https://dubberkuro-myanmar-tts.hf.space/assets/Canvas3DGS-BIelA4Dj.js

1import{d as It}from"./i18n-D-XRiFon.js";import{R as lt,aa as dt,y as ht,a as Rt,T as ct,W as Et,x as St,u as Jt,w as tt,a5 as At}from"./index-iG-u5S-q.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 f{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 f(this.x/t,this.y/t,this.z/t,this.w/t)}multiply(t){const e=this.w,A=this.x,Q=this.y,s=this.z,n=t.w,U=t.x,F=t.y,i=t.z;return new f(e*U+A*n+Q*i-s*F,e*F-A*i+Q*n+s*U,e*i+A*F-Q*U+s*n,e*n-A*U-Q*F-s*i)}inverse(){const t=this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w;return new f(-this.x/t,-this.y/t,-this.z/t,this.w/t)}apply(t){const e=new f(t.x,t.y,t.z,0),A=new f(-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 f(this.x,this.y,this.z,this.w)}static FromEuler(t){const e=t.x/2,A=t.y/2,Q=t.z/2,s=Math.cos(A),n=Math.sin(A),U=Math.cos(e),F=Math.sin(e),i=Math.cos(Q),l=Math.sin(Q);return new f(s*F*i+n*U*l,n*U*i-s*F*l,s*U*l-n*F*i,s*U*i+n*F*l)}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 s=2*(this.w*this.y-this.z*this.x);Math.abs(s)>=1?Q=Math.sign(s)*Math.PI/2:Q=Math.asin(s);const n=2*(this.w*this.z+this.x*this.y),U=1-2*(this.y*this.y+this.z*this.z),F=Math.atan2(n,U);return new h(A,Q,F)}static FromMatrix3(t){const e=t.buffer,A=e[0]+e[4]+e[8];let Q,s,n,U;if(A>0){const F=.5/Math.sqrt(A+1);U=.25/F,Q=(e[7]-e[5])*F,s=(e[2]-e[6])*F,n=(e[3]-e[1])*F}else if(e[0]>e[4]&&e[0]>e[8]){const F=2*Math.sqrt(1+e[0]-e[4]-e[8]);U=(e[7]-e[5])/F,Q=.25*F,s=(e[1]+e[3])/F,n=(e[2]+e[6])/F}else if(e[4]>e[8]){const F=2*Math.sqrt(1+e[4]-e[0]-e[8]);U=(e[2]-e[6])/F,Q=(e[1]+e[3])/F,s=.25*F,n=(e[5]+e[7])/F}else{const F=2*Math.sqrt(1+e[8]-e[0]-e[4]);U=(e[3]-e[1])/F,Q=(e[2]+e[6])/F,s=(e[5]+e[7])/F,n=.25*F}return new f(Q,s,n,U)}static FromAxisAngle(t,e){const A=e/2,Q=Math.sin(A),s=Math.cos(A);return new f(t.x*Q,t.y*Q,t.z*Q,s)}static LookRotation(t){const e=new h(0,0,1),A=e.dot(t);if(Math.abs(A- -1)<1e-6)return new f(0,1,0,Math.PI);if(Math.abs(A-1)<1e-6)return new f;const Q=Math.acos(A),s=e.cross(t).normalize();return f.FromAxisAngle(s,Q)}toString(){return`[${this.flat().join(", ")}]`}}class it{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 X{constructor(t=1,e=0,A=0,Q=0,s=0,n=1,U=0,F=0,i=0,l=0,d=1,B=0,r=0,C=0,I=0,a=1){this.buffer=[t,e,A,Q,s,n,U,F,i,l,d,B,r,C,I,a]}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 X(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 X(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 X(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,s=e.y,n=e.z,U=e.w,F=Q+Q,i=s+s,l=n+n,d=Q*F,B=Q*i,r=Q*l,C=s*i,I=s*l,a=n*l,R=U*F,c=U*i,W=U*l,w=A.x,D=A.y,k=A.z;return new X((1-(C+a))*w,(B+W)*w,(r-c)*w,0,(B-W)*D,(1-(d+a))*D,(I+R)*D,0,(r+c)*k,(I-R)*k,(1-(d+C))*k,0,t.x,t.y,t.z,1)}toString(){return`[${this.buffer.join(", ")}]`}}class Vt extends Event{constructor(t){super("objectAdded"),this.object=t}}class Zt extends Event{constructor(t){super("objectRemoved"),this.object=t}}class