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y=o*u,p=o*c,x=h*u,v=h*c;i[0]=y+v*a,i[4]=x*a-p,i[8]=s*h,i[1]=s*c,i[5]=s*u,i[9]=-a,i[2]=p*a-x,i[6]=v+y*a,i[10]=s*o}else if("ZXY"===t.order){var y=o*u,p=o*c,x=h*u,v=h*c;i[0]=y-v*a,i[4]=-s*c,i[8]=x+p*a,i[1]=p+x*a,i[5]=s*u,i[9]=v-y*a,i[2]=-s*h,i[6]=a,i[10]=s*o}else if("ZYX"===t.order){var l=s*u,d=s*c,f=a*u,m=a*c;i[0]=o*u,i[4]=f*h-d,i[8]=l*h+m,i[1]=o*c,i[5]=m*h+l,i[9]=d*h-f,i[2]=-h,i[6]=a*o,i[10]=s*o}else if("YZX"===t.order){var g=s*o,b=s*h,w=a*o,M=a*h;i[0]=o*u,i[4]=M-g*c,i[8]=w*c+b,i[1]=c,i[5]=s*u,i[9]=-a*u,i[2]=-h*u,i[6]=b*c+w,i[10]=g-M*c}else if("XZY"===t.order){var g=s*o,b=s*h,w=a*o,M=a*h;i[0]=o*u,i[4]=-c,i[8]=h*u,i[1]=g*c+M,i[5]=s*u,i[9]=b*c-w,i[2]=w*c-b,i[6]=a*u,i[10]=M*c+g}return i[3]=0,i[7]=0,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,this},makeRotationFromQuaternion:function(t){var i=this.elements,e=t._x,r=t._y,n=t._z,s=t._w,a=e+e,o=r+r,h=n+n,u=e*a,c=e*o,l=e*h,d=r*o,f=r*h,m=n*h,y=s*a,p=s*o,x=s*h;return i[0]=1-(d+m),i[4]=c-x,i[8]=l+p,i[1]=c+x,i[5]=1-(u+m),i[9]=f-y,i[2]=l-p,i[6]=f+y,i[10]=1-(u+d),i[3]=0,i[7]=0,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,this},lookAt:function(){var t=new r,i=new r,e=new r;return function(r,n,s){var a=this.elements;return e.subVectors(r,n),0===e.lengthSq()&&(e.z=1),e.normalize(),t.crossVectors(s,e),0===t.lengthSq()&&(1===Math.abs(s.z)?e.x+=1e-4:e.z+=1e-4,e.normalize(),t.crossVectors(s,e)),t.normalize(),i.crossVectors(e,t),a[0]=t.x,a[4]=i.x,a[8]=e.x,a[1]=t.y,a[5]=i.y,a[9]=e.y,a[2]=t.z,a[6]=i.z,a[10]=e.z,this}}(),multiply:function(t,i){return void 0!==i?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(t,i)):this.multiplyMatrices(this,t)},premultiply:function(t){return this.multiplyMatrices(t,this)},multiplyMatrices:function(t,i){var e=t.elements,r=i.elements,n=this.elements,s=e[0],a=e[4],o=e[8],h=e[12],u=e[1],c=e[5],l=e[9],d=e[13],f=e[2],m=e[6],y=e[10],p=e[14],x=e[3],v=e[7],g=e[11],b=e[15],w=r[0],M=r[4],z=r[8],_=r[12],A=r[1],S=r[5],N=r[9],k=r[13],E=r[2],U=r[6],V=r[10],B=r[14],C=r[3],T=r[7],O=r[11],F=r[15];return n[0]=s*w+a*A+o*E+h*C,n[4]=s*M+a*S+o*U+h*T,n[8]=s*z+a*N+o*V+h*O,n[12]=s*_+a*k+o*B+h*F,n[1]=u*w+c*A+l*E+d*C,n[5]=u*M+c*S+l*U+d*T,n[9]=u*z+c*N+l*V+d*O,n[13]=u*_+c*k+l*B+d*F,n[2]=f*w+m*A+y*E+p*C,n[6]=f*M+m*S+y*U+p*T,n[10]=f*z+m*N+y*V+p*O,n[14]=f*_+m*k+y*B+p*F,n[3]=x*w+v*A+g*E+b*C,n[7]=x*M+v*S+g*U+b*T,n[11]=x*z+v*N+g*V+b*O,n[15]=x*_+v*k+g*B+b*F,this},multiplyScalar:function(t){var i=this.elements;return i[0]*=t,i[4]*=t,i[8]*=t,i[12]*=t,i[1]*=t,i[5]*=t,i[9]*=t,i[13]*=t,i[2]*=t,i[6]*=t,i[10]*=t,i[14]*=t,i[3]*=t,i[7]*=t,i[11]*=t,i[15]*=t,this},applyToBufferAttribute:function(){var t=new r;return function(i){for(var e=0,r=i.count;e<r;e++)t.x=i.getX(e),t.y=i.getY(e),t.z=i.getZ(e),t.applyMatrix4(this),i.setXYZ(e,t.x,t.y,t.z);return i}}(),determinant:function(){var t=this.elements,i=t[0],e=t[4],r=t[8],n=t[12],s=t[1],a=t[5],o=t[9],h=t[13],u=t[2],c=t[6],l=t[10],d=t[14];return t[3]*(+n*o*c-r*h*c-n*a*l+e*h*l+r*a*d-e*o*d)+t[7]*(+i*o*d-i*h*l+n*s*l-r*s*d+r*h*u-n*o*u)+t[11]*(+i*h*c-i*a*d-n*s*c+e*s*d+n*a*u-e*h*u)+t[15]*(-r*a*u-i*o*c+i*a*l+r*s*c-e*s*l+e*o*u)},transpose:function(){var t,i=this.elements;return t=i[1],i[1]=i[4],i[4]=t,t=i[2],i[2]=i[8],i[8]=t,t=i[6],i[6]=i[9],i[9]=t,t=i[3],i[3]=i[12],i[12]=t,t=i[7],i[7]=i[13],i[13]=t,t=i[11],i[11]=i[14],i[14]=t,this},setPosition:function(t){var i=this.elements;return i[12]=t.x,i[13]=t.y,i[14]=t.z,this},getInverse:function(t,i){var e=this.elements,r=t.elements,n=r[0],s=r[1],a=r[2],o=r[3],h=r[4],u=r[5],c=r[6],l=r[7],d=r[8],f=r[9],m=r[10],y=r[11],p=r[12],x=r[13],v=r[14],g=r[15],b=f*v*l-x*m*l+x*c*y-u*v*y-f*c*g+u*m*g,w=p*m*l-d*v*l-p*c*y+h*v*y+d*c*g-h*m*g,M=d*x*l-p*f*l+p*u*y-h*x*y-d*u*g+h*f*g,z=p*f*c-d*x*c-p*u*m+h*x*m+d*u*v-h*f*v,_=n*b+s*w+a*M+o*z;if(0===_){var A="THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0";if(!0===i)throw new Error(A);return console.warn(A),this.identity()}var S=1/_;return e[0]=b*S,e[1]=(x*m*o-f*v*o-x*a*y+s*v*y+f*a*g-s*m*g)*S,e[2]=(u*v*o-x*c*o+x*a*l-s*v*l-u*a*g+s*c*g)*S,e[3]=(f*c*o-u*m*o-f*a*l+s*m*l+u*a*y-s*c*y)*S,e[4]=w*S,e[5]=(d*v*o-p*m*o+p*a*y-n*v*y-d*a*g+n*m*g)*S,e[6]=(p*c*o-h*v*o-p*a*l+n*v*l+h*a*g-n*c*g)*S,e[7]=(h*m*o-d*c*o+d*a*l-n*m*l-h*a*y+n*c*y)*S,e[8]=M*S,e[9]=(p*f*o-d*x*o-p*s*y+n*x*y+d*s*g-n*f*g)*S,e[10]=(h*x*o-p*u*o+p*s*l-n*x*l-h*s*g+n*u*g)*S,e[11]=(d*u*o-h*f*o-d*s*l+n*f*l+h*s*y-n*u*y)*S,e[12]=z*S,e[13]=(d*x*a-p*f*a+p*s*m-n*x*m-d*s*v+n*f*v)*S,e[14]=(p*u*a-h*x*a-p*s*c+n*x*c+h*s*v-n*u*v)*S,e[15]=(h*f*a-d*u*a+d*s*c-n*f*c-h*s*m+n*u*m)*S,this},scale:function(t){var i=this.elements,e=t.x,r=t.y,n=t.z;return i[0]*=e,i[4]*=r,i[8]*=n,i[1]*=e,i[5]*=r,i[9]*=n,i[2]*=e,i[6]*=r,i[10]*=n,i[3]*=e,i[7]*=r,i[11]*=n,this},getMaxScaleOnAxis:function(){var t=this.elements,i=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],e=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],r=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(i,e,r))},makeTranslation:function(t,i,e){return this.set(1,0,0,t,0,1,0,i,0,0,1,e,0,0,0,1),this},makeRotationX:function(t){var i=Math.cos(t),e=Math.sin(t);return this.set(1,0,0,0,0,i,-e,0,0,e,i,0,0,0,0,1),this},makeRotationY:function(t){var i=Math.cos(t),e=Math.sin(t);return this.set(i,0,e,0,0,1,0,0,-e,0,i,0,0,0,0,1),this},makeRotationZ:function(t){var i=Math.cos(t),e=Math.sin(t);return this.set(i,-e,0,0,e,i,0,0,0,0,1,0,0,0,0,1),this},makeRotationAxis:function(t,i){var e=Math.cos(i),r=Math.sin(i),n=1-e,s=t.x,a=t.y,o=t.z,h=n*s,u=n*a;return this.set(h*s+e,h*a-r*o,h*o+r*a,0,h*a+r*o,u*a+e,u*o-r*s,0,h*o-r*a,u*o+r*s,n*o*o+e,0,0,0,0,1),this},makeScale:function(t,i,e){return this.set(t,0,0,0,0,i,0,0,0,0,e,0,0,0,0,1),this},makeShear:function(t,i,e){return this.set(1,i,e,0,t,1,e,0,t,i,1,0,0,0,0,1),this},compose:function(t,i,e){return this.makeRotationFromQuaternion(i),this.scale(e),this.setPosition(t),this},decompose:function(){var t=new r,e=new i;return function(i,r,n){var s=this.elements,a=t.set(s[0],s[1],s[2]).length(),o=t.set(s[4],s[5],s[6]).length(),h=t.set(s[8],s[9],s[10]).length();this.determinant()<0&&(a=-a),i.x=s[12],i.y=s[13],i.z=s[14],e.copy(this);var u=1/a,c=1/o,l=1/h;return e.elements[0]*=u,e.elements[1]*=u,e.elements[2]*=u,e.elements[4]*=c,e.elements[5]*=c,e.elements[6]*=c,e.elements[8]*=l,e.elements[9]*=l,e.elements[10]*=l,r.setFromRotationMatrix(e),n.x=a,n.y=o,n.z=h,this}}(),makePerspective:function(t,i,e,r,n,s){void 0===s&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");var a=this.elements,o=2*n/(i-t),h=2*n/(e-r),u=(i+t)/(i-t),c=(e+r)/(e-r),l=-(s+n)/(s-n),d=-2*s*n/(s-n);return a[0]=o,a[4]=0,a[8]=u,a[12]=0,a[1]=0,a[5]=h,a[9]=c,a[13]=0,a[2]=0,a[6]=0,a[10]=l,a[14]=d,a[3]=0,a[7]=0,a[11]=-1,a[15]=0,this},makeOrthographic:function(t,i,e,r,n,s){var a=this.elements,o=1/(i-t),h=1/(e-r),u=1/(s-n),c=(i+t)*o,l=(e+r)*h,d=(s+n)*u;return a[0]=2*o,a[4]=0,a[8]=0,a[12]=-c,a[1]=0,a[5]=2*h,a[9]=0,a[13]=-l,a[2]=0,a[6]=0,a[10]=-2*u,a[14]=-d,a[3]=0,a[7]=0,a[11]=0,a[15]=1,this},equals:function(t){for(var i=this.elements,e=t.elements,r=0;r<16;r++)if(i[r]!==e[r])return!1;return!0},fromArray:function(t,i){void 0===i&&(i=0);for(var e=0;e<16;e++)this.elements[e]=t[e+i];return this},toArray:function(t,i){void 0===t&&(t=[]),void 0===i&&(i=0);var e=this.elements;return t[i]=e[0],t[i+1]=e[1],t[i+2]=e[2],t[i+3]=e[3],t[i+4]=e[4],t[i+5]=e[5],t[i+6]=e[6],t[i+7]=e[7],t[i+8]=e[8],t[i+9]=e[9],t[i+10]=e[10],t[i+11]=e[11],t[i+12]=e[12],t[i+13]=e[13],t[i+14]=e[14],t[i+15]=e[15],t}}),Object.assign(e,{slerp:function(t,i,e,r){return e.copy(t).slerp(i,r)},slerpFlat:function(t,i,e,r,n,s,a){var o=e[r+0],h=e[r+1],u=e[r+2],c=e[r+3],l=n[s+0],d=n[s+1],f=n[s+2],m=n[s+3];if(c!==m||o!==l||h!==d||u!==f){var y=1-a,p=o*l+h*d+u*f+c*m,x=p>=0?1:-1,v=1-p*p;if(v>Number.EPSILON){var g=Math.sqrt(v),b=Math.atan2(g,p*x);y=Math.sin(y*b)/g,a=Math.sin(a*b)/g}var w=a*x;if(o=o*y+l*w,h=h*y+d*w,u=u*y+f*w,c=c*y+m*w,y===1-a){var M=1/Math.sqrt(o*o+h*h+u*u+c*c);o*=M,h*=M,u*=M,c*=M}}t[i]=o,t[i+1]=h,t[i+2]=u,t[i+3]=c}}),Object.defineProperties(e.prototype,{x:{get:function(){return this._x},set:function(t){this._x=t,this.onChangeCallback()}},y:{get:function(){return this._y},set:function(t){this._y=t,this.onChangeCallback()}},z:{get:function(){return this._z},set:function(t){this._z=t,this.onChangeCallback()}},w:{get:function(){return this._w},set:function(t){this._w=t,this.onChangeCallback()}}}),Object.assign(e.prototype,{set:function(t,i,e,r){return this._x=t,this._y=i,this._z=e,this._w=r,this.onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},copy:function(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this.onChangeCallback(),this},setFromEuler:function(t,i){if(!t||!t.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var e=t._x,r=t._y,n=t._z,s=t.order,a=Math.cos,o=Math.sin,h=a(e/2),u=a(r/2),c=a(n/2),l=o(e/2),d=o(r/2),f=o(n/2);return"XYZ"===s?(this._x=l*u*c+h*d*f,this._y=h*d*c-l*u*f,this._z=h*u*f+l*d*c,this._w=h*u*c-l*d*f):"YXZ"===s?(this._x=l*u*c+h*d*f,this._y=h*d*c-l*u*f,this._z=h*u*f-l*d*c,this._w=h*u*c+l*d*f):"ZXY"===s?(this._x=l*u*c-h*d*f,this._y=h*d*c+l*u*f,this._z=h*u*f+l*d*c,this._w=h*u*c-l*d*f):"ZYX"===s?(this._x=l*u*c-h*d*f,this._y=h*d*c+l*u*f,this._z=h*u*f-l*d*c,this._w=h*u*c+l*d*f):"YZX"===s?