java打砖块

Java打砖块游戏，可以完美运行！ 即使年龄已经开始慢慢的增长，但我还是怀念当初我玩这个游戏时的乐趣！

package com.fei;

import java.awt.*;

public class Ball {
    private double x y;//左上角的位置
    private boolean isAlive = true;
    private boolean moveToRight = true moveToDown = true;
    private int count;

    private static int XSpeed = 20;

    private static int YSpeed = 15;
    public static int R = 4;

    public Ball（） {
        this.x = 0;
        this.y = 0;
        count = 0;
    }

    public Ball（int x int y） {
        this.x = x;
        this.y = y;
    }

    public void draw（Graphics g） {
        if （isAlive） {
            Color c = g.getColor（）;
            g.setColor（Color.YELLOW）;
            g.fillOval（（int） x （int） y R + R R + R）;
            g.setColor（c）;
//            System.out.println（x+“\t“+y）;
        }
    }

    public void move（double dt） {
        if （moveToDown）
            y += YSpeed * dt;
        else
            y -= YSpeed * dt;
        if （moveToRight）
            x += XSpeed * dt;
        else
            x -= XSpeed * dt;
//        System.out.println（x + “\t“ + y）;
    }

    public Rectangle getRect（） {
        return new Rectangle（（int）x - R （int） y - R R + R R + R）;// 加法速度比乘法快
    }

    public double getX（） {
        return x;
    }

    public double getY（） {
        return y;
    }

    public int getCount（） {
        return count;
    }

    public int getXSpeed（） {
        return XSpeed;
    }

    public int getYSpeed（） {
        return YSpeed;
    }

    public boolean isAlive（） {
        return isAlive;
    }

    public void setIsAlive（boolean isAlive） {
        this.isAlive = isAlive;
    }

    public boolean isMoveToDown（） {
        return moveToDown;
    }

    public boolean isMoveToRight（） {
        return moveToRight;
    }

    public boolean bounceOffVertical（Event e） {
        boolean flag = false;
        Brick brick = e.getBrick（）;
        if（brick == null）{
            flag = true;
            this.count++;
            this.moveToRight = ! this.moveToRight;
        }else{
            if（brick.isAlive（） && this.y+0.1 >= brick.getTop（） - R - R && this.y-0.1 <= brick.getBottom（） - R） {
                flag = true;
                this.count++;
                this.moveToRight = !this.moveToRight;
                brick.setLive（false）;
            }
        }
        return flag;
    }

    public boolean bounceOffHorizontal（Event eWall myWall） {
        boolean flag = false;
        Brick brick = e.getBrick（）;
        if（brick == null）{
            if（this.moveToDown && this.x+0.1 >= myWall.getX（） - R && this.x-0.1 <= myWall.getX（） + Wall.WIDTH - R） {
                flag = true;
                this.count++;
                this.moveToDown = false;
            }else if（!this.moveToDown）{
                flag = true;
                this.count++;
                this.moveToDown = true;
            }
        }else{
            if（brick.isAlive（） && this.x+0.1

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        301  2017-12-27 19:00  xiaoyouxi\.classpath

     文件        385  2017-12-27 19:00  xiaoyouxi\.project

     文件        598  2017-12-27 19:00  xiaoyouxi\.settings\org.eclipse.jdt.core.prefs

     文件       3417  2018-01-04 00:05  xiaoyouxi\bin\com\fei\Ball.class

     文件       1951  2018-01-02 20:51  xiaoyouxi\bin\com\fei\Brick.class

     文件        962  2018-01-02 20:55  xiaoyouxi\bin\com\fei\DIYArrayList$DIYArrayIterator.class

     文件       2656  2018-01-02 20:55  xiaoyouxi\bin\com\fei\DIYArrayList.class

     文件       1600  2018-01-02 20:58  xiaoyouxi\bin\com\fei\Event.class

     文件        644  2018-01-02 23:49  xiaoyouxi\bin\com\fei\GAME$1.class

     文件        913  2018-01-02 23:49  xiaoyouxi\bin\com\fei\GAME$2.class

     文件        868  2018-01-02 23:49  xiaoyouxi\bin\com\fei\GAME$KeyMonitor.class

     文件       2460  2018-01-02 23:49  xiaoyouxi\bin\com\fei\GAME$PaintThread.class

     文件       6901  2018-01-02 23:49  xiaoyouxi\bin\com\fei\GAME.class

     文件       1469  2018-01-02 22:23  xiaoyouxi\bin\com\fei\MinPQ$HeapIterator.class

     文件       4841  2018-01-02 22:23  xiaoyouxi\bin\com\fei\MinPQ.class

     文件       1068  2018-01-02 20:24  xiaoyouxi\bin\com\fei\Wall$Direction.class

     文件       2944  2018-01-02 20:24  xiaoyouxi\bin\com\fei\Wall.class

     文件       3306  2018-01-04 00:05  xiaoyouxi\src\com\fei\Ball.java

     文件       1005  2018-01-02 20:51  xiaoyouxi\src\com\fei\Brick.java

     文件       1764  2018-01-02 20:55  xiaoyouxi\src\com\fei\DIYArrayList.java

     文件        955  2018-01-02 20:58  xiaoyouxi\src\com\fei\Event.java

     文件       8810  2018-01-02 23:49  xiaoyouxi\src\com\fei\GAME.java

     文件       9103  2018-01-02 22:23  xiaoyouxi\src\com\fei\MinPQ.java

     文件       2290  2018-01-02 20:24  xiaoyouxi\src\com\fei\Wall.java

     目录          0  2018-01-07 14:16  xiaoyouxi\bin\com\fei

     目录          0  2018-01-07 14:16  xiaoyouxi\src\com\fei

     目录          0  2018-01-07 14:16  xiaoyouxi\bin\com

     目录          0  2018-01-07 14:16  xiaoyouxi\src\com

     目录          0  2018-01-07 14:16  xiaoyouxi\.settings

     目录          0  2018-01-07 14:16  xiaoyouxi\bin

............此处省略5个文件信息