q.TEXTURE_MAG_FILTER,Q.NEAREST),Q.texImage2D(Q.TEXTURE_2D,0,Q.R32UI,this.renderData.colorTransformIndicesWidth,this.renderData.colorTransformIndicesHeight,0,Q.RED_INTEGER,Q.UNSIGNED_INT,this.renderData.colorTransformIndices));const m=new Float32Array(this.renderData.positions.slice().buffer),k=new Float32Array(this.renderData.transforms.slice().buffer),P=new Uint32Array(this.renderData.transformIndices.slice().buffer);this._worker?.postMessage({sortData:{positions:m,transforms:k,transformIndices:P,vertexCount:this.renderData.vertexCount}},[m.buffer,k.buffer,P.buffer]),this.renderData.dataChanged=!1,this.renderData.transformsChanged=!1,this.renderData.colorTransformsChanged=!1}this._camera.update(),this._worker?.postMessage({viewProj:this._camera.data.viewProj.buffer}),Q.viewport(0,0,A.width,A.height),Q.clearColor(0,0,0,0),Q.clear(Q.COLOR_BUFFER_BIT),Q.disable(Q.DEPTH_TEST),Q.enable(Q.BLEND),Q.blendFuncSeparate(Q.ONE_MINUS_DST_ALPHA,Q.ONE,Q.ONE_MINUS_DST_ALPHA,Q.ONE),Q.blendEquationSeparate(Q.FUNC_ADD,Q.FUNC_ADD),Q.uniformMatrix4fv(F,!1,this._camera.data.projectionMatrix.buffer),Q.uniformMatrix4fv(i,!1,this._camera.data.viewMatrix.buffer),Q.bindBuffer(Q.ARRAY_BUFFER,w),Q.vertexAttribPointer(o,2,Q.FLOAT,!1,0,0),Q.bindBuffer(Q.ARRAY_BUFFER,D),Q.bufferData(Q.ARRAY_BUFFER,this.depthIndex,Q.STATIC_DRAW),Q.vertexAttribIPointer(R,1,Q.INT,0,0),Q.vertexAttribDivisor(R,1),Q.drawArraysInstanced(Q.TRIANGLE_FAN,0,4,this.depthIndex.length)},this._dispose=()=>{if(!this._scene||!this._camera||!this.renderData){console.error("Cannot dispose without scene and camera");return}this._scene.removeEventListener("objectAdded",Z),this._scene.removeEventListener("objectRemoved",H);for(const m of this._scene.objects)m instanceof X&&m.removeEventListener("objectChanged",M);this._worker?.terminate(),this.renderData.dispose(),Q.deleteTexture(this.splatTexture),Q.deleteTexture(E),Q.deleteTexture(S),Q.deleteBuffer(D),Q.deleteBuffer(w)},this._setOutlineThickness=m=>{this._outlineThickness=m,this._initialized&&Q.uniform1f(a,m)},this._setOutlineColor=m=>{this._outlineColor=m,this._initialized&&Q.uniform4fv(l,new Float32Array(m.flatNorm()))}}get renderData(){return this._renderData}get depthIndex(){return this._depthIndex}get splatTexture(){return this._splatTexture}get outlineThickness(){return this._outlineThickness}set outlineThickness(t){this._setOutlineThickness(t)}get outlineColor(){return this._outlineColor}set outlineColor(t){this._setOutlineColor(t)}get worker(){return this._worker}_getVertexSource(){return kt}_getFragmentSource(){return yt}}class wt{constructor(t=1){let e=0,A=!1,Q,F,U,n;this.initialize=i=>{if(!