JAVA小项目之摇奖机

  1 package com.gxlee.lhj;  2   3 import java.awt.Color;  4 import java.awt.Container;  5 import java.awt.Graphics;  6 import java.awt.event.MouseAdapter;  7 import java.awt.event.MouseEvent;  8 import java.awt.image.BufferedImage;  9 import java.util.ArrayList; 10 import java.util.List; 11 import java.util.Random; 12  13 import javax.swing.JFrame; 14 import javax.swing.JPanel; 15  16 @SupPRessWarnings("serial") 17 public class MainFrame extends JFrame { 18  19     private List<Fruit> fruits; 20     private boolean running = false; 21     private Random r = new Random(); 22     private String backimg = "bg.png"; 23     private int fruitOver = 0; 24  25     public MainFrame() { 26         // 构造函数 27         this.setTitle("摇奖机  v1.0"); 28         this.setSize(Utils.WIDTH, Utils.HEIGHT); 29         this.setDefaultCloSEOperation(EXIT_ON_CLOSE); 30         this.setLocationRelativeTo(null); 31         this.setResizable(false); 32  33         Container c = getContentPane(); 34         MyPanel zb = new MyPanel(); 35         c.add(zb); 36         fruits = new ArrayList<Fruit>(); 37         // 添加3个 38         for (int i = 0; i < 3; i++) { 39             Fruit fruit = new Fruit(); 40             fruit.setIndex(r.nextInt(6)); 41             fruits.add(fruit); 42         } 43         this.addMouseListener(new MousClick()); 44         this.setVisible(true); 45  46     } 47  48     public class MyPanel extends JPanel { 49  50         protected void paintComponent(Graphics g) { 51             g.fillRect(0, 0, Utils.WIDTH, Utils.HEIGHT); 52             g.drawImage(Utils.images.get(backimg), 0, 0, Utils.WIDTH, 53                     Utils.HEIGHT, this); 54             BufferedImage image = Utils.images.get("fruit.jpg"); 55             BufferedImage subImg = null; 56  57             // 画水果 58             if (!running && fruitOver == 3) { 59                 int i = 0; 60                 for (Fruit f : fruits) { 61                     subImg = image.getSubimage(f.getIndex() * 94, 0, 94, 102); 62                     g.drawImage(subImg, 84 + (i++ * (67 + 9)), 313, 67, 100, 63                             this); 64                 } 65             } else { 66                 int i = 0; 67                 for (Fruit f : fruits) { 68                     int index = f.getIndex(); 69                     int offset = f.getOffset(); 70                     int nextIndex = 0; 71                     // 如果offset == 0 的话 或者已经移动到 就只需要一张 72                     if (!f.isAlive() || offset == 0) { 73                         subImg = image.getSubimage(f.getIndex() * 94, 0, 94, 74                                 102); 75                         g.drawImage(subImg, 84 + ((i) * (67 + 9)), 313, 67, 100, 76                                 this); 77                         i+=1; 78                         continue; 79                     } 80                     // 得到下一张图的index 81                     nextIndex = (index == 5) ? 0 : index + 1; 82                     // 画第一张 83                     subImg = image.getSubimage(index * 94, 0, 94, 102 - offset); 84                     g.drawImage(subImg, 84 + (i * (67 + 9)), 313 + offset, 67, 85                             100 - offset, this); 86                     // 画第二张 87                     subImg = image.getSubimage(nextIndex * 94, 102 - offset, 88                             94, offset);// 取得子图标 89                     g.drawImage(subImg, 84 + (i * (67 + 9)), 313, 67, offset, 90                             this); 91                     i+=1; 92                 } 93             } 94             g.setColor(new Color(181, 36, 43)); 95             g.fillRect(84, 358, 220, 6); 96         } 97     } 98  99     public class MousClick extends MouseAdapter {100 101         @Override102         public void mouseClicked(MouseEvent e) {103             int x = e.getX();104             int y = e.getY();105             //如果按的是开始摇杆106             if(x<=415 && x>=371){107                 if(y<=200 && y>=160){108                     running = true ^ running;109                     new ShowBackGroud().start();110                     if(running){111                         fruitOver = 0;112                         fruits.clear();113                         for (int i = 0; i < 3; i++) {114                             Fruit f = new Fruit();115                             f.setIndex(r.nextInt(6));116                             f.setRunning(true);117                             fruits.add(f);118                             new MyThread(f, 70 + i * 10).start();119                             f.setAlive(true);120                         }121                     }else{122                         for (Fruit f : fruits) {123                             f.setRunning(false);124                         }125                     }126                 }127                 return;128             }129             int index = -1;130             if(y<=495 && y>=480){131                 if(x>=60 && x<=90){132                     //第一个按钮133                      index = 0;134                 }else if(x>=106 && x<=140){135                     //第二个按钮136                      index = 1;137                 }else if(x>=153 && x<=182){138                     //第三个按钮139                     index = 2;140                 }141                 if(running && index >-1)142                     fruits.get(index).setRunning(false);143             }144         }145     }146 147     public static void main(String[] args) {148         new MainFrame();149     }150 151     public class MyThread extends Thread {152         public Fruit f;153         public int speed;//最后慢下来时候的初始速度154         public int sleep = 40;//休眠时长155         public int offset;//当传递一个速度是  要完成N张图片的正好播放完产生一个偏移位置156         public MyThread(Fruit f, int delay) {157             this.f = f;158             this.speed = delay;159             offset = getOffset(delay);160             161         }162         public int getOffset(int delay){163             int sum = 0;164             for(int i = 1;i<=delay;i++){165                 sum +=i;166             }167             return sum % 102;168         }169         @Override170         public void run() {171             while (f.isRunning()) {172                 f.setSpeed(90);// r.nextInt(70)+10 区别不大173                 try {174                     Thread.sleep(40);175                 } catch (InterruptedException e) {176                 }177                 repaint();178             }179             // 停止的时候180             //修正距离  从速度N开始减 速度每减1 181             //70开始的话 能走 2485：2485%102 = 37182             // 80的话 3240%102= 78  90%4095%102=15  183             f.setDistance(offset, true);//留一个像素184             int sum = 0;185             while (f.isAlive()) {186                 //缓慢下来的效果187                 f.setSpeed(speed);188                 sum += speed;189                 speed-- ;190                 try {191                     Thread.sleep(sleep+=3);192                 } catch (InterruptedException e) {193                 }194                 repaint();195             }196             synchronized (new Object()) {197                 fruitOver++;198             }199         }200 201     }202 203     public class ShowBackGroud extends Thread {204 205         @Override206         public void run() {207             backimg = "bg2.png";208             try {209                 Thread.sleep(500);210             } catch (InterruptedException e) {211             }212             backimg = "bg.png";213         }214 215     }216 217 }