mt extends Event{constructor(t){super("objectChanged"),this.object=t}}class st extends it{constructor(){super(),this.positionChanged=!1,this.rotationChanged=!1,this.scaleChanged=!1,this._position=new h,this._rotation=new f,this._scale=new h(1,1,1),this._transform=new X,this._changeEvent=new mt(this),this.update=()=>{},this.applyPosition=()=>{this.position=new h},this.applyRotation=()=>{this.rotation=new f},this.applyScale=()=>{this.scale=new h(1,1,1)},this.raiseChangeEvent=()=>{this.dispatchEvent(this._changeEvent)}}_updateMatrix(){this._transform=X.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,s=1,n=0,U=0,F=0,i=1){this.buffer=[t,e,A,Q,s,n,U,F,i]}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),s=Math.sin(t.y),n=Math.cos(t.z),U=Math.sin(t.z),F=[Q*n+s*A*U,-Q*U+s*A*n,s*e,e*U,e*n,-A,-s*n+Q*A*U,s*U+Q*A*n,Q*e];return new j(...F)}toString(){return`[${this.buffer.join(", ")}]`}}class K{constructor(t=0,e=null,A=null,Q=null,s=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=s||new Uint8Array(0),this._selection=new Uint8Array(this.vertexCount),this.translate=n=>{for(let U=0;U<this.vertexCount;U++)this.positions[3*U+0]+=n.x,this.positions[3*U+1]+=n.y,this.positions[3*U+2]+=n.z;this.changed=!0},this.rotate=n=>{const U=j.RotationFromQuaternion(n).buffer;for(let F=0;F<this.vertexCount;F++){const i=this.positions[3*F+0],l=this.positions[3*F+1],d=this.positions[3*F+2];this.positions[3*F+0]=U[0]*i+U[1]*l+U[2]*d,this.positions[3*F+1]=U[3]*i+U[4]*l+U[5]*d,this.positions[3*F+2]=U[6]*i+U[7]*l+U[8]*d;const B=new f(this.rotations[4*F+1],this.rotations[4*F+2],this.rotations[4*F+3],this.rotations[4*F+0]),r=n.multiply(B);this.rotations[4*F+1]=r.x,this.rotations[4*F+2]=r.y,this.rotations[4*F+3]=r.z,this.rotations[4*F+0]=r.w}this.changed=!0},this.scale=n=>{for(let U=0;U<this.vertexCount;U++)this.positions[3*U+0]*=n.x,this.positions[3*U+1]*=n.y,this.positions[3*U+2]*=n.z,this.scales[3*U+0]*=n.x,this.scales[3*U+1]*=n.y,this.scales[3*U+2]*=n.z;this.changed=!0},this.serialize=()=>{const n=new Uint8Array(this.vertexCount*K.RowLength),U=new Float32Array(n.buffer),F=new Uint8Array(n.buffer);for(let i=0;i<this.vertexCount;i++)U[8*i+0]=this.positions[3*i+0],U[8*i+1]=this.positions[3*i+1],U[8*i+2]=this.positions[3*i+2],F[32*i+24+0]=this.colors[4*i+0],F[32*i+24+1]=this.colors[4*i+1],F[32*i+24+2]=this.colors[4*i+2],F[32*i+24+3]=this.colors[4*i+3],U[8*i+3+0]=this.scales[3*i+0],U[8*i+3+1]=this.scales[3*i+1],U[8*i+3+2]=this.scales[3*i+2],F[32*i+28+0]=this.rotations[4*i+0]*128+128&255,F[32*i+28+1]=this.rotations[4*i+1]*128+128&255,F[32*i+28+2]=this.rotations[4*i+2]*128+128&255,F[32*i+28+3]=this.rotations[4*i+3]*128+128&255;return n},this.reattach=(n,U,F,i,l)=>{console.assert(n.byteLength===this.vertexCount*3*4,`Expected ${this.vertexCount*3*4} bytes, got ${n.byteLength} bytes`),this._positions=new Float32Array(n),this._rotations=new Float32Array(U),this._scales=new