西南交通大學java課程設(shè)計

1、JAVA綜合實驗：滑板反射小球游戲?qū)I(yè)：電子科學與技術(shù)（微電子方向）學號：20132116姓名：李瑞婷2014-2015第二學期源代碼：ball.javapackage ;import ;import ;import ;import ;public class Ball extends BallComponent / 定義球的豎向速度private int speedY = 10;/ 定義彈球的橫向速度private int speedX = 8;/ 定義是否在運動private boolean started = false;/ 定義是否結(jié)束運動private boolean stop =

2、false;/* * m 有參數(shù)構(gòu)造器 * * param panelWidth * int 畫板寬度 * param panelHeight * int 畫板高度 * param offset * int 位移 * param path * String 圖片路徑 */public Ball(int panelWidth, int panelHeight, int offset, String path)throws IOException / 調(diào)用父構(gòu)造器super(panelWidth, panelHeight, path);/ 設(shè)置y坐標this.setY(panelHeight -

3、super.getImage().getHeight(null) - offset);/* * 設(shè)置橫向速度 * * param speed * int 速度 * return void */public void setSpeedX(int speed) this.speedX = speed;/* * 設(shè)置豎向速度 * * param speed * int 速度 * return void */public void setSpeedY(int speed) this.speedY = speed;/* * 設(shè)置是否在運動 * * param b * boolean * return v

4、oid */public void setStarted(boolean b) this.started = b;/* * 設(shè)置是否結(jié)束運動 * * param b * boolean * return void */public void setStop(boolean b) this.stop = b;/* * 返回橫向速度 * * return int 速度 */public int getSpeedX() return this.speedX;/* * 返回豎向速度 * * return int 速度 */public int getSpeedY() return this.speed

5、Y;/* * 是否在運動 * * return boolean 是否在運動 */public boolean isStarted() return this.started;/* * 是否已經(jīng)結(jié)束運動 * * return boolean 是否已經(jīng)結(jié)束運動 */public boolean isStop() return this.stop;BallComponentpackage ;import ;import ;import ;import ;public class BallComponent / 設(shè)置x坐標private int x = -1;/ 設(shè)置y坐標private int y

6、= -1;/ 設(shè)置圖片private Image image = null;/ 設(shè)置圖片速度private int speed = 5;public BallComponent(String path) throws IOException super();this.image = ImageIO.read(new File(path);/* * 構(gòu)造器 * * param panelWidth * int 畫板寬度 * param panelHeight * int 畫板高度 * param path * String 圖片路徑 */public BallComponent(int pane

7、lWidth, int panelHeight, String path)throws IOException super();/ 讀取圖片this.image = ImageIO.read(new File(path);/ 設(shè)置x坐標this.x = (int) (panelWidth - image.getWidth(null) / 2);/* * 構(gòu)造器 * * param x * int 圖像的x坐標 * param y * int 圖像的y坐標 * param path * String 圖片路徑 */public BallComponent(String path, int x,

8、int y) throws IOException super();/ 讀取圖片this.image = ImageIO.read(new File(path);this.x = x;this.y = y;/* * 獲取x坐標 * * return int x坐標 */public int getX() return this.x;/* * 獲取y坐標 * * return int y坐標 */public int getY() return this.y;/* * 獲取圖片速度 * * return int 圖片速度 */public int getSpeed() return this.s

9、peed;/* * 設(shè)置x坐標 * * param x * int x坐標 * return void */public void setX(int x) this.x = x;/* * 設(shè)置y坐標 * * param y * int y坐標 * return void */public void setY(int y) this.y = y;/* * 返回圖片 * * return Image 圖片 */public Image getImage() return this.image;BallFramepackage ;import ;import ;import ;import ;imp

10、ort ;import ;import ;import ;import ;import ;import ;import ;import ;public class BallFrame extends JFrame / 定義JPanel的寬度private final int BALLPANEL_WIDTH = 307;/ 定義JPanel的高度private final int BALLPANEL_HEIGHT = 400;/ 定義畫板private BallPanel ballPanel = null;/ 定義檔板/ private Image stick = null;/ 設(shè)置檔板x坐標p

