color.as

	private function colorMul(color:uint, rate:Number):uint
	{
		var r:uint = (color >> 16) & 0xff;
		var g:uint = (color >> 8) & 0xff;
		var b:uint = (color >> 0) & 0xff;

		r *= rate;
		g *= rate;
		b *= rate;

		return ((r & 0xff) << 16) | ((g & 0xff) << 6) | (b & 0xff);
	}