@xtctwins/tctwins-core/dist/tctwins-core.es5.js

Web Programming Toolkit for 3D/2D BIM and CAD

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 * A PointerLens shows a magnified view of a {@link Viewer}'s canvas, centered at the position of the
 * mouse or touch pointer.
 *
 * This component is used by {@link DistanceMeasurementsControl} and {@link AngleMeasurementsControl}
 * to help position the pointer when snap-to-vertex or snap-toedge is enabled.
 *
 * [[Run example](https://xeokit.github.io/xeokit-sdk/examples/measurements/#distance_modelWithMeasurements)]
 *
 * ````JavaScript
 *
 *  import {Viewer, XTCLoaderPlugin, AngleMeasurementsPlugin, AngleMeasurementsMouseControl, PointerLens} from "../../dist/xeokit-sdk.es.js";
 *
 *  const viewer = new Viewer({
 *      canvasId: "myCanvas",
 *      dtxEnabled: true
 *  });
 *
 *  viewer.camera.eye = [-3.93, 2.85, 27.01];
 *  viewer.camera.look = [4.40, 3.72, 8.89];
 *  viewer.camera.up = [-0.01, 0.99, 0.039];
 *
 *  const xtcLoader = new XTCLoaderPlugin(viewer);
 *
 *  const sceneModel = xtcLoader.load({
 *      id: "myModel",
 *      src: "../../assets/models/xtc/v10/glTF-Embedded/Duplex_A_20110505.glTFEmbedded.xtc",
 *      edges: true
 *  });
 *
 *  const angleMeasurements = new AngleMeasurementsPlugin(viewer);
 *
 *  const angleMeasurementsMouseControl  = new AngleMeasurementsMouseControl(angleMeasurements, {
 *      pointerLens : new PointerLens(viewer, {
 *          zoomFactor: 2
 *      })
 *  })
 *
 *  angleMeasurementsMouseControl.activate();
 * ````
 */var PointerLens=/*#__PURE__*/function(){/**
	 * Constructs a new PointerLens.
	 * @param viewer The Viewer
	 * @param [cfg] PointerLens configuration.
	 * @param [cfg.active=true] Whether PointerLens is active. The PointerLens can only be shown when this is `true` (default).
	 */function PointerLens(viewer){var _this2=this;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,PointerLens);this.viewer=viewer;this.scene=this.viewer.scene;this._lensCursorDiv=document.createElement("div");this._lensCursorDiv.setAttribute("class","pointerLensCursor");document.body.append(this._lensCursorDiv);this._lensCursorDiv.style.background="pink";this._lensCursorDiv.style.border="2px solid red";this._lensCursorDiv.style.borderRadius="20px";this._lensCursorDiv.style.width="10px";this._lensCursorDiv.style.height="10px";this._lensCursorDiv.style.margin="-200px -200px";this._lensCursorDiv.style.zIndex="100000";this._lensCursorDiv.style.position="absolute";this._lensCursorDiv.style.pointerEvents="none";this._lensContainer=document.createElement("div");this._lensContainer.setAttribute("class","pointerLens");this._lensContainer.style.border="1px solid black";this._lensContainer.style.background="white";//    this._lensContainer.style.opacity = "0";
this._lensContainer.style.borderRadius="50%";this._lensContainer.style.width="300px";this._lensContainer.style.height="300px";this._lensContainer.style.marginTop="85px";this._lensContainer.style.marginLeft="25px";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.style.background = "darkblue";
this._lensCanvas.style.borderRadius="50%";this._lensCanvas.style.width="300px";this._lensCanvas.style.height="300px";this._lensCanvas.style.zIndex="15000";this._lensCanvas.style.pointerEvents="none";document.body.appendChild(this._lensContainer);this._lensContainer.appendChild(this._lensCanvas);this._lensCanvasContext=this._lensCanvas.getContext("2d");this._canvasElement=this.viewer.scene.canvas.canvas;this._canvasPos=null;this._snappedCanvasPos=null;this._lensPosToggle=true;this._zoomLevel=cfg.zoomFactor!==undefined?cfg.zoomFactor:2;this._active=cfg.active!==false;this._visible=false;this._snapped=false;this._onViewerRendering=this.viewer.scene.on("rendering",function(){if(_this2._active&&_this2._visible){_this2.update();}});}/**
	 * Updates this PointerLens.
