我正在开发一个小型游戏,作为学校的一个小项目,它是基于Java Swing实现的。我已经完成了所有的逻辑和GUI界面。
这个游戏(蛇与梯子)有36个正方形(JButtons),每个正方形都有可以用于放置玩家棋子的JPanels。换句话说,我有36个按钮,它们都有JPanels,在这些JPanels内部可以放置按钮。在每个正方形上,我都放置了一个Action Listener来检查是谁的回合,如果玩家可以移动到这里,并且当满足这些条件(当然还有更多其他条件)时,将玩家的按钮移动到该正方形上。
现在出现了一些错误。当玩家移动棋子时,它会同时出现在新的正方形和旧的正方形上。只有当我将鼠标悬停在旧位置上时,棋子才消失。
以下是可能有助于理解的一些代码:
//this happens in another function. I only show this, because i think this is the only part relevant from the function
spots[i][j].addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
//EventQueue.invokeLater(()->setGameSpotsAction(f,p,spotNr));
setGameSpotsAction(f,p,spotNr);
}
});
//action to do when a spot/square is pressed
public void setGameSpotsAction(JFrame f, JPanel p, int nr) {//nr is the spot where the piece should go
if(nr == X*Y && playerPosition[playerTurn] + latestRoll == nr){//if dice is rolled
f.remove(p);
winnerwinnerchickendinner.setText(namesArr[playerTurn]+" WON!!!!!!");
JPanel panel = new JPanel(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridx=0;gbc.gridy=0;panel.add(winnerwinnerchickendinner,gbc);
f.getContentPane().add(panel);
} else if (latestRoll >= 2 && nr <= X*Y && playerPosition[playerTurn] + latestRoll == nr) {//
int sot = snakeOrStairs[playerPosition[playerTurn] + latestRoll];//sot stands for Snake Or sTair
//if just regular square/spot
if(playerPosition[1] != playerPosition[2]){//if player moves and the previous spot is empty, make panel invisible.
spotPanels[playerPosition[playerTurn]].setVisible(false);
}
if (sot == 0) {
playerPosition[playerTurn] += latestRoll;//button has new position
movePlayerButton(nr);
//EventQueue.invokeLater(()->{movePlayerButton(nr);});
} else if (sot > 0) {//if positive number, we can go up!!
playerPosition[playerTurn] += latestRoll + sot;//button has new position
movePlayerButton(nr + sot);
//EventQueue.invokeLater(()->{movePlayerButton(nr);});
} else {//god damn it we going down
playerPosition[playerTurn] += latestRoll - sot;//button has new position
movePlayerButton(nr - sot);
//EventQueue.invokeLater(()->{movePlayerButton(nr);});
}
changePlayerTurn(diceLabelText[1], diceLabelText[2]);
roll.setEnabled(true);//next player can now roll
}
}
public void movePlayerButton(int spotNr){
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridx=0;gbc.gridy=playerTurn-1;
spotPanels[spotNr].add(playerButtons[playerTurn],gbc);//move players button to the new spot
spotPanels[spotNr].setVisible(true);//set the panel to visible
}
我尝试过的:
- 在每次移动后,我尝试调用"frame.pack()"。这似乎在第一次调用时有效,但之后窗口开始表现得奇怪。(至少我尝试了...)
- 我尝试使用EventQueue.InvokeLater和EventQueue.invokeAndWait。这很可能没有生效,因为我不太知道如何正确使用它。java.awt.EventQueue.invokeLater解释
revalidate()
或repaint()
来刷新您的容器(JPanels)。我建议您在ActionListeners结束时执行此操作。第一个方法告诉布局管理器重新布置组件,第二个方法清除可能剩余的任何脏像素。 - DontKnowMuchBut Getting Better