piecemover.java

来自「一些JAVA的小程序」· Java 代码 · 共 35 行

class PieceMover extends Thread {

	public PieceMover (TetrisPanel p)
	{
		panel = p;
	}

	private TetrisPanel panel;
	private Piece currentPiece;

	public void run () { // executed when thread is sent start message
		while (dropPiece()) { }
	}


	private boolean dropPiece () {
		int piecetype = 1 + (int) (7 * Math.random());
		currentPiece = new Piece(piecetype);
		if (! currentPiece.move(Piece.Down, panel.table))
			return false;
		int command = panel.getCommand(Piece.Down);
		while (currentPiece.move(command, panel.table)) {
			panel.repaint();
			try { sleep(100); } catch(InterruptedException e) { }
			command = panel.getCommand(Piece.Down);
			}
		// piece cannot move, check score
		panel.checkScore();
		return true;
	}
 }