Java贪吃蛇
说明：X加速，Z减速，空格暂停，长度无上限直到死为止。
1、Game.java
1 package game; 2 3 import java.awt.BorderLayout; 4 import javax.swing.JFrame; 5 import control.Controller; 6 import grid.Grid; 7 import mysnake.Food; 8 import mysnake.Ground; 9 import mysnake.Snake; 10 import view.GamePanel; 11 12 public class Game { 13 14 public static void main(String[] args) { 16 Snake snake = new Snake(); 17 Food food = new Food(); 18 GamePanel gamepanel = new GamePanel(); 19 Ground ground = new Ground(); 20 Controller controller = new Controller(snake,food,ground,gamepanel); 21 JFrame frame = new JFrame(" Snake --- By xxxxxxx "+ "↑↓←→ : move Z : decelerate X : accelerate Space : pause"); 22 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 23 gamepanel.setSize(Grid.WIDTH*Grid.CELL_SIZE,Grid.HEIGHT*Grid.CELL_SIZE); 24 frame.setSize(Grid.WIDTH*Grid.CELL_SIZE+10,Grid.HEIGHT*Grid.CELL_SIZE+35); 25 frame.add(gamepanel,BorderLayout.CENTER); 26 gamepanel.addKeyListener(controller); 27 snake.addListener(controller); 28 frame.addKeyListener(controller); 29 frame.setVisible(true); 30 controller.newGame(); 31 } 32 }
2、Grid.java
1 package grid; 2 3 public class Grid { 4 public static final int CELL_SIZE = 1; 5 public static final int WIDTH = 888; 6 public static final int HEIGHT = 666; 7 }
3、Food.java
1 package mysnake; 2 3 import java.awt.Color; 4 import java.awt.Graphics; 5 import java.awt.Point; 6 import java.util.Random; 7 import grid.Grid; 8 9 public class Food extends Point{ 10 private int xx = new Random().nextInt(7); 11 public boolean isSnakeEatFood(Snake snake){ 12 if((((snake.getHead().x*Grid.CELL_SIZE+Grid.CELL_SIZE*10)==this.x*Grid.CELL_SIZE+1*Grid.CELL_SIZE)&& 13 (snake.getHead().y>(this.y-Grid.CELL_SIZE*10))&& 14 (snake.getHead().y<(this.y+Grid.CELL_SIZE*10)))|| 15 (((snake.getHead().x*Grid.CELL_SIZE)==this.x*Grid.CELL_SIZE+9*Grid.CELL_SIZE)&& 16 (snake.getHead().y>(this.y-Grid.CELL_SIZE*10))&& 17 (snake.getHead().y<(this.y+Grid.CELL_SIZE*10)))|| 18 (((snake.getHead().y*Grid.CELL_SIZE+Grid.CELL_SIZE*10)==this.y*Grid.CELL_SIZE+1*Grid.CELL_SIZE)&& 19 (snake.getHead().x>(this.x-Grid.CELL_SIZE*10))&& 20 (snake.getHead().x<this.x+Grid.CELL_SIZE*10))|| 21 (((snake.getHead().y*Grid.CELL_SIZE)==this.y*Grid.CELL_SIZE+9*Grid.CELL_SIZE)&& 22 (snake.getHead().x>(this.x-Grid.CELL_SIZE*10))&& 23 (snake.getHead().x<this.x+Grid.CELL_SIZE*10))){ 24 return true; 25 }else{ 26 return false; 27 } 28 } 29 30 public void drawMe(Graphics g){ 31 switch(xx){ 32 case 0:g.setColor(Color.RED);break; 33 case 1:g.setColor(Color.ORANGE);break; 34 case 2:g.setColor(Color.YELLOW);break; 35 case 3:g.setColor(Color.GREEN);break; 36 case 4:g.setColor(Color.BLUE);break; 37 case 5:g.setColor(Color.CYAN);break; 38 case 6:g.setColor(Color.PINK);break; 39 } 40 g.fill3DRect(x*Grid.CELL_SIZE,y*Grid.CELL_SIZE,Grid.CELL_SIZE*10,Grid.CELL_SIZE*10,true); 41 } 42 43 public void newFood(Point p){ 44 this.setLocation(p); 45 } 46 }
