verge3d/build/v3d.js

Toolkit for creating 3D web interactives

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this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,o=this.z,i=this.w,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*o+r[12]*i,this.y=r[1]*e+r[5]*n+r[9]*o+r[13]*i,this.z=r[2]*e+r[6]*n+r[10]*o+r[14]*i,this.w=r[3]*e+r[7]*n+r[11]*o+r[15]*i,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,o,i;const r=.01,s=.1,a=t.elements,l=a[0],c=a[4],u=a[8],h=a[1],f=a[5],d=a[9],A=a[2],v=a[6],m=a[10];if(Math.abs(c-h)<r&&Math.abs(u-A)<r&&Math.abs(d-v)<r){if(Math.abs(c+h)<s&&Math.abs(u+A)<s&&Math.abs(d+v)<s&&Math.abs(l+f+m-3)<s)return this.set(1,0,0,0),this;e=Math.PI;const t=(l+1)/2,a=(f+1)/2,p=(m+1)/2,g=(c+h)/4,_=(u+A)/4,C=(d+v)/4;return t>a&&t>p?t<r?(n=0,o=.707106781,i=.707106781):(n=Math.sqrt(t),o=g/n,i=_/n):a>p?a<r?(n=.707106781,o=0,i=.707106781):(o=Math.sqrt(a),n=g/o,i=C/o):p<r?(n=.707106781,o=.707106781,i=0):(i=Math.sqrt(p),n=_/i,o=C/i),this.set(n,o,i,e),this}let p=Math.sqrt((v-d)*(v-d)+(u-A)*(u-A)+(h-c)*(h-c));return Math.abs(p)<.001&&(p=1),this.x=(v-d)/p,this.y=(u-A)/p,this.z=(h-c)/p,this.w=Math.acos((l+f+m-1)/2),this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this.w=Math.max(t,Math.min(e,this.w)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return 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,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this.w=t.w+(e.w-t.w)*n,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class on extends Kt{constructor(t=1,e=1,n={}){super(),this.isWebGLRenderTarget=!0,this.width=t,this.height=e,this.depth=1,this.scissor=new nn(0,0,t,e),this.scissorTest=!1,this.viewport=new nn(0,0,t,e);const o={width:t,height:e,depth:1};this.texture=new en(o,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.internalFormat=void 0!==n.internalFormat?n.internalFormat:null,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:T,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null,this.samples=void 0!==n.samples?n.samples:0}setSize(t,e,n=1){this.width===t&&this.height===e&&this.depth===n||(this.width=t,this.height=e,this.depth=n,this.texture.image.width=t,this.texture.image.height=e,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.viewport.copy(t.viewport),this.texture=t.texture.clone(),this.texture.isRenderTargetTexture=!0;const e=Object.assign({},t.texture.image);return this.texture.source=new $e(e),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class rn extends en{constructor(t=null,e=1,n=1,o=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:n,depth:o},this.magFilter=b,this.minFilter=b,this.wrapR=M,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class sn extends en{constructor(t=null,e=1,n=1,o=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:n,depth:o},this.magFilter=b,this.minFilter=b,this.wrapR=M,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class an extends on{constructor(t=1,e=1,n=1,o={}){super(t,e,o),this.isWebGLMultipleRenderTargets=!0;const i=this.texture;this.texture=[];for(let t=0;t<n;t++)this.texture[t]=i.clone(),this.texture[t].isRenderTargetTexture=!0}setSize(t,e,n=1){if(this.width!