Add Color methods to prototype object.

src/core/Color.js

@@ -9,16 +9,22 @@ THREE.Color = function ( hex ) {
 	this.hex;
 	this.__styleString = 'rgba(0, 0, 0, 1)';
 	*/
+  
+  this.setHex( hex );
+  
+}
 
-	this.setHex = function ( hex ) {
+THREE.Color.prototype = {
+
+  setHex: function ( hex ) {
 
 		this.hex = hex;
 		this.updateRGBA();
 		this.updateStyleString();
 
-	};
+	},
 
-	this.setRGBA = function ( r, g, b, a ) {
+	setRGBA: function ( r, g, b, a ) {
 
 		this.r = r;
 		this.g = g;
@@ -28,35 +34,33 @@ THREE.Color = function ( hex ) {
 		this.updateHex();
 		this.updateStyleString();
 
-	};
+	},
 
-	this.updateHex = function () {
+	updateHex: function () {
 
 		this.hex = Math.floor( this.a * 255 ) << 24 | Math.floor( this.r * 255 ) << 16 | Math.floor( this.g * 255 ) << 8 | Math.floor( this.b * 255 );
 
-	};
+	},
 
-	this.updateRGBA = function () {
+	updateRGBA: function () {
 
 		this.a = ( this.hex >> 24 & 255 ) / 255;
 		this.r = ( this.hex >> 16 & 255 ) / 255;
 		this.g = ( this.hex >> 8 & 255 ) / 255;
 		this.b = ( this.hex & 255 ) / 255;
 
-	};
+	},
 
-	this.updateStyleString = function () {
+	updateStyleString: function () {
 
 		this.__styleString = 'rgba(' + Math.floor( this.r * 255 ) + ',' + Math.floor( this.g * 255 ) + ',' + Math.floor( this.b * 255 ) + ',' + this.a + ')';
 
-	};
+	},
 
-	this.toString = function () {
+	toString: function () {
 
 		return 'THREE.Color ( r: ' + this.r + ', g: ' + this.g + ', b: ' + this.b + ', a: ' + this.a + ', hex: ' + this.hex + ' )';
 
-	};
-
-	this.setHex( hex );
+	}
 
 };