ath.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=ne(this.x,t.x,e.x),this.y=ne(this.y,t.y,e.y),this.z=ne(this.z,t.z,e.z),this}clampScalar(t,e){return this.x=ne(this.x,t,e),this.y=ne(this.y,t,e),this.z=ne(this.z,t,e),this}clampLength(t,e){let n=this.length();return this.divideScalar(n||1).multiplyScalar(ne(n,t,e))}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=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(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){let{x:n,y:i,z:s}=t,{x:a,y:r,z:o}=e;return this.x=i*o-s*r,this.y=s*a-n*o,this.z=n*r-i*a,this}projectOnVector(t){let e=t.lengthSq();if(e===0)return this.set(0,0,0);let n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return im.copy(this).projectOnVector(t),this.sub(im)}reflect(t){return this.sub(im.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){let e=Math.sqrt(this.lengthSq()*t.lengthSq());if(e===0)return Math.PI/2;let n=this.dot(t)/e;return Math.acos(ne(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){let e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}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){let i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*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){let e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){let e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,e*4)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,e*3)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,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(){let t=Math.random()*Math.PI*2,e=Math.random()*2-1,n=Math.sqrt(1-e*e);return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}var im=new C,ib=new Qn;class qt{constructor(t,e,n,i,s,a,r,o,l){if(qt.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],t!==void 0)this.set(t,e,n,i,s,a,r,o,l)}set(t,e,n,i,s,a,r,o,l){let c=this.elements;return c[0]=t,c[1]=i,c[2]=r,c[3]=e,c[4]=s,c[5]=o,c[6]=n,c[7]=a,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){let e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){let e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){let n=t.elements,i=e.elements,s=this.elements,a=n[0],r=n[3],o=n[6],l=n[1],c=n[4],u=n[7],f=n[2],h=n[5],p=n[8],v=i[0],y=i[3],U=i[6],d=i[1],g=i[4],m=i[7],x=i[2],S=i[5],A=i[8];return s[0]=a*v+r*d+o*x,s[3]=a*y+r*g+o*S,s[6]=a*U+r*m+o*A,s[1]=l*v+c*d+u*x,s[4]=l*y+c*g+u*S,s[7]=l*U+c*m+u*A,s[2]=f*v+h*d+p*x,s[5]=f*y+h*g+p*S,s[8]=f*U+h*m+p*A,this}multiplyScalar(t){let e=this.elemen