(this._x=l*u*c+h*d*f,this._y=h*d*c+l*u*f,this._z=h*u*f-l*d*c,this._w=h*u*c-l*d*f):"XZY"===s&&(this._x=l*u*c-h*d*f,this._y=h*d*c-l*u*f,this._z=h*u*f+l*d*c,this._w=h*u*c+l*d*f),!1!==i&&this.onChangeCallback(),this},setFromAxisAngle:function(t,i){var e=i/2,r=Math.sin(e);return this._x=t.x*r,this._y=t.y*r,this._z=t.z*r,this._w=Math.cos(e),this.onChangeCallback(),this},setFromRotationMatrix:function(t){var i,e=t.elements,r=e[0],n=e[4],s=e[8],a=e[1],o=e[5],h=e[9],u=e[2],c=e[6],l=e[10],d=r+o+l;return d>0?(i=.5/Math.sqrt(d+1),this._w=.25/i,this._x=(c-h)*i,this._y=(s-u)*i,this._z=(a-n)*i):r>o&&r>l?(i=2*Math.sqrt(1+r-o-l),this._w=(c-h)/i,this._x=.25*i,this._y=(n+a)/i,this._z=(s+u)/i):o>l?(i=2*Math.sqrt(1+o-r-l),this._w=(s-u)/i,this._x=(n+a)/i,this._y=.25*i,this._z=(h+c)/i):(i=2*Math.sqrt(1+l-r-o),this._w=(a-n)/i,this._x=(s+u)/i,this._y=(h+c)/i,this._z=.25*i),this.onChangeCallback(),this},setFromUnitVectors:function(){var t,i=new r;return function(e,n){return void 0===i&&(i=new r),t=e.dot(n)+1,t<1e-6?(t=0,Math.abs(e.x)>Math.abs(e.z)?i.set(-e.y,e.x,0):i.set(0,-e.z,e.y)):i.crossVectors(e,n),this._x=i.x,this._y=i.y,this._z=i.z,this._w=t,this.normalize()}}(),inverse:function(){return this.conjugate().normalize()},conjugate:function(){return this._x*=-1,this._y*=-1,this._z*=-1,this.onChangeCallback(),this},dot:function(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w},lengthSq:function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},length:function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},normalize:function(){var t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this.onChangeCallback(),this},multiply:function(t,i){return void 0!==i?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(t,i)):this.multiplyQuaternions(this,t)},premultiply:function(t){return this.multiplyQuaternions(t,this)},multiplyQuaternions:function(t,i){var e=t._x,r=t._y,n=t._z,s=t._w,a=i._x,o=i._y,h=i._z,u=i._w;return this._x=e*u+s*a+r*h-n*o,this._y=r*u+s*o+n*a-e*h,this._z=n*u+s*h+e*o-r*a,this._w=s*u-e*a-r*o-n*h,this.onChangeCallback(),this},slerp:function(t,i){if(0===i)return this;if(1===i)return this.copy(t);var e=this._x,r=this._y,n=this._z,s=this._w,a=s*t._w+e*t._x+r*t._y+n*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=e,this._y=r,this._z=n,this;var o=Math.sqrt(1-a*a);if(Math.abs(o)<.001)return this._w=.5*(s+this._w),this._x=.5*(e+this._x),this._y=.5*(r+this._y),this._z=.5*(n+this._z),this;var h=Math.atan2(o,a),u=Math.sin((1-i)*h)/o,c=Math.sin(i*h)/o;return this._w=s*u+this._w*c,this._x=e*u+this._x*c,this._y=r*u+this._y*c,this._z=n*u+this._z*c,this.onChangeCallback(),this},equals:function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w},fromArray:function(t,i){return void 0===i&&(i=0),this._x=t[i],this._y=t[i+1],this._z=t[i+2],this._w=t[i+3],this.onChangeCallback(),this},toArray:function(t,i){return void 0===t&&(t=[]),void 0===i&&(i=0),t[i]=this._x,t[i+1]=this._y,t[i+2]=this._z,t[i+3]=this._w,t},onChange:function(t){return this.onChangeCallback=t,this},onChangeCallback:function(){}}),Object.assign(r.prototype,{isVector3:!0,set:function(t,i,e){return this.x=t,this.y=i,this.z=e,this},setScalar:function(t){return this.x=t,this.y=t,this.z=t,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setZ:function(t){return this.z=t,this},setComponent:function(t,i){switch(t){case 0:this.x=i;break;case 1:this.y=i;break;case 2:this.z=i;break;default:throw new Error("index is out of range: "+t)}return this},getComponent:function(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:function(){return new this.constructor(this.x,this.y,this.z)},copy:function(t){return this.x=t.x,this.y=t.y,this.z=t.z,this},add:function(t,i){return void 0!==i?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,i)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this)},addScalar:function(t){return this.x+=t,this.y+=t,this.z+=t,this},addVectors:function(t,i){return this.x=t.x+i.x,this.y=t.y+i.y,this.z=t.z+i.z,this},addScaledVector:function(t,i){return this.x+=t.x*i,this.y+=t.y*i,this.z+=t.z*i,this},sub:function(t,i){return void 0!==i?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,i)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this)},subScalar:function(t){return this.x-=t,this.y-=t,this.z-=t,this},subVectors:function(t,i){return this.x=t.x-i.x,this.y=t.y-i.y,this.z=t.z-i.z,this},multiply:function(t,i){return void 0!==i?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(t,i)):(this.x*=t.x,this.y*=t.y,this.z*=t.z,this)},multiplyScalar:function(t){return this.x*=t,this.y*=t,this.z*=t,this},multiplyVectors:function(t,i){return this.x=t.x*i.x,this.y=t.y*i.y,this.z=t.z*i.z,this},applyEuler:function(){var t=new e;return function(i){return i&&i.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(t.setFromEuler(i))}}(),applyAxisAngle:function(){var t=new e;return function(i,e){return this.applyQuaternion(t.setFromAxisAngle(i,e))}}(),applyMatrix3:function(t){var i=this.x,e=this.y,r=this.z,n=t.elements;return this.x=n[0]*i+n[3]*e+n[6]*r,this.y=n[1]*i+n[4]*e+n[7]*r,this.z=n[2]*i+n[5]*e+n[8]*r,this},applyMatrix4:function(t){var i=this.x,e=this.y,r=this.z,n=t.elements,s=1/(n[3]*i+n[7]*e+n[11]*r+n[15]);return this.x=(n[0]*i+n[4]*e+n[8]*r+n[12])*s,this.y=(n[1]*i+n[5]*e+n[9]*r+n[13])*s,this.z=(n[2]*i+n[6]*e+n[10]*r+n[14])*s,this},applyQuaternion:function(t){var i=this.x,e=this.y,r=this.z,n=t.x,s=t.y,a=t.z,o=t.w,h=o*i+s*r-a*e,u=o*e+a*i-n*r,c=o*r+n*e-s*i,l=-n*i-s*e-a*r;return this.x=h*o+l*-n+u*-a-c*-s,this.y=u*o+l*-s+c*-n-h*-a,this.z=c*o+l*-a+h*-s-u*-n,this},project:function(){var t=new i;return function(i){return t.multiplyMatrices(i.projectionMatrix,t.getInverse(i.matrixWorld)),this.applyMatrix4(t)}}(),unproject:function(){var t=new i;return function(i){return t.multiplyMatrices(i.matrixWorld,t.getInverse(i.projectionMatrix)),this.applyMatrix4(t)}}(),transformDirection:function(t){var i=this.x,e=this.y,r=this.z,n=t.elements;return this.x=n[0]*i+n[4]*e+n[8]*r,this.y=n[1]*i+n[5]*e+n[9]*r,this.z=n[2]*i+n[6]*e+n[10]*r,this.normalize()},divide:function(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this},divideScalar:function(t){return this.multiplyScalar(1/t)},min:function(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:function(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:function(t,i){return this.x=Math.max(t.x,Math.min(i.x,this.x)),this.y=Math.max(t.y,Math.min(i.y,this.y)),this.z=Math.max(t.z,Math.min(i.z,this.z)),this},clampScalar:function(){var t=new r,i=new r;return function(e,r){return t.set(e,e,e),i.set(r,r,r),this.clamp(t,i)}}(),clampLength:function(t,i){var e=this.length();return this.divideScalar(e||1).multiplyScalar(Math.max(t,Math.min(i,e)))},floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this},ceil:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this},round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this},roundToZero:function(){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:function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this},dot:function(t){return this.x*t.x+this.y*t.y+this.z*t.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(t){return this.normalize().multiplyScalar(t)},lerp:function(t,i){return this.x+=(t.x-this.x)*i,this.y+=(t.y-this.y)*i,this.z+=(t.z-this.z)*i,this},lerpVectors:function(t,i,e){return this.subVectors(i,t).multiplyScalar(e).add(t)},cross:function(t,i){if(void 0!==i)return console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(t,i);var e=this.x,r=this.y,n=this.z;return this.x=r*t.z-n*t.y,this.y=n*t.x-e*t.z,this.z=e*t.y-r*t.x,this},crossVectors:function(t,i){var e=t.x,r=t.y,n=t.z,s=i.x,a=i.y,o=i.z;return this.x=r*o-n*a,this.y=n*s-e*o,this.z=e*a-r*s,this},projectOnVector:function(t){var i=t.dot(this)/t.lengthSq();return this.copy(t).multiplyScalar(i)},projectOnPlane:function(){var t=new r;return function(i){return t.copy(this).projectOnVector(i),this.sub(t)}}(),reflect:function(){var t=new r;return function(i){return this.sub(t.copy(i).multiplyScalar(2*this.dot(i)))}}(),angleTo:function(t){var i=this.dot(t)/Math.sqrt(this.lengthSq()*t.lengthSq());return Math.acos(k.clamp(i,-1,1))},distanceTo:function(t){return Math.sqrt(this.distanceToSquared(t))},distanceToSquared:function(t){var i=this.x-t.x,e=this.y-t.y,r=this.z-t.z;return i*i+e*e+r*r},distanceToManhattan:function(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)},setFromSpherical:function(t){var i=Math.sin(t.phi)*t.radius;return this.x=i*Math.sin(t.theta),this.y=Math.cos(t.phi)*t.radius,this.z=i*Math.cos(t.theta),this},setFromCylindrical:function(t){return this.x=t.radius*Math.sin(t.theta),this.y=t.y,this.z=t.radius*Math.cos(t.theta),this},setFromMatrixPosition:function(t){var i=t.elements;return this.x=i[12],this.y=i[13],this.z=i[14],this},setFromMatrixScale:function(t){var i=this.setFromMatrixColumn(t,0).length(),e=this.setFromMatrixColumn(t,1).length(),r=this.setFromMatrixColumn(t,2).length();return this.x=i,this.y=e,this.z=r,this},setFromMatrixColumn:function(t,i){return this.fromArray(t.elements,4*i)},equals:function(t){return t.x===this.x&&t.y===this.y&&t.z===this.z},fromArray:function(t,i){return void 0===i&&(i=0),this.x=t[i],this.y=t[i+1],this.z=t[i+2],this},toArray:function(t,i){return void 0===t&&(t=[]),void 0===i&&(i=0),t[i]=this.x,t[i+1]=this.y,t[i+2]=this.z,t},fromBufferAttribute:function(t,i,e){return void 0!