贪吃蛇GamePanel Java实现(二)

package cn.tcc.snake.tcc.View;

import java.awt.Color;
import java.awt.Graphics;

import javax.swing.JPanel;

import cn.tcc.snake.antition.Food;
import cn.tcc.snake.antition.Ground;
import cn.tcc.snake.antition.Sanke;
import cn.tcc.snake.util.Global;

public class GamePanel extends JPanel{
    private Sanke snake;
    private Food food;
    private Ground ground;
    //保存这三个对象的引用;
@Override
    protected void paintComponent(Graphics g) {
        // TODO Auto-generated method stub
        //重新显示
    g.setColor(new Color(0xcfcfcf));
    g.fillRect(0, 0, Global.WIDTH*Global.CELL_SIZE, Global.HEIGHT*Global.CELL_SIZE);
    if(ground !=null && snake != null && food != null){
    this.snake.drawMe(g);
    this.food.drawMe(g);
    this.ground.drawMe(g);
    }
    }

public void display(Sanke snake,Food food,Ground ground){
    System.out.println("GamePanel");
    this.snake= snake;
    this.food=food;
    this.ground=ground;
    this.repaint();
}
}