(i instanceof Ct))throw new Error("FadeInPass requires a RenderProgram");e=i.started?1:0,A=!0,Q=i,F=i.renderer.gl,U=F.getUniformLocation(Q.program,"useDepthFade"),F.uniform1i(U,1),n=F.getUniformLocation(Q.program,"depthFade"),F.uniform1f(n,e)},this.render=()=>{!A||Q.renderData?.updating||(F.useProgram(Q.program),e=Math.min(e+t*.01,1),e>=1&&(A=!1,F.uniform1i(U,0)),F.uniform1f(n,e))}}dispose(){}}class ft{constructor(t=null,e=null){this._backgroundColor=new at;const A=t||document.createElement("canvas");t||(A.style.display="block",A.style.boxSizing="border-box",A.style.width="100%",A.style.height="100%",A.style.margin="0",A.style.padding="0",document.body.appendChild(A)),A.style.background=this._backgroundColor.toHexString(),this._canvas=A,this._gl=A.getContext("webgl2",{antialias:!1});const Q=e||[];
vendor: 7,490 bytes, lines 151-152
151e||Q.push(new wt),this._renderProgram=new Ct(this,Q);const F=[this._renderProgram];this.resize=()=>{const U=A.clientWidth,n=A.clientHeight;(A.width!==U||A.height!==n)&&this.setSize(U,n)},this.setSize=(U,n)=>{A.width=U,A.height=n,this._gl.viewport(0,0,A.width,A.height);for(const i of F)i.resize()},this.render=(U,n)=>{for(const i of F)i.render(U,n)},this.dispose=()=>{for(const U of F)U.dispose()},this.addProgram=U=>{F.push(U)},this.removeProgram=U=>{const n=F.indexOf(U);if(n<0)throw new Error("Program not found");F.splice(n,1)},this.resize()}get canvas(){return this._canvas}get gl(){return this._gl}get renderProgram(){return this._renderProgram}get backgroundColor(){return this._backgroundColor}set backgroundColor(t){this._backgroundColor=t,this._canvas.style.background=t.toHexString()}}class Tt{constructor(t,e,A=.5,Q=.5,F=5,U=!0,n=new h){this.minAngle=-90,this.maxAngle=90,this.minZoom=.1,this.maxZoom=30,this.orbitSpeed=1,this.panSpeed=1,this.zoomSpeed=1,this.dampening=.12,this.setCameraTarget=()=>{};let i=n.clone(),s=i.clone(),I=A,d=Q,B=F,r=!1,a=!1,l=0,o=0,R=0;const E={};let S=!1;const N=()=>{if(S)return;const g=t.rotation.toEuler();I=-g.y,d=-g.x;const J=t.position.x-B*Math.sin(I)*Math.cos(d),p=t.position.y+B*Math.sin(d),b=t.position.z+B*Math.cos(I)*Math.cos(d);s=new h(J,p,b)};t.addEventListener("objectChanged",N),this.setCameraTarget=g=>{const J=g.x-t.position.x,p=g.y-t.position.y,b=g.z-t.position.z;B=Math.sqrt(J*J+p*p+b*b),d=Math.atan2(p,Math.sqrt(J*J+b*b)),I=-Math.atan2(J,b),s=new h(g.x,g.y,g.z)};const W=()=>.1+.9*(B-this.minZoom)/(this.maxZoom-this.minZoom),w=g=>{E[g.code]=!0,g.code==="ArrowUp"&&(E.KeyW=!0),g.code==="ArrowDown"&&(E.KeyS=!0),g.code==="ArrowLeft"&&(E.KeyA=!0),g.code==="ArrowRight"&&(E.KeyD=!0)},D=g=>{E[g.code]=!1,g.code==="ArrowUp"&&(E.KeyW=!1),g.code==="ArrowDown"&&(E.KeyS=!1),g.code==="ArrowLeft"&&(E.KeyA=!1),g.code==="ArrowRight"&&(E.KeyD=!1)},f=g=>{T(g),r=!0,a=g.button===2,o=g.clientX,R=g.clientY,window.addEventListener("mouseup",Z)},Z=g=>{T(g),r=!1,a=!1,window.removeEventListener("mouseup",Z)},H=g=>{if(T(g),!r||!t)return;const