	 */return _createClass(PointerLens,[{key:"update",value:function update(){if(!this._active||!this._visible){return;}if(!this._canvasPos){return;}var lensRect=this._lensContainer.getBoundingClientRect();var canvasRect=this._canvasElement.getBoundingClientRect();var pointerOnLens=this._canvasPos[0]<lensRect.right&&this._canvasPos[0]>lensRect.left&&this._canvasPos[1]<lensRect.bottom&&this._canvasPos[1]>lensRect.top;this._lensContainer.style.marginLeft="25px";if(pointerOnLens){if(this._lensPosToggle){this._lensContainer.style.marginTop="".concat(canvasRect.bottom-canvasRect.top-this._lensCanvas.height-85,"px");}else{this._lensContainer.style.marginTop="85px";}this._lensPosToggle=!this._lensPosToggle;}this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);var size=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,// source canvas
this._canvasPos[0]-size/2,// source x (zoom center)
this._canvasPos[1]-size/2,// source y (zoom center)
size,// source width
size,// source height
0,// destination x
0,// destination y
this._lensCanvas.width,// destination width
this._lensCanvas.height// destination height
);var centerLensCanvas=[(lensRect.left+lensRect.right)/2,(lensRect.top+lensRect.bottom)/2];if(this._snappedCanvasPos){var deltaX=this._snappedCanvasPos[0]-this._canvasPos[0];var deltaY=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft="".concat(centerLensCanvas[0]+deltaX*this._zoomLevel-10,"px");this._lensCursorDiv.style.marginTop="".concat(centerLensCanvas[1]+deltaY*this._zoomLevel-10,"px");}else{this._lensCursorDiv.style.marginLeft="".concat(centerLensCanvas[0]-10,"px");this._lensCursorDiv.style.marginTop="".concat(centerLensCanvas[1]-10,"px");}}/**
	 * Sets the zoom factor for the lens.
	 *
	 * This is `2` by default.
	 *
	 * @param zoomFactor
	 */},{key:"zoomFactor",get:/**
	 * Gets the zoom factor for the lens.
	 *
	 * This is `2` by default.
	 *
	 * @returns Number
	 */function get(){return this._zoomLevel;}/**
	 * Sets the canvas central position of the lens.
	 * @param canvasPos
	 */,set:function set(zoomFactor){this._zoomLevel=zoomFactor;this.update();}},{key:"canvasPos",get:/**
	 * Gets the canvas central position of the lens.
	 * @returns {Number[]}
	 */function get(){return this._canvasPos;}/**
	 * Sets the canvas coordinates of the pointer.
	 * @param snappedCanvasPos
	 */,set:function set(canvasPos){this._canvasPos=canvasPos;this.update();}},{key:"snappedCanvasPos",get:/**
	 * Gets the canvas coordinates of the snapped pointer.
	 * @returns {Number[]}
	 */function get(){return this._snappedCanvasPos;}/**
	 * Sets if the cursor has snapped to anything.
	 * This is set by plugins.
	 * @param snapped
	 * @private
	 */,set:function set(snappedCanvasPos){this._snappedCanvasPos=snappedCanvasPos;this.update();}},{key:"snapped",get:/**
	 * Gets  if the cursor has snapped to anything.
	 * This is called by plugins.
	 * @returns {Boolean}
	 * @private
	 */function get(){return this._snapped;}/**
	 * Sets if this PointerLens is active.
	 * @param active
	 */,set:function set(snapped){this._snapped=snapped;if(snapped){this._lensCursorDiv.style.background="greenyellow";this._lensCursorDiv.style.border="2px solid green";}else{this._lensCursorDiv.style.background="pink";this._lensCursorDiv.style.border="2px solid red";}}},{key:"active",get:/**
	 * Gets if this PointerLens is active.
	 * @returns {Boolean}
	 */function get(){return this._active;}/**
	 * Sets if this PointerLens is visible.
	 * This is set by plugins.
	 * @param visible
	 * @private
	 */,set:function set(active){this._active=active;this._lensContainer.style.visibility=active&&this._visible?"visible":"hidden";if(!active||!this._visible){this._lensCursorDiv.style.marginLeft="-100px";this._lensCursorDiv.style.marginTop="-100px";}this.update();}},{key:"visible",get:/**
	 * Gets if this PointerLens is visible.
	 * This is called by plugins.
	 * @returns {Boolean}
	 * @private
	 */function get(){return this._visible;}/**
	 * Destroys this PointerLens.
