swing 飞机大战三自己飞机的移动和发射子弹

小鱼儿 2022-06-14 05:22 275阅读 0赞

自己飞机的移动是让面板使用鼠标监听移动事件(接口`MouseMotionListener`)，发射子弹是使用点击事件(接口`MouseListener`)

自己飞机有子弹，敌人飞机有子弹，那就创建一个子弹的父类，有子弹的坐标和图片属性，自己的子弹向上发射，敌人的子弹向下发射，

用线程去让子弹自己移动，当子弹移除屏幕看不见的时候，就把子弹从集合中去除，当鼠标点击地图一下，就生成自己的一枚子弹

子弹父类

package Game;
    
    import java.util.Vector;
    
    import javax.swing.ImageIcon;
    
    public class Bomb {
    	public int x;
    	public int y;
    	public boolean vis; //是否可见
    	public Vector<Bomb> bombarr;
    	public ImageIcon img;
    	public Bomb(){
    	}
    	public Bomb(int x, int y,boolean vis){
    		this.x = x;
    		this.y = y;
    		this.vis = true;
    	}
    	
    }

我的子弹

package Game;
    
    import java.util.Vector;
    
    import javax.swing.ImageIcon;
    
    public class MyBomb extends Bomb implements Runnable{
    	public MyBomb(){
    		bombarr = new Vector<>();
    	}
    	public MyBomb(int x, int y, boolean vis) {
    		super(x, y, vis);
    		img = new ImageIcon("img/zd-1.png");
    	}
    	@Override
    	public void run() {
    		while (true){
    			try {
    				Thread.sleep(100);
    			} catch (InterruptedException e) {
    				e.printStackTrace();
    			}
    			//自己炸弹，向上移动
    			for (int i=0; i<bombarr.size(); i++){
    				if (bombarr.get(i).y < 0){
    					bombarr.remove(i);
    					i--;
    					continue;
    				}
    				bombarr.get(i).y -= 5;
    			}
    		}
    	}
    }

关卡类

package pass;
    
    import java.awt.Graphics;
    import java.awt.Image;
    import java.awt.Point;
    import java.awt.Toolkit;
    import java.awt.event.MouseAdapter;
    import java.awt.event.MouseEvent;
    import java.awt.event.MouseListener;
    import java.net.URL;
    import java.util.Vector;
    
    import javax.swing.ImageIcon;
    import javax.swing.JFrame;
    import javax.swing.JPanel;
    
    import Game.FoeFly;
    import Game.Map;
    import Game.MyBomb;
    import Game.MyFly;
    
    /**
     * 
     * @author Administrator
     *关卡类，
     */
    public class No1 { //初始化面板
    	PanelNo1 mp;
    	public No1(JFrame jf){
    		mp = new PanelNo1();
    		jf.add(mp);
    		jf.setSize(400, 600);
    		mp.setBounds(0, 0, 500, 600);
    	}
    }
    class PanelNo1 extends JPanel implements Runnable{
    	MyFly myfly;
    	Vector<FoeFly> foefly;
    	Vector<Map> imgarr;
    	MyBomb mybomb;
    	public PanelNo1() {
    		myfly = new MyFly(240, 500, 100, true);
    		foefly = new Vector<>();
    		imgarr = new Vector<>();
    		mybomb = new MyBomb();
    		imgarr.add(new Map(0));
    		imgarr.add(new Map(-600)); //初始化地图位置
    		new Thread(this).start(); //启动背景滚动线程
    		new Thread(mybomb).start(); //启动自己子弹发射线程
    		/**********鼠标事件*********/
    		this.addMouseMotionListener(new MouseAdapter() {
    			public void mouseMoved(MouseEvent e){ //移动事件，改变自己飞机位置
    				myfly.x = e.getX();
    				myfly.y = e.getY();
    				URL classUrl = this.getClass().getResource("");
    				Image imageCursor = Toolkit.getDefaultToolkit().getImage(classUrl);  
    				setCursor(Toolkit.getDefaultToolkit().createCustomCursor(imageCursor,  new Point(0, 0), "cursor"));
    			}
    		});
    		this.addMouseListener(new MouseAdapter() {
    			public void mousePressed(MouseEvent e){ //点击事件，增加一颗子弹
    				mybomb.bombarr.add(new MyBomb(myfly.x+25, myfly.y, true));
    				System.out.println(mybomb.bombarr.size());
    			}
    		});
    	}
    	public void paint(Graphics g){
    		super.paint(g);
    		//进行地图的绘制，和画飞机画子弹
    		drawMap(g); //画地图
    		drawMyFly(g); //画我的飞机
    		drawMyBomb(g); //画自己的炸弹
    		drawFoeFly(g); //敌人飞机
    		drawFoeBomb(g); //敌人弹
    		this.repaint();
    	}
    	public void drawMap(Graphics g){
    		for (int i=0; i<2; i++){
    			g.drawImage(imgarr.get(i).img1.getImage(), 0, imgarr.get(i).y, 400, 600 ,null);
    		}
    	}
    	public void drawMyFly(Graphics g){ //画自己飞机
    		g.drawImage(new ImageIcon("img/myA.png").getImage(), myfly.x, myfly.y,50,50, null);
    	}
    	public void drawMyBomb(Graphics g){//画自己的子弹
    		for(int i=0; i<mybomb.bombarr.size(); i++){
    			g.drawImage(mybomb.bombarr.get(i).img.getImage(), mybomb.bombarr.get(i).x,mybomb.bombarr.get(i).y , 10, 20, null);
    		}
    	}
    	public void drawFoeFly(Graphics g){
    		
    	}
    	public void drawFoeBomb(Graphics g){
    		
    	}
    	@Override
    	public void run() {
    		while (true){
    			try {
    				Thread.sleep(10);
    			} catch (Exception e) {
    				e.printStackTrace();
    			}
    			for (int i=0; i<2; i++){ //刷新地图
    				imgarr.get(i).y += 1;
    				if (imgarr.get(i).y >= 600){
    					imgarr.get(i).y = -599;
    				}
    			}
    		}
    	}
    }

使用这段代码放入移动事件中，可以达到隐藏鼠标的效果

URL classUrl = this.getClass().getResource("");  
Image imageCursor = Toolkit.getDefaultToolkit().getImage(classUrl);    
setCursor(Toolkit.getDefaultToolkit().createCustomCursor(imageCursor,  new Point(0, 0), "cursor"));

效果

![Center][]

[Center]: /images/20220614/edd24114b02f492f994b3968351e237e.png