==e&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(i),this.y=t.getY(i),this.z=t.getZ(i),this}}),Object.assign(n.prototype,{set:function(t,i){return this.center.copy(t),this.radius=i,this},setFromPoints:function(){var t=new s;return function(i,e){var r=this.center;void 0!==e?r.copy(e):t.setFromPoints(i).getCenter(r);for(var n=0,s=0,a=i.length;s<a;s++)n=Math.max(n,r.distanceToSquared(i[s]));return this.radius=Math.sqrt(n),this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.center.copy(t.center),this.radius=t.radius,this},empty:function(){return this.radius<=0},containsPoint:function(t){return t.distanceToSquared(this.center)<=this.radius*this.radius},distanceToPoint:function(t){return t.distanceTo(this.center)-this.radius},intersectsSphere:function(t){var i=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=i*i},intersectsBox:function(t){return t.intersectsSphere(this)},intersectsPlane:function(t){return Math.abs(this.center.dot(t.normal)-t.constant)<=this.radius},clampPoint:function(t,i){var e=this.center.distanceToSquared(t),n=i||new r;return n.copy(t),e>this.radius*this.radius&&(n.sub(this.center).normalize(),n.multiplyScalar(this.radius).add(this.center)),n},getBoundingBox:function(t){var i=t||new s;return i.set(this.center,this.center),i.expandByScalar(this.radius),i},applyMatrix4:function(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this},translate:function(t){return this.center.add(t),this},equals:function(t){return t.center.equals(this.center)&&t.radius===this.radius}}),Object.assign(s.prototype,{isBox3:!0,set:function(t,i){return this.min.copy(t),this.max.copy(i),this},setFromArray:function(t){for(var i=1/0,e=1/0,r=1/0,n=-1/0,s=-1/0,a=-1/0,o=0,h=t.length;o<h;o+=3){var u=t[o],c=t[o+1],l=t[o+2];u<i&&(i=u),c<e&&(e=c),l<r&&(r=l),u>n&&(n=u),c>s&&(s=c),l>a&&(a=l)}return this.min.set(i,e,r),this.max.set(n,s,a),this},setFromBufferAttribute:function(t){for(var i=1/0,e=1/0,r=1/0,n=-1/0,s=-1/0,a=-1/0,o=0,h=t.count;o<h;o++){var u=t.getX(o),c=t.getY(o),l=t.getZ(o);u<i&&(i=u),c<e&&(e=c),l<r&&(r=l),u>n&&(n=u),c>s&&(s=c),l>a&&(a=l)}return this.min.set(i,e,r),this.max.set(n,s,a),this},setFromPoints:function(t){this.makeEmpty();for(var i=0,e=t.length;i<e;i++)this.expandByPoint(t[i]);return this},setFromCenterAndSize:function(){var t=new r;return function(i,e){var r=t.copy(e).multiplyScalar(.5);return this.min.copy(i).sub(r),this.max.copy(i).add(r),this}}(),setFromObject:function(t){return this.makeEmpty(),this.expandByObject(t)},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.min.copy(t.min),this.max.copy(t.max),this},makeEmpty:function(){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:function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},getCenter:function(t){var i=t||new r;return this.isEmpty()?i.set(0,0,0):i.addVectors(this.min,this.max).multiplyScalar(.5)},getSize:function(t){var i=t||new r;return this.isEmpty()?i.set(0,0,0):i.subVectors(this.max,this.min)},expandByPoint:function(t){return this.min.min(t),this.max.max(t),this},expandByVector:function(t){return this.min.sub(t),this.max.add(t),this},expandByScalar:function(t){return this.min.addScalar(-t),this.max.addScalar(t),this},expandByObject:function(){var t=new r;return function(i){var e=this;return i.updateMatrixWorld(!0),i.traverse(function(i){var r,n,s=i.geometry;if(void 0!==s)if(s.isGeometry){var a=s.vertices;for(r=0,n=a.length;r<n;r++)t.copy(a[r]),t.applyMatrix4(i.matrixWorld),e.expandByPoint(t)}else if(s.isBufferGeometry){var o=s.attributes.position;if(void 0!==o)for(r=0,n=o.count;r<n;r++)t.fromBufferAttribute(o,r).applyMatrix4(i.matrixWorld),e.expandByPoint(t)}}),this}}(),containsPoint:function(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)},containsBox:function(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z},getParameter:function(t,i){return(i||new r).set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y||t.max.z<this.min.z||t.min.z>this.max.z)},intersectsSphere:function(){var t=new r;return function(i){return this.clampPoint(i.center,t),t.distanceToSquared(i.center)<=i.radius*i.radius}}(),intersectsPlane:function(t){var i,e;return t.normal.x>0?(i=t.normal.x*this.min.x,e=t.normal.x*this.max.x):(i=t.normal.x*this.max.x,e=t.normal.x*this.min.x),t.normal.y>0?(i+=t.normal.y*this.min.y,e+=t.normal.y*this.max.y):(i+=t.normal.y*this.max.y,e+=t.normal.y*this.min.y),t.normal.z>0?(i+=t.normal.z*this.min.z,e+=t.normal.z*this.max.z):(i+=t.normal.z*this.max.z,e+=t.normal.z*this.min.z),i<=t.constant&&e>=t.constant},clampPoint:function(t,i){return(i||new r).copy(t).clamp(this.min,this.max)},distanceToPoint:function(){var t=new r;return function(i){return t.copy(i).clamp(this.min,this.max).sub(i).length()}}(),getBoundingSphere:function(){var t=new r;return function(i){var e=i||new n;return this.getCenter(e.center),e.radius=.5*this.getSize(t).length(),e}}(),intersect:function(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this},union:function(t){return this.min.min(t.min),this.max.max(t.max),this},applyMatrix4:function(){var t=[new r,new r,new r,new r,new r,new r,new r,new r];return function(i){return this.isEmpty()?this:(t[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(i),t[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(i),t[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(i),t[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(i),t[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(i),t[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(i),t[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(i),t[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(i),this.setFromPoints(t),this)}}(),translate:function(t){return this.min.add(t),this.max.add(t),this},equals:function(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}),Object.assign(a.prototype,{addEventListener:function(t,i){void 0===this._listeners&&(this._listeners={});var e=this._listeners;void 0===e[t]&&(e[t]=[]),-1===e[t].indexOf(i)&&e[t].push(i)},hasEventListener:function(t,i){if(void 0===this._listeners)return!1;var e=this._listeners;return void 0!==e[t]&&-1!==e[t].indexOf(i)},removeEventListener:function(t,i){if(void 0!==this._listeners){var e=this._listeners[t];if(void 0!==e){var r=e.indexOf(i);-1!==r&&e.splice(r,1)}}},dispatchEvent:function(t){if(void 0!==this._listeners){var i=this._listeners[t.type];if(void 0!==i){t.target=this;for(var e=i.slice(0),r=0,n=e.length;r<n;r++)e[r].call(this,t)}}}}),Object.assign(o.prototype,{isVector4:!0,set:function(t,i,e,r){return this.x=t,this.y=i,this.z=e,this.w=r,this},setScalar:function(t){return this.x=t,this.y=t,this.z=t,this.w=t,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setZ:function(t){return this.z=t,this},setW:function(t){return this.w=t,this},setComponent:function(t,i){switch(t){case 0:this.x=i;break;case 1:this.y=i;break;case 2:this.z=i;break;case 3:this.w=i;break;default:throw new Error("index is out of range: "+t)}return this},getComponent:function(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}},clone:function(){return new this.constructor(this.x,this.y,this.z,this.w)},copy:function(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this},add:function(t,i){return void 0!==i?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,i)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this)},addScalar:function(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this},addVectors:function(t,i){return this.x=t.x+i.x,this.y=t.y+i.y,this.z=t.z+i.z,this.w=t.w+i.w,this},addScaledVector:function(t,i){return this.x+=t.x*i,this.y+=t.y*i,this.z+=t.z*i,this.w+=t.w*i,this},sub:function(t,i){return void 0!==i?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,i)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this)},subScalar:function(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this},subVectors:function(t,i){return this.x=t.x-i.x,this.y=t.y-i.y,this.z=t.z-i.z,this.w=t.w-i.w,this},multiplyScalar:function(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this},applyMatrix4:function(t){var i=this.x,e=this.y,r=this.z,n=this.w,s=t.elements;return this.x=s[0]*i+s[4]*e+s[8]*r+s[12]*n,this.y=s[1]*i+s[5]*e+s[9]*r+s[13]*n,this.z=s[2]*i+s[6]*e+s[10]*r+s[14]*n,this.w=s[3]*i+s[7]*e+s[11]*r+s[15]*n,this},divideScalar:function(t){return this.multiplyScalar(1/t)},setAxisAngleFromQuaternion:function(t){this.w=2*Math.acos(t.w);var i=Math.sqrt(1-t.w*t.w);return i<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/i,this.y=t.y/i,this.z=t.z/i),this},setAxisAngleFromRotationMatrix:function(t){var i,e,r,n,s=t.elements,a=s[0],o=s[4],h=s[8],u=s[1],c=s[5],l=s[9],d=s[2],f=s[6],m=s[10];if(Math.abs(o-u)<.01&&Math.abs(h-d)<.01&&Math.abs(l-f)<.01){if(Math.abs(o+u)<.1&&Math.abs(h+d)<.1&&Math.abs(l+f)<.1&&Math.abs(a+c+m-3)<.1)return this.set(1,0,0,0),this;i=Math.PI;var y=(a+1)/2,p=(c+1)/2,x=(m+1)/2,v=(o+u)/4,g=(h+d)/4,b=(l+f)/4;return y>p&&y>x?y<.01?(e=0,r=.707106781,n=.707106781):(r=v/(e=Math.sqrt(y)),n=g/e):p>x?p<.01?