	 */,set:function set(visible){this._visible=visible;this._lensContainer.style.visibility=visible&&this._active?"visible":"hidden";if(!visible||!this._active){this._lensCursorDiv.style.marginLeft="-100px";this._lensCursorDiv.style.marginTop="-100px";}this.update();}},{key:"destroy",value:function destroy(){if(!this._destroyed){this.viewer.scene.off(this._onViewerRendering);this._lensContainer.removeChild(this._lensCanvas);document.body.removeChild(this._lensContainer);this._destroyed=true;}}}]);}();// Some temporary vars to help avoid garbage collection
var doublePrecision=true;var FloatArrayType=doublePrecision?Float64Array:Float32Array;var tempVec3a$K=new FloatArrayType(3);var tempMat1=new FloatArrayType(16);var tempMat2=new FloatArrayType(16);var tempVec4$2=new FloatArrayType(4);/**
 * @private
 */var math={setDoublePrecisionEnabled:function setDoublePrecisionEnabled(enable){doublePrecision=enable;FloatArrayType=doublePrecision?Float64Array:Float32Array;},getDoublePrecisionEnabled:function getDoublePrecisionEnabled(){return doublePrecision;},MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:10000000,/**
	 * The number of radiians in a degree (0.0174532925).
	 * @property DEGTORAD
	 * @type {Number}
	 */DEGTORAD:0.0174532925,/**
	 * The number of degrees in a radian.
	 * @property RADTODEG
	 * @type {Number}
	 */RADTODEG:57.295779513,unglobalizeObjectId:function unglobalizeObjectId(modelId,globalId){var idx=globalId.indexOf("#");return idx===modelId.length&&globalId.startsWith(modelId)?globalId.substring(idx+1):globalId;},globalizeObjectId:function globalizeObjectId(modelId,objectId){return modelId+"#"+objectId;},/**
	 * Returns:
	 * - x != 0 => 1/x,
	 * - x == 1 => 1
	 *
	 * @param {number} x
	 */safeInv:function safeInv(x){var retVal=1/x;if(isNaN(retVal)||!isFinite(retVal)){return 1;}return retVal;},/**
	 * Returns a new, uninitialized two-element vector.
	 * @method vec2
	 * @param [values] Initial values.
	 * @static
	 * @returns {Number[]}
	 */vec2:function vec2(values){return new FloatArrayType(values||2);},/**
	 * Returns a new, uninitialized three-element vector.
	 * @method vec3
	 * @param [values] Initial values.
	 * @static
	 * @returns {Number[]}
	 */vec3:function vec3(values){return new FloatArrayType(values||3);},/**
	 * Returns a new, uninitialized four-element vector.
	 * @method vec4
	 * @param [values] Initial values.
	 * @static
	 * @returns {Number[]}
	 */vec4:function vec4(values){return new FloatArrayType(values||4);},/**
	 * Returns a new, uninitialized 3x3 matrix.
	 * @method mat3
	 * @param [values] Initial values.
	 * @static
	 * @returns {Number[]}
	 */mat3:function mat3(values){return new FloatArrayType(values||9);},/**
	 * Converts a 3x3 matrix to 4x4
	 * @method mat3ToMat4
	 * @param mat3 3x3 matrix.
	 * @param mat4 4x4 matrix
	 * @static
	 * @returns {Number[]}
	 */mat3ToMat4:function mat3ToMat4(mat3){var mat4=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new FloatArrayType(16);mat4[0]=mat3[0];mat4[1]=mat3[1];mat4[2]=mat3[2];mat4[3]=0;mat4[4]=mat3[3];mat4[5]=mat3[4];mat4[6]=mat3[5];mat4[7]=0;mat4[8]=mat3[6];mat4[9]=mat3[7];mat4[10]=mat3[8];mat4[11]=0;mat4[12]=0;mat4[13]=0;mat4[14]=0;mat4[15]=1;return mat4;},/**
	 * Returns a new, uninitialized 4x4 matrix.
	 * @method mat4
	 * @param [values] Initial values.
	 * @static
	 * @returns {Number[]}
	 */mat4:function mat4(values){return new FloatArrayType(values||16);},/**
	 * Converts a 4x4 matrix to 3x3
	 * @method mat4ToMat3
	 * @param mat4 4x4 matrix.
	 * @param mat3 3x3 matrix
	 * @static
	 * @returns {Number[]}
	 */mat4ToMat3:function mat4ToMat3(mat4,mat3){// TODO
//return new FloatArrayType(values || 9);
},/**
	 * Converts a list of double-precision values to a list of high-part floats and a list of low-part floats.
	 * @param doubleVals
	 * @param floatValsHigh
	 * @param floatValsLow
	 */doublesToFloats:function doublesToFloats(doubleVals,floatValsHigh,floatValsLow){var floatPair=new FloatArrayType(2);for(var _i2=0,len=doubleVals.length;_i2<len;_i2++){math.splitDouble(doubleVals[_i2],floatPair);floatValsHigh[_i2]=floatPair[0];floatValsLow[_i2]=floatPair[1];}},/**
	 * Splits a double value into two floats.
	 * @param value
	 * @param floatPair
	 */splitDouble:function splitDouble(value,floatPair){var hi=FloatArrayType.from([value])[0];var low=value-hi;floatPair[0]=hi;floatPair[1]=low;},/**
	 * Returns a new UUID.
