环境：jdk1.8 idea2017.4

效果图

类图

代码

BallJFrame .java

import javax.swing.*;
public class BallJFrame extends JFrame {private BallJPanel jPanel;public BallJFrame(){jPanel=new BallJPanel(900,1080);this.add(jPanel);}public void showJF(){this.setSize(900,1080);this.setTitle("雷电游戏plus");this.setResizable(true);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jPanel.startRun();this.setVisible(true);}public static void main(String[] args) {BallJFrame jFrame=new BallJFrame();jFrame.showJF();}
}

BallJPanel .java

import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.util.ArrayList;
import java.util.Random;public class BallJPanel extends JPanel implements MouseMotionListener, MouseListener, Runnable {//private Ball background;private Ball airPlane;  //我机private int sum = 0; //积分private int num = 0; //我机能被撞的次数private int speed = 50; //控制敌机产生速度private int nandu, nandu2; //控制难度private boolean isOver = false; //是否运行完成private boolean isFire = false;  //是否发射private ArrayList<Ball> fireList = new ArrayList<Ball>(); //我机子弹集合 --无限private ArrayList<Ball> enmeyList = new ArrayList<Ball>(); //敌机集合 --无限private ArrayList<Ball> deathList = new ArrayList<Ball>();  //敌机死亡集合private ArrayList<Ball> backList = new ArrayList<Ball>();  //背景图集合private ArrayList<Boss> boss = new ArrayList<Boss>(); //bossprivate ArrayList<Ball> deathBoss = new ArrayList<Ball>(); //Deathbossprivate ArrayList<Ball> prop = new ArrayList<Ball>(); //道具private ArrayList<Ball> boss_fire = new ArrayList<Ball>(); //boss子弹集合private ArrayList<Ball> boss_fire_bomb = new ArrayList<Ball>(); //boss子弹爆炸集合private Image img_back = new ImageIcon("img\\t\\bg.png").getImage();private Image img_back2 = new ImageIcon("img\\t\\back.jpg").getImage();private Image img_back3 = new ImageIcon("img\\t\\back.gif").getImage();private Image img_hero = new ImageIcon("img\\t\\hero1.png").getImage();private Image img_fire = new ImageIcon("img\\t\\fire.gif").getImage();private Image img_enemy = new ImageIcon("img\\t\\enemy.png").getImage();private Image img_bomb = new ImageIcon("img\\t\\bomb_0.gif").getImage();private Image img_over = new ImageIcon("img\\t\\over.jpg").getImage();private Image img_boss = new ImageIcon("img\\t\\e2.png").getImage();private Image img_boss_bomb = new ImageIcon("img\\t\\bomb_1.gif").getImage();private Image img_prop = new ImageIcon("img\\t\\gwls1.gif").getImage();private Image img_boss_fire = new ImageIcon("img\\t\\el_bb_0.gif").getImage();private Image img_boss_fire_bomb = new ImageIcon("img\\t\\bomb_3.gif").getImage();BallJPanel() {}BallJPanel(int w, int h) {//background = new Ball(0, 0, w, h, img_back);//初始化背景图backList.add(new Ball(0, 0, w, h, img_back));backList.add(new Ball(0, 1080, w, h, img_back2));backList.add(new Ball(0, 1080 * 2, w, h, img_back3));//初始化我机图airPlane = new Ball(w / 2, h - 100, 70, 70, img_hero);//初始化boss//boss = new Boss(new Random().nextInt(1200), 0, 100, 100, img_boss);//初始化deatobss//deathBoss = new Boss(0, 0, 100, 100, img_bomb);//添加鼠标监听事件// 添加鼠标移动监听  第一个this代表当前面板  第二个this 代表鼠标this.addMouseMotionListener(this);//鼠标监听this.addMouseListener(this);}@Overridepublic void paint(Graphics g) {super.paint(g);// background.drawImage(g);//画背景for (int i = 0; i < backList.size(); i++) {backList.get(i).drawImage(g);}//画我机airPlane.drawImage(g);//画子弹for (int i = 0; i < fireList.size(); i++) {fireList.get(i).drawImage(g);}//画敌机for (int