initial implementation of ColorConverter.

examples/js/math/ColorConverter.js

@@ -0,0 +1,82 @@
+/**
+ * @author bhouston / http://exocortex.com/
+ */
+
+THREE.ColorConverter = function () {
+
+	return this;
+
+};
+
+// these are all static functions that we are extending ColorConverter directly rather than its prorotype.
+THREE.ColorConverter.fromRGB = function ( color, r, g, b ) {
+
+	return color.setRGB( r, g, b );
+
+};
+
+THREE.ColorConverter.fromHex = function ( color, hex ) {
+
+	return color.setHex( hex );
+
+};
+
+THREE.ColorConverter.toHex = function ( color ) {
+
+	return color.getHex();
+
+};
+ 
+THREE.ColorConverter.toHexString = function ( color ) {
+
+	return color.getHexString( color );
+
+};
+
+THREE.ColorConverter.fromHSL = function ( color, h, s, l ) {
+
+	return color.setHSL( h, s, l );
+};
+
+THREE.ColorConverter.toHSL = function ( color ) {
+
+	return color.getHSL( color );
+
+};
+
+THREE.ColorConverter.fromHSV = function ( color, h, s, v ) {
+
+	return color.setHSL( h, ( s * v ) / ( ( h = ( 2 - s ) * v ) < 1 ? h : ( 2 - h ) ), h * 0.5 ); // https://gist.github.com/xpansive/1337890#file-index-js
+
+};
+
+THREE.ColorConverter.toHSV = function () { // based on https://gist.github.com/xpansive/1337890#file-index-js
+
+	var hsv = { h: 0, s: 0, v: 0 };
+
+	return function( color ) {
+
+		var hsl = color.getHSL();
+
+		hsl.s *= ( hsl.l < 0.5 ) ? hsl.l : ( 1 - hsl.l );
+
+		hsv.h = hsl.h;
+		hsv.s = 2 * hsl.s / ( hsl.l + hsl.s );
+		hsv.v = hsl.l + hsl.s;
+		
+		return hsv;
+		
+	}
+}();
+
+THREE.ColorConverter.fromStyle = function ( color, style ) {
+
+	return color.setStyle( style );
+
+};
+
+THREE.ColorConverter.toStyle = function ( color ) {
+
+	return color.getStyle( color );
+
+};