package animation 

{

	/**

	 * ...

	 * @author Peter Mackay

	 */

	public class Animation

	{

		

		protected var firstFrame:int;

		protected var frameCount:int;

		protected var frameDuration:Number;

		

		public function Animation(firstFrame:int, frameCount:int, frameDuration:Number) 

		{

			this.firstFrame = firstFrame;

			this.frameCount = frameCount;

			this.frameDuration = frameDuration;

		}

		

		public function resolve(frame:Number):int

		{

			return firstFrame + int(frame);

		}

		

		public function advance(frame:Number, dt:Number):Number

		{

			throw new Error("Abstract method.");

		}

	}



}