upping math

build/three-math.js

@@ -7,12 +7,29 @@
 var THREE = { REVISION: '69dev' };
 
 // browserify support
+
 if ( typeof module === 'object' ) {
 
 	module.exports = THREE;
 
 }
 
+// polyfills
+
+if ( Math.sign === undefined ) {
+
+	Math.sign = function ( x ) {
+
+		return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : 0;
+
+	};
+	
+}
+
+// https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent.button
+
+THREE.MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 };
+
 // GL STATE CONSTANTS
 
 THREE.CullFaceNone = 0;
@@ -6436,12 +6453,6 @@ THREE.Math = {
 
 	},
 
-	sign: function ( x ) {
-
-		return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : 0;
-
-	},
-
 	degToRad: function () {
 
 		var degreeToRadiansFactor = Math.PI / 180;