J=g.clientX-o,p=g.clientY-R;if(a){const b=W(),z=-J*this.panSpeed*.01*b,q=-p*this.panSpeed*.01*b,L=j.RotationFromQuaternion(t.rotation).buffer,C=new h(L[0],L[3],L[6]),V=new h(L[1],L[4],L[7]);s=s.add(C.multiply(z)),s=s.add(V.multiply(q))}else I-=J*this.orbitSpeed*.003,d+=p*this.orbitSpeed*.003,d=Math.min(Math.max(d,this.minAngle*Math.PI/180),this.maxAngle*Math.PI/180);o=g.clientX,R=g.clientY},M=g=>{T(g);const J=W();B+=g.deltaY*this.zoomSpeed*.025*J,B=Math.min(Math.max(B,this.minZoom),this.maxZoom)},G=g=>{if(T(g),g.touches.length===1)r=!0,a=!1,o=g.touches[0].clientX,R=g.touches[0].clientY,l=0;else if(g.touches.length===2){r=!0,a=!0,o=(g.touches[0].clientX+g.touches[1].clientX)/2,R=(g.touches[0].clientY+g.touches[1].clientY)/2;const J=g.touches[0].clientX-g.touches[1].clientX,p=g.touches[0].clientY-g.touches[1].clientY;l=Math.sqrt(J*J+p*p)}},m=g=>{T(g),r=!1,a=!1},k=g=>{if(T(g),!(!r||!t))if(a){const J=W(),p=g.touches[0].clientX-g.touches[1].clientX,b=g.touches[0].clientY-g.touches[1].clientY,z=Math.sqrt(p*p+b*b),q=l-z;B+=q*this.zoomSpeed*.1*J,B=Math.min(Math.max(B,this.minZoom),this.maxZoom),l=z;const L=(g.touches[0].clientX+g.touches[1].clientX)/2,C=(g.touches[0].clientY+g.touches[1].clientY)/2,V=L-o,x=C-R,u=j.RotationFromQuaternion(t.rotation).buffer,Y=new h(u[0],u[3],u[6]),O=new h(u[1],u[4],u[7]);s=s.add(Y.multiply(-V*this.panSpeed*.025*J)),s=s.add(O.multiply(-x*this.panSpeed*.025*J)),o=L,R=C}else{const J=g.touches[0].clientX-o,p=g.touches[0].clientY-R;I-=J*this.orbitSpeed*.003,d+=p*this.orbitSpeed*.003,d=Math.min(Math.max(d,this.minAngle*Math.PI/180),this.maxAngle*Math.PI/180),o=g.touches[0].clientX,R=g.touches[0].clientY}},P=(g,J,p)=>(1-p)*g+p*J;this.update=()=>{S=!0,A=P(A,I,this.dampening),Q=P(Q,d,this.dampening),F=P(F,B,this.dampening),i=i.lerp(s,this.dampening);const g=i.x+F*Math.sin(A)*Math.cos(Q),J=i.y-F*Math.sin(Q),p=i.z-F*Math.cos(A)*Math.cos(Q);t.position=new h(g,J,p);const b=i.subtract(t.position).normalize(),z=Math.asin(-b.y),q=Math.atan2(b.x,b.z);t.rotation=y.FromEuler(new h(z,q,0));const L=.025,C=.01,V=j.RotationFromQuaternion(t.rotation).buffer,x=new h(-V[2],-V[5],-V[8]),u=new h(V[0],V[3],V[6]);E.KeyS&&(s=s.add(x.multiply(L))),E.KeyW&&(s=s.subtract(x.multiply(L))),E.KeyA&&(s=s.subtract(u.multiply(L))),E.KeyD&&(s=s.add(u.multiply(L))),E.KeyE&&(I+=C),E.KeyQ&&(I-=C),E.KeyR&&(d+=C),E.KeyF&&(d-=C),S=!1};const