Random.as

class util.Random
{
	public static function get instance():Random { return _instance; }

	public function Random(seed:Number)
	{
		r = seed;
		if (!_instance) _instance = this;
	}

	public function next():Number
	{
		r = (r*9301+49297) % 233280;
		return r / 233280.0;
	}

	public function range(min:Number, max:Number):Number
	{
		return Math.floor(next() * (max - min +1 ) + min);
	}

	private var r:Number;
	private static var _instance:util.Random;
}