java贪吃蛇三

来源：互联网发布：程序员的数学怎么样编辑：程序博客网时间：2024/05/14 04:29

一：贪吃蛇细节实现----数据对象实现

1，GameDto.class数据对象实现二维数组map，分数，等级，snake对象，Food对象，线程开始暂停状态标志位start

package com.fupeng.dto;import com.fupeng.entity.Food;import com.fupeng.snake.Snake;import com.fupeng.ui.JPanelGame;public class GameDto {private  boolean[][] gameMap;public static  int score = 0;public static int level = 0;public   JPanelGame jPanelGame = new JPanelGame();private Snake snake;private boolean start;private Food foodEntity;public GameDto() {gameMap=new boolean[30][20];snake = new Snake(this);}public void setSnake(Snake snake) {this.snake = snake;}public Snake getSnake() {return snake;}public boolean[][] getGameMap() {return gameMap;}public boolean isStart() {return start;}public void setStart(boolean start) {this.start = start;}public Food getFoodEntity() {return foodEntity;}public void setFoodEntity(Food foodEntity) {this.foodEntity = foodEntity;}}

boolean型二维数组map作为游戏区背景，存放snake对象和食物方块对象。

score变量存放游戏分数。

level变量存放游戏等级。

start变量作为标志位，玩家控制线程循环检查该标志位，当开始或者暂停时间触发时，改变标志位，做出相应的响应。

2，Snake.class对象

该对象初始化snake对象，snake的结构使用linkedList实现，链表中存放的是Entity对象。链表实现是为了便于吃食物的时候增加节点，移动的时候删除节点。

snake初始化状态为3个长度，随机出现在map（1<x<16）上。

package com.fupeng.snake;import java.util.LinkedList;import java.util.Random;import com.fupeng.dto.GameDto;import com.fupeng.entity.Entity;public class Snake {public  static Random random = new Random();private  LinkedList<Entity> snake ;private GameDto gameDto;public Snake(GameDto gameDto){this.gameDto=gameDto;snake = new LinkedList<Entity>();snakeHead();}/* * 初始化状态蛇头包括三个实体，且出现位置为1<x<16 */private void snakeHead(){int y=random.nextInt(gameDto.getGameMap()[0].length-1);//0-19int x=random.nextInt(gameDto.getGameMap().length-15);//0-29for(int i=0;i<3;i++){Entity head = new Entity();int [] position = {x+2-i,y};head.setPosition(position);snake.add(head);}}public   LinkedList<Entity> getSnakeList() {return snake;}}

3，Food.class

Food实现Runable接口实现多线程。一个Food小方块就是一个Entity对象。在run方法中随机生成食物小方块的坐标，并放入到map地图上

timeFx()函数实现小方块出现时间的控制

package com.fupeng.entity;import java.awt.Component;import com.fupeng.dto.GameDto;import com.fupeng.snake.Snake;public class Food extends Component implements Runnable{private static final long serialVersionUID = 1L;private GameDto gameDto;public Food(GameDto gameDto) {super();this.gameDto=gameDto;}@Overridepublic void run() {while(true){int y=Snake.random.nextInt(gameDto.getGameMap()[0].length);//0-19int x=Snake.random.nextInt(gameDto.getGameMap().length);//0-29if(this.gameDto.isStart()){try {if(gameDto.getGameMap()[x][y])continue;gameDto.getGameMap()[x][y]=true;gameDto.jPanelGame.repaint();gameDto.jPanelGame.setVisible(true);//修改小方块出现的时间time，出现时间跟level相关 time=f(level)Thread.sleep(timeFx(this.gameDto.level));} catch (InterruptedException e) {e.printStackTrace();}}}}/* * 小方块出现时间计算函数 * y=-40x+940  x<=20 * 100x>20 */private long timeFx(int level) {if(level<=20)return -40*level+940;elsereturn 100;}}

4，Entity.class小方块的实体类

小方块实体类，类成员变量包含一个int数组存放在map中的坐标位置，并重写equals方法

Food和snake链表中存放的是Entity对象。

package com.fupeng.entity;import java.awt.Image;import javax.swing.ImageIcon;public class Entity {public  static final Image ENTITY = new ImageIcon("image/rect.png").getImage();public static final int DIMENSION = ENTITY.getHeight(null);private  int[] position = new int[2];public int[] getPosition() {return position;}public void setPosition(int[] position) {this.position = position;}@Overridepublic boolean equals(Object obj) {if(this == obj)return true;if (obj instanceof Entity) {Entity objEntity = (Entity) obj;if(this.position[0] == objEntity.position[0] && this.position[1] == objEntity.position[1])return true;}return false;}}

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