gamepanel.java

java编写的贪吃蛇的源代码,myeclipse平台实现

package com.nilaiya.snake.view;

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

import javax.swing.JPanel;

import com.nilaiya.snake.entities.Food;
import com.nilaiya.snake.entities.Ground;
import com.nilaiya.snake.entities.Snake;
import com.nilaiya.snake.util.Global;

/**
 * @author yellow
 * 
 */
public class GamePanel extends JPanel {

	private static final long serialVersionUID = 1L;

	// 定义对象
	private Snake snake;

	private Food food;

	private Ground ground;

	/**
	 * GamePanel的显示方法
	 * 
	 * @param snake
	 * @param food
	 * @param ground
	 */
	public void display(Snake snake, Food food, Ground ground) {
		System.out.println("GamePanel 显示了");
		this.snake = snake;
		this.food = food;
		this.ground = ground;

		this.repaint();// 这个方法调用paintComponent()方法重新显示
	}

	/**
	 * 重新显示的方法
	 */
	@Override
	protected void paintComponent(Graphics g) {
		// 重新显示
		g.setColor(new Color(0xcfcfcf));
		g.fillRect(0, 0, Global.WIDTH * Global.CELL_SIZE, Global.HEIGHT
				* Global.CELL_SIZE);
		if (snake != null && ground != null && food != null) {
			this.snake.drawMe(g);
			this.food.drawMe(g);
			this.ground.drawMe(g);
		}
	}
}