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2022-10-19
java实现弹球小游戏
GUI实现弹球小游戏,供大家参考,具体内容如下
先看一下游戏效果图。
一个简单的Demo。也比较简单,新手试着做一做完善改进。
源代码
import Com.Style.FontStyle;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
/**
* @Author: 冀十三
* @DescIption: 弹球小游戏
* @Date:2021--06--10--17:08
*/
public class Demo extends JFrame {
//创建游戏窗口
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;
//记录小球坐标
private double BallX = 100;
private double BallY = 200;
//记录球拍坐标
private double RACKET_X = 150;
private final double RACKET_Y = 380;
//记录小球速度
private double speedX = 10;
private double speedY = 20;
//记录游戏是否结束
private boolean isOver = false;
//声明一个积分器
int score= 0;
//声明一个计时器。
ActionListener run = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
//更新小球http://坐标让小球动起来
BallY+=speedY;
BallX+=speedX;
//重绘界面
mycanvas.repaint();
//碰到两边的时候
if (BallX<=0||BallX>=TABLE_WIDTH-BALL_SIZE){
speedX=-speedX;
}
//碰到上边界的时候
if(BallY<=0){
speedY=-speedY;
}
//接住小球的时候
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
timer.stop();
isOver=true;
mycanvas.repaint();
}
}
}
;
private Timer timer = new Timer(60, run);
//内部类继承Canvas充当画布
private class myCanvas extends Canvas {
public void paint(Graphics g) {
//绘制内容
//如果游戏结束
if (isOver) {
//给画笔颜色
g.setColor(new Color(0xFF9A1B44, true));
//给画笔字体
g.setFont(new Font("宋体", FontStyle.BOLD, 25));
g.drawString("Game Over!", 120, TABLE_HEIGHT / 4);
g.drawString("成绩"+score+"分", 120, TABLE_HEIGHT / 3);
g.drawString("按空格再来一次", 120, TABLE_HEIGHT / 2);
} else {
//否则游戏中
//绘制小球
g.setColor(new Color(0xFF09FAA6, true));
g.fillOval((int) BallX, (int) BallY, BALL_SIZE, BALL_SIZE);
//画一个积分系统
//上色
g.setColor(new Color(0xE8DC0C77,true));
//给画笔字体
g.setFont(new Font("宋体", FontStyle.BOLD, 25));
g.drawString("得分:"+score, 25, 25);
//绘制球拍
g.setColor(new Color(0xFF0E51D7, true));
g.fillRect((int) RACKET_X, (int) RACKET_Y, RACKET_WIDTH, RACKET_HEIGHT);
timer.start();
http:// }
}
}
//创建绘画区
myCanvas mycanvas = new myCanvas();
//窗口初始化
public void init() {
JFrame jFrame = new JFrame();
jFrame.setTitle("弹球小游戏");//窗口名称
jFrame.pack();//自适应布局
jFrame.setVisible(true);//可见
jFrame.add(mycanvas);
jFrame.setBounds(500, 200, TABLE_WIDTH, TABLE_HEIGHT);
jFrame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);//关闭
mycanvas.setPreferredSize(new Dimension(TABLE_WIDTH, TABLE_HEIGHT));//画布大小
jFrame.setResizable(false);//大小不可变
KeyListener keyListener = new KeyAdapter() {
//重写键盘被按压的方法
@Override
public void keyPressed(KeyEvent e) {
//接收按下的是哪个键
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);
}
}
}
};
//窗口获取键盘监听
jFrame.addKeyListener(keyListener);
//键盘获取键盘监听
mycanvas.addKeyListener(keyListener);
}
public static void main(String[] args) {
new Demo();
}
}
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