Float32Array(F),this._colors=new Uint8Array(i),this._selection=new Uint8Array(l),this.detached=!1}}static{this.RowLength=32}static Deserialize(t){const e=t.length/K.RowLength,A=new Float32Array(3*e),Q=new Float32Array(4*e),s=new Float32Array(3*e),n=new Uint8Array(4*e),U=new Float32Array(t.buffer),F=new Uint8Array(t.buffer);for(let i=0;i<e;i++)A[3*i+0]=U[8*i+0],A[3*i+1]=U[8*i+1],A[3*i+2]=U[8*i+2],Q[4*i+0]=(F[32*i+28+0]-128)/128,Q[4*i+1]=(F[32*i+28+1]-128)/128,Q[4*i+2]=(F[32*i+28+2]-128)/128,Q[4*i+3]=(F[32*i+28+3]-128)/128,s[3*i+0]=U[8*i+3+0],s[3*i+1]=U[8*i+3+1],s[3*i+2]=U[8*i+3+2],n[4*i+0]=F[32*i+24+0],n[4*i+1]=F[32*i+24+1],n[4*i+2]=F[32*i+24+2],n[4*i+3]=F[32*i+24+3];return new K(e,A,Q,s,n)}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 et{static{this.SH_C0=.28209479177387814}static SplatToPLY(t,e){let A=`ply
2format binary_little_endian 1.0
3`;A+=`element vertex ${e}
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Z=x.w,p=x.x,P=x.y,T=x.z;F.setFloat32(d+n*a+0,R,!0),F.setFloat32(d+n*a+4,c,!0),F.setFloat32(d+n*a+8,W,!0),F.setFloat32(d+n*a+B+0,w,!0),F.setFloat32(d+n*a+B+4,D,!0),F.setFloat32(d+n*a+B+8,k,!0),F.setFloat32(d+n*a+r,y,!0),F.setFloat32(d+n*a+C+0,V,!0),F.setFloat32(d+n*a+C+4,_,!0),F.setFloat32(d+n*a+C+8,M,!0),F.setFloat32(d+n*a+I+0,Z,!0),F.setFloat32(d+n*a+I+4,p,!0),F.setFloat32(d+n*a+I+8,P,!0),F.setFloat32(d+n*a+I+12,T,!0)}return F.buffer}}class Qt{constructor(t,e){this.min=t,this.max=e}contains(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y&&t.z>=this.min.z&&t.z<=this.max.z}intersects(t){return this.max.x>=t.min.x&&this.min.x<=t.max.x&&this.max.y>=t.min.y&&this.min.y<=t.max.y&&this.max.z>=t.min.z&&this.min.z<=t.max.z}size(){return this.max.subtract(this.min)}center(){return this.min.add(this.max).divide(2)}expand(t){this.min=this.min.min(t),this.max=this.max.max(t)}permute(){const t=this.min,e=this.max;this.min=new 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Date;t=`splat-${U.getFullYear()}-${U.getMonth()+1}-${U.getDate()}.${e}`}const A=this.clone();A.applyRotation(),A.applyScale(),A.applyPosition();const Q=A.data.serialize();let s;if(e==="ply"){const U=et.SplatToPLY(Q.buffer,A.data.vertexCount);s=new Blob([U],{type:"application/octet-stream"})}else s=new Blob([Q.buffer],{type:"application/octet-stream"});const n=document.createElement("a");n.download=t,n.href=URL.createObjectURL(s),n.click()}get data(){return this._data}get selected(){return this._selected}set selected(t){this._selected!==t&&(this._selected=t,this.selectedChanged=!0,this.dispatchEvent(this._changeEvent))}get colorTransforms(){return this._colorTransforms}get colorTransformsMap(){return this._colorTransformsMap}get bounds(){let t=this._bounds.center();t=t.add(this.position);let e=this._bounds.size();return e=e.multiply(this.scale),new Qt(t.subtract(e.divide(2)),t.add(e.divide(2)))}clone(){const t=new H(this.data.clone());return t.position=this.position.clone(),t.rotation=this.rotation.clone(),t.scale=this.scale.clone(),t}}class