用JAVA中的GUI与多线程实现以下编程,实现用户输入数字后,则产生相应的弹球在屏幕里运动,当鼠标接触到弹球时游戏结束
时间: 2024-02-20 14:56:29 浏览: 132
好的,这是一个比较有趣的小游戏,我会尽力解释。
首先,我们需要使用Java的GUI库来创建一个窗口。我们可以使用Swing或JavaFX来实现这个功能。我们可以在窗口中添加一个文本框来允许用户输入数字,并在点击按钮时开始游戏。
接下来,我们需要使用Java的多线程来实现弹球的运动。我们可以创建一个Ball类来表示弹球,该类应该实现Runnable接口并具有run()方法。在run()方法中,我们可以使用一个while循环来控制弹球的移动。我们可以使用Java的Random类来随机生成弹球的初始位置和速度。
在游戏中,我们需要不断地更新弹球的位置,并重新绘制窗口以显示弹球的移动。我们可以使用Java的Timer类来定期更新游戏状态和重绘窗口。
最后,我们需要使用Java的鼠标事件来检测鼠标与弹球的碰撞。当鼠标与弹球接触时,我们可以将游戏状态设置为结束,并显示得分或消息。
下面是一个大致的代码框架,用于实现此游戏:
```java
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Random;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.Timer;
public class BallGame extends JFrame {
private static final long serialVersionUID = 1L;
private static final int WIDTH = 400;
private static final int HEIGHT = 400;
private static final int BALL_SIZE = 20;
private static final int DELAY = 10;
private JTextField textField;
private BallPanel ballPanel;
private JButton startButton;
private Timer timer;
private int score;
public BallGame() {
super("Ball Game");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(WIDTH, HEIGHT);
setResizable(false);
setLayout(null);
textField = new JTextField();
textField.setBounds(10, 10, 80, 20);
add(textField);
startButton = new JButton("Start");
startButton.setBounds(100, 10, 80, 20);
startButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
startGame();
}
});
add(startButton);
ballPanel = new BallPanel();
ballPanel.setBounds(0, 40, WIDTH, HEIGHT - 40);
add(ballPanel);
timer = new Timer(DELAY, new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
ballPanel.update();
ballPanel.repaint();
}
});
timer.start();
addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
Point point = e.getPoint();
if (ballPanel.isHitBall(point.x, point.y)) {
endGame();
}
}
});
setVisible(true);
}
private void startGame() {
score = 0;
ballPanel.reset();
timer.restart();
}
private void endGame() {
timer.stop();
System.out.println("Game Over! Score: " + score);
}
private class BallPanel extends JPanel {
private static final long serialVersionUID = 1L;
private Ball ball;
public BallPanel() {
reset();
}
public void reset() {
ball = new Ball(getWidth(), getHeight());
}
public void update() {
ball.move(getWidth(), getHeight());
if (ball.getY() + BALL_SIZE >= getHeight()) {
score++;
ball.reset(getWidth(), getHeight());
}
}
public boolean isHitBall(int x, int y) {
return ball.isHit(x, y);
}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
ball.draw(g);
}
}
private class Ball implements Runnable {
private int x;
private int y;
private int vx;
private int vy;
private int width;
private int height;
private Color color;
private Thread thread;
public Ball(int width, int height) {
this.width = width;
this.height = height;
reset(width, height);
color = new Color(new Random().nextInt(256), new Random().nextInt(256),
new Random().nextInt(256));
thread = new Thread(this);
thread.start();
}
public void reset(int width, int height) {
x = new Random().nextInt(width - BALL_SIZE);
y = 0;
vx = new Random().nextInt(10) - 5;
vy = new Random().nextInt(10) + 1;
}
public int getX() {
return x;
}
public int getY() {
return y;
}
public boolean isHit(int x, int y) {
return x >= this.x && x <= this.x + BALL_SIZE && y >= this.y && y <= this.y + BALL_SIZE;
}
public void move(int width, int height) {
x += vx;
y += vy;
if (x < 0) {
x = 0;
vx = -vx;
}
if (x + BALL_SIZE > width) {
x = width - BALL_SIZE;
vx = -vx;
}
if (y < 0) {
y = 0;
vy = -vy;
}
if (y + BALL_SIZE > height) {
y = height - BALL_SIZE;
vy = -vy;
}
}
public void draw(Graphics g) {
g.setColor(color);
g.fillOval(x, y, BALL_SIZE, BALL_SIZE);
}
@Override
public void run() {
while (true) {
try {
Thread.sleep(10);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
public static void main(String[] args) {
new BallGame();
}
}
```
这是一个简单的示例代码,可能需要进行修改和调整以适应您的需求。
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