i = 0; i < enmeyList.size(); i++) {enmeyList.get(i).drawImage(g);}//画死亡敌机for (int i = 0; i < deathList.size(); i++) {deathList.get(i).drawImage(g);}//画bossfor (int i = 0; i < boss.size(); i++) {boss.get(i).drawImage(g);}//画boss子弹for (int i = 0; i < boss_fire.size(); i++) {boss_fire.get(i).drawImage(g);}//画boss子弹爆炸for (int i = 0; i < boss_fire_bomb.size(); i++) {boss_fire_bomb.get(i).drawImage(g);}//画deathbossfor (int i = 0; i < deathBoss.size(); i++) {deathBoss.get(i).drawImage(g);}//画道具for (int i = 0; i < prop.size(); i++) {prop.get(i).drawImage(g);}g.setColor(Color.red);g.setFont(new Font("楷体", Font.BOLD, 18));g.drawString("生命：" + String.valueOf(5 - num), 700, 30);g.setColor(Color.blue);g.drawString("积分：" + String.valueOf(sum), 700, 60);g.setColor(Color.black);g.drawString("难度：" + String.valueOf(10 - speed / 5), 700, 90);if (isOver) {g.drawImage(img_over, 200, 400, 400, 400, null);g.setFont(new Font("楷体", Font.BOLD, 25));g.setColor(Color.white);g.fillRect(300, 830, 110, 30);g.fillRect(450, 830, 70, 30);g.setColor(Color.red);g.drawString("Restart", 300, 850);g.drawString("Exit", 450, 850);}}/*** 鼠标拖动时执行** @param e*/@Overridepublic void mouseDragged(MouseEvent e) {airPlane.setX(e.getX() - 35);airPlane.setY(e.getY() - 35);repaint();}@Overridepublic void run() {int count = 0;int Sw = 40; //子弹大小int Offset = 2; //子弹威力int shotSpeed = 2; //子弹速度int generatShotSpeed = 20; //子弹产生速度speed = 50; //控制敌机产生速度nandu = 50;nandu2 = 2;Random rd = new Random();while (!isOver) {//产生子弹count++;if (count == Integer.MAX_VALUE) {count = 0;}if (isFire && count % generatShotSpeed == 0) {Ball ball = new Ball(airPlane.getX() + 17, airPlane.getY() - 20, Sw, Sw, img_fire);fireList.add(ball);}//子弹移动for (int i = 0; i < fireList.size(); i++) {Ball fb = fireList.get(i);//移动fb.minusY(shotSpeed);//清除子弹if (fb.getY() < -40) {fireList.remove(i);}}//产生敌机if (count % speed == 0) {Ball el = new Ball(rd.nextInt(1000), 0, 40, 40, img_enemy);enmeyList.add(el);}//敌机移动for (int i = 0; i < enmeyList.size(); i++) {//移动enmeyList.get(i).enemyPlaneMove();//清除敌机if (enmeyList.get(i).getY() > 1300) {enmeyList.remove(i);}}//产生bossif (count % 1000 == 0) {int w = rd.nextInt(100) + 100;Boss b = new Boss(new Random().nextInt(900), 0, w, w, w - 100, img_boss);boss.add(b);}//boss移动for (int i = 0; i < boss.size(); i++) {//boss子弹if (boss.size() != 0 && count % 50 == 0) {Ball ball = new Ball(boss.get(i).getX() + 70, boss.get(i).getY() + 50, 40, 40, img_boss_fire);boss_fire.add(ball);}//移动boss.get(i).bossMove();if (boss.get(i).getY() > 1300) {boss.get(i).setXY();}//我机遇上bossif (airPlane.isT(boss.get(i))) {Boss B = boss.get(i);B.setImg(img_bomb);deathBoss.add(B);//boss消失boss.remove(i);//我机掉血num += 2;}}//boss子弹移动for (int i = 0; i < boss_fire.size(); i++) {Ball fb = boss_fire.get(i);//移动fb.addY();//清除子弹if (fb.getY() > 1080) {boss_fire.remove(i);}}//boss子弹遇上我机子弹for (int i = 0; i < boss_fire.size(); i++) {for (int j = 0; j < fireList.size(); j++) {if (boss_fire.get(i).isT(fireList.get(j))){fireList.get(j).setImg(img_bomb);deathList.add(fireList.get(j));fireList.remove(j);boss_fire.remove(i);break;}}}//boss子弹撞上我机for (int i = 0; i < boss_fire.size(); i++) {if (boss_fire.get(i).isT(airPlane)) {boss_fire.get(i).setImg(img_boss_fire_bomb);boss_fire.get(i).setX(airPlane.getX()-20);boss_fire.get(i).setY(airPlane.getY()-40);boss_fire.get(i).setW(200);boss_fire.get(i).setH(200);boss_fire_bomb.add(boss_fire.get(i));boss_fire.remove(i);num++;}}//产生道具if (count % 2000 == 0) {Ball b_prop = new Ball(new Random().nextInt(900), 0, 100, 100, img_prop);prop.add(b_prop);// System.out.println("产生道具");}//道具移动for (int i = 0; i < prop.size(); i++) {prop.get(i).enemyPlaneMove();//我机遇到道具if (airPlane.isT(prop.get(0))) {Offset += 2;shotSpeed += 4;if (generatShotSpeed != 4) {generatShotSpeed -= 4;}if (Sw < 100) {Sw += 25;}prop.remove(0);}if (prop.size() != 0) {if (prop.get(i).getY() > 1200) {prop.remove(i);}}}//子弹遇到敌机for (int i = 0; i < fireList.size(); i++) {//子弹遇到敌机for (int j = 0; j < enmeyList.size(); j++) {if (fireList.get(i).isT(enmeyList.get(j))) {//把爆炸图加载到死亡敌机集合Ball ball = enmeyList.get(j);ball.setImg(img_bomb);deathList.add(ball);//相遇 则子弹和敌机都消失fireList.remove(i);enmeyList.remove(j);//消灭一个敌机加10分sum += 10;if ((sum % nandu == 0) && (speed != 5)) {//每消灭50架敌机 敌机产生速度加快一次speed -= 5;nandu = nandu + 50 * nandu2;nandu2 += 2;}break;}}}for (int i = 0; i < fireList.size(); i++) {Ball bom = fireList.get(i);//子弹遇上bossfor (int j = 0; j < boss.size(); j++) {if (bom.isT(boss.get(j))) {boss.get(j).minusLife(Offset);//把爆炸子弹加入死亡战机集合显示bom.setImg(img_boss_bomb);bom.setW(100);bom.setH(100);deathBoss.add(bom);// System.out.println("sad   :"+boss.get(j).getLife());//boss生命小于0时if (boss.get(j).getLife() < 0) {boss.get(j).setImg(img_boss_bomb);deathBoss.add(boss.get(j));boss.remove(j);}//移除相遇的子弹fireList.remove(i);break;}}}//我机撞上敌机for (int i = 0; i < enmeyList.size(); i++) {if (airPlane.isT(enmeyList.get(i))) {Ball ball = enmeyList.get(i);ball.setImg(img_bomb);deathList.add(ball);enmeyList.remove(i);num++;}}//隔一段时间让爆炸消失for (int i = 0; i < deathList.size(); i++) {if (count % 30 == 0) {deathList.remove(i);}}for (int i = 0; i < deathBoss.size(); i++) {if (count % 30 == 0) {deathBoss.remove(i);}}for (int i = 0; i < boss_fire_bomb.size(); i++) {if (count % 30 == 0) {boss_fire_bomb.remove(i);}}//如果我机被装5次，gameoverif (num >= 5) {isOver = true; //游戏结束//移除鼠标监听this.removeMouseMotionListener(this);num = 5;repaint();break;}//背景图移动for (int i = 0; i < backList.size(); i++) {Ball bg = backList.get(i);if (bg.getY() > -1080) {bg.setY(bg.getY() - 1);} else {bg.setY(1080 * (backList.size() - 1));}}try {Thread.sleep(5);repaint();} catch (InterruptedException e) {e.printStackTrace();}}}@Overridepublic void mouseClicked(MouseEvent e) {if (isOver) {if (e.getX() > 300 && e.getX() < 410 && e.getY() > 830 && e.getY() < 860) {//初始化所有参数this.sum = 0; //积分this.num = 0; //我机能被撞的次数this.isFire = false;  //是否发射this.isOver = false;  //是否overthis.addMouseMotionListener(this); //添加鼠标监听事件enmeyList.clear();fireList.clear();deathList.clear();boss.clear();deathBoss.clear();boss_fire.clear();boss_fire_bomb.clear();this.startRun();}if (e.getX() > 450 && e.getX() < 520 && e.getY() > 830 && e.getY() < 860) {System.exit(0);}}}/*** 鼠标移动时执行** @param e*/@Overridepublic void mouseMoved(MouseEvent e) {airPlane.setX(e.getX() - 35);airPlane.setY(e.getY() - 35);repaint();}public void startRun() {Thread t = new Thread(this);t.start();}@Overridepublic void mousePressed(MouseEvent e) {//按下发射isFire = true;}@Overridepublic void mouseReleased(MouseEvent e) {//松开停止发射isFire = false;}@Overridepublic void mouseEntered(MouseEvent e) {}@Overridepublic void mouseExited(MouseEvent e) {}public boolean isOver() {return isOver;}public void setOver(boolean over) {isOver = over;}
}

