@xeokit/xeokit-sdk/dist/xeokit-sdk.min.es5.js

3D BIM IFC Viewer SDK for AEC engineering applications. Open Source JavaScript Toolkit based on pure WebGL for top performance, real-world coordinates and full double precision

/**
 * xeokit-sdk v2.6.107
 *  Commit: a1558d52a694d6b8435eb85661f0d13b0a1a6fea
 *  Built: 2026-03-12T09:09:01.366Z
 */

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p=r.join("");i.innerHTML=p,this._parentNode.appendChild(i),e.menuElement=i,i.style["border-radius"]="4px",i.style.display="none",i.style["z-index"]=3e5,i.style.background="white",i.style.border="1px solid black",i.style["box-shadow"]="0 4px 5px 0 gray",i.oncontextmenu=function(e){e.preventDefault()};var v=this,g=null;if(n)for(var m=0,y=n.length;m<y;m++){var _=n[m].items;if(_)for(var b=function(e,n){var r=_[e],i=r.subMenu;if(r.itemElement=t._parentNode.querySelector("#".concat(r.id)),!r.itemElement)return console.error("ContextMenu item element not found: "+r.id),"continue";r.itemElement.addEventListener("mouseenter",(function(e){e.preventDefault();var t=r.subMenu;if(t){if(g&&g.id!==t.id&&(v._hideMenu(g.id),g=null),!1!==r.enabled){var n=r.itemElement,i=t.menuElement,s=n.getBoundingClientRect();i.getBoundingClientRect();var a=v._offsetParent.getBoundingClientRect(),o=200,A=s.right+o<a.right,c=s.left-o>a.left;if(A)v._showMenu(t.id,s.right+window.scrollX-5,s.top+window.scrollY-1);else if(c)v._showMenu(t.id,s.left-o+window.scrollX,s.top+window.scrollY-1);else{var l=s.left-a.left,u=a.right-s.right;u>l?v._showMenu(t.id,s.right-5-(o-u),s.top+window.scrollY-1):v._showMenu(t.id,s.left-l,s.top+window.scrollY-1)}g=t}}else g&&(v._hideMenu(g.id),g=null)})),i||(r.itemElement.addEventListener("click",(function(e){e.preventDefault(),v._context&&!1!==r.enabled&&(r.doAction&&r.doAction(v._context),t._hideOnAction?v.hide():(v._updateItemsTitles(),v._updateItemsEnabledStatus()))})),r.itemElement.addEventListener("mouseup",(function(e){3===e.which&&(e.preventDefault(),v._context&&!1!==r.enabled&&(r.doAction&&r.doAction(v._context),t._hideOnAction?v.hide():(v._updateItemsTitles(),v._updateItemsEnabledStatus())))})),r.itemElement.addEventListener("mouseenter",(function(e){e.preventDefault(),!1!==r.enabled&&r.doHover&&r.doHover(v._context)})))},w=0,B=_.length;w<B;w++)b(w)}}},{key:"_updateItemsTitles",value:function(){if(this._context)for(var e=0,t=this._itemList.length;e<t;e++){var n=this._itemList[e],r=n.itemElement;if(r){var i=n.getShown;if(i&&i(this._context)){var s=n.getTitle(this._context);n.subMenu,r.innerText=s}}}}},{key:"_updateItemsEnabledStatus",value:function(){if(this._context)for(var e=0,t=this._itemList.length;e<t;e++){var