【JAVA】简易版飞机大战，表示原理的，代码粗糙不已。

系统管理员 2024-02-05 13:03 3阅读 0赞

import javax.swing.*;
    import java.awt.*;
    import java.awt.event.KeyAdapter;
    import java.awt.event.KeyEvent;
    
    public class GameFrame extends JFrame implements Runnable{
        private final int windowWidth;//画板的宽度
        private final int windowHeight;//画板的高度
        private final Graphics graphics; //画笔
        private final Image imageBackground;
        private final Image imagePlane;
        private final Image imageBullet;
        private int BackgroundY;
        private int PlaneX;
        private int PlaneY;
        private long timerClick;
        private int BulletX;
        private int BulletY;
        private final int PlaneWidth;
        private final int PlaneHeight;
        public GameFrame()
        {
            setLayout(null);
            windowWidth = 629;
            windowHeight = 990;
            PlaneWidth = 128;
            PlaneHeight = 128;
            setSize(windowWidth, windowHeight);
            setLocationRelativeTo(null);
            setVisible(true);
            graphics = getContentPane().getGraphics();
            imageBackground = Toolkit.getDefaultToolkit().getImage( "resources\\images\\background_01.png");
            imagePlane = Toolkit.getDefaultToolkit().getImage( "resources\\images\\Plane01.png");
            imageBullet = Toolkit.getDefaultToolkit().getImage( "resources\\images\\bullet_01.png");
            PlaneY = windowHeight - 200;
            PlaneX = windowWidth / 2;
            KeyCapture();
        }
    
        //读取键盘输入
        public void KeyCapture()
        {
            this.addKeyListener(new KeyAdapter()
            {
                public void keyPressed(KeyEvent e)
                {
                int keyCode = e.getKeyCode();
                System.out.println("keyCode: " + keyCode);
                switch (keyCode)
                {
                    case KeyEvent.VK_W:
                        PlaneY -= 4;
                        break;
    
                    case KeyEvent.VK_S:
                        PlaneY += 4;
                        break;
    
                    case KeyEvent.VK_A:
                        PlaneX -= 4;
                        break;
    
                    case KeyEvent.VK_D:
                        PlaneX += 4;
                        break;
    
                    default:
                        System.out.println("KeyCode error!"); break;
                }
                }
            });
        }
    
        @Override
        public void run() {
            while (true)
            {
                timerClick++;
                graphics.drawImage(imageBackground, 0, (BackgroundY % windowHeight - windowHeight), windowWidth,windowHeight, this);
                graphics.drawImage(imageBackground, 0, BackgroundY % windowHeight, windowWidth, windowHeight, this);
                graphics.drawImage(imagePlane, PlaneX, PlaneY, PlaneWidth, PlaneHeight, this);
                graphics.drawImage(imageBullet, BulletX, BulletY , PlaneWidth / 2, PlaneHeight / 2, this);
                BackgroundY += 3;
                try {
                    Thread.sleep(10);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                if (timerClick % 60 == 0)
                {
                    BulletX = PlaneX + PlaneWidth / (2*2);
                    BulletY = PlaneY - PlaneHeight / 2;
                }
    
                BulletY -= 4;
            }
        }
    
        public static void main(String[] args)
        {
            GameFrame gameFrame = new GameFrame();
            Thread thread = new Thread(gameFrame);
            thread.start();
        }
    }

**运行效果：**

![a97811527117405fadacadb83daa7b14.png][]![04b3a976a5784dabb324ee3a45493a50.png][]![dbba12b264a74a62a52215a84c7d2fd5.png][]

[a97811527117405fadacadb83daa7b14.png]: https://img-blog.csdnimg.cn/direct/a97811527117405fadacadb83daa7b14.png
[04b3a976a5784dabb324ee3a45493a50.png]: https://img-blog.csdnimg.cn/direct/04b3a976a5784dabb324ee3a45493a50.png
[dbba12b264a74a62a52215a84c7d2fd5.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/02/05/c7d35e81214a4cd8ad505abdeb41c9ca.png