code: public Animation copy() {
  		Animation copy = new Animation();
  		
  		copy.spriteSheet = spriteSheet;
  		copy.frames = frames;
  		copy.autoUpdate = autoUpdate;
  		copy.direction = direction;
  		copy.loop = loop;
  		copy.pingPong = pingPong;
  		copy.speed = speed;
  		
  		return copy;
  	}
docs: Create a copy of this animation. Note that the frames
  are not duplicated but shared with the original
  
  @return A copy of this animation