	 * @method createUUID
	 * @static
	 * @return string The new UUID
	 */createUUID:function(){var lut=[];for(var _i3=0;_i3<256;_i3++){lut[_i3]=(_i3<16?"0":"")+_i3.toString(16);}return function(){var d0=Math.random()*0xffffffff|0;var d1=Math.random()*0xffffffff|0;var d2=Math.random()*0xffffffff|0;var d3=Math.random()*0xffffffff|0;return"".concat(lut[d0&0xff]+lut[d0>>8&0xff]+lut[d0>>16&0xff]+lut[d0>>24&0xff],"-").concat(lut[d1&0xff]).concat(lut[d1>>8&0xff],"-").concat(lut[d1>>16&0x0f|0x40]).concat(lut[d1>>24&0xff],"-").concat(lut[d2&0x3f|0x80]).concat(lut[d2>>8&0xff],"-").concat(lut[d2>>16&0xff]).concat(lut[d2>>24&0xff]).concat(lut[d3&0xff]).concat(lut[d3>>8&0xff]).concat(lut[d3>>16&0xff]).concat(lut[d3>>24&0xff]);};}(),/**
	 * Clamps a value to the given range.
	 * @param {Number} value Value to clamp.
	 * @param {Number} min Lower bound.
	 * @param {Number} max Upper bound.
	 * @returns {Number} Clamped result.
	 */clamp:function clamp(value,min,max){return Math.max(min,Math.min(max,value));},/**
	 * Floating-point modulus
	 * @method fmod
	 * @static
	 * @param {Number} a
	 * @param {Number} b
	 * @returns {*}
	 */fmod:function fmod(a,b){if(a<b){console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring");return a;}while(b<=a){a-=b;}return a;},/**
	 * Returns true if the two 3-element vectors are the same.
	 * @param v1
	 * @param v2
	 * @returns {Boolean}
	 */compareVec3:function compareVec3(v1,v2){return v1[0]===v2[0]&&v1[1]===v2[1]&&v1[2]===v2[2];},/**
	 * Negates a three-element vector.
	 * @method negateVec3
	 * @static
	 * @param {Array(Number)} v Vector to negate
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, v otherwise
	 */negateVec3:function negateVec3(v,dest){if(!dest){dest=v;}dest[0]=-v[0];dest[1]=-v[1];dest[2]=-v[2];return dest;},/**
	 * Negates a four-element vector.
	 * @method negateVec4
	 * @static
	 * @param {Array(Number)} v Vector to negate
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, v otherwise
	 */negateVec4:function negateVec4(v,dest){if(!dest){dest=v;}dest[0]=-v[0];dest[1]=-v[1];dest[2]=-v[2];dest[3]=-v[3];return dest;},/**
	 * Adds one four-element vector to another.
	 * @method addVec4
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Second vector
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, u otherwise
	 */addVec4:function addVec4(u,v,dest){if(!dest){dest=u;}dest[0]=u[0]+v[0];dest[1]=u[1]+v[1];dest[2]=u[2]+v[2];dest[3]=u[3]+v[3];return dest;},/**
	 * Adds a scalar value to each element of a four-element vector.
	 * @method addVec4Scalar
	 * @static
	 * @param {Array(Number)} v The vector
	 * @param {Number} s The scalar
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, v otherwise
	 */addVec4Scalar:function addVec4Scalar(v,s,dest){if(!dest){dest=v;}dest[0]=v[0]+s;dest[1]=v[1]+s;dest[2]=v[2]+s;dest[3]=v[3]+s;return dest;},/**
	 * Adds one three-element vector to another.
	 * @method addVec3
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Second vector
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, u otherwise
	 */addVec3:function addVec3(u,v,dest){if(!dest){dest=u;}dest[0]=u[0]+v[0];dest[1]=u[1]+v[1];dest[2]=u[2]+v[2];return dest;},/**
	 * Adds a scalar value to each element of a three-element vector.
	 * @method addVec4Scalar
	 * @static
	 * @param {Array(Number)} v The vector
	 * @param {Number} s The scalar
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, v otherwise
	 */addVec3Scalar:function addVec3Scalar(v,s,dest){if(!dest){dest=v;}dest[0]=v[0]+s;dest[1]=v[1]+s;dest[2]=v[2]+s;return dest;},/**
	 * Subtracts one four-element vector from another.
	 * @method subVec4
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Vector to subtract
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, u otherwise
	 */subVec4:function subVec4(u,v,dest){if(!dest){dest=u;}dest[0]=u[0]-v[0];dest[1]=u[1]-v[1];dest[2]=u[2]-v[2];dest[3]=u[3]-v[3];return dest;},/**
	 * Subtracts one three-element vector from another.