(e=.707106781,r=0,n=.707106781):(e=v/(r=Math.sqrt(p)),n=b/r):x<.01?(e=.707106781,r=.707106781,n=0):(e=g/(n=Math.sqrt(x)),r=b/n),this.set(e,r,n,i),this}var w=Math.sqrt((f-l)*(f-l)+(h-d)*(h-d)+(u-o)*(u-o));return Math.abs(w)<.001&&(w=1),this.x=(f-l)/w,this.y=(h-d)/w,this.z=(u-o)/w,this.w=Math.acos((a+c+m-1)/2),this},min:function(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:function(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:function(t,i){return this.x=Math.max(t.x,Math.min(i.x,this.x)),this.y=Math.max(t.y,Math.min(i.y,this.y)),this.z=Math.max(t.z,Math.min(i.z,this.z)),this.w=Math.max(t.w,Math.min(i.w,this.w)),this},clampScalar:function(){var t,i;return function(e,r){return void 0===t&&(t=new o,i=new o),t.set(e,e,e,e),i.set(r,r,r,r),this.clamp(t,i)}}(),clampLength:function(t,i){var e=this.length();return this.divideScalar(e||1).multiplyScalar(Math.max(t,Math.min(i,e)))},floor:function(){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:function(){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:function(){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:function(){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:function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this},dot:function(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(t){return this.normalize().multiplyScalar(t)},lerp:function(t,i){return this.x+=(t.x-this.x)*i,this.y+=(t.y-this.y)*i,this.z+=(t.z-this.z)*i,this.w+=(t.w-this.w)*i,this},lerpVectors:function(t,i,e){return this.subVectors(i,t).multiplyScalar(e).add(t)},equals:function(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w},fromArray:function(t,i){return void 0===i&&(i=0),this.x=t[i],this.y=t[i+1],this.z=t[i+2],this.w=t[i+3],this},toArray:function(t,i){return void 0===t&&(t=[]),void 0===i&&(i=0),t[i]=this.x,t[i+1]=this.y,t[i+2]=this.z,t[i+3]=this.w,t},fromBufferAttribute:function(t,i,e){return void 0!==e&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(i),this.y=t.getY(i),this.z=t.getZ(i),this.w=t.getW(i),this}}),Object.defineProperties(h.prototype,{width:{get:function(){return this.x},set:function(t){this.x=t}},height:{get:function(){return this.y},set:function(t){this.y=t}}}),Object.assign(h.prototype,{isVector2:!0,set:function(t,i){return this.x=t,this.y=i,this},setScalar:function(t){return this.x=t,this.y=t,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setComponent:function(t,i){switch(t){case 0:this.x=i;break;case 1:this.y=i;break;default:throw new Error("index is out of range: "+t)}return this},getComponent:function(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}},clone:function(){return new this.constructor(this.x,this.y)},copy:function(t){return this.x=t.x,this.y=t.y,this},add:function(t,i){return void 0!==i?(console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,i)):(this.x+=t.x,this.y+=t.y,this)},addScalar:function(t){return this.x+=t,this.y+=t,this},addVectors:function(t,i){return this.x=t.x+i.x,this.y=t.y+i.y,this},addScaledVector:function(t,i){return this.x+=t.x*i,this.y+=t.y*i,this},sub:function(t,i){return void 0!==i?(console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,i)):(this.x-=t.x,this.y-=t.y,this)},subScalar:function(t){return this.x-=t,this.y-=t,this},subVectors:function(t,i){return this.x=t.x-i.x,this.y=t.y-i.y,this},multiply:function(t){return this.x*=t.x,this.y*=t.y,this},multiplyScalar:function(t){return this.x*=t,this.y*=t,this},divide:function(t){return this.x/=t.x,this.y/=t.y,this},divideScalar:function(t){return this.multiplyScalar(1/t)},min:function(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this},max:function(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this},clamp:function(t,i){return this.x=Math.max(t.x,Math.min(i.x,this.x)),this.y=Math.max(t.y,Math.min(i.y,this.y)),this},clampScalar:function(){var t=new h,i=new h;return function(e,r){return t.set(e,e),i.set(r,r),this.clamp(t,i)}}(),clampLength:function(t,i){var e=this.length();return this.divideScalar(e||1).multiplyScalar(Math.max(t,Math.min(i,e)))},floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this},ceil:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this},round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this},roundToZero:function(){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},negate:function(){return this.x=-this.x,this.y=-this.y,this},dot:function(t){return this.x*t.x+this.y*t.y},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)},normalize:function(){return this.divideScalar(this.length()||1)},angle:function(){var t=Math.atan2(this.y,this.x);return t<0&&(t+=2*Math.PI),t},distanceTo:function(t){return Math.sqrt(this.distanceToSquared(t))},distanceToSquared:function(t){var i=this.x-t.x,e=this.y-t.y;return i*i+e*e},distanceToManhattan:function(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)},setLength:function(t){return this.normalize().multiplyScalar(t)},lerp:function(t,i){return this.x+=(t.x-this.x)*i,this.y+=(t.y-this.y)*i,this},lerpVectors:function(t,i,e){return this.subVectors(i,t).multiplyScalar(e).add(t)},equals:function(t){return t.x===this.x&&t.y===this.y},fromArray:function(t,i){return void 0===i&&(i=0),this.x=t[i],this.y=t[i+1],this},toArray:function(t,i){return void 0===t&&(t=[]),void 0===i&&(i=0),t[i]=this.x,t[i+1]=this.y,t},fromBufferAttribute:function(t,i,e){return void 0!==e&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(i),this.y=t.getY(i),this},rotateAround:function(t,i){var e=Math.cos(i),r=Math.sin(i),n=this.x-t.x,s=this.y-t.y;return this.x=n*e-s*r+t.x,this.y=n*r+s*e+t.y,this}});var E={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074};Object.assign(u.prototype,{isColor:!0,r:1,g:1,b:1,set:function(t){return t&&t.isColor?this.copy(t):"number"==typeof t?this.setHex(t):"string"==typeof t&&this.setStyle(t),this},setScalar:function(t){return this.r=t,this.g=t,this.b=t,this},setHex:function(t){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,this},setRGB:function(t,i,e){return this.r=t,this.g=i,this.b=e,this},setHSL:function(){function t(t,i,e){return e<0&&(e+=1),e>1&&(e-=1),e<1/6?t+6*(i-t)*e:e<.5?i:e<2/3?t+6*(i-t)*(2/3-e):t}return function(i,e,r){if(i=k.euclideanModulo(i,1),e=k.clamp(e,0,1),r=k.clamp(r,0,1),0===e)this.r=this.g=this.b=r;else{var n=r<=.5?r*(1+e):r+e-r*e,s=2*r-n;this.r=t(s,n,i+1/3),this.g=t(s,n,i),this.b=t(s,n,i-1/3)}return this}}(),setStyle:function(t){function i(i){void 0!==i&&parseFloat(i)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}var e;if(e=/^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(t)){var r,n=e[1],s=e[2];switch(n){case"rgb":case"rgba":if(r=/^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(s))return this.r=Math.min(255,parseInt(r[1],10))/255,this.g=Math.min(255,parseInt(r[2],10))/255,this.b=Math.min(255,parseInt(r[3],10))/255,i(r[5]),this;if(r=/^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(s))return this.r=Math.min(100,parseInt(r[1],10))/100,this.g=Math.min(100,parseInt(r[2],10))/100,this.b=Math.min(100,parseInt(r[3],10))/100,i(r[5]),this;break;case"hsl":case"hsla":if(r=/^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(s)){var a=parseFloat(r[1])/360,o=parseInt(r[2],10)/100,h=parseInt(r[3],10)/100;return i(r[5]),this.setHSL(a,o,h)}}}else if(e=/^\#([A-Fa-f0-9]+)$/.exec(t)){var u=(c=e[1]).length;if(3===u)return this.r=parseInt(c.charAt(0)+c.charAt(0),16)/255,this.g=parseInt(c.charAt(1)+c.charAt(1),16)/255,this.b=parseInt(c.charAt(2)+c.charAt(2),16)/255,this;if(6===u)return this.r=parseInt(c.charAt(0)+c.charAt(1),16)/255,this.g=parseInt(c.charAt(2)+c.charAt(3),16)/255,this.b=parseInt(c.charAt(4)+c.charAt(5),16)/255,this}if(t&&t.length>0){var c=E[t];void 0!==c?this.setHex(c):console.warn("THREE.Color: Unknown color "+t)}return this},clone:function(){return new this.constructor(this.r,this.g,this.b)},copy:function(t){return this.r=t.r,this.g=t.g,this.b=t.b,this},copyGammaToLinear:function(t,i){return void 0===i&&(i=2),this.r=Math.pow(t.r,i),this.g=Math.pow(t.g,i),this.b=Math.pow(t.b,i),this},copyLinearToGamma:function(t,i){void 0===i&&(i=2);var e=i>0?1/i:1;return this.r=Math.pow(t.r,e),this.g=Math.pow(t.g,e),this.b=Math.pow(t.b,e),this},convertGammaToLinear:function(){var t=this.r,i=this.g,e=this.b;return this.r=t*t,this.g=i*i,this.b=e*e,this},convertLinearToGamma:function(){return this.r=Math.sqrt(this.r),this.g=Math.sqrt(this.g),this.b=Math.sqrt(this.b),this},getHex:function(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0},getHexString:function(){return("000000"+this.getHex().toString(16)).slice(-6)},getHSL:function(t){var i,e,r=t||{h:0,s:0,l:0},n=this.r,s=this.g,a=this.b,o=Math.max(n,s,a),h=Math.min(n,s,a),u=(h+o)/2;if(h===o)i=0,e=0;else{var c=o-h;switch(e=u<=.5?c/(o+h):c/(2-o-h),o){case n:i=(s-a)/c+(s<a?6:0);break;case s:i=(a-n)/c+2;break;case a:i=(n-s)/c+4}i/=6}return r.h=i,r.s=e,r.l=u,r},getStyle:function(){return"rgb("+(255*this.r|0)+","+(255*this.g|0)+","+(255*this.b|0)+")"},offsetHSL:function(t,i,e){var r=this.getHSL();return r.h+=t,r.s+=i,r.l+=e,this.setHSL(r.h,r.s,r.l),this},add:function(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this},addColors:function(t,i){return this.r=t.r+i.r,this.g=t.g+i.g,this.b=t.b+i.b,this},addScalar:function(t){return this.r+=t,this.g+=t,this.b+=t,this},sub:function(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this},multiply:function(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this},multiplyScalar:function(t){return this.r*=t,this.g*=t,this.b*=t,this},lerp:function(t,i){return this.r+=(t.r-this.r)*i,this.g+=(t.g-this.g)*i,this.b+=(t.b-this.b)*i,this},equals:function(t){return t.r===this.r&&t.g===this.g&&t.b===this.b},fromArray:function(t,i){return void 0===i&&(i=0),this.r=t[i],this.g=t[i+1],this.b=t[i+2],this},toArray:function(t,i){return void 0===t&&(t=[]),void 0===i&&(i=0),t[i]=this.r,t[i+1]=this.g,t[i+2]=this.b,t},toJSON:function(){return this.getHex()}}),Object.defineProperty(c.