public void setNext(Tetromino next){
		// determine best orientation;
		this.next = next;
		switch(next.toString()) {
		case "TypeJ":orientation = 3; offset = 30; break;
		case "TypeZ":
		case "TypeI": orientation = 2; offset = 20; break;
		case "TypeS": orientation = 2; offset = 30; break;
		case "TypeL": orientation = 1; offset = 30; break;
		case "TypeT": orientation = 0; offset = 30;break;
		default: orientation = 0; offset = 50;
		} 
	}