n=this._itemList[e],r=n.itemElement;if(r){var i=n.getEnabled;if(i){var s=n.getShown;if(s){var a=s(this._context);if(n.shown=a,a){r.style.display="";var o=i(this._context);n.enabled=o,o?r.classList.remove("disabled"):r.classList.add("disabled")}else r.style.display="none"}}}}}},{key:"_updateSubMenuInfo",value:function(){var e,t,n,r,i,s;this._context&&this._itemList.forEach((function(a){a.subMenu&&(e=a.itemElement,t=e.getBoundingClientRect(),n=a.subMenu.menuElement,r={visibility:n.style.visibility,display:n.style.display},n.style.display="block",n.style.visibility="hidden",s=a.subMenu.menuElement.getBoundingClientRect().width,n.style.visibility=r.visibility,n.style.display=r.display,i=t.right+s>window.innerWidth,e.setAttribute("data-submenuposition",i?"left":"right"))}))}},{key:"_showMenu",value:function(e,t,n){var r=this._menuMap[e];if(r){if(!r.shown){var i=r.menuElement;i&&(this._showMenuElement(i,t,n),r.shown=!0)}}else console.error("Menu not found: "+e)}},{key:"_hideMenu",value:function(e){var t=this._menuMap[e];if(t){if(t.shown){var n=t.menuElement;n&&(this._hideMenuElement(n),t.shown=!1)}}else console.error("Menu not found: "+e)}},{key:"_hideAllMenus",value:function(){for(var e=0,t=this._menuList.length;e<t;e++){var n=this._menuList[e];this._hideMenu(n.id)}}},{key:"_showMenuElement",value:function(e,t,n){e.style.display="block";var r=e.offsetHeight,i=e.offsetWidth,s=this._offsetParent.getBoundingClientRect(),a=this._offsetParent===window.document.body&&0===s.bottom?window.innerHeight:s.bottom+window.scrollY,o=s.right+window.scrollX;n+r>a&&(n=a-r),t+i>o&&(t=o-i),e.style.left=t-s.left-window.scrollX+"px",e.style.top=n-s.top-window.scrollY+"px"}},{key:"_hideMenuElement",value:function(e){e.style.display="none"}}]),e}(),j=function(){function e(t){var n=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};x(this,e),this.viewer=t,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this._lensParams={canvasSize:300,cursorBorder:2,cursorSize:10},this._lensCursorDiv.style.borderRadius="50%",this._lensCursorDiv.style.width=this._lensParams.cursorSize+"px",this._lensCursorDiv.style.height=this._lensParams.cursorSize+"px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=r.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width=this._lensParams.canvasSize+"px",this._lensContainer.style.height=this._lensParams.canvasSize+"px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id="".concat(this._lensContainerId,"-canvas"),this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width=this._lensParams.canvasSize+"px",this._lensCanvas.style.height=this._lensParams.canvasSize+"px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensContainer.appendChild(this._lensCursorDiv),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=r.lensPosToggle||!0,this._lensPosToggleAmount=r.lensPosToggleAmount||85,this._lensPosMarginLeft=r.lensPosMarginLeft||85,this._lensPosMarginTop=r.lensPosMarginTop||25,this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),this._zoomLevel=r.zoomLevel||2,this._active=!1!