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}}),Object.assign(c.prototype,{isBufferAttribute:!0,setArray:function(t){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.count=void 0!==t?t.length/this.itemSize:0,this.array=t},setDynamic:function(t){return this.dynamic=t,this},copy:function(t){return this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.dynamic=t.dynamic,this},copyAt:function(t,i,e){t*=this.itemSize,e*=i.itemSize;for(var r=0,n=this.itemSize;r<n;r++)this.array[t+r]=i.array[e+r];return this},copyArray:function(t){return this.array.set(t),this},copyColorsArray:function(t){for(var i=this.array,e=0,r=0,n=t.length;r<n;r++){var s=t[r];void 0===s&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",r),s=new u),i[e++]=s.r,i[e++]=s.g,i[e++]=s.b}return this},copyIndicesArray:function(t){for(var i=this.array,e=0,r=0,n=t.length;r<n;r++){var s=t[r];i[e++]=s.a,i[e++]=s.b,i[e++]=s.c}return this},copyVector2sArray:function(t){for(var i=this.array,e=0,r=0,n=t.length;r<n;r++){var s=t[r];void 0===s&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",r),s=new h),i[e++]=s.x,i[e++]=s.y}return this},copyVector3sArray:function(t){for(var i=this.array,e=0,n=0,s=t.length;n<s;n++){var a=t[n];void 0===a&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",n),a=new r),i[e++]=a.x,i[e++]=a.y,i[e++]=a.z}return this},copyVector4sArray:function(t){for(var i=this.array,e=0,r=0,n=t.length;r<n;r++){var s=t[r];void 0===s&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",r),s=new o),i[e++]=s.x,i[e++]=s.y,i[e++]=s.z,i[e++]=s.w}return this},set:function(t,i){return void 0===i&&(i=0),this.array.set(t,i),this},getX:function(t){return this.array[t*this.itemSize]},setX:function(t,i){return this.array[t*this.itemSize]=i,this},getY:function(t){return this.array[t*this.itemSize+1]},setY:function(t,i){return this.array[t*this.itemSize+1]=i,this},getZ:function(t){return this.array[t*this.itemSize+2]},setZ:function(t,i){return this.array[t*this.itemSize+2]=i,this},getW:function(t){return this.array[t*this.itemSize+3]},setW:function(t,i){return this.array[t*this.itemSize+3]=i,this},setXY:function(t,i,e){return t*=this.itemSize,this.array[t+0]=i,this.array[t+1]=e,this},setXYZ:function(t,i,e,r){return t*=this.itemSize,this.array[t+0]=i,this.array[t+1]=e,this.array[t+2]=r,this},setXYZW:function(t,i,e,r,n){return t*=this.itemSize,this.array[t+0]=i,this.array[t+1]=e,this.array[t+2]=r,this.array[t+3]=n,this},onUpload:function(t){return this.onUploadCallback=t,this},clone:function(){return new this.constructor(this.array,this.itemSize).copy(this)}}),l.prototype=Object.create(c.prototype),l.prototype.constructor=l,d.prototype=Object.create(c.prototype),d.prototype.constructor=d,f.prototype=Object.create(c.prototype),f.prototype.constructor=f,Object.assign(m.prototype,{computeGroups:function(t){for(var i,e=[],r=void 0,n=t.faces,s=0;s<n.length;s++){var a=n[s];a.materialIndex!==r&&(r=a.materialIndex,void 0!==i&&(i.count=3*s-i.start,e.push(i)),i={start:3*s,materialIndex:r})}void 0!==i&&(i.count=3*s-i.start,e.push(i)),this.groups=e},fromGeometry:function(t){var i,e=t.faces,r=t.vertices,n=t.faceVertexUvs,s=n[0]&&n[0].length>0,a=n[1]&&n[1].length>0,o=t.morphTargets,u=o.length;if(u>0){i=[];for(x=0;x<u;x++)i[x]=[];this.morphTargets.position=i}var c,l=t.morphNormals,d=l.length;if(d>0){c=[];for(x=0;x<d;x++)c[x]=[];this.morphTargets.normal=c}for(var f=t.skinIndices,m=t.skinWeights,y=f.length===r.length,p=m.length===r.length,x=0;x<e.length;x++){var v=e[x];this.vertices.push(r[v.a],r[v.b],r[v.c]);var g=v.vertexNormals;if(3===g.length)this.normals.push(g[0],g[1],g[2]);else{var b=v.normal;this.normals.push(b,b,b)}var w=v.vertexColors;if(3===w.length)this.colors.push(w[0],w[1],w[2]);else{var M=v.color;this.colors.push(M,M,M)}if(!0===s&&(void 0!==(z=n[0][x])?this.uvs.push(z[0],z[1],z[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ",x),this.uvs.push(new h,new h,new h))),!0===a){var z=n[1][x];void 0!==z?this.uvs2.push(z[0],z[1],z[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ",x),this.uvs2.push(new h,new h,new h))}for(A=0;A<u;A++){var _=o[A].vertices;i[A].push(_[v.a],_[v.b],_[v.c])}for(var A=0;A<d;A++){var S=l[A].vertexNormals[x];c[A].push(S.a,S.b,S.c)}y&&this.skinIndices.push(f[v.a],f[v.b],f[v.c]),p&&this.skinWeights.push(m[v.a],m[v.b],m[v.c])}return this.computeGroups(t),this.verticesNeedUpdate=t.verticesNeedUpdate,this.normalsNeedUpdate=t.normalsNeedUpdate,this.colorsNeedUpdate=t.colorsNeedUpdate,this.uvsNeedUpdate=t.uvsNeedUpdate,this.groupsNeedUpdate=t.groupsNeedUpdate,this}}),y.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"],y.DefaultOrder="XYZ",Object.defineProperties(y.prototype,{x:{get:function(){return this._x},set:function(t){this._x=t,this.onChangeCallback()}},y:{get:function(){return this._y},set:function(t){this._y=t,this.onChangeCallback()}},z:{get:function(){return this._z},set:function(t){this._z=t,this.onChangeCallback()}},order:{get:function(){return this._order},set:function(t){this._order=t,this.onChangeCallback()}}}),Object.assign(y.prototype,{isEuler:!0,set:function(t,i,e,r){return this._x=t,this._y=i,this._z=e,this._order=r||this._order,this.onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._order)},copy:function(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this.onChangeCallback(),this},setFromRotationMatrix:function(t,i,e){var r=k.clamp,n=t.elements,s=n[0],a=n[4],o=n[8],h=n[1],u=n[5],c=n[9],l=n[2],d=n[6],f=n[10];return i=i||this._order,"XYZ"===i?(this._y=Math.asin(r(o,-1,1)),Math.abs(o)<.99999?(this._x=Math.atan2(-c,f),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(d,u),this._z=0)):"YXZ"===i?(this._x=Math.asin(-r(c,-1,1)),Math.abs(c)<.99999?(this._y=Math.atan2(o,f),this._z=Math.atan2(h,u)):(this._y=Math.atan2(-l,s),this._z=0)):"ZXY"===i?(this._x=Math.asin(r(d,-1,1)),Math.abs(d)<.99999?(this._y=Math.atan2(-l,f),this._z=Math.atan2(-a,u)):(this._y=0,this._z=Math.atan2(h,s))):"ZYX"===i?(this._y=Math.asin(-r(l,-1,1)),Math.abs(l)<.99999?(this._x=Math.atan2(d,f),this._z=Math.atan2(h,s)):(this._x=0,this._z=Math.atan2(-a,u))):"YZX"===i?(this._z=Math.asin(r(h,-1,1)),Math.abs(h)<.99999?(this._x=Math.atan2(-c,u),this._y=Math.atan2(-l,s)):(this._x=0,this._y=Math.atan2(o,f))):"XZY"===i?(this._z=Math.asin(-r(a,-1,1)),Math.abs(a)<.99999?(this._x=Math.atan2(d,u),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-c,f),this._y=0)):console.warn("THREE.Euler: .setFromRotationMatrix() given unsupported order: "+i),this._order=i,!1!==e&&this.onChangeCallback(),this},setFromQuaternion:function(){var t=new i;return function(i,e,r){return t.makeRotationFromQuaternion(i),this.setFromRotationMatrix(t,e,r)}}(),setFromVector3:function(t,i){return this.set(t.x,t.y,t.z,i||this._order)},reorder:function(){var t=new e;return function(i){return t.setFromEuler(this),this.setFromQuaternion(t,i)}}(),equals:function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order},fromArray:function(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this.onChangeCallback(),this},toArray:function(t,i){return void 0===t&&(t=[]),void 0===i&&(i=0),t[i]=this._x,t[i+1]=this._y,t[i+2]=this._z,t[i+3]=this._order,t},toVector3:function(t){return t?t.set(this._x,this._y,this._z):new r(this._x,this._y,this._z)},onChange:function(t){return this.onChangeCallback=t,this},onChangeCallback:function(){}}),Object.assign(p.prototype,{set:function(t){this.mask=1<<t|0},enable:function(t){this.mask|=1<<t|0},toggle:function(t){this.mask^=1<<t|0},disable:function(t){this.mask&=~(1<<t|0)},test:function(t){return 0!