11、rivate int stickX = -1;/ 創(chuàng)建一個BallService實例private BallService service = null;/ 定義一個timerTimer timer = null;/* * 默認構(gòu)造器 */public BallFrame() throws IOException super();/ 初始化initialize();/* * 初始化界面 * * return void */public void initialize() throws IOException / 設(shè)置窗口的標題this.setTitle("彈球");/ 設(shè)置

12、為不可改變大小this.setResizable(false);/ 設(shè)置背景為黑色this.setBackground(Color.BLACK);/ 獲取畫板ballPanel = getBallPanel();/ 創(chuàng)建BallService實例service = new BallService(this, BALLPANEL_WIDTH, BALLPANEL_HEIGHT);/ 定義每0.1秒執(zhí)行一次監(jiān)聽器ActionListener task = new ActionListener() public void actionPerformed(ActionEvent e) / 開始改變位置

13、service.run();/ 刷新畫板ballPanel.repaint();/ 如果timer不為空if (timer != null) / 重新開始timertimer.restart(); else / 新建一個timertimer = new Timer(100, task);/ 開始timertimer.start();this.add(ballPanel);/ 增加事件監(jiān)聽器KeyListener klarr = this.getKeyListeners();if (klarr.length = 0) / 定義鍵盤監(jiān)聽適配器KeyListener keyAdapter = new

14、 KeyAdapter() public void keyPressed(KeyEvent ke) / 改變檔板的坐標service.setStickPos(ke);this.addKeyListener(keyAdapter);/* * 獲取畫板 * * return BallPanel 返回BallPanle */public BallPanel getBallPanel() if (ballPanel = null) / 新建一個畫板ballPanel = new BallPanel();/ 設(shè)置畫板的大小ballPanel.setPreferredSize(new Dimension(

15、BALLPANEL_WIDTH,BALLPANEL_HEIGHT);return ballPanel;/ 定義一個JPanel內(nèi)部類來完成畫圖功能public class BallPanel extends JPanel /* * 重寫void paint( Graphics g )方法 * * param g * Graphics * return void */public void paint(Graphics g) / 畫圖service.draw(g);BallGamepackage ;import ;import ;public class BallGame /* * 開始游戲 *

16、 * return void */public static void main(String args) throws IOException BallFrame ballFrame = new BallFrame();ballFrame.pack();ballFrame.setVisible(true);ballFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);BallServicepackage ;import ;import ;import ;import ;public class BallService / 定義一個Stick

17、(檔板)private Stick stick = null;/ 定義一個彈球private Ball ball = null;/ 定義一個游戲結(jié)束圖片private BallComponent gameOver = null;/ 定義一個贏了游戲的圖片private BallComponent won = null;/ 定義一個磚塊圖片數(shù)組private Brick bricks = null;private int width;private int height;BallFrame ballFrame = null;/* * 私有空構(gòu)造器 */private BallService()

18、super();/* * * param frame * JFrame JFrame實例 * param width * int 寬 * param height * int 高 * return BallService */public BallService(BallFrame frame, int width, int height)throws IOException / 初始化變量this.width = width;this.height = height;this.ballFrame = frame;/ 創(chuàng)建一個Stick(檔板)實例stick = new Stick(width

19、, height, "img/stick.jpg");/ 創(chuàng)建一個彈球的實例ball = new Ball(width, height, stick.getImage().getHeight(null),"img/ball.gif");/ 游戲結(jié)束圖片gameOver = new BallComponent("img/over.gif");/ 贏圖片won = new BallComponent("img/win.gif");/ 磚塊圖片數(shù)組bricks = createBrickArr("img/bri