4、Ground.java
1 package mysnake; 2 3 import java.awt.Color; 4 import java.awt.Graphics; 5 import java.util.Random; 6 import grid.Grid; 7 8 public class Ground{ 9 private int[][] rocks = new int[Grid.WIDTH][Grid.HEIGHT]; 10 private int xx = new Random().nextInt(7); 11 public boolean isSnakeEatRock(Snake snake){ 12 for(int i=0;i<Grid.WIDTH;i++){ 13 for(int j=0;j<Grid.HEIGHT;j++){ 14 if((rocks[i][j]==1)&& 15 ((((snake.getHead().x*Grid.CELL_SIZE+Grid.CELL_SIZE*10)==i*Grid.CELL_SIZE+1*Grid.CELL_SIZE)&& 16 (snake.getHead().y>(j-Grid.CELL_SIZE*10))&& 17 (snake.getHead().y<(j+Grid.CELL_SIZE*10)))|| 18 (((snake.getHead().x*Grid.CELL_SIZE)==i*Grid.CELL_SIZE+9*Grid.CELL_SIZE)&& 19 (snake.getHead().y>(j-Grid.CELL_SIZE*10))&& 20 (snake.getHead().y<(j+Grid.CELL_SIZE*10)))|| 21 (((snake.getHead().y*Grid.CELL_SIZE+Grid.CELL_SIZE*10)==j*Grid.CELL_SIZE+1*Grid.CELL_SIZE)&& 22 (snake.getHead().x>(i-Grid.CELL_SIZE*10))&& 23 (snake.getHead().x<i+Grid.CELL_SIZE*10))|| 24 (((snake.getHead().y*Grid.CELL_SIZE)==j*Grid.CELL_SIZE+9*Grid.CELL_SIZE)&& 25 (snake.getHead().x>(i-Grid.CELL_SIZE*10))&& 26 (snake.getHead().x<i+Grid.CELL_SIZE*10)))) 27 {return true;}}} 28 return false; 29 } 30 31 public boolean catchfood(Food food){ 32 for(int i=0;i<Grid.WIDTH;i++){ 33 for(int j=0;j<Grid.HEIGHT;j++){ 34 if((rocks[i][j]==1)&&((((food.x*Grid.CELL_SIZE+10*Grid.CELL_SIZE>i*Grid.CELL_SIZE) 35 &&(food.x*Grid.CELL_SIZE<(i*Grid.CELL_SIZE+Grid.CELL_SIZE*10)))&& 36 ((food.y*Grid.CELL_SIZE+10*Grid.CELL_SIZE>j*Grid.CELL_SIZE)&& 37 (food.y*Grid.CELL_SIZE<(j*Grid.CELL_SIZE+Grid.CELL_SIZE*10)))))) 38 {return true;}}} 39 return false; 40 } 41 42 public Ground(){ 43 for(int i=0;i<100;i++){ 44 int a = new Random().nextInt(Grid.WIDTH); 45 int b = new Random().nextInt(Grid.HEIGHT); 46 if(b<0){b=Grid.HEIGHT-1;} 47 if(b+10>=Grid.HEIGHT){b=0;} 48 if(a<0){a=Grid.WIDTH-1;} 49 if(a+10>=Grid.WIDTH){a=0;} 50 rocks[a][b] = 1; 51 } 52 } 53 54 public void drawMe(Graphics g){ 55 switch(xx){ 56 case 0:g.setColor(Color.RED);break; 57 case 1:g.setColor(Color.ORANGE);break; 58 case 2:g.setColor(Color.YELLOW);break; 59 case 3:g.setColor(Color.GREEN);break; 60 case 4:g.setColor(Color.BLUE);break; 61 case 5:g.setColor(Color.CYAN);break; 62 case 6:g.setColor(Color.PINK);break; 63 } 64 for(int x=0;x<Grid.WIDTH;x++){ 65 for(int y=0;y<Grid.HEIGHT;y++){ 66 if(rocks[x][y]==1){ 67 g.fill3DRect(x*Grid.CELL_SIZE,y*Grid.CELL_SIZE,Grid.CELL_SIZE*10,Grid.CELL_SIZE*10,true); 68 } 69 } 70 } 71 } 72 }
