void processInput(GameBoard& gb, char input) {
	switch (input) {
		case ' ': gb.drop(); break;
		case 'i': gb.rotate(); break;
		case 'j': gb.left(); break;
		case 'k': gb.down(); break;
		case 'l': gb.right(); break;
		default : return;
	}

	if (gb.touchDown()) {
		cout << "touch down!" << endl;
		gb.settlePiece();
		int row = 0;
		for (int i = 0; i < 4; ++i) {
			row = gb.pos_y + gb.piece->points[i].y;
			if (gb.isFulledRow(row)) {
				gb.clearRow(row);
				cout << "clear Row!" << endl;
				showRealBoard(gb);
				_getch();
				gb.dropDownRow(row);
				cout << "drop Down row" << endl;
				showRealBoard(gb);
			}
		}
		gb.addPiece(new Piece('O'));
	}

}