	 * @method subVec3
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Vector to subtract
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, u otherwise
	 */subVec3:function subVec3(u,v,dest){if(!dest){dest=u;}dest[0]=u[0]-v[0];dest[1]=u[1]-v[1];dest[2]=u[2]-v[2];return dest;},/**
	 * Subtracts one two-element vector from another.
	 * @method subVec2
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Vector to subtract
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, u otherwise
	 */subVec2:function subVec2(u,v,dest){if(!dest){dest=u;}dest[0]=u[0]-v[0];dest[1]=u[1]-v[1];return dest;},/**
	 * Get the geometric mean of the vectors.
	 * @method geometricMeanVec2
	 * @static
	 * @param {...Array(Number)} vectors Vec2 to mean
	 * @return {Array(Number)} The geometric mean vec2
	 */geometricMeanVec2:function geometricMeanVec2(){for(var _len5=arguments.length,vectors=new Array(_len5),_key5=0;_key5<_len5;_key5++){vectors[_key5]=arguments[_key5];}var geometricMean=new FloatArrayType(vectors[0]);for(var _i4=1;_i4<vectors.length;_i4++){geometricMean[0]+=vectors[_i4][0];geometricMean[1]+=vectors[_i4][1];}geometricMean[0]/=vectors.length;geometricMean[1]/=vectors.length;return geometricMean;},/**
	 * Subtracts a scalar value from each element of a four-element vector.
	 * @method subVec4Scalar
	 * @static
	 * @param {Array(Number)} v The vector
	 * @param {Number} s The scalar
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, v otherwise
	 */subVec4Scalar:function subVec4Scalar(v,s,dest){if(!dest){dest=v;}dest[0]=v[0]-s;dest[1]=v[1]-s;dest[2]=v[2]-s;dest[3]=v[3]-s;return dest;},/**
	 * Sets each element of a 4-element vector to a scalar value minus the value of that element.
	 * @method subScalarVec4
	 * @static
	 * @param {Array(Number)} v The vector
	 * @param {Number} s The scalar
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, v otherwise
	 */subScalarVec4:function subScalarVec4(v,s,dest){if(!dest){dest=v;}dest[0]=s-v[0];dest[1]=s-v[1];dest[2]=s-v[2];dest[3]=s-v[3];return dest;},/**
	 * Multiplies one three-element vector by another.
	 * @method mulVec3
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Second vector
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, u otherwise
	 */mulVec3:function mulVec3(u,v,dest){if(!dest){dest=u;}dest[0]=u[0]*v[0];dest[1]=u[1]*v[1];dest[2]=u[2]*v[2];return dest;},/**
	 * Multiplies one three-element vector by another.
	 * @method mulVec4
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Second vector
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, u otherwise
	 */mulVec4:function mulVec4(u,v,dest){if(!dest){dest=u;}dest[0]=u[0]*v[0];dest[1]=u[1]*v[1];dest[2]=u[2]*v[2];dest[3]=u[3]*v[3];return dest;},/**
	 * Multiplies each element of a four-element vector by a scalar.
	 * @method mulVec34calar
	 * @static
	 * @param {Array(Number)} v The vector
	 * @param {Number} s The scalar
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, v otherwise
	 */mulVec4Scalar:function mulVec4Scalar(v,s,dest){if(!dest){dest=v;}dest[0]=v[0]*s;dest[1]=v[1]*s;dest[2]=v[2]*s;dest[3]=v[3]*s;return dest;},/**
	 * Multiplies each element of a three-element vector by a scalar.
	 * @method mulVec3Scalar
	 * @static
	 * @param {Array(Number)} v The vector
	 * @param {Number} s The scalar
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, v otherwise
	 */mulVec3Scalar:function mulVec3Scalar(v,s,dest){if(!dest){dest=v;}dest[0]=v[0]*s;dest[1]=v[1]*s;dest[2]=v[2]*s;return dest;},/**
	 * Multiplies each element of a two-element vector by a scalar.
	 * @method mulVec2Scalar
	 * @static
	 * @param {Array(Number)} v The vector
	 * @param {Number} s The scalar
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, v otherwise
	 */mulVec2Scalar:function mulVec2Scalar(v,s,dest){if(!dest){dest=v;}dest[0]=v[0]*s;dest[1]=v[1]*s;return dest;},/**
	 * Divides one three-element vector by another.
	 * @method divVec3
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Second vector
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, u otherwise
	 */divVec3:function divVec3(u,v,dest){if(!dest){dest=u;}dest[0]=u[0]/v[0];dest[1]=u[1]/v[1];dest[2]=u[2]/v[2];return dest;},/**
	 * Divides one four-element vector by another.
