弹球小游戏(实现篇)
这是一个用JAVA写的弹球游戏，适合于刚学习的awt编程的萌新，由于Nick也是刚刚学习，所以写的很简陋，大家多多见谅！
弹球小游戏
import javax.swing.*;import java.awt.*;import java.awt.event.*;public class PinBall { //创建窗口对象 private Frame frame = new Frame("Nick的弹球游戏"); //桌面宽度 private final int TABLE_WIDTH = 300; //桌面高度 private final int TABLE_HEIGHT = 400; //球拍的高度和宽度 private final int RACKET_HEIGHT = 20; private final int RACKET_WIDTH = 60; //小球直径大小 private final int BALL_SIZE = 16; //定义变量,记录小球的坐标 private int ballX = 120; private int ballY = 20; //定义变量小球x和y方向上分别移动的速度 private int speedY = 15; private int speedX = 10; //定义变量,记录球拍的坐标 private int racketX = 120; private final int racketY = 340; //定义变量,标识当前游戏是否结束 private boolean isOver = false; //声明一个定时器 private Timer timer; //自定义一个类，继承canvas，充当画布 private class MyCanvas extends Canvas{ @Override public void paint(Graphics g) { //在这里绘制内容 if(isOver){ //游戏结束 g.setColor(Color.blue); g.setFont(new Font("Times",Font.BOLD,30)); g.drawString("游戏结束",50,200); }else{ //游戏中 //绘制小球 g.setColor(Color.RED); g.fillOval(ballX,ballY,BALL_SIZE,BALL_SIZE);//填充圆形 //绘制球拍 g.setColor(Color.BLACK); g.fillRect(racketX,racketY,RACKET_WIDTH,RACKET_HEIGHT); } } } //创建绘画区域 MyCanvas drawArea = new MyCanvas(); public void init(){ //组装视图,游戏逻辑的控制 KeyListener listener=new KeyAdapter() { public void keyPressed(KeyEvent e) { int keyCode=e.getKeyCode(); if(keyCode ==KeyEvent.VK_LEFT) { //左移 if(racketX>0) { racketX-=10; } } if(keyCode == KeyEvent.VK_RIGHT) { //右移 if(racketX < (TABLE_WIDTH-RACKET_WIDTH)) { racketX+=10; } } } }; //给 Frame 和 drawArea 注册监听器 frame.addKeyListener(listener); drawArea.addKeyListener(listener); //小球坐标控制 ActionListener task = new ActionListener() { @Override public void actionPerformed(ActionEvent e) { //根据边界范围，修正速度 if(ballX=(TABLE_WIDTH-BALL_SIZE)){ speedX = -speedX; } if(ballYracketY-BALL_SIZE && ballX racketY-BALL_SIZE && (ballX racketX+RACKET_WIDTH)){ //当前小球超出了球拍的范围,游戏结束 //停止定时器 timer.stop(); //修改游戏是否结束的标记 isOver = true; //重绘界面 drawArea.repaint(); } //更新小球坐标重绘界面 ballX+=speedX; ballY+=speedY; //重绘界面 drawArea.repaint(); } }; timer = new Timer(95,task); timer.start(); drawArea.setPreferredSize(new Dimension(TABLE_WIDTH,TABLE_HEIGHT)); frame.add(drawArea); //设置frame最佳大小，并可视 frame.pack(); frame.setVisible(true); } public static void main(String[] args) { new PinBall().init(); }}