==r.active,this._visible=!1,this.snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(function(){n._active&&n._visible&&n.update()}))}return I(e,[{key:"update",value:function(){if(this._active&&this._visible&&this._canvasPos){var e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),n=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),n&&(this._lensPosToggle?this._lensContainer.style.marginTop="".concat(t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount,"px"):this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);var r=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-r/2,this._canvasPos[1]-r/2,r,r,0,0,this._lensCanvas.width,this._lensCanvas.height);var i=this._lensParams.canvasSize/2-this._lensParams.cursorSize/2-this._lensParams.cursorBorder,s=this._snappedCanvasPos?this._snappedCanvasPos[0]-this._canvasPos[0]:0,a=this._snappedCanvasPos?this._snappedCanvasPos[1]-this._canvasPos[1]:0;this._lensCursorDiv.style.left="".concat(i+s*this._zoomLevel,"px"),this._lensCursorDiv.style.top="".concat(i+a*this._zoomLevel,"px")}}},{key:"zoomFactor",get:function(){return this._zoomFactor},set:function(e){this._zoomFactor=e,this.update()}},{key:"canvasPos",get:function(){return this._canvasPos},set:function(e){this._canvasPos=e,this.update()}},{key:"snappedCanvasPos",get:function(){return this._snappedCanvasPos},set:function(e){this._snappedCanvasPos=e,this.update()}},{key:"snapped",get:function(){return this._snapped},set:function(e){this._snapped=e;var t=k(e?["greenyellow","green"]:["pink","red"],2),n=t[0],r=t[1];this._lensCursorDiv.style.background=n,this._lensCursorDiv.style.border=this._lensParams.cursorBorder+"px solid 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function(t){for(var n=0,r=(t=Array.prototype.slice.call(t)).length;n<r;n++)t[n]=e(t[n]);return t}}(),xyzArrayToObject:function(e){return{x:e[0],y:e[1],z:e[2]}},xyzObjectToArray:function(e,t){return(t=t||De.