贪吃蛇Controller Java实现(二)

package cn.tcc.snake.Controller;

import java.awt.Point;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.Random;



import cn.tcc.snake.antition.Food;
import cn.tcc.snake.antition.Ground;
import cn.tcc.snake.antition.Sanke;
import cn.tcc.snake.listener.SnakeListener;
import cn.tcc.snake.tcc.View.GamePanel;
//处理用户按键事件有两种方法;
//1.实现一个接口;
//2.继承一个类 //只用到它的一个方法;
import cn.tcc.snake.util.Global;

public class Controller extends KeyAdapter implements SnakeListener{
     @Override
    public void SnakeMoved(Sanke snake) {
        // TODO Auto-generated method stub
         if(food.isSnakeEatFood(snake)){
             snake.eatFood();
             food.newFood(ground.getpoint());
         }
         if(ground.isSnakeEatRock(snake)){
             snake.die();
         }
         if(snake.isEatBody()){
             snake.die();
         }
        gamePanel.display(snake, food, ground);
    }
    private Sanke snake;
     private Food food;
     private Ground ground;
     private GamePanel gamePanel;
    public Controller(Sanke snake, Food food, Ground ground, GamePanel gamePanel) {
        super();
        this.snake = snake;
        this.food = food;
        this.ground = ground;
        this.gamePanel = gamePanel;
    }
    @Override
    public void keyPressed(KeyEvent e) {
         switch (e.getKeyCode()) {
        case KeyEvent.VK_UP:
         snake.changDirection(snake.UP);
            break;
        case KeyEvent.VK_DOWN:
        snake.changDirection(snake.DOWN);
        break;
        case KeyEvent.VK_LEFT:
        snake.changDirection(snake.LEFT);
        break;
        case KeyEvent.VK_RIGHT:
        snake.changDirection(snake.RIGHT);
        break;

        default:
            break;
        }
    }

public void newGame(){
    food.newFood(ground.getpoint());
    snake.start();
}
}