5、Snake.java
1 package mysnake; 2 3 import java.awt.Color; 4 import java.awt.Graphics; 5 import java.awt.Point; 6 import java.util.HashSet; 7 import java.util.LinkedList; 8 import java.util.Set; 9 import grid.Grid; 10 11 public class Snake { 12 13 public Snake(){ 14 init(); 15 } 16 17 public void init(){ 18 int x = Grid.WIDTH/2; 19 int y = Grid.HEIGHT/2; 20 for(int i=0;i<33;i++){ 21 body.addFirst(new Point(x--,y)); 22 } 23 olddirection = newdirection = LEFT; 24 life = true; 25 efil = true; 26 efil1 = 0; 27 threadspeed = 10; 28 } 29 30 public static final int UP = 0; 31 public static final int DOWN = 1; 32 public static final int LEFT = 2; 33 public static final int RIGHT = 3; 34 35 private int olddirection,newdirection; 36 private LinkedList<Point> body = new LinkedList<Point>(); 37 private Set<Snakelisten> listener = new HashSet<Snakelisten>(); 38 private boolean life; 39 private boolean efil; 40 private int efil1; 41 private int threadspeed; 42 public Point getHead(){ 43 return body.getFirst(); 44 } 45 public void move(){ 46 int x = body.getFirst().x; 47 int y = body.getFirst().y; 48 switch(efil1){case 0: 49 if((olddirection+newdirection!=5)&&(olddirection+newdirection!=1)){ 50 olddirection = newdirection; 51 } 52 body.removeLast(); 53 switch(olddirection){ 54 case UP:y--;if(y<0){y=Grid.HEIGHT-1;}break; 55 case DOWN:y++;if(y+10>=Grid.HEIGHT){y=0;}break; 56 case LEFT:x--;if(x<0){x=Grid.WIDTH-1;}break; 57 case RIGHT:x++;if(x+10>=Grid.WIDTH){x=0;}break; 58 } 59 Point newHead = new Point(x,y); 60 body.addFirst(newHead); 61 break; 62 case 1:break;} 63 } 64 public void changeDirection(int direction){ 65 newdirection = direction; 66 } 67 public void eatFood(){ 68 int x = body.getFirst().x; 69 int y = body.getFirst().y; 70 for(int i=0;i<10;i++){ 71 switch(olddirection){ 72 case UP:y--;if(y<0){y=Grid.HEIGHT-1;}break; 73 case DOWN:y++;if(y+10>=Grid.HEIGHT){y=0;}break; 74 case LEFT:x--;if(x<0){x=Grid.WIDTH-1;}break; 75 case RIGHT:x++;if(x+10>=Grid.WIDTH){x=0;}break; 76 } 78 Point newHead = new Point(x,y); 79 body.addFirst(newHead);} 80 } 81 public boolean isEatBody(){ 82 for(int i=22;i<body.size();i++){ 83 if((((this.getHead().x*Grid.CELL_SIZE+Grid.CELL_SIZE*10)== 84 body.get(i).x*Grid.CELL_SIZE+1*Grid.CELL_SIZE)&& 85 (this.getHead().y>(body.get(i).y-Grid.CELL_SIZE*10))&& 86 (this.getHead().y<(body.get(i).y+Grid.CELL_SIZE*10)))|| 87 (((this.getHead().x*Grid.CELL_SIZE)==body.get(i).x*Grid.CELL_SIZE+9*Grid.CELL_SIZE)&& 88 (this.getHead().y>(body.get(i).y-Grid.CELL_SIZE*10))&& 89 (this.getHead().y<(body.get(i).y+Grid.CELL_SIZE*10)))|| 