T=g=>{g.preventDefault(),g.stopPropagation()};this.dispose=()=>{e.removeEventListener("dragenter",T),e.removeEventListener("dragover",T),e.removeEventListener("dragleave",T),e.removeEventListener("contextmenu",T),e.removeEventListener("mousedown",f),e.removeEventListener("mousemove",H),e.removeEventListener("wheel",M),e.removeEventListener("touchstart",G),e.removeEventListener("touchend",m),e.removeEventListener("touchmove",k),U&&(window.removeEventListener("keydown",w),window.removeEventListener("keyup",D))},U&&(window.addEventListener("keydown",w),window.addEventListener("keyup",D)),e.addEventListener("dragenter",T),e.addEventListener("dragover",T),e.addEventListener("dragleave",T),e.addEventListener("contextmenu",T),e.addEventListener("mousedown",f),e.addEventListener("mousemove",H),e.addEventListener("wheel",M),e.addEventListener("touchstart",G),e.addEventListener("touchend",m),e.addEventListener("touchmove",k),this.update()}}const{SvelteComponent:bt,binding_callbacks:xt,detach:Gt,element:Mt,flush:et,init:Lt,insert:Yt,noop:At,safe_not_equal:Kt}=window.__gradio__svelte__internal,{onMount:vt}=window.__gradio__svelte__internal;function _t(c){let t;return{c(){t=Mt("canvas")},m(e,A){Yt(e,t,A),c[9](t)},p:At,i:At,o:At,d(e){e&&Gt(t),c[9](null)}}}function Xt(c,t,e){let A,Q,{value:F}=t,{zoom_speed:U}=t,{pan_speed:n}=t,{resolved_url:i=void 0}=t,s,I,d,B,r=null,a,l=!1,o=null;function R(){if(o!==null&&(cancelAnimationFrame(o),o=null),r!==null&&(r.dispose(),r=null),d=new Et,B=new ct,r=new ft(I),a=new Tt(B,I),a.zoomSpeed=U,a.panSpeed=n,!F)return;let S=!1;const N=async()=>{if(S){console.error("Already loading");return}if(!i)throw new Error("No resolved URL");if(S=!0,i.endsWith(".ply"))await Jt.LoadAsync(i,d,void 0);else if(i.endsWith(".splat"))await St.LoadAsync(i,d,void 0);else throw new Error("Unsupported file type");S=!1},W=()=>{if(r){if(S){o=requestAnimationFrame(W);return}a.update(),r.render(d,B),o=requestAnimationFrame(W)}};N(),o=requestAnimationFrame(W)}vt(()=>(F!=null&&R(),e(6,l=!0),()=>{r&&r.dispose()}));function E(S){xt[S?"unshift":"push"](()=>{I=S,e(0,I)})}return c.$$set=S=>{"value"in S&&e(2,F=S.value),"zoom_speed"in S&&e(3,U=S.zoom_speed),"pan_speed"in S&&e(4,n=S.pan_speed),"resolved_url"in S&&e(1,i=S.resolved_url)},c.$$.update=()=>{if(c.$$.dirty&4&&e(8,A=F.url),c.$$.dirty&288&&(e(1,i=A),A)){e(5,s=A);const S=A;It(A).then(N=>{s===S?e(1,i=N??void 0):N&&URL.revokeObjectURL(N)})}c.$$.dirty&4&&e(7,{path:Q}=F||{path:void 0},Q),c.$$.dirty&193&&I&&l&&Q&&R()},[I,i,F,U,n,s,l,Q,A,E]}class jt extends bt{constructor(t){super(),Lt(this,t,Xt,_t,Kt,{value:2,zoom_speed:3,pan_speed:4,resolved_url:1})}get value(){return this.$$.ctx[2]}set value(t){this.$$set({value:t}),et()}get zoom_speed(){return this.$$.ctx[3]}set zoom_speed(t){this.$$set({zoom_speed:t}),et()}get pan_speed(){return this.$$.ctx[4]}set pan_speed(t){this.$$set({pan_speed:t}),et()}get resolved_url(){return this.$$.ctx[1]}set resolved_url(t){this.$$set({resolved_url:t}),et()}}export{jt as default}; 152//# sourceMappingURL=Canvas3DGS-Btr1ASr1.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.