Replaced EPSILONS with Number.EPSILON.

examples/js/renderers/CSS3DRenderer.js

@@ -98,7 +98,7 @@ THREE.CSS3DRenderer = function () {
 
 	var epsilon = function ( value ) {
 
-		return Math.abs( value ) < 0.000001 ? 0 : value;
+		return Math.abs( value ) < Number.EPSILON ? 0 : value;
 
 	};
 

examples/js/renderers/CSS3DStereoRenderer.js

@@ -145,7 +145,7 @@ THREE.CSS3DStereoRenderer = function () {
 
 	var epsilon = function ( value ) {
 
-		return Math.abs( value ) < 0.000001 ? 0 : value;
+		return Math.abs( value ) < Number.EPSILON ? 0 : value;
 
 	};
 

src/Three.js

@@ -90,6 +90,16 @@ if ( self.performance.now === undefined ) {
 
 }
 
+//
+
+if ( Number.EPSILON === undefined ) {
+
+	Number.EPSILON = Math.pow( 2, -52 );
+
+}
+
+//
+
 if ( Math.sign === undefined ) {
 
 	// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign

src/extras/FontUtils.js

@@ -285,8 +285,6 @@ THREE.FontUtils.generateShapes = function ( text, parameters ) {
 
 ( function ( namespace ) {
 
-	var EPSILON = 0.0000000001;
-
 	// takes in an contour array and returns
 
 	function process( contour, indices ) {
@@ -417,7 +415,7 @@ THREE.FontUtils.generateShapes = function ( text, parameters ) {
 		cx = contour[ verts[ w ] ].x;
 		cy = contour[ verts[ w ] ].y;
 
-		if ( EPSILON > ( ( ( bx - ax ) * ( cy - ay ) ) - ( ( by - ay ) * ( cx - ax ) ) ) ) return false;
+		if ( Number.EPSILON > ( ( ( bx - ax ) * ( cy - ay ) ) - ( ( by - ay ) * ( cx - ax ) ) ) ) return false;
 
 		var aX, aY, bX, bY, cX, cY;
 		var apx, apy, bpx, bpy, cpx, cpy;
@@ -446,7 +444,7 @@ THREE.FontUtils.generateShapes = function ( text, parameters ) {
 			cCROSSap = cX * apy - cY * apx;
 			bCROSScp = bX * cpy - bY * cpx;
 
-			if ( ( aCROSSbp >= - EPSILON ) && ( bCROSScp >= - EPSILON ) && ( cCROSSap >= - EPSILON ) ) return false;
+			if ( ( aCROSSbp >= - Number.EPSILON ) && ( bCROSScp >= - Number.EPSILON ) && ( cCROSSap >= - Number.EPSILON ) ) return false;
 
 		}
 

src/extras/ShapeUtils.js

@@ -39,8 +39,6 @@ THREE.ShapeUtils = {
 
 		function intersect_segments_2D( inSeg1Pt1, inSeg1Pt2, inSeg2Pt1, inSeg2Pt2, inExcludeAdjacentSegs ) {
 
-			var EPSILON = 0.0000000001;
-
 			var seg1dx = inSeg1Pt2.x - inSeg1Pt1.x,   seg1dy = inSeg1Pt2.y - inSeg1Pt1.y;
 			var seg2dx = inSeg2Pt2.x - inSeg2Pt1.x,   seg2dy = inSeg2Pt2.y - inSeg2Pt1.y;
 
@@ -50,7 +48,7 @@ THREE.ShapeUtils = {
 			var limit		= seg1dy * seg2dx - seg1dx * seg2dy;
 			var perpSeg1	= seg1dy * seg1seg2dx - seg1dx * seg1seg2dy;
 
-			if ( Math.abs( limit ) > EPSILON ) {
+			if ( Math.abs( limit ) > Number.EPSILON ) {
 
 				// not parallel
 
@@ -216,8 +214,6 @@ THREE.ShapeUtils = {
 
 			// The order of legs is important
 
-			var EPSILON = 0.0000000001;
-
 			// translation of all points, so that Vertex is at (0,0)
 			var legFromPtX	= inLegFromPt.x - inVertex.x,  legFromPtY	= inLegFromPt.y - inVertex.y;
 			var legToPtX	= inLegToPt.x	- inVertex.x,  legToPtY		= inLegToPt.y	- inVertex.y;
@@ -227,7 +223,7 @@ THREE.ShapeUtils = {
 			var from2toAngle	= legFromPtX * legToPtY - legFromPtY * legToPtX;
 			var from2otherAngle	= legFromPtX * otherPtY - legFromPtY * otherPtX;
 