=(this.mask&t.mask)}}),Object.assign(x.prototype,{isMatrix3:!0,set:function(t,i,e,r,n,s,a,o,h){var u=this.elements;return u[0]=t,u[1]=r,u[2]=a,u[3]=i,u[4]=n,u[5]=o,u[6]=e,u[7]=s,u[8]=h,this},identity:function(){return this.set(1,0,0,0,1,0,0,0,1),this},clone:function(){return(new this.constructor).fromArray(this.elements)},copy:function(t){var i=this.elements,e=t.elements;return i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],this},setFromMatrix4:function(t){var i=t.elements;return this.set(i[0],i[4],i[8],i[1],i[5],i[9],i[2],i[6],i[10]),this},applyToBufferAttribute:function(){var t=new r;return function(i){for(var e=0,r=i.count;e<r;e++)t.x=i.getX(e),t.y=i.getY(e),t.z=i.getZ(e),t.applyMatrix3(this),i.setXYZ(e,t.x,t.y,t.z);return i}}(),multiply:function(t){return this.multiplyMatrices(this,t)},premultiply:function(t){return this.multiplyMatrices(t,this)},multiplyMatrices:function(t,i){var e=t.elements,r=i.elements,n=this.elements,s=e[0],a=e[3],o=e[6],h=e[1],u=e[4],c=e[7],l=e[2],d=e[5],f=e[8],m=r[0],y=r[3],p=r[6],x=r[1],v=r[4],g=r[7],b=r[2],w=r[5],M=r[8];return n[0]=s*m+a*x+o*b,n[3]=s*y+a*v+o*w,n[6]=s*p+a*g+o*M,n[1]=h*m+u*x+c*b,n[4]=h*y+u*v+c*w,n[7]=h*p+u*g+c*M,n[2]=l*m+d*x+f*b,n[5]=l*y+d*v+f*w,n[8]=l*p+d*g+f*M,this},multiplyScalar:function(t){var i=this.elements;return i[0]*=t,i[3]*=t,i[6]*=t,i[1]*=t,i[4]*=t,i[7]*=t,i[2]*=t,i[5]*=t,i[8]*=t,this},determinant:function(){var t=this.elements,i=t[0],e=t[1],r=t[2],n=t[3],s=t[4],a=t[5],o=t[6],h=t[7],u=t[8];return i*s*u-i*a*h-e*n*u+e*a*o+r*n*h-r*s*o},getInverse:function(t,i){t&&t.isMatrix4&&console.error("THREE.Matrix3.getInverse no longer takes a Matrix4 argument.");var e=t.elements,r=this.elements,n=e[0],s=e[1],a=e[2],o=e[3],h=e[4],u=e[5],c=e[6],l=e[7],d=e[8],f=d*h-u*l,m=u*c-d*o,y=l*o-h*c,p=n*f+s*m+a*y;if(0===p){var x="THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0";if(!0===i)throw new Error(x);return console.warn(x),this.identity()}var v=1/p;return r[0]=f*v,r[1]=(a*l-d*s)*v,r[2]=(u*s-a*h)*v,r[3]=m*v,r[4]=(d*n-a*c)*v,r[5]=(a*o-u*n)*v,r[6]=y*v,r[7]=(s*c-l*n)*v,r[8]=(h*n-s*o)*v,this},transpose:function(){var t,i=this.elements;return t=i[1],i[1]=i[3],i[3]=t,t=i[2],i[2]=i[6],i[6]=t,t=i[5],i[5]=i[7],i[7]=t,this},getNormalMatrix:function(t){return this.setFromMatrix4(t).getInverse(this).transpose()},transposeIntoArray:function(t){var i=this.elements;return t[0]=i[0],t[1]=i[3],t[2]=i[6],t[3]=i[1],t[4]=i[4],t[5]=i[7],t[6]=i[2],t[7]=i[5],t[8]=i[8],this},equals:function(t){for(var i=this.elements,e=t.elements,r=0;r<9;r++)if(i[r]!==e[r])return!1;return!0},fromArray:function(t,i){void 0===i&&(i=0);for(var e=0;e<9;e++)this.elements[e]=t[e+i];return this},toArray:function(t,i){void 0===t&&(t=[]),void 0===i&&(i=0);var e=this.elements;return t[i]=e[0],t[i+1]=e[1],t[i+2]=e[2],t[i+3]=e[3],t[i+4]=e[4],t[i+5]=e[5],t[i+6]=e[6],t[i+7]=e[7],t[i+8]=e[8],t}});var U=0;v.DefaultUp=new r(0,1,0),v.DefaultMatrixAutoUpdate=!0,Object.assign(v.prototype,a.prototype,{isObject3D:!0,onBeforeRender:function(){},onAfterRender:function(){},applyMatrix:function(t){this.matrix.multiplyMatrices(t,this.matrix),this.matrix.decompose(this.position,this.quaternion,this.scale)},applyQuaternion:function(t){return this.quaternion.premultiply(t),this},setRotationFromAxisAngle:function(t,i){this.quaternion.setFromAxisAngle(t,i)},setRotationFromEuler:function(t){this.quaternion.setFromEuler(t,!0)},setRotationFromMatrix:function(t){this.quaternion.setFromRotationMatrix(t)},setRotationFromQuaternion:function(t){this.quaternion.copy(t)},rotateOnAxis:function(){var t=new e;return function(i,e){return t.setFromAxisAngle(i,e),this.quaternion.multiply(t),this}}(),rotateX:function(){var t=new r(1,0,0);return function(i){return this.rotateOnAxis(t,i)}}(),rotateY:function(){var t=new r(0,1,0);return function(i){return this.rotateOnAxis(t,i)}}(),rotateZ:function(){var t=new r(0,0,1);return function(i){return this.rotateOnAxis(t,i)}}(),translateOnAxis:function(){var t=new r;return function(i,e){return t.copy(i).applyQuaternion(this.quaternion),this.position.add(t.multiplyScalar(e)),this}}(),translateX:function(){var t=new r(1,0,0);return function(i){return this.translateOnAxis(t,i)}}(),translateY:function(){var t=new r(0,1,0);return function(i){return this.translateOnAxis(t,i)}}(),translateZ:function(){var t=new r(0,0,1);return function(i){return this.translateOnAxis(t,i)}}(),localToWorld:function(t){return t.applyMatrix4(this.matrixWorld)},worldToLocal:function(){var t=new i;return function(i){return i.applyMatrix4(t.getInverse(this.matrixWorld))}}(),lookAt:function(){var t=new i;return function(i){this.isCamera?t.lookAt(this.position,i,this.up):t.lookAt(i,this.position,this.up),this.quaternion.setFromRotationMatrix(t)}}(),add:function(t){if(arguments.length>1){for(var i=0;i<arguments.length;i++)this.add(arguments[i]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(null!==t.parent&&t.parent.remove(t),t.parent=this,t.dispatchEvent({type:"added"}),this.children.push(t)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)},remove:function(t){if(arguments.length>1){for(var i=0;i<arguments.length;i++)this.remove(arguments[i]);return this}var e=this.children.indexOf(t);return-1!==e&&(t.parent=null,t.dispatchEvent({type:"removed"}),this.children.splice(e,1)),this},getObjectById:function(t){return this.getObjectByProperty("id",t)},getObjectByName:function(t){return this.getObjectByProperty("name",t)},getObjectByProperty:function(t,i){if(this[t]===i)return this;for(var e=0,r=this.children.length;e<r;e++){var n=this.children[e].getObjectByProperty(t,i);if(void 0!==n)return n}},getWorldPosition:function(t){var i=t||new r;return this.updateMatrixWorld(!0),i.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(){var t=new r,i=new r;return function(r){var n=r||new e;return this.updateMatrixWorld(!0),this.matrixWorld.decompose(t,n,i),n}}(),getWorldRotation:function(){var t=new e;return function(i){var e=i||new y;return this.getWorldQuaternion(t),e.setFromQuaternion(t,this.rotation.order,!1)}}(),getWorldScale:function(){var t=new r,i=new e;return function(e){var n=e||new r;return this.updateMatrixWorld(!0),this.matrixWorld.decompose(t,i,n),n}}(),getWorldDirection:function(){var t=new e;return function(i){var e=i||new r;return this.getWorldQuaternion(t),e.set(0,0,1).applyQuaternion(t)}}(),raycast:function(){},traverse:function(t){t(this);for(var i=this.children,e=0,r=i.length;e<r;e++)i[e].traverse(t)},traverseVisible:function(t){if(!1!==this.visible){t(this);for(var i=this.children,e=0,r=i.length;e<r;e++)i[e].traverseVisible(t)}},traverseAncestors:function(t){var i=this.parent;null!==i&&(t(i),i.traverseAncestors(t))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,t=!0);for(var i=this.children,e=0,r=i.length;e<r;e++)i[e].updateMatrixWorld(t)},toJSON:function(t){function i(i,e){return void 0===i[e.uuid]&&(i[e.uuid]=e.toJSON(t)),e.uuid}function e(t){var i=[];for(var e in t){var r=t[e];delete r.metadata,i.push(r)}return i}var r=void 0===t||""===t,n={};r&&(t={geometries:{},materials:{},textures:{},images:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});var s={};if(s.uuid=this.uuid,s.type=this.type,""!==this.name&&(s.name=this.name),"{}"!==JSON.stringify(this.userData)&&(s.userData=this.userData),!0===this.castShadow&&(s.castShadow=!0),!0===this.receiveShadow&&(s.receiveShadow=!0),!1===this.visible&&(s.visible=!1),s.matrix=this.matrix.toArray(),void 0!==this.geometry&&(s.geometry=i(t.geometries,this.geometry)),void 0!==this.material)if(Array.isArray(this.material)){for(var a=[],o=0,h=this.material.length;o<h;o++)a.push(i(t.materials,this.material[o]));s.material=a}else s.material=i(t.materials,this.material);if(this.children.length>0){s.children=[];for(o=0;o<this.children.length;o++)s.children.push(this.children[o].toJSON(t).object)}if(r){var u=e(t.geometries),c=e(t.materials),l=e(t.textures),d=e(t.images);u.length>0&&(n.geometries=u),c.length>0&&(n.materials=c),l.length>0&&(n.textures=l),d.length>0&&(n.images=d)}return n.object=s,n},clone:function(t){return(new this.constructor).copy(this,t)},copy:function(t,i){if(void 0===i&&(i=!0),this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.userData=JSON.parse(JSON.stringify(t.userData)),!0===i)for(var e=0;e<t.children.length;e++){var r=t.children[e];this.add(r.clone())}return this}}),Object.assign(b.prototype,{clone:function(){return(new this.constructor).copy(this)},copy:function(t){this.a=t.a,this.b=t.b,this.c=t.c,this.normal.copy(t.normal),this.color.copy(t.color),this.materialIndex=t.materialIndex;for(var i=0,e=t.vertexNormals.length;i<e;i++)this.vertexNormals[i]=t.vertexNormals[i].clone();for(var i=0,e=t.vertexColors.length;i<e;i++)this.vertexColors[i]=t.vertexColors[i].clone();return this}});var V=0;Object.assign(M.prototype,a.prototype,{isGeometry:!0,applyMatrix:function(t){for(var i=(new x).getNormalMatrix(t),e=0,r=this.vertices.length;e<r;e++)this.vertices[e].applyMatrix4(t);for(var e=0,r=this.faces.length;e<r;e++){var n=this.faces[e];n.normal.applyMatrix3(i).normalize();for(var s=0,a=n.vertexNormals.length;s<a;s++)n.vertexNormals[s].applyMatrix3(i).normalize()}return null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this.verticesNeedUpdate=!0,this.normalsNeedUpdate=!0,this},rotateX:function(){var t=new i;return function(i){return t.makeRotationX(i),this.applyMatrix(t),this}}(),rotateY:function(){var t=new i;return function(i){return t.makeRotationY(i),this.applyMatrix(t),this}}(),rotateZ:function(){var t=new i;return function(i){return t.makeRotationZ(i),this.applyMatrix(t),this}}(),translate:function(){var t=new i;return function(i,e,r){return t.makeTranslation(i,e,r),this.applyMatrix(t),this}}(),scale:function(){var t=new i;return function(i,e,r){return t.makeScale(i,e,r),this.applyMatrix(t),this}}(),lookAt:function(){var t=new v;return function(i){t.lookAt(i),t.updateMatrix(),this.applyMatrix(t.matrix)}}(),fromBufferGeometry:function(t){function i(t,i,r,n){var s=new b(t,i,r,void 0!==o?