ut{constructor(){this._fx=1132,this._fy=1132,this._near=.1,this._far=100,this._width=512,this._height=512,this._projectionMatrix=new X,this._viewMatrix=new X,this._viewProj=new X,this._updateProjectionMatrix=()=>{this._projectionMatrix=new X(2*this.fx/this.width,0,0,0,0,-2*this.fy/this.height,0,0,0,0,this.far/(this.far-this.near),1,0,0,-(this.far*this.near)/(this.far-this.near),0),this._viewProj=this.projectionMatrix.multiply(this.viewMatrix)},this.update=(t,e)=>{const A=j.RotationFromQuaternion(e).buffer,Q=t.flat();this._viewMatrix=new X(A[0],A[1],A[2],0,A[3],A[4],A[5],0,A[6],A[7],A[8],0,-Q[0]*A[0]-Q[1]*A[3]-Q[2]*A[6],-Q[0]*A[1]-Q[1]*A[4]-Q[2]*A[7],-Q[0]*A[2]-Q[1]*A[5]-Q[2]*A[8],1),this._viewProj=this.projectionMatrix.multiply(this.viewMatrix)},this.setSize=(t,e)=>{this._width=t,this._height=e,this._updateProjectionMatrix()}}get fx(){return this._fx}set 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 t=="number"?new v(this.x*t,this.y*t,this.z*t,this.w*t):t instanceof v?new v(this.x*t.x,this.y*t.y,this.z*t.z,this.w*t.w):new v(this.x*t.buffer[0]+this.y*t.buffer[4]+this.z*t.buffer[8]+this.w*t.buffer[12],this.x*t.buffer[1]+this.y*t.buffer[5]+this.z*t.buffer[9]+this.w*t.buffer[13],this.x*t.buffer[2]+this.y*t.buffer[6]+this.z*t.buffer[10]+this.w*t.buffer[14],this.x*t.buffer[3]+this.y*t.buffer[7]+this.z*t.buffer[11]+this.w*t.buffer[15])}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lerp(t,e){return new v(this.x+(t.x-this.x)*e,this.y+(t.y-this.y)*e,this.z+(t.z-this.z)*e,this.w+(t.w-this.w)*e)}magnitude(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}distanceTo(t){return Math.sqrt((this.x-t.x)**2+(this.y-t.y)**2+(this.z-t.z)**2+(this.w-t.w)**2)}normalize(){const t=this.magnitude();return new v(this.x/t,this.y/t,this.z/t,this.w/t)}flat(){return[this.x,this.y,this.z,this.w]}clone(){return new 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BA("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");
  }
  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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Uint8Array(123),S=25;S>=0;--S)o[48+S]=52+S,o[65+S]=S,o[97+S]=26+S;o[43]=62,o[47]=63,e.noExitRuntime&&e.noExitRuntime,e.print&&e.print,e.printErr&&e.printErr,e.wasmBinary&&(n=e.wasmBinary),e.arguments&&e.arguments,e.thisProgram&&e.thisProgram;function N(g){e._pack=g.d,e._malloc=g.e,e._free=g.f}var b={a:T},z=k();function q(){if(r>0){C=q;return}if(l(),r>0){C=q;return}function g(){e.calledRun=!0,d(),e.onRuntimeInitialized?.(),B()}e.setStatus?