	 * @method divVec4
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Second vector
	 * @param  {Array(Number)} [dest] Destination vector
	 * @return {Array(Number)} dest if specified, u otherwise
	 */divVec4:function divVec4(u,v,dest){if(!dest){dest=u;}dest[0]=u[0]/v[0];dest[1]=u[1]/v[1];dest[2]=u[2]/v[2];dest[3]=u[3]/v[3];return dest;},/**
	 * Divides a scalar by a three-element vector, returning a new vector.
	 * @method divScalarVec3
	 * @static
	 * @param v vec3
	 * @param s scalar
	 * @param dest vec3 - optional destination
	 * @return [] dest if specified, v otherwise
	 */divScalarVec3:function divScalarVec3(s,v,dest){if(!dest){dest=v;}dest[0]=s/v[0];dest[1]=s/v[1];dest[2]=s/v[2];return dest;},/**
	 * Divides a three-element vector by a scalar.
	 * @method divVec3Scalar
	 * @static
	 * @param v vec3
	 * @param s scalar
	 * @param dest vec3 - optional destination
	 * @return [] dest if specified, v otherwise
	 */divVec3Scalar:function divVec3Scalar(v,s,dest){if(!dest){dest=v;}dest[0]=v[0]/s;dest[1]=v[1]/s;dest[2]=v[2]/s;return dest;},/**
	 * Divides a four-element vector by a scalar.
	 * @method divVec4Scalar
	 * @static
	 * @param v vec4
	 * @param s scalar
	 * @param dest vec4 - optional destination
	 * @return [] dest if specified, v otherwise
	 */divVec4Scalar:function divVec4Scalar(v,s,dest){if(!dest){dest=v;}dest[0]=v[0]/s;dest[1]=v[1]/s;dest[2]=v[2]/s;dest[3]=v[3]/s;return dest;},/**
	 * Divides a scalar by a four-element vector, returning a new vector.
	 * @method divScalarVec4
	 * @static
	 * @param s scalar
	 * @param v vec4
	 * @param dest vec4 - optional destination
	 * @return [] dest if specified, v otherwise
	 */divScalarVec4:function divScalarVec4(s,v,dest){if(!dest){dest=v;}dest[0]=s/v[0];dest[1]=s/v[1];dest[2]=s/v[2];dest[3]=s/v[3];return dest;},/**
	 * Returns the dot product of two four-element vectors.
	 * @method dotVec4
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Second vector
	 * @return The dot product
	 */dotVec4:function dotVec4(u,v){return u[0]*v[0]+u[1]*v[1]+u[2]*v[2]+u[3]*v[3];},/**
	 * Returns the cross product of two four-element vectors.
	 * @method cross3Vec4
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Second vector
	 * @return The cross product
	 */cross3Vec4:function cross3Vec4(u,v){var u0=u[0];var u1=u[1];var u2=u[2];var v0=v[0];var v1=v[1];var v2=v[2];return[u1*v2-u2*v1,u2*v0-u0*v2,u0*v1-u1*v0,0.0];},/**
	 * Returns the cross product of two three-element vectors.
	 * @method cross3Vec3
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Second vector
	 * @return The cross product
	 */cross3Vec3:function cross3Vec3(u,v,dest){if(!dest){dest=u;}var x=u[0];var y=u[1];var z=u[2];var x2=v[0];var y2=v[1];var z2=v[2];dest[0]=y*z2-z*y2;dest[1]=z*x2-x*z2;dest[2]=x*y2-y*x2;return dest;},sqLenVec4:function sqLenVec4(v){// TODO
return math.dotVec4(v,v);},/**
	 * Returns the length of a four-element vector.
	 * @method lenVec4
	 * @static
	 * @param {Array(Number)} v The vector
	 * @return The length
	 */lenVec4:function lenVec4(v){return Math.sqrt(math.sqLenVec4(v));},/**
	 * Returns the dot product of two three-element vectors.
	 * @method dotVec3
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Second vector
	 * @return The dot product
	 */dotVec3:function dotVec3(u,v){return u[0]*v[0]+u[1]*v[1]+u[2]*v[2];},/**
	 * Returns the dot product of two two-element vectors.
	 * @method dotVec4
	 * @static
	 * @param {Array(Number)} u First vector
	 * @param {Array(Number)} v Second vector
	 * @return The dot product
	 */dotVec2:function dotVec2(u,v){return u[0]*v[0]+u[1]*v[1];},sqLenVec3:function sqLenVec3(v){return math.dotVec3(v,v);},sqLenVec2:function sqLenVec2(v){return math.dotVec2(v,v);},/**
	 * Returns the length of a three-element vector.