90 (((this.getHead().y*Grid.CELL_SIZE+Grid.CELL_SIZE*10)==body.get(i).y*Grid.CELL_SIZE+1*Grid.CELL_SIZE)&& 91 (this.getHead().x>(body.get(i).x-Grid.CELL_SIZE*10))&& 92 (this.getHead().x<body.get(i).x+Grid.CELL_SIZE*10))|| 93 (((this.getHead().y*Grid.CELL_SIZE)==body.get(i).y*Grid.CELL_SIZE+9*Grid.CELL_SIZE)&& 94 (this.getHead().x>(body.get(i).x-Grid.CELL_SIZE*10))&& 95 (this.getHead().x<body.get(i).x+Grid.CELL_SIZE*10))){ 96 return true; 97 }} 98 return false; 99 } 100 public boolean foodcatchsnakebody(Food food){ 101 for(int i=10;i<body.size();i++) 102 { 103 if(((food.x*Grid.CELL_SIZE+10*Grid.CELL_SIZE>body.get(i).x*Grid.CELL_SIZE) 104 &&(food.x*Grid.CELL_SIZE<(body.get(i).x*Grid.CELL_SIZE+Grid.CELL_SIZE*10)))&& 105 ((food.y*Grid.CELL_SIZE+10*Grid.CELL_SIZE>body.get(i).y*Grid.CELL_SIZE)&& 106 (food.y*Grid.CELL_SIZE<(body.get(i).y*Grid.CELL_SIZE+Grid.CELL_SIZE*10)))) 107 108 return true; 109 } 110 return false; 111 } 112 public void drawMe(Graphics g){ 113 g.setColor(Color.WHITE); 114 for(Point i:body){ 115 g.fill3DRect(i.x*Grid.CELL_SIZE,i.y*Grid.CELL_SIZE,Grid.CELL_SIZE*10,Grid.CELL_SIZE*10,true); 116 } 117 } 118 private class SnakeDriver implements Runnable{ 119 120 @Override 121 public void run() { 122 while(life){ 123 move(); 124 for(Snakelisten i:listener){ 125 i.move(Snake.this); 126 } 127 try{Thread.sleep(threadspeed);} 128 catch(InterruptedException e){ 129 e.printStackTrace(); 130 } 131 } 132 133 } 134 135 } 136 public void addListener(Snakelisten l){ 137 if(l!=null){ 138 this.listener.add(l); 139 } 140 } 141 public void start(){ 142 new Thread(new SnakeDriver()).start(); 143 } 144 145 public void die() { 146 life = false; 147 } 148 public void pause(){ 149 if(efil){ 150 efil = false; 151 efil1 = 1; 152 } 153 else{ 154 efil = true; 155 efil1 = 0; 156 } 157 } 158 159 public void acc() { 160 if(threadspeed>1)threadspeed--; 161 } 162 163 public void slow() { 164 if(threadspeed<19)threadspeed++; 165 } 166 }
6、Snakelisten.java
1 package mysnake; 2 3 public interface Snakelisten { 4 void move(Snake snake); 5 }
7、GamePanel.java
1 package view; 2 3 import java.awt.Color; 4 import java.awt.Graphics; 5 import javax.swing.JPanel; 6 import grid.Grid; 7 import mysnake.Food; 8 import mysnake.Ground; 9 import mysnake.Snake; 10 11 public class GamePanel extends JPanel{ 12 13 private Food food; 14 private Snake snake; 15 private Ground ground; 16 17 public void display(Snake snake,Food food,Ground ground){ 18 this.snake = snake; 19 this.food = food; 20 this.ground = ground; 21 this.repaint(); 22 } 23 24 @Override 25 protected void paintComponent(Graphics g) { 26 g.setColor(Color.BLACK); 27 g.fillRect(0,0,Grid.WIDTH*Grid.CELL_SIZE,Grid.HEIGHT*Grid.CELL_SIZE); 28 if(ground!=null&&snake!=null&&food!=null){ 29 this.snake.drawMe(g); 30 this.ground.drawMe(g); 31 this.food.drawMe(g); 32 } 33 } 34 35 }