==t||this.height!==e||this.depth!==n){this.width=t,this.height=e,this.depth=n;for(let o=0,i=this.texture.length;o<i;o++)this.texture[o].image.width=t,this.texture[o].image.height=e,this.texture[o].image.depth=n;this.dispose()}return this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e),this}copy(t){this.dispose(),this.width=t.width,this.height=t.height,this.depth=t.depth,this.viewport.set(0,0,this.width,this.height),this.scissor.set(0,0,this.width,this.height),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.texture.length=0;for(let e=0,n=t.texture.length;e<n;e++)this.texture[e]=t.texture[e].clone(),this.texture[e].isRenderTargetTexture=!0;return this}}class ln{constructor(t=0,e=0,n=0,o=1){this.isQuaternion=!0,this._=t,this.$=e,this.tt=n,this.et=o}static slerpFlat(t,e,n,o,i,r,s){let a=n[o+0],l=n[o+1],c=n[o+2],u=n[o+3];const h=i[r+0],f=i[r+1],d=i[r+2],A=i[r+3];if(0===s)return t[e+0]=a,t[e+1]=l,t[e+2]=c,void(t[e+3]=u);if(1===s)return t[e+0]=h,t[e+1]=f,t[e+2]=d,void(t[e+3]=A);if(u!==A||a!==h||l!==f||c!==d){let t=1-s;const e=a*h+l*f+c*d+u*A,n=e>=0?1:-1,o=1-e*e;if(o>Number.EPSILON){const i=Math.sqrt(o),r=Math.atan2(i,e*n);t=Math.sin(t*r)/i,s=Math.sin(s*r)/i}const i=s*n;if(a=a*t+h*i,l=l*t+f*i,c=c*t+d*i,u=u*t+A*i,t===1-s){const t=1/Math.sqrt(a*a+l*l+c*c+u*u);a*=t,l*=t,c*=t,u*=t}}t[e]=a,t[e+1]=l,t[e+2]=c,t[e+3]=u}static multiplyQuaternionsFlat(t,e,n,o,i,r){const s=n[o],a=n[o+1],l=n[o+2],c=n[o+3],u=i[r],h=i[r+1],f=i[r+2],d=i[r+3];return t[e]=s*d+c*u+a*f-l*h,t[e+1]=a*d+c*h+l*u-s*f,t[e+2]=l*d+c*f+s*h-a*u,t[e+3]=c*d-s*u-a*h-l*f,t}get x(){return this._}set x(t){this._=t,this.nt()}get y(){return this.$}set y(t){this.$=t,this.nt()}get z(){return this.tt}set z(t){this.tt=t,this.nt()}get w(){return this.et}set w(t){this.et=t,this.nt()}set(t,e,n,o){return this._=t,this.$=e,this.tt=n,this.et=o,this.nt(),this}clone(){return new this.constructor(this._,this.$,this.tt,this.et)}copy(t){return this._=t.x,this.$=t.y,this.tt=t.z,this.et=t.w,this.nt(),this}setFromEuler(t,e){const n=t._,o=t.$,i=t.tt,r=t.ot,s=Math.cos,a=Math.sin,l=s(n/2),c=s(o/2),u=s(i/2),h=a(n/2),f=a(o/2),d=a(i/2);switch(r){case"XYZ":this._=h*c*u+l*f*d,this.$=l*f*u-h*c*d,this.tt=l*c*d+h*f*u,this.et=l*c*u-h*f*d;break;case"YXZ":this._=h*c*u+l*f*d,this.$=l*f*u-h*c*d,this.tt=l*c*d-h*f*u,this.et=l*c*u+h*f*d;break;case"ZXY":this._=h*c*u-l*f*d,this.$=l*f*u+h*c*d,this.tt=l*c*d+h*f*u,this.et=l*c*u-h*f*d;break;case"ZYX":this._=h*c*u-l*f*d,this.$=l*f*u+h*c*d,this.tt=l*c*d-h*f*u,this.et=l*c*u+h*f*d;break;case"YZX":this._=h*c*u+l*f*d,this.$=l*f*u+h*c*d,this.tt=l*c*d-h*f*u,this.et=l*c*u-h*f*d;break;case"XZY":this._=h*c*u-l*f*d,this.$=l*f*u-h*c*d,this.tt=l*c*d+h*f*u,this.et=l*c*u+h*f*d;break;default:console.warn("v3d.Quaternion: .setFromEuler() encountered an unknown order: "+r)}return!1!