	 * @method lenVec3
	 * @static
	 * @param {Array(Number)} v The vector
	 * @return The length
	 */lenVec3:function lenVec3(v){return Math.sqrt(math.sqLenVec3(v));},distVec3:function(){var vec=new FloatArrayType(3);return function(v,w){return math.lenVec3(math.subVec3(v,w,vec));};}(),/**
	 * Returns the length of a two-element vector.
	 * @method lenVec2
	 * @static
	 * @param {Array(Number)} v The vector
	 * @return The length
	 */lenVec2:function lenVec2(v){return Math.sqrt(math.sqLenVec2(v));},distVec2:function(){var vec=new FloatArrayType(2);return function(v,w){return math.lenVec2(math.subVec2(v,w,vec));};}(),/**
	 * @method rcpVec3
	 * @static
	 * @param v vec3
	 * @param dest vec3 - optional destination
	 * @return [] dest if specified, v otherwise
	 *
	 */rcpVec3:function rcpVec3(v,dest){return math.divScalarVec3(1.0,v,dest);},/**
	 * Normalizes a four-element vector
	 * @method normalizeVec4
	 * @static
	 * @param v vec4
	 * @param dest vec4 - optional destination
	 * @return [] dest if specified, v otherwise
	 *
	 */normalizeVec4:function normalizeVec4(v,dest){var f=1.0/math.lenVec4(v);return math.mulVec4Scalar(v,f,dest);},/**
	 * Normalizes a three-element vector
	 * @method normalizeVec4
	 * @static
	 */normalizeVec3:function normalizeVec3(v,dest){var f=1.0/math.lenVec3(v);return math.mulVec3Scalar(v,f,dest);},/**
	 * Normalizes a two-element vector
	 * @method normalizeVec2
	 * @static
	 */normalizeVec2:function normalizeVec2(v,dest){var f=1.0/math.lenVec2(v);return math.mulVec2Scalar(v,f,dest);},/**
	 * Gets the angle between two vectors
	 * @method angleVec3
	 * @param v
	 * @param w
	 * @returns {number}
	 */angleVec3:function angleVec3(v,w){var theta=math.dotVec3(v,w)/Math.sqrt(math.sqLenVec3(v)*math.sqLenVec3(w));theta=theta<-1?-1:theta>1?1:theta;// Clamp to handle numerical problems
return Math.acos(theta);},/**
	 * Creates a three-element vector from the rotation part of a sixteen-element matrix.
	 * @param m
	 * @param dest
	 */vec3FromMat4Scale:function(){var tempVec3=new FloatArrayType(3);return function(m,dest){tempVec3[0]=m[0];tempVec3[1]=m[1];tempVec3[2]=m[2];dest[0]=math.lenVec3(tempVec3);tempVec3[0]=m[4];tempVec3[1]=m[5];tempVec3[2]=m[6];dest[1]=math.lenVec3(tempVec3);tempVec3[0]=m[8];tempVec3[1]=m[9];tempVec3[2]=m[10];dest[2]=math.lenVec3(tempVec3);return dest;};}(),/**
	 * Converts an n-element vector to a JSON-serializable
	 * array with values rounded to two decimal places.
	 */vecToArray:function(){function trunc(v){return Math.round(v*100000)/100000;}return function(v){v=Array.prototype.slice.call(v);for(var _i5=0,len=v.length;_i5<len;_i5++){v[_i5]=trunc(v[_i5]);}return v;};}(),/**
	 * Converts a 3-element vector from an array to an object of the form ````{x:999, y:999, z:999}````.
	 * @param arr
	 * @returns {{x: *, y: *, z: *}}
	 */xyzArrayToObject:function xyzArrayToObject(arr){return{x:arr[0],y:arr[1],z:arr[2]};},/**
	 * Converts a 3-element vector object of the form ````{x:999, y:999, z:999}```` to an array.
	 * @param xyz
	 * @param  [arry]
	 * @returns {*[]}
	 */xyzObjectToArray:function xyzObjectToArray(xyz,arry){arry=arry||math.vec3();arry[0]=xyz.x;arry[1]=xyz.y;arry[2]=xyz.z;return arry;},/**
	 * Duplicates a 4x4 identity matrix.
	 * @method dupMat4
	 * @static
	 */dupMat4:function dupMat4(m){return m.slice(0,16);},/**
	 * Extracts a 3x3 matrix from a 4x4 matrix.
	 * @method mat4To3
	 * @static
	 */mat4To3:function mat4To3(m){return[m[0],m[1],m[2],m[4],m[5],m[6],m[8],m[9],m[10]];},/**
	 * Returns a 4x4 matrix with each element set to the given scalar value.