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t},dupMat4:function(e){return e.slice(0,16)},mat4To3:function(e){return[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]]},m4s:function(e){return[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e]},setMat4ToZeroes:function(){return De.m4s(0)},setMat4ToOnes:function(){return De.m4s(1)},diagonalMat4v:function(e){return new Ue([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]])},diagonalMat4c:function(e,t,n,r){return De.diagonalMat4v([e,t,n,r])},diagonalMat4s:function(e){return De.diagonalMat4c(e,e,e,e)},identityMat4:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new Ue(16);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},identityMat3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new Ue(9);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e},isIdentityMat4:function(e){return 1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15]},negateMat4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t},addMat4:function(e,t,n){return n||(n=e),n[0]=e[0]+t[0],n[1]=e[1]+t[1],n[2]=e[2]+t[2],n[3]=e[3]+t[3],n[4]=e[4]+t[4],n[5]=e[5]+t[5],n[6]=e[6]+t[6],n[7]=e[7]+t[7],n[8]=e[8]+t[8],n[9]=e[9]+t[9],n[10]=e[10]+t[10],n[11]=e[11]+t[11],n[12]=e[12]+t[12],n[13]=e[13]+t[13],n[14]=e[14]+t[14],n[15]=e[15]+t[15],n},addMat4Scalar:function(e,t,n){return n||(n=e),n[0]=e[0]+t,n[1]=e[1]+t,n[2]=e[2]+t,n[3]=e[3]+t,n[4]=e[4]+t,n[5]=e[5]+t,n[6]=e[6]+t,n[7]=e[7]+t,n[8]=e[8]+t,n[9]=e[9]+t,n[10]=e[10]+t,n[11]=e[11]+t,n[12]=e[12]+t,n[13]=e[13]+t,n[14]=e[14]+t,n[15]=e[15]+t,n},addScalarMat4:function(e,t,n){return De.addMat4Scalar(t,e,n)},subMat4:function(e,t,n){return n||(n=e),n[0]=e[0]-t[0],n[1]=e[1]-t[1],n[2]=e[2]-t[2],n[3]=e[3]-t[3],n[4]=e[4]-t[4],n[5]=e[5]-t[5],n[6]=e[6]-t[6],n[7]=e[7]-t[7],n[8]=e[8]-t[8],n[9]=e[9]-t[9],n[10]=e[10]-t[10],n[11]=e[11]-t[11],n[12]=e[12]-t[12],n[13]=e[13]-t[13],n[14]=e[14]-t[14],n[15]=e[15]-t[15],n},subMat4Scalar:function(e,t,n){return n||(n=e),n[0]=e[0]-t,n[1]=e[1]-t,n[2]=e[2]-t,n[3]=e[3]-t,n[4]=e[4]-t,n[5]=e[5]-t,n[6]=e[6]-t,n[7]=e[7]-t,n[8]=e[8]-t,n[9]=e[9]-t,n[10]=e[10]-t,n[11]=e[11]-t,n[12]=e[12]-t,n[13]=e[13]-t,n[14]=e[14]-t,n[15]=e[15]-t,n},subScalarMat4:function(e,t,n){return n||(n=t),n[0]=e-t[0],n[1]=e-t[1],n[2]=e-t[2],n[3]=e-t[3],n[4]=e-t[4],n[5]=e-t[5],n[6]=e-t[6],n[7]=e-t[7],n[8]=e-t[8],n[9]=e-t[9],n[10]=e-t[10],n[11]=e-t[11],n[12]=e-t[12],n[13]=e-t[13],n[14]=e-t[14],n[15]=e-t[15],n},mulMat4:function(e,t,n){n||(n=e);var r=e[0],i=e[1],s=e[2],a=e[3],o=e[4],A=e[5],c=e[6],l=e[7],u=e[8],h=e[9],d=e[10],f=e[11],p=e[12],v=e[13],g=e[14],m=e[15],y=t[0],_=t[1],b=t[2],w=t[3],B=t[4],C=t[5],M=t[6],k=t[7],E=t[8],F=t[9],x=t[10],U=t[11],I=t[12],T=t[13],P=t[14],S=t[15];return n[0]=y*r+_*o+b*u+w*p,n[1]=y*i+_*A+b*h+w*v,n[2]=y*s+_*c+b*d+w*g,n[3]=y*a+_*l+b*f+w*m,n[4]=B*r+C*o+M*u+k*p,n[5]=B*i+C*A+M*h+k*v,n[6]=B*s+C*c+M*d+k*g,n[7]=B*a+C*l+M*f+k*m,n[8]=E*r+F*o+x*u+U*p,n[9]=E*i+F*A+x*h+U*v,n[10]=E*s+F*c+x*d+U*g,n[11]=E*a+F*l+x*f+U*m,n[12]=I*r+T*o+P*u+S*p,n[13]=I*i+T*A+P*h+S*v,n[14]=I*s+T*c+P*d+S*g,n[15]=I*a+T*l+P*f+S*m,n},mulMat3:function(e,t,n){n||(n=new