==e&&this.nt(),this}setFromAxisAngle(t,e){const n=e/2,o=Math.sin(n);return this._=t.x*o,this.$=t.y*o,this.tt=t.z*o,this.et=Math.cos(n),this.nt(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],o=e[4],i=e[8],r=e[1],s=e[5],a=e[9],l=e[2],c=e[6],u=e[10],h=n+s+u;if(h>0){const t=.5/Math.sqrt(h+1);this.et=.25/t,this._=(c-a)*t,this.$=(i-l)*t,this.tt=(r-o)*t}else if(n>s&&n>u){const t=2*Math.sqrt(1+n-s-u);this.et=(c-a)/t,this._=.25*t,this.$=(o+r)/t,this.tt=(i+l)/t}else if(s>u){const t=2*Math.sqrt(1+s-n-u);this.et=(i-l)/t,this._=(o+r)/t,this.$=.25*t,this.tt=(a+c)/t}else{const t=2*Math.sqrt(1+u-n-s);this.et=(r-o)/t,this._=(i+l)/t,this.$=(a+c)/t,this.tt=.25*t}return this.nt(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return n<Number.EPSILON?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._=-t.y,this.$=t.x,this.tt=0,this.et=n):(this._=0,this.$=-t.z,this.tt=t.y,this.et=n)):(this._=t.y*e.z-t.z*e.y,this.$=t.z*e.x-t.x*e.z,this.tt=t.x*e.y-t.y*e.x,this.et=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(ne(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const o=Math.min(1,e/n);return this.slerp(t,o),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._*=-1,this.$*=-1,this.tt*=-1,this.nt(),this}dot(t){return this._*t._+this.$*t.$+this.tt*t.tt+this.et*t.et}lengthSq(){return this._*this._+this.$*this.$+this.tt*this.tt+this.et*this.et}length(){return Math.sqrt(this._*this._+this.$*this.$+this.tt*this.tt+this.et*this.et)}normalize(){let t=this.length();return 0===t?(this._=0,this.$=0,this.tt=0,this.et=1):(t=1/t,this._=this._*t,this.$=this.$*t,this.tt=this.tt*t,this.et=this.et*t),this.nt(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._,o=t.$,i=t.tt,r=t.et,s=e._,a=e.$,l=e.tt,c=e.et;return this._=n*c+r*s+o*l-i*a,this.$=o*c+r*a+i*s-n*l,this.tt=i*c+r*l+n*a-o*s,this.et=r*c-n*s-o*a-i*l,this.nt(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._,o=this.$,i=this.tt,r=this.et;let s=r*t.et+n*t._+o*t.$+i*t.tt;if(s<0?(this.et=-t.et,this._=-t._,this.$=-t.$,this.tt=-t.tt,s=-s):this.copy(t),s>=1)return this.et=r,this._=n,this.$=o,this.tt=i,this;const a=1-s*s;if(a<=Number.EPSILON){const t=1-e;return this.et=t*r+e*this.et,this._=t*n+e*this._,this.$=t*o+e*this.$,this.tt=t*i+e*this.tt,this.normalize(),this.nt(),this}const l=Math.sqrt(a),c=Math.atan2(l,s),u=Math.sin((1-e)*c)/l,h=Math.sin(e*c)/l;return this.et=r*u+this.et*h,this._=n*u+this._*h,this.$=o*u+this.$*h,this.tt=i*u+this.tt*h,this.nt(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=Math.random(),e=Math.sqrt(1-t),n=Math.sqrt(t),o=2*Math.PI*Math.random(),i=2*Math.PI*Math.random();return this.set(e*Math.cos(o),n*Math.sin(i),n*Math.cos(i),e*Math.sin(o))}equals(t){return t._===this._&&t.$===this.$&&t.tt===this.tt&&t.et===this.et}fromArray(t,e=0){return this._=t[e],this.$=t[e+1],this.tt=t[e+2],this.et=t[e+3],this.nt(),this}toArray(t=[],e=0){return t[e]=this._,t[e+1]=this.$,t[e+2]=this.tt,t[e+3]=this.et,t}fromBufferAttribute(t,e){return this._=t.getX(e),this.