(e.setStatus("Running..."),setTimeout(()=>{setTimeout(()=>e.setStatus(""),1),g()},1)):g()}function L(){if(e.preInit)for(typeof e.preInit=="function"&&(e.preInit=[e.preInit]);e.preInit.length>0;)e.preInit.shift()()}return L(),q(),t=e,t};const Gt=()=>new Tt;class Ft{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 H&&(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=Gt();const s=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},n=()=>{let B=!1;for(const I of this._splatIndices.keys())if(I.colorTransformChanged){B=!0;break}if(!B)return;const r=[new X];this._colorTransformIndices.fill(0);let C=1;for(const I of this._splatIndices.keys()){const a=this._offsets.get(I);for(const R of I.colorTransforms)r.includes(R)||(r.push(R),C++);for(const R of I.colorTransformsMap.keys()){const c=I.colorTransformsMap.get(R);this._colorTransformIndices[R+a]=c+C-1}I.colorTransformChanged=!1}for(let I=0;I<r.length;I++){const a=r[I];this._colorTransforms.set(a.buffer,I*16)}this.colorTransformsChanged=!0};this._worker.onmessage=B=>{if(B.data.response){const r=B.data.response,C=Q.get(r.offset);s(C),n();const I=this._splatIndices.get(C);for(let a=0;a<C.data.vertexCount;a++)this._transformIndices[r.offset+a]=I;this._data.set(r.data,r.offset*8),C.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(C),C.selectedChanged=!1,this.dataChanged=!0}};let U;async function F(){U=await bt()}F();async function i(){for(;!U;)await new Promise(B=>setTimeout(B,0))}const l=B=>{if(!U){i().then(()=>{l(B)});return}s(B);const r=U._malloc(3*B.data.vertexCount*4),C=U._malloc(4*B.data.vertexCount*4),I=U._malloc(3*B.data.vertexCount*4),a=U._malloc(4*B.data.vertexCount),R=U._malloc(B.data.vertexCount),c=U._malloc(8*B.data.vertexCount*4),W=U._malloc(3*B.data.vertexCount*4),w=U._malloc(4*B.data.vertexCount*4),D=U._malloc(3*B.data.vertexCount*4);U.HEAPF32.set(B.data.positions,r/4),U.HEAPF32.set(B.data.rotations,C/4),U.HEAPF32.set(B.data.scales,I/4),U.HEAPU8.set(B.data.colors,a),U.HEAPU8.set(B.data.selection,R),U._pack(B.selected,B.data.vertexCount,r,C,I,a,R,c,W,w,D);const k=new Uint32Array(U.HEAPU32.buffer,c,B.data.vertexCount*8),u=new Float32Array(U.HEAPF32.buffer,W,B.data.vertexCount*3),y=new Float32Array(U.HEAPF32.buffer,w,B.data.vertexCount*4),V=new Float32Array(U.HEAPF32.buffer,D,B.data.vertexCount*3),_=this._splatIndices.get(B),M=this._offsets.get(B);for(let x=0;x<B.data.vertexCount;x++)this._transformIndices[M+x]=_;this._data.set(k,M*8),this._positions.set(u,M*3),this._rotations.set(y,M*4),this._scales.set(V,M*3),U._free(r),U._free(C),U._free(I),U._free(a),U._free(R),U._free(c),U._free(W),U._free(w),U._free(D),this.dataChanged=!0,this.colorTransformsChanged=!0},d=B=>{if((B.positionChanged||B.rotationChanged||B.scaleChanged||B.selectedChanged)&&s(B),B.colorTransformChanged&&n(),!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[C,I]of this._offsets)if(B>=I)r=C;else break;return r},this.getLocalIndex=(B,r)=>{const C=this._offsets.get(B);return r-C},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())l(B);n()}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 gt{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 xt=()=>new kt,Mt=`#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]));