Ue(9));var r=e[0],i=e[3],s=e[6],a=e[1],o=e[4],A=e[7],c=e[2],l=e[5],u=e[8],h=t[0],d=t[3],f=t[6],p=t[1],v=t[4],g=t[7],m=t[2],y=t[5],_=t[8];return n[0]=r*h+i*p+s*m,n[3]=r*d+i*v+s*y,n[6]=r*f+i*g+s*_,n[1]=a*h+o*p+A*m,n[4]=a*d+o*v+A*y,n[7]=a*f+o*g+A*_,n[2]=c*h+l*p+u*m,n[5]=c*d+l*v+u*y,n[8]=c*f+l*g+u*_,n},mulMat4Scalar:function(e,t,n){return n||(n=e),n[0]=e[0]*t,n[1]=e[1]*t,n[2]=e[2]*t,n[3]=e[3]*t,n[4]=e[4]*t,n[5]=e[5]*t,n[6]=e[6]*t,n[7]=e[7]*t,n[8]=e[8]*t,n[9]=e[9]*t,n[10]=e[10]*t,n[11]=e[11]*t,n[12]=e[12]*t,n[13]=e[13]*t,n[14]=e[14]*t,n[15]=e[15]*t,n},mulMat4v4:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:De.vec4(),r=t[0],i=t[1],s=t[2],a=t[3];return n[0]=e[0]*r+e[4]*i+e[8]*s+e[12]*a,n[1]=e[1]*r+e[5]*i+e[9]*s+e[13]*a,n[2]=e[2]*r+e[6]*i+e[10]*s+e[14]*a,n[3]=e[3]*r+e[7]*i+e[11]*s+e[15]*a,n},transposeMat4:function(e,t){var n=e[4],r=e[14],i=e[8],s=e[13],a=e[12],o=e[9];if(!t||e===t){var A=e[1],c=e[2],l=e[3],u=e[6],h=e[7],d=e[11];return e[1]=n,e[2]=i,e[3]=a,e[4]=A,e[6]=o,e[7]=s,e[8]=c,e[9]=u,e[11]=r,e[12]=l,e[13]=h,e[14]=d,e}return t[0]=e[0],t[1]=n,t[2]=i,t[3]=a,t[4]=e[1],t[5]=e[5],t[6]=o,t[7]=s,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=r,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3:function(e,t){if(t===e){var n=e[1],r=e[2],i=e[5];t[1]=e[3],t[2]=e[6],t[3]=n,t[5]=e[7],t[6]=r,t[7]=i}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4:function(e){var t=e[0],n=e[1],r=e[2],i=e[3],s=e[4],a=e[5],o=e[6],A=e[7],c=e[8],l=e[9],u=e[10],h=e[11],d=e[12],f=e[13],p=e[14],v=e[15];return d*l*o*i-c*f*o*i-d*a*u*i+s*f*u*i+c*a*p*i-s*l*p*i-d*l*r*A+c*f*r*A+d*n*u*A-t*f*u*A-c*n*p*A+t*l*p*A+d*a*r*h-s*f*r*h-d*n*o*h+t*f*o*h+s*n*p*h-t*a*p*h-c*a*r*v+s*l*r*v+c*n*o*v-t*l*o*v-s*n*u*v+t*a*u*v},inverseMat4:function(e,t){t||(t=e);var n=e[0],r=e[1],i=e[2],s=e[3],a=e[4],o=e[5],A=e[6],c=e[7],l=e[8],u=e[9],h=e[10],d=e[11],f=e[12],p=e[13],v=e[14],g=e[15],m=n*o-r*a,y=n*A-i*a,_=n*c-s*a,b=r*A-i*o,w=r*c-s*o,B=i*c-s*A,C=l*p-u*f,M=l*v-h*f,k=l*g-d*f,E=u*v-h*p,F=u*g-d*p,x=h*g-d*v,U=1/(m*x-y*F+_*E+b*k-w*M+B*C);return t[0]=(o*x-A*F+c*E)*U,t[1]=(-r*x+i*F-s*E)*U,t[2]=(p*B-v*w+g*b)*U,t[3]=(-u*B+h*w-d*b)*U,t[4]=(-a*x+A*k-c*M)*U,t[5]=(n*x-i*k+s*M)*U,t[6]=(-f*B+v*_-g*y)*U,t[7]=(l*B-h*_+d*y)*U,t[8]=(a*F-o*k+c*C)*U,t[9]=(-n*F+r*k-s*C)*U,t[10]=(f*w-p*_+g*m)*U,t[11]=(-l*w+u*_-d*m)*U,t[12]=(-a*E+o*M-A*C)*U,t[13]=(n*E-r*M+i*C)*U,t[14]=(-f*b+p*y-v*m)*U,t[15]=(l*b-u*y+h*m)*U,t},traceMat4:function(e){return e[0]+e[5]+e[10]+e[15]},translationMat4v:function(e,t){var n=t||De.identityMat4();return n[12]=e[0],n[13]=e[1],n[14]=e[2],n},translationMat3v:function(e,t){var n=t||De.identityMat3();return n[6]=e[0],n[7]=e[1],n},translationMat4c:(Ee=new