$=t.getY(e),this.tt=t.getZ(e),this.et=t.getW(e),this}it(t){return this.nt=t,this}nt(){}*[Symbol.iterator](){yield this._,yield this.$,yield this.tt,yield this.et}}class cn{constructor(t=0,e=0,n=0){cn.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(hn.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(hn.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,o=this.z,i=t.elements;return this.x=i[0]*e+i[3]*n+i[6]*o,this.y=i[1]*e+i[4]*n+i[7]*o,this.z=i[2]*e+i[5]*n+i[8]*o,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,o=this.z,i=t.elements,r=1/(i[3]*e+i[7]*n+i[11]*o+i[15]);return this.x=(i[0]*e+i[4]*n+i[8]*o+i[12])*r,this.y=(i[1]*e+i[5]*n+i[9]*o+i[13])*r,this.z=(i[2]*e+i[6]*n+i[10]*o+i[14])*r,this}applyQuaternion(t){const e=this.x,n=this.y,o=this.z,i=t.x,r=t.y,s=t.z,a=t.w,l=a*e+r*o-s*n,c=a*n+s*e-i*o,u=a*o+i*n-r*e,h=-i*e-r*n-s*o;return this.x=l*a+h*-i+c*-s-u*-r,this.y=c*a+h*-r+u*-i-l*-s,this.z=u*a+h*-s+l*-r-c*-i,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,o=this.z,i=t.elements;return this.x=i[0]*e+i[4]*n+i[8]*o,this.y=i[1]*e+i[5]*n+i[9]*o,this.z=i[2]*e+i[6]*n+i[10]*o,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,o=t.y,i=t.z,r=e.x,s=e.y,a=e.z;return this.x=o*a-i*s,this.y=i*r-n*a,this.z=n*s-o*r,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return un.copy(this).projectOnVector(t),this.sub(un)}reflect(t){return this.sub(un.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(ne(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,o=this.z-t.z;return e*e+n*n+o*o}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const o=Math.sin(e)*t;return this.x=o*Math.sin(n),this.y=Math.cos(e)*t,this.z=o*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),o=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=o,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._,this.y=t.$,this.z=t.tt,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=2*(Math.random()-.5),e=Math.random()*Math.PI*2,n=Math.sqrt(1-t**2);return this.x=n*Math.cos(e),this.y=n*Math.sin(e),this.z=t,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const un=new cn,hn=new ln;class fn{constructor(t=new cn(1/0,1/0,1/0),e=new cn(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){let e=1/0,n=1/0,o=1/0,i=-1/0,r=-1/0,s=-1/0;for(let a=0,l=t.length;a<l;a+=3){const l=t[a],c=t[a+1],u=t[a+2];l<e&&(e=l),c<n&&(n=c),u<o&&(o=u),l>i&&(i=l),c>r&&(r=c),u>s&&(s=u)}return this.min.set(e,n,o),this.max.set(i,r,s),this}setFromBufferAttribute(t){let e=1/0,n=1/0,o=1/0,i=-1/0,r=-1/0,s=-1/0;for(let a=0,l=t.count;a<l;a++){const l=t.getX(a),c=t.getY(a),u=t.getZ(a);l<e&&(e=l),c<n&&(n=c),u<o&&(o=u),l>i&&(i=l),c>r&&(r=c),u>s&&(s=u)}return this.min.set(e,n,o),this.max.set(i,r,s),this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=An.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const n=t.geometry;if(void 0!==n)if(e&&null!=n.attributes&&void 0!==n.attributes.position){const e=n.attributes.position;for(let n=0,o=e.count;n<o;n++)An.fromBufferAttribute(e,n).applyMatrix4(t.matrixWorld),this.ex