	 * @method m4s
	 * @static
	 */m4s:function m4s(s){return[s,s,s,s,s,s,s,s,s,s,s,s,s,s,s,s];},/**
	 * Returns a 4x4 matrix with each element set to zero.
	 * @method setMat4ToZeroes
	 * @static
	 */setMat4ToZeroes:function setMat4ToZeroes(){return math.m4s(0.0);},/**
	 * Returns a 4x4 matrix with each element set to 1.0.
	 * @method setMat4ToOnes
	 * @static
	 */setMat4ToOnes:function setMat4ToOnes(){return math.m4s(1.0);},/**
	 * Returns a 4x4 matrix with each element set to 1.0.
	 * @method setMat4ToOnes
	 * @static
	 */diagonalMat4v:function diagonalMat4v(v){return new FloatArrayType([v[0],0.0,0.0,0.0,0.0,v[1],0.0,0.0,0.0,0.0,v[2],0.0,0.0,0.0,0.0,v[3]]);},/**
	 * Returns a 4x4 matrix with diagonal elements set to the given vector.
	 * @method diagonalMat4c
	 * @static
	 */diagonalMat4c:function diagonalMat4c(x,y,z,w){return math.diagonalMat4v([x,y,z,w]);},/**
	 * Returns a 4x4 matrix with diagonal elements set to the given scalar.
	 * @method diagonalMat4s
	 * @static
	 */diagonalMat4s:function diagonalMat4s(s){return math.diagonalMat4c(s,s,s,s);},/**
	 * Returns a 4x4 identity matrix.
	 * @method identityMat4
	 * @static
	 */identityMat4:function identityMat4(){var mat=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new FloatArrayType(16);mat[0]=1.0;mat[1]=0.0;mat[2]=0.0;mat[3]=0.0;mat[4]=0.0;mat[5]=1.0;mat[6]=0.0;mat[7]=0.0;mat[8]=0.0;mat[9]=0.0;mat[10]=1.0;mat[11]=0.0;mat[12]=0.0;mat[13]=0.0;mat[14]=0.0;mat[15]=1.0;return mat;},/**
	 * Returns a 3x3 identity matrix.
	 * @method identityMat3
	 * @static
	 */identityMat3:function identityMat3(){var mat=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new FloatArrayType(9);mat[0]=1.0;mat[1]=0.0;mat[2]=0.0;mat[3]=0.0;mat[4]=1.0;mat[5]=0.0;mat[6]=0.0;mat[7]=0.0;mat[8]=1.0;return mat;},/**
	 * Tests if the given 4x4 matrix is the identity matrix.
	 * @method isIdentityMat4
	 * @static
	 */isIdentityMat4:function isIdentityMat4(m){if(m[0]!==1.0||m[1]!==0.0||m[2]!==0.0||m[3]!==0.0||m[4]!==0.0||m[5]!==1.0||m[6]!==0.0||m[7]!==0.0||m[8]!==0.0||m[9]!==0.0||m[10]!==1.0||m[11]!==0.0||m[12]!==0.0||m[13]!==0.0||m[14]!==0.0||m[15]!==1.0){return false;}return true;},/**
	 * Negates the given 4x4 matrix.
	 * @method negateMat4
	 * @static
	 */negateMat4:function negateMat4(m,dest){if(!dest){dest=m;}dest[0]=-m[0];dest[1]=-m[1];dest[2]=-m[2];dest[3]=-m[3];dest[4]=-m[4];dest[5]=-m[5];dest[6]=-m[6];dest[7]=-m[7];dest[8]=-m[8];dest[9]=-m[9];dest[10]=-m[10];dest[11]=-m[11];dest[12]=-m[12];dest[13]=-m[13];dest[14]=-m[14];dest[15]=-m[15];return dest;},/**
	 * Adds the given 4x4 matrices together.
	 * @method addMat4
	 * @static
	 */addMat4:function addMat4(a,b,dest){if(!dest){dest=a;}dest[0]=a[0]+b[0];dest[1]=a[1]+b[1];dest[2]=a[2]+b[2];dest[3]=a[3]+b[3];dest[4]=a[4]+b[4];dest[5]=a[5]+b[5];dest[6]=a[6]+b[6];dest[7]=a[7]+b[7];dest[8]=a[8]+b[8];dest[9]=a[9]+b[9];dest[10]=a[10]+b[10];dest[11]=a[11]+b[11];dest[12]=a[12]+b[12];dest[13]=a[13]+b[13];dest[14]=a[14]+b[14];dest[15]=a[15]+b[15];return dest;},/**
	 * Adds the given scalar to each element of the given 4x4 matrix.
	 * @method addMat4Scalar
	 * @static
	 */addMat4Scala