8.Controller.java
1 package control; 2 3 import java.awt.Point; 4 import java.awt.event.KeyAdapter; 5 import java.awt.event.KeyEvent; 6 import java.util.Random; 7 import grid.Grid; 8 import mysnake.Food; 9 import mysnake.Ground; 10 import mysnake.Snake; 11 import mysnake.Snakelisten; 12 import view.GamePanel; 13 14 public class Controller extends KeyAdapter implements Snakelisten{ 15 16 private Snake snake; 17 private Food food; 18 private Ground ground; 19 private GamePanel gamepanel; 20 21 public Controller(Snake snake, Food food, Ground ground, GamePanel gamepanel) { 22 super(); 23 this.snake = snake; 24 this.food = food; 25 this.ground = ground; 26 this.gamepanel = gamepanel; 27 } 28 29 @Override 30 public void keyPressed(KeyEvent e) { 31 switch(e.getKeyCode()){ 32 case KeyEvent.VK_UP:snake.changeDirection(Snake.UP);break; 33 } 34 switch(e.getKeyCode()){ 35 case KeyEvent.VK_DOWN:snake.changeDirection(Snake.DOWN);break; 36 } 37 switch(e.getKeyCode()){ 38 case KeyEvent.VK_LEFT:snake.changeDirection(Snake.LEFT);break; 39 } 40 switch(e.getKeyCode()){ 41 case KeyEvent.VK_RIGHT:snake.changeDirection(Snake.RIGHT);break; 42 } 43 switch(e.getKeyCode()){ 44 case KeyEvent.VK_SPACE:snake.pause();break; 45 } 46 switch(e.getKeyCode()){ 47 case KeyEvent.VK_X:snake.acc();break; 48 } 49 switch(e.getKeyCode()){ 50 case KeyEvent.VK_Z:snake.slow();break; 51 } 52 53 } 54 55 @Override 56 public void move(Snake snake) { 57 gamepanel.display(snake, food, ground); 58 if(food.isSnakeEatFood(snake)){ 59 snake.eatFood(); 60 food.newFood(getPoint()); 61 } 62 if(ground.isSnakeEatRock(snake)){ 63 snake.die(); 64 try { 65 Thread.sleep(1000); 66 } catch (InterruptedException e) { 67 e.printStackTrace(); 68 } 69 System.exit(0); 70 } 71 if(ground.catchfood(food)){ 72 food.newFood(getPoint()); 73 } 74 if(snake.isEatBody()){ 75 snake.die(); 76 try { 77 Thread.sleep(1000); 78 } catch (InterruptedException e) { 79 e.printStackTrace(); 80 } 81 System.exit(0); 82 } 83 if(snake.foodcatchsnakebody(food)){ 84 food.newFood(getPoint()); 85 } 86 } 87 88 public void newGame(){ 89 snake.start(); 90 food.newFood(getPoint()); 91 } 92 93 public Point getPoint(){ 94 Random random = new Random(); 95 int x = random.nextInt(Grid.WIDTH); 96 int y = random.nextInt(Grid.HEIGHT); 97 if(x<0){x=Grid.WIDTH-1;} 98 if((x+10)>Grid.WIDTH){x=0;} 99 if(y<0){y=Grid.HEIGHT-1;} 100 if(y+10>Grid.HEIGHT){y=0;} 101 return new Point(x,y); 102 } 103 }