Ue(3),function(e,t,n,r){return Ee[0]=e,Ee[1]=t,Ee[2]=n,De.translationMat4v(Ee,r)}),translationMat4s:function(e,t){return De.translationMat4c(e,e,e,t)},translateMat4v:function(e,t){return De.translateMat4c(e[0],e[1],e[2],t)},translateMat4c:function(e,t,n,r){var i=r[3];r[0]+=i*e,r[1]+=i*t,r[2]+=i*n;var s=r[7];r[4]+=s*e,r[5]+=s*t,r[6]+=s*n;var a=r[11];r[8]+=a*e,r[9]+=a*t,r[10]+=a*n;var o=r[15];return r[12]+=o*e,r[13]+=o*t,r[14]+=o*n,r},setMat4Translation:function(e,t,n){return n[0]=e[0],n[1]=e[1],n[2]=e[2],n[3]=e[3],n[4]=e[4],n[5]=e[5],n[6]=e[6],n[7]=e[7],n[8]=e[8],n[9]=e[9],n[10]=e[10],n[11]=e[11],n[12]=t[0],n[13]=t[1],n[14]=t[2],n[15]=e[15],n},rotationMat4v:function(e,t,n){var r,i,s,a,o,A,c=De.normalizeVec4([t[0],t[1],t[2],0],[]),l=Math.sin(e),u=Math.cos(e),h=1-u,d=c[0],f=c[1],p=c[2];return r=d*f,i=f*p,s=p*d,a=d*l,o=f*l,A=p*l,(n=n||De.mat4())[0]=h*d*d+u,n[1]=h*r+A,n[2]=h*s-o,n[3]=0,n[4]=h*r-A,n[5]=h*f*f+u,n[6]=h*i+a,n[7]=0,n[8]=h*s+o,n[9]=h*i-a,n[10]=h*p*p+u,n[11]=0,n[12]=0,n[13]=0,n[14]=0,n[15]=1,n},rotationMat4c:function(e,t,n,r,i){return De.rotationMat4v(e,[t,n,r],i)},scalingMat4v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:De.identityMat4();return t[0]=e[0],t[5]=e[1],t[10]=e[2],t},scalingMat3v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:De.identityMat3();return t[0]=e[0],t[4]=e[1],t},scalingMat4c:function(){var e=new Ue(3);return function(t,n,r,i){return e[0]=t,e[1]=n,e[2]=r,De.scalingMat4v(e,i)}}(),scaleMat4c:function(e,t,n,r){return r[0]*=e,r[4]*=t,r[8]*=n,r[1]*=e,r[5]*=t,r[9]*=n,r[2]*=e,r[6]*=t,r[10]*=n,r[3]*=e,r[7]*=t,r[11]*=n,r},scaleMat4v:function(e,t){var n=e[0],r=e[1],i=e[2];return t[0]*=n,t[4]*=r,t[8]*=i,t[1]*=n,t[5]*=r,t[9]*=i,t[2]*=n,t[6]*=r,t[10]*=i,t[3]*=n,t[7]*=r,t[11]*=i,t},scalingMat4s:function(e){return De.scalingMat4c(e,e,e)},rotationTranslationMat4:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:De.mat4(),r=e[0],i=e[1],s=e[2],a=e[3],o=r+r,A=i+i,c=s+s,l=r*o,u=r*A,h=r*c,d=i*A,f=i*c,p=s*c,v=a*o,g=a*A,m=a*c;return n[0]=1-(d+p),n[1]=u+m,n[2]=h-g,n[3]=0,n[4]=u-m,n[5]=1-(l+p),n[6]=f+v,n[7]=0,n[8]=h+g,n[9]=f-v,n[10]=1-(l+d),n[11]=0,n[12]=t[0],n[13]=t[1],n[14]=t[2],n[15]=1,n},mat4ToEuler:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:De.vec4(),r=De.clamp,i=e[0],s=e[4],a=e[8],o=e[1],A=e[5],c=e[9],l=e[2],u=e[6],h=e[10];return"XYZ"===t?(n[1]=Math.asin(r(a,-1,1)),Math.abs(a)<.99999?(n[0]=Math.atan2(-c,h),n[2]=Math.atan2(-s,i)):(n[0]=Math.atan2(u,A),n[2]=0)):"YXZ"===t?(n[0]=Math.asin(-r(c,-1,1)),Math.abs(c)<.99999?(n[1]=Math.atan2(a,h),n[2]=Math.atan2(o,A)):(n[1]=Math.atan2(-l,i),n[2]=0)):"ZXY"===t?(n[0]=Math.asin(r(u,-1,1)),Math.abs(u)<.99999?(n[1]=Math.atan2(-l,h),n[2