Ball .java

import java.awt.*;
import java.util.Random;
public class Ball {private int x;  //坐标private int y;private int w;  //宽高private int h;private Image img;Random rd = new Random();private boolean flag = rd.nextBoolean();Ball() {}Ball(int x, int y, Image img) {this.x = x;this.y = y;this.img = img;}Ball(int x, int y, int w, int h, Image img) {this.x = x;this.y = y;this.w = w;this.h = h;this.img = img;}/*** 俩小球碰撞判定 碰撞返回true 否则返回false* @param ball* @return*/public boolean isT(Ball ball) {int r1 = this.w / 2; //第一个球的半径int r2 = ball.getW() / 2; //第二个球的半径int x2 = ball.getX();   //第二个球的坐标int y2 = ball.getY();double s = Math.sqrt(Math.pow(x2 - x, 2) + Math.pow(y2 - y, 2));double sr = r1 + r2;return s <= sr;}//敌机移动public void enemyPlaneMove() {this.y++;if (flag) {this.x = this.x + rd.nextInt(3);} else {this.x = this.x - rd.nextInt(3);}flag = rd.nextBoolean();}//我机子弹移动public void minusY(int shotSpeed) {this.y-=shotSpeed;}//boss子弹移动public void addY() {this.y+=2;}//画的方法public void drawImage(Graphics g) {g.drawImage(img, x, y, w, h, null);}public int getX() {return x;}public void setX(int x) {this.x = x;}public int getY() {return y;}public void setY(int y) {this.y = y;}public int getW() {return w;}public void setW(int w) {this.w = w;}public int getH() {return h;}public void setH(int h) {this.h = h;}public Image getImg() {return img;}public void setImg(Image img) {this.img = img;}
}

Boss .java

import java.awt.*;
public class Boss extends Ball {private int life;public void setXY(){this.setX(rd.nextInt(1200));this.setY(0);}public void minusLife(int offset){this.life-=offset;//System.out.println(this.life);}public void bossMove(){super.enemyPlaneMove();}public boolean isShow() {return isShow;}public void setShow(boolean show) {isShow = show;}private boolean isShow;Boss(){}Boss(int x, int y, int w, int h, int life,Image img){super(x, y, w, h, img);this.life=life;}public int getLife() {return life;}public void setLife(int life) {this.life = life;}
}

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