java實現彈球小游戲

GUI實現彈球小游戲，供大家參考，具體內容如下

先看一下游戲效果圖。

一個簡單的Demo。也比較簡單，新手試著做一做完善改進。

源代碼

import Com.Style.FontStyle;import javax.swing.*;import java.awt.*;import java.awt.event.*;/** * @Author： 冀十三 * @DescIption： 彈球小游戲 * @Date:2021--06--10--17:08 */public class Demo extends JFrame { //創建游戲窗口 public Demo() {init(); } //桌面大小 private final int TABLE_WIDTH = 450; private final int TABLE_HEIGHT = 600; //球大小 private final int BALL_SIZE = 15; //球拍大小 private final int RACKET_WIDTH = 120; private final int RACKET_HEIGHT = 20; //記錄小球坐標 private double BallX = 100; private double BallY = 200; //記錄球拍坐標 private double RACKET_X = 150; private final double RACKET_Y = 380; //記錄小球速度 private double speedX = 10; private double speedY = 20; //記錄游戲是否結束 private boolean isOver = false; //聲明一個積分器 int score= 0; //聲明一個計時器。 ActionListener run = new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) { //更新小球坐標讓小球動起來 BallY+=speedY; BallX+=speedX; //重繪界面 mycanvas.repaint(); //碰到兩邊的時候 if (BallX<=0||BallX>=TABLE_WIDTH-BALL_SIZE){speedX=-speedX; } //碰到上邊界的時候 if(BallY<=0){speedY=-speedY; } //接住小球的時候 if ( BallY>=(RACKET_Y-BALL_SIZE)&&BallX>RACKET_X&&BallX<(RACKET_X+RACKET_WIDTH)){//得10分score+=10;speedY=-speedY; } if ((BallY>(RACKET_Y-BALL_SIZE)&&(BallX<RACKET_X||BallX>RACKET_X+RACKET_WIDTH))){timer.stop();isOver=true;mycanvas.repaint(); }} };private Timer timer = new Timer(60, run);//內部類繼承Canvas充當畫布private class myCanvas extends Canvas { public void paint(Graphics g) {//繪制內容//如果游戲結束if (isOver) { //給畫筆顏色 g.setColor(new Color(0xFF9A1B44, true)); //給畫筆字體 g.setFont(new Font('宋體', FontStyle.BOLD, 25)); g.drawString('Game Over!', 120, TABLE_HEIGHT / 4); g.drawString('成績'+score+'分', 120, TABLE_HEIGHT / 3); g.drawString('按空格再來一次', 120, TABLE_HEIGHT / 2);} else { //否則游戲中 //繪制小球 g.setColor(new Color(0xFF09FAA6, true)); g.fillOval((int) BallX, (int) BallY, BALL_SIZE, BALL_SIZE); //畫一個積分系統 //上色 g.setColor(new Color(0xE8DC0C77,true)); //給畫筆字體 g.setFont(new Font('宋體', FontStyle.BOLD, 25)); g.drawString('得分:'+score, 25, 25); //繪制球拍 g.setColor(new Color(0xFF0E51D7, true)); g.fillRect((int) RACKET_X, (int) RACKET_Y, RACKET_WIDTH, RACKET_HEIGHT); timer.start();} }}//創建繪畫區myCanvas mycanvas = new myCanvas();//窗口初始化public void init() { JFrame jFrame = new JFrame(); jFrame.setTitle('彈球小游戲');//窗口名稱 jFrame.pack();//自適應布局 jFrame.setVisible(true);//可見 jFrame.add(mycanvas); jFrame.setBounds(500, 200, TABLE_WIDTH, TABLE_HEIGHT); jFrame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);//關閉 mycanvas.setPreferredSize(new Dimension(TABLE_WIDTH, TABLE_HEIGHT));//畫布大小 jFrame.setResizable(false);//大小不可變 KeyListener keyListener = new KeyAdapter() {//重寫鍵盤被按壓的方法@Overridepublic void keyPressed(KeyEvent e) { //接收按下的是哪個鍵 int key = e.getKeyCode(); if (key == KeyEvent.VK_LEFT) {if (RACKET_X >0) { RACKET_X -= 30;} } if (key == KeyEvent.VK_RIGHT) {if (RACKET_X < (TABLE_WIDTH - RACKET_WIDTH )) { RACKET_X += 30;} } if (key == KeyEvent.VK_SPACE) {if (isOver=true) { Demo.main(null);} }} }; //窗口獲取鍵盤監聽 jFrame.addKeyListener(keyListener); //鍵盤獲取鍵盤監聽 mycanvas.addKeyListener(keyListener);}public static void main(String[] args) { new Demo();}}

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持好吧啦網。