[f[t].clone(),f[i].clone(),f[r].clone()]:[],void 0!==c?[e.colors[t].clone(),e.colors[i].clone(),e.colors[r].clone()]:[],n);e.faces.push(s),void 0!==l&&e.faceVertexUvs[0].push([m[t].clone(),m[i].clone(),m[r].clone()]),void 0!==d&&e.faceVertexUvs[1].push([y[t].clone(),y[i].clone(),y[r].clone()])}var e=this,n=null!==t.index?t.index.array:void 0,s=t.attributes,a=s.position.array,o=void 0!==s.normal?s.normal.array:void 0,c=void 0!==s.color?s.color.array:void 0,l=void 0!==s.uv?s.uv.array:void 0,d=void 0!==s.uv2?s.uv2.array:void 0;void 0!==d&&(this.faceVertexUvs[1]=[]);for(var f=[],m=[],y=[],p=0,x=0;p<a.length;p+=3,x+=2)e.vertices.push(new r(a[p],a[p+1],a[p+2])),void 0!==o&&f.push(new r(o[p],o[p+1],o[p+2])),void 0!==c&&e.colors.push(new u(c[p],c[p+1],c[p+2])),void 0!==l&&m.push(new h(l[x],l[x+1])),void 0!==d&&y.push(new h(d[x],d[x+1]));var v=t.groups;if(v.length>0)for(p=0;p<v.length;p++)for(var g=v[p],w=g.start,x=w,M=w+g.count;x<M;x+=3)void 0!==n?i(n[x],n[x+1],n[x+2],g.materialIndex):i(x,x+1,x+2,g.materialIndex);else if(void 0!==n)for(p=0;p<n.length;p+=3)i(n[p],n[p+1],n[p+2]);else for(p=0;p<a.length/3;p+=3)i(p,p+1,p+2);return this.computeFaceNormals(),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this},center:function(){this.computeBoundingBox();var t=this.boundingBox.getCenter().negate();return this.translate(t.x,t.y,t.z),t},normalize:function(){this.computeBoundingSphere();var t=this.boundingSphere.center,e=this.boundingSphere.radius,r=0===e?1:1/e,n=new i;return n.set(r,0,0,-r*t.x,0,r,0,-r*t.y,0,0,r,-r*t.z,0,0,0,1),this.applyMatrix(n),this},computeFaceNormals:function(){for(var t=new r,i=new r,e=0,n=this.faces.length;e<n;e++){var s=this.faces[e],a=this.vertices[s.a],o=this.vertices[s.b],h=this.vertices[s.c];t.subVectors(h,o),i.subVectors(a,o),t.cross(i),t.normalize(),s.normal.copy(t)}},computeVertexNormals:function(t){void 0===t&&(t=!0);var i,e,n,s,a,o;for(o=new Array(this.vertices.length),i=0,e=this.vertices.length;i<e;i++)o[i]=new r;if(t){var h,u,c,l=new r,d=new r;for(n=0,s=this.faces.length;n<s;n++)a=this.faces[n],h=this.vertices[a.a],u=this.vertices[a.b],c=this.vertices[a.c],l.subVectors(c,u),d.subVectors(h,u),l.cross(d),o[a.a].add(l),o[a.b].add(l),o[a.c].add(l)}else for(this.computeFaceNormals(),n=0,s=this.faces.length;n<s;n++)o[(a=this.faces[n]).a].add(a.normal),o[a.b].add(a.normal),o[a.c].add(a.normal);for(i=0,e=this.vertices.length;i<e;i++)o[i].normalize();for(n=0,s=this.faces.length;n<s;n++){var f=(a=this.faces[n]).vertexNormals;3===f.length?(f[0].copy(o[a.a]),f[1].copy(o[a.b]),f[2].copy(o[a.c])):(f[0]=o[a.a].clone(),f[1]=o[a.b].clone(),f[2]=o[a.c].clone())}this.faces.length>0&&(this.normalsNeedUpdate=!0)},computeFlatVertexNormals:function(){var t,i,e;for(this.computeFaceNormals(),t=0,i=this.faces.length;t<i;t++){var r=(e=this.faces[t]).vertexNormals;3===r.length?(r[0].copy(e.normal),r[1].copy(e.normal),r[2].copy(e.normal)):(r[0]=e.normal.clone(),r[1]=e.normal.clone(),r[2]=e.normal.clone())}this.faces.length>0&&(this.normalsNeedUpdate=!0)},computeMorphNormals:function(){var t,i,e,n,s;for(e=0,n=this.faces.length;e<n;e++)for((s=this.faces[e]).__originalFaceNormal?s.__originalFaceNormal.copy(s.normal):s.__originalFaceNormal=s.normal.clone(),s.__originalVertexNormals||(s.__originalVertexNormals=[]),t=0,i=s.vertexNormals.length;t<i;t++)s.__originalVertexNormals[t]?s.__originalVertexNormals[t].copy(s.vertexNormals[t]):s.__originalVertexNormals[t]=s.vertexNormals[t].clone();var a=new M;for(a.faces=this.faces,t=0,i=this.morphTargets.length;t<i;t++){if(!this.morphNormals[t]){this.morphNormals[t]={},this.morphNormals[t].faceNormals=[],this.morphNormals[t].vertexNormals=[];var o=this.morphNormals[t].faceNormals,h=this.morphNormals[t].vertexNormals;for(e=0,n=this.faces.length;e<n;e++)c=new r,l={a:new r,b:new r,c:new r},o.push(c),h.push(l)}var u=this.morphNormals[t];a.vertices=this.morphTargets[t].vertices,a.computeFaceNormals(),a.computeVertexNormals();var c,l;for(e=0,n=this.faces.length;e<n;e++)s=this.faces[e],c=u.faceNormals[e],l=u.vertexNormals[e],c.copy(s.normal),l.a.copy(s.vertexNormals[0]),l.b.copy(s.vertexNormals[1]),l.c.copy(s.vertexNormals[2])}for(e=0,n=this.faces.length;e<n;e++)(s=this.faces[e]).normal=s.__originalFaceNormal,s.vertexNormals=s.__originalVertexNormals},computeLineDistances:function(){for(var t=0,i=this.vertices,e=0,r=i.length;e<r;e++)e>0&&(t+=i[e].distanceTo(i[e-1])),this.lineDistances[e]=t},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new s),this.boundingBox.setFromPoints(this.vertices)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new n),this.boundingSphere.setFromPoints(this.vertices)},merge:function(t,i,e){if(!t||!t.isGeometry)return void console.error("THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.",t);var r,n=this.vertices.length,s=this.vertices,a=t.vertices,o=this.faces,h=t.faces,u=this.faceVertexUvs[0],c=t.faceVertexUvs[0],l=this.colors,d=t.colors;void 0===e&&(e=0),void 0!==i&&(r=(new x).getNormalMatrix(i));for(var f=0,m=a.length;f<m;f++){var y=a[f].clone();void 0!==i&&y.applyMatrix4(i),s.push(y)}for(var f=0,m=d.length;f<m;f++)l.push(d[f].clone());for(f=0,m=h.length;f<m;f++){var p,v,g,w=h[f],M=w.vertexNormals,z=w.vertexColors;(p=new b(w.a+n,w.b+n,w.c+n)).normal.copy(w.normal),void 0!==r&&p.normal.applyMatrix3(r).normalize();for(var _=0,A=M.length;_<A;_++)v=M[_].clone(),void 0!==r&&v.applyMatrix3(r).normalize(),p.vertexNormals.push(v);p.color.copy(w.color);for(var _=0,A=z.length;_<A;_++)g=z[_],p.vertexColors.push(g.clone());p.materialIndex=w.materialIndex+e,o.push(p)}for(f=0,m=c.length;f<m;f++){var S=c[f],N=[];if(void 0!==S){for(var _=0,A=S.length;_<A;_++)N.push(S[_].clone());u.push(N)}}},mergeMesh:function(t){if(!t||!t.isMesh)return void console.error("THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.",t);t.matrixAutoUpdate&&t.updateMatrix(),this.merge(t.geometry,t.matrix)},mergeVertices:function(){var t,i,e,r,n,s,a,o,h={},u=[],c=[],l=Math.pow(10,4);for(e=0,r=this.vertices.length;e<r;e++)t=this.vertices[e],void 0===h[i=Math.round(t.x*l)+"_"+Math.round(t.y*l)+"_"+Math.round(t.z*l)]?(h[i]=e,u.push(this.vertices[e]),c[e]=u.length-1):c[e]=c[h[i]];var d=[];for(e=0,r=this.faces.length;e<r;e++){(n=this.faces[e]).a=c[n.a],n.b=c[n.b],n.c=c[n.c],s=[n.a,n.b,n.c];for(var f=0;f<3;f++)if(s[f]===s[(f+1)%3]){d.push(e);break}}for(e=d.length-1;e>=0;e--){var m=d[e];for(this.faces.splice(m,1),a=0,o=this.faceVertexUvs.length;a<o;a++)this.faceVertexUvs[a].splice(m,1)}var y=this.vertices.length-u.length;return this.vertices=u,y},sortFacesByMaterialIndex:function(){function t(t,i){return t.materialIndex-i.materialIndex}for(var i=this.faces,e=i.length,r=0;r<e;r++)i[r]._id=r;i.sort(t);var n,s,a=this.faceVertexUvs[0],o=this.faceVertexUvs[1];a&&a.length===e&&(n=[]),o&&o.length===e&&(s=[]);for(r=0;r<e;r++){var h=i[r]._id;n&&n.push(a[h]),s&&s.push(o[h])}n&&(this.faceVertexUvs[0]=n),s&&(this.faceVertexUvs[1]=s)},toJSON:function(){function t(t,i,e){return e?t|1<<i:t&~(1<<i)}function i(t){var i=t.x.toString()+t.y.toString()+t.z.toString();return void 0!==d[i]?d[i]:(d[i]=l.length/3,l.push(t.x,t.y,t.z),d[i])}function e(t){var i=t.r.toString()+t.g.toString()+t.b.toString();return void 0!==m[i]?m[i]:(m[i]=f.length,f.push(t.getHex()),m[i])}function r(t){var i=t.x.toString()+t.y.toString();return void 0!==p[i]?p[i]:(p[i]=y.length/2,y.push(t.x,t.y),p[i])}var n={metadata:{version:4.5,type:"Geometry",generator:"Geometry.toJSON"}};if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),void 0!==this.parameters){var s=this.parameters;for(var a in s)void 0!==s[a]&&(n[a]=s[a]);return n}for(var o=[],h=0;h<this.vertices.length;h++){var u=this.vertices[h];o.push(u.x,u.y,u.z)}for(var c=[],l=[],d={},f=[],m={},y=[],p={},h=0;h<this.faces.length;h++){var x=this.faces[h],v=void 0!==this.faceVertexUvs[0][h],g=x.normal.length()>0,b=x.vertexNormals.length>0,w=1!==x.color.r||1!==x.color.g||1!==x.color.b,M=x.vertexColors.length>0,z=0;if(z=t(z,0,0),z=t(z,1,!0),z=t(z,2,!1),z=t(z,3,v),z=t(z,4,g),z=t(z,5,b),z=t(z,6,w),z=t(z,7,M),c.push(z),c.push(x.a,x.b,x.c),c.push(x.materialIndex),v){var _=this.faceVertexUvs[0][h];c.push(r(_[0]),r(_[1]),r(_[2]))}if(g&&c.push(i(x.normal)),b){var A=x.vertexNormals;c.push(i(A[0]),i(A[1]),i(A[2]))}if(w&&c.push(e(x.color)),M){var S=x.vertexColors;c.push(e(S[0]),e(S[1]),e(S[2]))}}return n.data={},n.data.vertices=o,n.data.normals=l,f.length>0&&(n.data.colors=f),y.length>0&&(n.data.uvs=[y]),n.data.faces=c,n},clone:function(){return(new M).copy(this)},copy:function(t){var i,e,r,n,s,a;this.vertices=[],this.colors=[],this.faces=[],this.faceVertexUvs=[[]],this.morphTargets=[],this.morphNormals=[],this.skinWeights=[],this.skinIndices=[],this.lineDistances=[],this.boundingBox=null,this.boundingSphere=null,this.name=t.name;var o=t.vertices;for(i=0,e=o.length;i<e;i++)this.vertices.push(o[i].clone());var h=t.colors;for(i=0,e=h.length;i<e;i++)this.colors.push(h[i].clone());var u=t.faces;for(i=0,e=u.length;i<e;i++)this.faces.push(u[i].clone());for(i=0,e=t.faceVertexUvs.length;i<e;i++){var c=t.faceVertexUvs[i];for(void 0===this.faceVertexUvs[i]&&(this.faceVertexUvs[i]=[]),r=0,n=c.length;r<n;r++){var l=c[r],d=[];for(s=0,a=l.length;s<a;s++){var f=l[s];d.push(f.clone())}this.faceVertexUvs[i].push(d)}}var m=t.morphTargets;for(i=0,e=m.length;i<e;i++){var y={};if(y.name=m[i].name,void 0!