-			if ( Math.abs( from2toAngle ) > EPSILON ) {
+			if ( Math.abs( from2toAngle ) > Number.EPSILON ) {
 
 				// angle != 180 deg.
 

src/extras/core/Path.js

@@ -425,9 +425,8 @@ THREE.Path.prototype.getPoints = function( divisions, closedPath ) {
 
 	// Normalize to remove the closing point by default.
 	var lastPoint = points[ points.length - 1 ];
-	var EPSILON = 0.0000000001;
-	if ( Math.abs( lastPoint.x - points[ 0 ].x ) < EPSILON &&
-			 Math.abs( lastPoint.y - points[ 0 ].y ) < EPSILON )
+	if ( Math.abs( lastPoint.x - points[ 0 ].x ) < Number.EPSILON &&
+			 Math.abs( lastPoint.y - points[ 0 ].y ) < Number.EPSILON )
 		points.splice( points.length - 1, 1 );
 	if ( closedPath ) {
 
@@ -515,8 +514,6 @@ THREE.Path.prototype.toShapes = function( isCCW, noHoles ) {
 
 	function isPointInsidePolygon( inPt, inPolygon ) {
 
-		var EPSILON = 0.0000000001;
-
 		var polyLen = inPolygon.length;
 
 		// inPt on polygon contour => immediate success    or
@@ -532,7 +529,7 @@ THREE.Path.prototype.toShapes = function( isCCW, noHoles ) {
 			var edgeDx = edgeHighPt.x - edgeLowPt.x;
 			var edgeDy = edgeHighPt.y - edgeLowPt.y;
 
-			if ( Math.abs( edgeDy ) > EPSILON ) {
+			if ( Math.abs( edgeDy ) > Number.EPSILON ) {
 
 				// not parallel
 				if ( edgeDy < 0 ) {

src/extras/geometries/ExtrudeGeometry.js

@@ -193,8 +193,6 @@ THREE.ExtrudeGeometry.prototype.addShape = function ( shape, options ) {
 
 	function getBevelVec( inPt, inPrev, inNext ) {
 
-		var EPSILON = 0.0000000001;
-
 		// computes for inPt the corresponding point inPt' on a new contour
 		//   shifted by 1 unit (length of normalized vector) to the left
 		// if we walk along contour clockwise, this new contour is outside the old one
@@ -215,7 +213,7 @@ THREE.ExtrudeGeometry.prototype.addShape = function ( shape, options ) {
 		// check for collinear edges
 		var collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x );
 
-		if ( Math.abs( collinear0 ) > EPSILON ) {
+		if ( Math.abs( collinear0 ) > Number.EPSILON ) {
 
 			// not collinear
 
@@ -261,9 +259,9 @@ THREE.ExtrudeGeometry.prototype.addShape = function ( shape, options ) {
 			// handle special case of collinear edges
 
 			var direction_eq = false;		// assumes: opposite
-			if ( v_prev_x > EPSILON ) {
+			if ( v_prev_x > Number.EPSILON ) {
 
-				if ( v_next_x > EPSILON ) {
+				if ( v_next_x > Number.EPSILON ) {
 
 					direction_eq = true;
 
@@ -271,9 +269,9 @@ THREE.ExtrudeGeometry.prototype.addShape = function ( shape, options ) {
 
 			} else {
 
-				if ( v_prev_x < - EPSILON ) {
+				if ( v_prev_x < - Number.EPSILON ) {
 
-					if ( v_next_x < - EPSILON ) {
+					if ( v_next_x < - Number.EPSILON ) {
 
 						direction_eq = true;
 

src/extras/geometries/TubeGeometry.js

@@ -174,7 +174,6 @@ THREE.TubeGeometry.FrenetFrames = function ( path, segments, closed ) {
 
 		numpoints = segments + 1,
 		theta,
-		epsilon = 0.0001,
 		smallest,
 
 		tx, ty, tz,
@@ -273,7 +272,7 @@ THREE.TubeGeometry.FrenetFrames = function ( path, segments, closed ) {
 
 		vec.crossVectors( tangents[ i - 1 ], tangents[ i ] );
 
-		if ( vec.length() > epsilon ) {
+		if ( vec.length() > Number.EPSILON ) {
 
 			vec.normalize();