20、ck.gif", 11, 6);/* * run * * return void */public void run() / 彈球坐標改變setBallPos();/ 道具坐標改改變setMagicPos();/* * 設(shè)置檔板圖片的位置 * * param ke * KeyEvent 鍵盤事件 * return void */public void setStickPos(KeyEvent ke) / 把彈球的運動狀態(tài)設(shè)為trueball.setStarted(true);/ 如果是左方向鍵if (ke.getKeyCode() = KeyEvent.VK_LEFT) if (st

21、ick.getX() - stick.SPEED > 0) / x坐標向左移動stick.setX(stick.getX() - stick.SPEED);/ 如果是右方向鍵if (ke.getKeyCode() = KeyEvent.VK_RIGHT) if (stick.getX() + stick.SPEED < width - stick.getPreWidth() / x坐標向右移動stick.setX(stick.getX() + stick.SPEED);/ ballFrame.getBallGame().reStart( ballFrame );/ 如果是F2鍵if

22、 (ke.getKeyCode() = KeyEvent.VK_F2) / 初始化ballFrametry ballFrame.initialize(); catch (IOException e) System.out.println(e.getMessage();/* * 設(shè)置小球圖片的位置 * * return void */public void setBallPos() / 正數(shù)的數(shù)度int absSpeedX = Math.abs(ball.getSpeedX();int absSpeedY = Math.abs(ball.getSpeedY();/ 如果游戲已經(jīng)開始而且沒有結(jié)束i

23、f (ball.isStarted() / 如果小球碰到左邊界if (ball.getX() - absSpeedX < 0) / 重新設(shè)置x坐標ball.setX(ball.getImage().getWidth(null);/ 把x方向的速度設(shè)為反方向ball.setSpeedX(-ball.getSpeedX();/ 如果小球碰到右邊界if (ball.getX() + absSpeedX > width- ball.getImage().getWidth(null) / 重新設(shè)置x坐標ball.setX(width - ball.getImage().getWidth(nu

24、ll) * 2);/ 把x方向的速度設(shè)為反方向ball.setSpeedX(-ball.getSpeedX();/ 如果小球碰到上邊界if (ball.getY() - absSpeedY < 0) / 重新設(shè)置y坐標ball.setY(ball.getImage().getWidth(null);/ 把y方向的速度設(shè)為反方向ball.setSpeedY(-ball.getSpeedY();/ 如果小球碰到下邊界if (ball.getY() + absSpeedY > height- stick.getImage().getHeight(null) / 如果小球與檔板有碰撞if

25、(isHitStick(ball) / 重新設(shè)置y坐標ball.setY(height - ball.getImage().getHeight(null) * 2);/ 把y方向的速度設(shè)為反方向ball.setSpeedY(-ball.getSpeedY();/ 與磚塊碰撞后的運動for (int i = bricks.length - 1; i > -1; i-) for (int j = bricksi.length - 1; j > -1; j-) / 如果小球與磚塊有碰撞if (isHitBrick(bricksij) if (ball.getSpeedY() > 0

26、) ball.setSpeedY(-ball.getSpeedY();/ 結(jié)束游戲if (ball.getY() > height) ball.setStop(true);/ 設(shè)置x坐標ball.setX(ball.getX() - (int) (Math.random() * 2)- ball.getSpeedX();/ 設(shè)置y坐標ball.setY(ball.getY() - (int) (Math.random() * 2)- ball.getSpeedY();/* * 小球與磚塊是否有碰撞 * * return boolean */public boolean isHitBric

27、k(Brick brick) if (brick.isDisable() return false;/ ball的圓心x坐標double ballX = ball.getX() + ball.getImage().getWidth(null) / 2;/ ball的圓心y坐標double ballY = ball.getY() + ball.getImage().getHeight(null) / 2;/ brick的中心x坐標double brickX = brick.getX() + brick.getImage().getWidth(null) / 2;/ brick的中心y坐標doub

