public static void executeKey(KEY_COMMAND k) {
		if (game.paused) {
			if (k == KEY_COMMAND.PAUSE) {
				game.resume();
			}
			return;
		}
		switch (k) {
			case LEFT:
				game.gameBlock.shiftLeft();
				break;
			
			case RIGHT:
				game.gameBlock.shiftRight();
				break;
			
			case ROTATE:
				game.gameBlock.rotate();
				break;
			
			case FALL:
				game.gameBlock.fall();
				break;
			
			case DROP:
				game.gameBlock.drop();
				break;
			
			case HOLD:
				game.hold();
				break;
			
			case PAUSE:
				game.pause();
				break;
		}
	}