==m[i].vertices)for(y.vertices=[],r=0,n=m[i].vertices.length;r<n;r++)y.vertices.push(m[i].vertices[r].clone());if(void 0!==m[i].normals)for(y.normals=[],r=0,n=m[i].normals.length;r<n;r++)y.normals.push(m[i].normals[r].clone());this.morphTargets.push(y)}var p=t.morphNormals;for(i=0,e=p.length;i<e;i++){var x={};if(void 0!==p[i].vertexNormals)for(x.vertexNormals=[],r=0,n=p[i].vertexNormals.length;r<n;r++){var v=p[i].vertexNormals[r],g={};g.a=v.a.clone(),g.b=v.b.clone(),g.c=v.c.clone(),x.vertexNormals.push(g)}if(void 0!==p[i].faceNormals)for(x.faceNormals=[],r=0,n=p[i].faceNormals.length;r<n;r++)x.faceNormals.push(p[i].faceNormals[r].clone());this.morphNormals.push(x)}var b=t.skinWeights;for(i=0,e=b.length;i<e;i++)this.skinWeights.push(b[i].clone());var w=t.skinIndices;for(i=0,e=w.length;i<e;i++)this.skinIndices.push(w[i].clone());var M=t.lineDistances;for(i=0,e=M.length;i<e;i++)this.lineDistances.push(M[i]);var z=t.boundingBox;null!==z&&(this.boundingBox=z.clone());var _=t.boundingSphere;return null!==_&&(this.boundingSphere=_.clone()),this.elementsNeedUpdate=t.elementsNeedUpdate,this.verticesNeedUpdate=t.verticesNeedUpdate,this.uvsNeedUpdate=t.uvsNeedUpdate,this.normalsNeedUpdate=t.normalsNeedUpdate,this.colorsNeedUpdate=t.colorsNeedUpdate,this.lineDistancesNeedUpdate=t.lineDistancesNeedUpdate,this.groupsNeedUpdate=t.groupsNeedUpdate,this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),z.MaxIndex=65535,Object.assign(z.prototype,a.prototype,{isBufferGeometry:!0,getIndex:function(){return this.index},setIndex:function(t){Array.isArray(t)?this.index=new(g(t)>65535?d:l)(t,1):this.index=t},addAttribute:function(t,i){return i&&i.isBufferAttribute||i&&i.isInterleavedBufferAttribute?"index"===t?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),void this.setIndex(i)):(this.attributes[t]=i,this):(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),void this.addAttribute(t,new c(arguments[1],arguments[2])))},getAttribute:function(t){return this.attributes[t]},removeAttribute:function(t){return delete this.attributes[t],this},addGroup:function(t,i,e){this.groups.push({start:t,count:i,materialIndex:void 0!==e?e:0})},clearGroups:function(){this.groups=[]},setDrawRange:function(t,i){this.drawRange.start=t,this.drawRange.count=i},applyMatrix:function(t){var i=this.attributes.position;void 0!==i&&(t.applyToBufferAttribute(i),i.needsUpdate=!0);var e=this.attributes.normal;return void 0!==e&&((new x).getNormalMatrix(t).applyToBufferAttribute(e),e.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(){var t=new i;return function(i){return t.makeRotationX(i),this.applyMatrix(t),this}}(),rotateY:function(){var t=new i;return function(i){return t.makeRotationY(i),this.applyMatrix(t),this}}(),rotateZ:function(){var t=new i;return function(i){return t.makeRotationZ(i),this.applyMatrix(t),this}}(),translate:function(){var t=new i;return function(i,e,r){return t.makeTranslation(i,e,r),this.applyMatrix(t),this}}(),scale:function(){var t=new i;return function(i,e,r){return t.makeScale(i,e,r),this.applyMatrix(t),this}}(),lookAt:function(){var t=new v;return function(i){t.lookAt(i),t.updateMatrix(),this.applyMatrix(t.matrix)}}(),center:function(){this.computeBoundingBox();var t=this.boundingBox.getCenter().negate();return this.translate(t.x,t.y,t.z),t},setFromObject:function(t){var i=t.geometry;if(t.isPoints||t.isLine){var e=new f(3*i.vertices.length,3),r=new f(3*i.colors.length,3);if(this.addAttribute("position",e.copyVector3sArray(i.vertices)),this.addAttribute("color",r.copyColorsArray(i.colors)),i.lineDistances&&i.lineDistances.length===i.vertices.length){var n=new f(i.lineDistances.length,1);this.addAttribute("lineDistance",n.copyArray(i.lineDistances))}null!==i.boundingSphere&&(this.boundingSphere=i.boundingSphere.clone()),null!==i.boundingBox&&(this.boundingBox=i.boundingBox.clone())}else t.isMesh&&i&&i.isGeometry&&this.fromGeometry(i);return this},updateFromObject:function(t){var i=t.geometry;if(t.isMesh){var e=i.__directGeometry;if(!0===i.elementsNeedUpdate&&(e=void 0,i.elementsNeedUpdate=!1),void 0===e)return this.fromGeometry(i);e.verticesNeedUpdate=i.verticesNeedUpdate,e.normalsNeedUpdate=i.normalsNeedUpdate,e.colorsNeedUpdate=i.colorsNeedUpdate,e.uvsNeedUpdate=i.uvsNeedUpdate,e.groupsNeedUpdate=i.groupsNeedUpdate,i.verticesNeedUpdate=!1,i.normalsNeedUpdate=!1,i.colorsNeedUpdate=!1,i.uvsNeedUpdate=!1,i.groupsNeedUpdate=!1,i=e}var r;return!0===i.verticesNeedUpdate&&(void 0!==(r=this.attributes.position)&&(r.copyVector3sArray(i.vertices),r.needsUpdate=!0),i.verticesNeedUpdate=!1),!0===i.normalsNeedUpdate&&(void 0!==(r=this.attributes.normal)&&(r.copyVector3sArray(i.normals),r.needsUpdate=!0),i.normalsNeedUpdate=!1),!0===i.colorsNeedUpdate&&(void 0!==(r=this.attributes.color)&&(r.copyColorsArray(i.colors),r.needsUpdate=!0),i.colorsNeedUpdate=!1),i.uvsNeedUpdate&&(void 0!==(r=this.attributes.uv)&&(r.copyVector2sArray(i.uvs),r.needsUpdate=!0),i.uvsNeedUpdate=!1),i.lineDistancesNeedUpdate&&(void 0!==(r=this.attributes.lineDistance)&&(r.copyArray(i.lineDistances),r.needsUpdate=!0),i.lineDistancesNeedUpdate=!1),i.groupsNeedUpdate&&(i.computeGroups(t.geometry),this.groups=i.groups,i.groupsNeedUpdate=!1),this},fromGeometry:function(t){return t.__directGeometry=(new m).fromGeometry(t),this.fromDirectGeometry(t.__directGeometry)},fromDirectGeometry:function(t){var i=new Float32Array(3*t.vertices.length);if(this.addAttribute("position",new c(i,3).copyVector3sArray(t.vertices)),t.normals.length>0){var e=new Float32Array(3*t.normals.length);this.addAttribute("normal",new c(e,3).copyVector3sArray(t.normals))}if(t.colors.length>0){var r=new Float32Array(3*t.colors.length);this.addAttribute("color",new c(r,3).copyColorsArray(t.colors))}if(t.uvs.length>0){var n=new Float32Array(2*t.uvs.length);this.addAttribute("uv",new c(n,2).copyVector2sArray(t.uvs))}if(t.uvs2.length>0){var s=new Float32Array(2*t.uvs2.length);this.addAttribute("uv2",new c(s,2).copyVector2sArray(t.uvs2))}if(t.indices.length>0){var a=new(g(t.indices)>65535?Uint32Array:Uint16Array)(3*t.indices.length);this.setIndex(new c(a,1).copyIndicesArray(t.indices))}this.groups=t.groups;for(var o in t.morphTargets){for(var h=[],u=t.morphTargets[o],l=0,d=u.length;l<d;l++){var m=u[l],y=new f(3*m.length,3);h.push(y.copyVector3sArray(m))}this.morphAttributes[o]=h}if(t.skinIndices.length>0){var p=new f(4*t.skinIndices.length,4);this.addAttribute("skinIndex",p.copyVector4sArray(t.skinIndices))}if(t.skinWeights.length>0){var x=new f(4*t.skinWeights.length,4);this.addAttribute("skinWeight",x.copyVector4sArray(t.skinWeights))}return null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),this},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new s);var t=this.attributes.position;void 0!==t?this.boundingBox.setFromBufferAttribute(t):this.boundingBox.makeEmpty(),(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)},computeBoundingSphere:function(){var t=new s,i=new r;return function(){null===this.boundingSphere&&(this.boundingSphere=new n);var e=this.attributes.position;if(e){var r=this.boundingSphere.center;t.setFromBufferAttribute(e),t.getCenter(r);for(var s=0,a=0,o=e.count;a<o;a++)i.x=e.getX(a),i.y=e.getY(a),i.z=e.getZ(a),s=Math.max(s,r.distanceToSquared(i));this.boundingSphere.radius=Math.sqrt(s),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}}(),computeFaceNormals:function(){},computeVertexNormals:function(){var t=this.index,i=this.attributes,e=this.groups;if(i.position){var n=i.position.array;if(void 0===i.normal)this.addAttribute("normal",new c(new Float32Array(n.length),3));else for(var s=i.normal.array,a=0,o=s.length;a<o;a++)s[a]=0;var h,u,l,d=i.normal.array,f=new r,m=new r,y=new r,p=new r,x=new r;if(t){var v=t.array;0===e.length&&this.addGroup(0,v.length);for(var g=0,b=e.length;g<b;++g)for(var w=e[g],M=w.start,a=M,o=M+w.count;a<o;a+=3)h=3*v[a+0],u=3*v[a+1],l=3*v[a+2],f.fromArray(n,h),m.fromArray(n,u),y.fromArray(n,l),p.subVectors(y,m),x.subVectors(f,m),p.cross(x),d[h]+=p.x,d[h+1]+=p.y,d[h+2]+=p.z,d[u]+=p.x,d[u+1]+=p.y,d[u+2]+=p.z,d[l]+=p.x,d[l+1]+=p.y,d[l+2]+=p.z}else for(var a=0,o=n.length;a<o;a+=9)f.fromArray(n,a),m.fromArray(n,a+3),y.fromArray(n,a+6),p.subVectors(y,m),x.subVectors(f,m),p.cross(x),d[a]=p.x,d[a+1]=p.y,d[a+2]=p.z,d[a+3]=p.x,d[a+4]=p.y,d[a+5]=p.z,d[a+6]=p.x,d[a+7]=p.y,d[a+8]=p.z;this.normalizeNormals(),i.normal.needsUpdate=!0}},merge:function(t,i){if(!t||!t.isBufferGeometry)return void console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",t);void 0===i&&(i=0);var e=this.attributes;for(var r in e)if(void 0!==t.attributes[r])for(var n=e[r].array,s=t.attributes[r],a=s.array,o=0,h=s.itemSize*i;o<a.length;o++,h++)n[h]=a[o];return this},normalizeNormals:function(){for(var t,i,e,r,n=this.attributes.normal,s=0,a=n.count;s<a;s++)t=n.getX(s),i=n.getY(s),e=n.getZ(s),r=1/Math.sqrt(t*t+i*i+e*e),n.setXYZ(s,t*r,i*r,e*r)},toNonIndexed:function(){if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed."),this;var t=new 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