Java實現簡單的彈球遊戲
本文實例為大傢分享瞭Java實現簡單的彈球遊戲的具體代碼,供大傢參考,具體內容如下
該程序主要是用於對java圖形化界面編程進行聯系,程序實現全部采用的是AWT包下的類。
程序僅做參考,供學習使用。
import java.awt.Canvas; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.Frame; import java.awt.Graphics; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.Timer; public class PinBallGame { //創建窗口對象 private Frame frame = new Frame("彈球遊戲"); //桌面寬度 private final int TABLE_WTDTH = 300; //桌面高度 private final int TABLE_HEIGHT = 400; //球拍的高度和寬度 private final int RACKET_WIDTH = 60; private final int RACKET_HETGHT = 20; //小球的大小 private final int BALL_SIZE = 16; //定義變量,記錄小球的坐標 private int ballX = 120; private int ballY = 20; //定義變量,記錄小球在x和y方向上分別移動的速度 private int speedY = 10; private int speedX = 5; //定義變量,記錄球拍的坐標 private int racketX = 120; private final int racketY = 340; //定義變量,標識當前遊戲是否已結束 private boolean isOver = false; //聲明一個定時器 private Timer timer; //自定義一個類,繼承Canvas,充當畫佈 @SuppressWarnings("serial") private class MyCanvas extends Canvas{ @Override public void paint(Graphics g) { //TODO 在這裡繪制內容 if (isOver) { //遊戲結束 g.setColor(Color.BLUE); g.setFont(new Font("Times",Font.BOLD,30)); g.drawString("遊戲結束!", 50, 200); }else{ //遊戲中 //繪制小球 g.setColor(Color.RED); g.fillOval(ballX, ballY, BALL_SIZE, BALL_SIZE); //繪制球拍 g.setColor(Color.PINK); g.fillRect(racketX, racketY, RACKET_WIDTH, RACKET_HETGHT); } } } //創建繪畫區域 MyCanvas drawArea = new MyCanvas(); public void init() { //組裝視圖,遊戲邏輯的控制 //完成球拍坐標的變化 KeyListener listener = new KeyAdapter() { @Override public void keyPressed(KeyEvent e) { //獲取當前按下的鍵 int keyCode = e.getKeyCode(); if (keyCode == KeyEvent.VK_LEFT) { //<- 應該向左移動 if (racketX>0) { racketX -= 10; } } if (keyCode == KeyEvent.VK_RIGHT) { //-> 應該向右移動 if (racketX <(TABLE_WTDTH - RACKET_WIDTH)) { racketX += 10; } } } }; //給Frame和drawArea註測監聽器 frame.addKeyListener(listener); drawArea.addKeyListener(listener); //小球坐標的控制 ActionListener task = new ActionListener() { @Override public void actionPerformed(ActionEvent arg0) { //根據邊界范圍,修正速度 if (ballX<=0 || ballX>=(TABLE_WTDTH-BALL_SIZE)) { speedX = -speedX; } if (ballY <= 0 || (ballY > racketY-BALL_SIZE && ballX>racketX && ballX < racketX+RACKET_WIDTH)) { speedY = -speedY; } if (ballY > racketY-BALL_SIZE && (ballX < racketX || ballX > racketX+RACKET_WIDTH)) { //當前小球超出瞭球拍的范圍,遊戲結束 //停止定時器 timer.stop(); //修改遊戲是否結束的標記 isOver = true; //重繪界面 drawArea.repaint(); } //更新小球的坐標,重繪界面 ballX += speedX; ballY += speedY; //重繪界面 drawArea.repaint(); } }; timer = new Timer(100, task); timer.start(); drawArea.setPreferredSize(new Dimension(TABLE_WTDTH,TABLE_HEIGHT)); frame.add(drawArea); //設置frame最佳大小,並可視 frame.pack(); frame.setVisible(true); frame.setLocationRelativeTo(null); frame.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { System.exit(0); } }); } public static void main(String[] args) { new PinBallGame().init(); } }
以上就是本文的全部內容,希望對大傢的學習有所幫助,也希望大傢多多支持WalkonNet。