151class Yt{constructor(t=1){let e=0,A=!1,Q,s,n,U;this.initialize=F=>{if(!(F instanceof Ct))throw new Error("FadeInPass requires a RenderProgram");e=F.started?1:0,A=!0,Q=F,s=F.renderer.gl,n=s.getUniformLocation(Q.program,"useDepthFade"),s.uniform1i(n,1),U=s.getUniformLocation(Q.program,"depthFade"),s.uniform1f(U,e)},this.render=()=>{!A||Q.renderData?.updating||(s.useProgram(Q.program),e=Math.min(e+t*.01,1),e>=1&&(A=!1,s.uniform1i(n,0)),s.uniform1f(U,e))}}dispose(){}}class Kt{constructor(t=null,e=null){this._backgroundColor=new gt;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||[];e||Q.push(new Yt),this._renderProgram=new Ct(this,Q);const s=[this._renderProgram];this.resize=()=>{const n=A.clientWidth,U=A.clientHeight;(A.width!==n||A.height!==U)&&this.setSize(n,U)},this.setSize=(n,U)=>{A.width=n,A.height=U,this._gl.viewport(0,0,A.width,A.height);for(const F of s)F.resize()},this.render=(n,U)=>{for(const F of s)F.render(n,U)},this.dispose=()=>{for(const n of s)n.dispose()},this.addProgram=n=>{s.push(n)},this.removeProgram=n=>{const U=s.indexOf(n);if(U<0)throw new Error("Program not found");s.splice(U,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 vt{constructor(t,e,A=.5,Q=.5,s=5,n=!0,U=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 F=U.clone(),i=F.clone(),l=A,d=Q,B=s,r=!1,C=!1,I=0,a=0,R=0;const c={};let W=!1;const w=()=>{if(W)return;const o=t.rotation.toEuler();l=-o.y,d=-o.x;const S=t.position.x-B*Math.sin(l)*Math.cos(d),N=t.position.y+B*Math.sin(d),b=t.position.z+B*Math.cos(l)*Math.cos(d);i=new h(S,N,b)};t.addEventListener("objectChanged",w),this.setCameraTarget=o=>{const S=o.x-t.position.x,N=o.y-t.position.y,b=o.z-t.position.z;B=Math.sqrt(S*S+N*N+b*b),d=Math.atan2(N,Math.sqrt(S*S+b*b)),l=-Math.atan2(S,b),i=new h(o.x,o.y,o.z)};const D=()=>.1+.9*(B-this.minZoom)/(this.maxZoom-this.minZoom),k=o=>{c[o.code]=!0,o.code==="ArrowUp"&&(c.KeyW=!0),o.code==="ArrowDown"&&(c.KeyS=!0),o.code==="ArrowLeft"&&(c.KeyA=!0),o.code==="ArrowRight"&&(c.KeyD=!0)},u=o=>{c[o.code]=!1,o.code==="ArrowUp"&&(c.KeyW=!1),o.code==="ArrowDown"&&(c.KeyS=!1),o.code==="ArrowLeft"&&(c.KeyA=!1),o.code==="ArrowRight"&&(c.KeyD=!1)},y=o=>{T(o),r=!0,C=o.button===2,a=o.clientX,R=o.clientY,window.addEventListener("mouseup",V)},V=o=>{T(o),r=!1,C=!1,window.removeEventListener("mouseup",V)},_=o=>{if(T(o),!r||!t)return;const S=o.clientX-a,N=o.clientY-R;if(C){const b=D(),z=-S*this.panSpeed*.01*b,q=-N*this.panSpeed*.01*b,L=j.RotationFromQuaternion(t.rotation).buffer,g=new h(L[0],L[3],L[6]),J=new h(L[1],L[4],L[7]);i=i.add(g.multiply(z)),i=i.add(J.multiply(q))}else l-=S*this.orbitSpeed*.003,d+=N*this.orbitSpeed*.003,d=Math.min(Math.max(d,this.minAngle*Math.PI/180),this.maxAngle*Math.PI/180);a=o.clientX,R=o.clientY},M=o=>{T(o);const S=D();B+=o.deltaY*this.zoomSpeed*.025*S,B=Math.min(Math.max(B,this.minZoom),this.maxZoom)},x=o=>{if(T(o),o.touches.length===1)r=!0,C=!1,a=o.touches[0].clientX,R=o.touches[0].clientY,I=0;else if(o.touches.length===2){r=!0,C=!0,a=(o.touches[0].clientX+o.touches[1].clientX)/2,R=(o.touches[0].clientY+o.touches[1].clientY)/2;const S=o.touches[0].clientX-o.touches[1].clientX,N=o.touches[0].clientY-o.touches[1].clientY;I=Math.sqrt(S*S+N*N)}},Z=o=>{T(o),r=!1,C=!1},p=o=>{if(T(o),!