 1 package com.gxlee.lhj; 2  3  4 public class Fruit { 5     private int index = 0; 6     private int nextIndex = 0; 7     private int maxIndex = 5; 8     private int width=94 ;//单个图片的宽度 并 9     private int height = 102;//图片的高度  后面并没有用到 全部写死10     private int distance;11     private boolean alive = true;12     private boolean running ;13     private int speed;14     private int offset;15     public void setSpeed(int speed){16         if (speed<=0){17             speed = 0;18             alive = false;19         }20         this.speed = speed;21         setDisttance(distance+= speed);22     }23     24     public boolean isRunning() {25         return running;26     }27 28     public void setRunning(boolean running) {29         this.running = running;30     }31 32     public int getNextIndex() {33         return nextIndex;34     }35     public void setNextIndex(int nextIndex) {36         this.nextIndex = nextIndex;37     }38     public int getOffset() {39         return offset;40     }41     public void setOffset(int offset) {42         this.offset = offset;43     }44  45     public int getSpeed() {46         return speed;47     }48     public boolean isAlive() {49         return alive;50     }51 52     public void setAlive(boolean alive) {53         this.alive = alive;54     }55 56     public int getDistance() {57         return distance;58     }59     public void setDistance(int offset, boolean flag ) {60         int nextIndex = index==5?0:index+1;61         int dis = nextIndex*102+102-(offset);62         setDisttance(dis);63     }64     public void setDisttance(int distance){65         if(distance>=6*102){distance = distance % 102;}66         this.distance = distance; 67         index = distance / 102;68         offset = distance % 102;69         nextIndex = (index == 5) ? 0 : index + 1;    70     }71 72     public void setIndex(int index){73         this.index = index;74         distance = index*height;75     }76     77     public int getHeight(){78         return height;79     }80     public int getIndex() {81         return index;82     }83 84     public int getMaxIndex() {85         return maxIndex;86     }87     public void setMaxIndex(int maxIndex) {88         this.maxIndex = maxIndex;89     }90     public int getWidth() {91         return width;92     }93     94     95     96 }

 1 package com.gxlee.lhj; 2  3 import java.awt.image.BufferedImage; 4 import java.io.File; 5 import java.io.IOException; 6 import java.util.HashMap; 7 import java.util.Map; 8  9 import javax.imageio.ImageIO;10 11 public class Utils {12     public static Map<String, BufferedImage> images = new HashMap<String,BufferedImage>();13     public static final int WIDTH = 440;14     public static final int HEIGHT =600;15     16     public static final int FRUIT_WIDTH = 94;17     public static final int FRUIT_HEIGHT = 102;18     19     20     static{21       File dir = new File("img");22       File[] files = dir.listFiles();23       for (File file:files) {24         try {25             BufferedImage image = ImageIO.read(file);26             images.put(file.getName(), image);27         } catch (IOException e) {28             //e.printStackTrace();29         }30     }    31     }32 }