28、le brickY = brick.getY() + brick.getImage().getHeight(null) / 2;/ 兩個坐標點的距離double distance = Math.sqrt(Math.pow(ballX - brickX, 2)+ Math.pow(ballY - brickY, 2);/ 如果兩個圖形重疊，返回true;if (distance < (ball.getImage().getWidth(null) + brick.getImage().getWidth(null) / 2) / 使brick無效brick.setDisable(true);r

29、eturn true;return false;/* * BallComponent是否與檔板有碰撞 * * param image * BallComponent 圖像 * return boolean */public boolean isHitStick(BallComponent bc) / 獲取圖片對象Image tempImage = bc.getImage();/ 如果與檔板有碰撞if (bc.getX() + tempImage.getWidth(null) > stick.getX()&& bc.getX() < stick.getX() + st

30、ick.getPreWidth()&& bc.getY() + tempImage.getHeight(null) > stick.getY() return true;return false;/* * 設(shè)置道具的位置 * * return void */public void setMagicPos() for (int i = 0; i < bricks.length; i+) for (int j = 0; j < bricksi.length; j+) / 獲取magicMagic magic = bricksij.getMagic();if (ma

31、gic != null) / 如果這個brick的狀態(tài)是無效的if (bricksij.isDisable() && magic.getY() < height) / 設(shè)置magic的y坐標向下增加magic.setY(magic.getY() + magic.getSpeed();/ 設(shè)置檔板的寬度setStickWidth(magic);/* * 設(shè)置檔板的長度 * * param magic * Magic 道具 * return void */public void setStickWidth(Magic magic) if (isHitStick(magic)

32、/ 道具的作用magic.magicDo(stick);/* * 判斷是否贏了 * * return boolean */public boolean isWon() / 如果消了全部磚塊，則為贏for (int i = 0; i < bricks.length; i+) for (int j = 0; j < bricksi.length; j+) if (!bricksij.isDisable() return false;return true;/* * 創(chuàng)建一個類型為Brick的數(shù)組 * * param path * String 圖像路徑 * param xSize *

33、int * param ySize * int * return Brick */public Brick createBrickArr(String path, int xSize, int ySize)throws IOException / 創(chuàng)建一個BrickBrick bricks = new BrickxSizeySize;int x = 0;int y = 0;int random = 0;int imageSize = 28;boolean isDisable = false;/ 迭代初始化數(shù)組for (int i = 0; i < xSize; i+) for (int

34、j = 0; j < ySize; j+) / 創(chuàng)建一個新的磚塊random = (int) (Math.random() * 3);x = i * imageSize;y = j * imageSize;/ 一定機率沒有磚塊isDisable = Math.random() > 0.8 ? true : false;if (isDisable) random = 0;Brick brick = new Brick(path, random, x, y);brick.setDisable(isDisable);/ 設(shè)置x坐標brick.setX(x);/ 設(shè)置y坐標brick.se

35、tY(y);bricksij = brick;return bricks;/* * 畫圖 * * param g * Graphics 用來畫圖的對象 * return void */public void draw(Graphics g) / 如果贏了if (isWon() / 繪制贏的圖片g.drawImage(won.getImage(), won.getX(), won.getY(), width,height - 10, null); else if (ball.isStop() / 繪制游戲結(jié)束圖像g.drawImage(gameOver.getImage(), gameOver.

36、getX(), gameOver.getY(),width, height - 10, null); else / 清除原來的圖像g.clearRect(0, 0, width, height);/ 繪制檔板圖像g.drawImage(stick.getImage(), stick.getX(), stick.getY(), stick.getPreWidth(), stick.getImage().getHeight(null), null);/ 繪制彈球圖像g.drawImage(ball.getImage(), ball.getX(), ball.getY(), null);/ 迭代繪制磚塊圖像for (int i = 0; i < bricks.length; i+) for (int j = 0; j < bricksi.length; j+) BallComponent magic = bricksij.getMagic();/ 如果這個磚塊圖像對像是有效的if (!bricksij.isDisable() / 里面的數(shù)字1為磚塊圖像間的間隙g.drawImage(bricksij.getImage(), bricksij.getX(), bri