(!r||!t))if(C){const S=D(),N=o.touches[0].clientX-o.touches[1].clientX,b=o.touches[0].clientY-o.touches[1].clientY,z=Math.sqrt(N*N+b*b),q=I-z;B+=q*this.zoomSpeed*.1*S,B=Math.min(Math.max(B,this.minZoom),this.maxZoom),I=z;const L=(o.touches[0].clientX+o.touches[1].clientX)/2,g=(o.touches[0].clientY+o.touches[1].clientY)/2,J=L-a,G=g-R,m=j.RotationFromQuaternion(t.rotation).buffer,Y=new h(m[0],m[3],m[6]),O=new h(m[1],m[4],m[7]);i=i.add(Y.multiply(-J*this.panSpeed*.025*S)),i=i.add(O.multiply(-G*this.panSpeed*.025*S)),a=L,R=g}else{const S=o.touches[0].clientX-a,N=o.touches[0].clientY-R;l-=S*this.orbitSpeed*.003,d+=N*this.orbitSpeed*.003,d=Math.min(Math.max(d,this.minAngle*Math.PI/180),this.maxAngle*Math.PI/180),a=o.touches[0].clientX,R=o.touches[0].clientY}},P=(o,S,N)=>(1-N)*o+N*S;this.update=()=>{W=!0,A=P(A,l,this.dampening),Q=P(Q,d,this.dampening),s=P(s,B,this.dampening),F=F.lerp(i,this.dampening);const o=F.x+s*Math.sin(A)*Math.cos(Q),S=F.y-s*Math.sin(Q),N=F.z-s*Math.cos(A)*Math.cos(Q);t.position=new h(o,S,N);const b=F.subtract(t.position).normalize(),z=Math.asin(-b.y),q=Math.atan2(b.x,b.z);t.rotation=f.FromEuler(new h(z,q,0));const L=.025,g=.01,J=j.RotationFromQuaternion(t.rotation).buffer,G=new h(-J[2],-J[5],-J[8]),m=new h(J[0],J[3],J[6]);c.KeyS&&(i=i.add(G.multiply(L))),c.KeyW&&(i=i.subtract(G.multiply(L))),c.KeyA&&(i=i.subtract(m.multiply(L))),c.KeyD&&(i=i.add(m.multiply(L))),c.KeyE&&(l+=g),c.KeyQ&&(l-=g),c.KeyR&&(d+=g),c.KeyF&&(d-=g),W=!1};const T=o=>{o.preventDefault(),o.stopPropagation()};this.dispose=()=>{e.removeEventListener("dragenter",T),e.removeEventListener("dragover",T),e.removeEventListener("dragleave",T),e.removeEventListener("contextmenu",T),e.removeEventListener("mousedown",y),e.removeEventListener("mousemove",_),e.removeEventListener("wheel",M),e.removeEventListener("touchstart",x),e.removeEventListener("touchend",Z),e.removeEventListener("touchmove",p),n&&(window.removeEventListener("keydown",k),window.removeEventListener("keyup",u))},n&&(window.addEventListener("keydown",k),window.addEventListener("keyup",u)),e.addEventListener("dragenter",T),e.addEventListener("dragover",T),e.addEventListener("dragleave",T),e.addEventListener("contextmenu",T),e.addEventListener("mousedown",y),e.addEventListener("mousemove",_),e.addEventListener("wheel",M),e.addEventListener("touchstart",x),e.addEventListener("touchend",Z),e.addEventListener("touchmove",p),this.update()}}var Xt=Et("<canvas></canvas>");function zt(E,t){lt(t,!0);let e=At(()=>t.value.url),A,Q,s,n=null,U,F=Jt(!1),i=null;function l(){if(i!==null&&(cancelAnimationFrame(i),i=null),n!==null&&(n.dispose(),n=null),Q=new Wt,s=new Nt,n=new Kt(A),U=new vt(s,A),U.zoomSpeed=t.zoom_speed,U.panSpeed=t.pan_speed,!t.value)return;let r=!1;const C=async()=>