细胞生命游戏

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细胞生命游戏

简介：
“人口过少”：任何活细胞如果活邻居少于2个，则死掉。
“正常”：任何活细胞如果活邻居为2个或3个，则继续活。
“人口过多”：任何活细胞如果活邻居大于3个，则死掉。
“繁殖”：任何死细胞如果活邻居正好是3个，则活过来。
这里假设领域为3*3的大小

利用java实现,三个类

Main.java

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package life_game3;
import javax.swing.*;

public class Main {
	public static void main(String []args) {
	    Paint ptPaint = new Paint();
	}
}

Logic.java

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public class Logic {
	public static final int ROWS = 10;
	public static final int COLS = 10;
	public static final int WIDTH = 40;
	public static final int HIGHT = 40;

	private int map[][] = new int[][] {
		{1,1,1,1,1,1,1,1,1,1},
		{0,0,0,0,0,0,0,0,0,0},
		{1,1,1,1,1,1,1,1,1,1},
		{0,1,0,0,1,1,0,1,0,1},
		{0,0,1,1,0,0,0,1,0,0},
		{0,0,1,1,0,0,1,0,1,0},
		{0,1,0,0,1,1,0,0,0,1},
		{1,0,0,0,0,0,0,0,0,0},
		{0,0,0,0,0,0,0,0,0,0},
		{1,1,1,1,1,1,1,1,1,1},
	};

	public Logic() {
		 ;
	}

	public  int[][] newmap(int [][] map){
		// copy new 2d array
		int [][] map0 = new int [ROWS][COLS];
		for(int i=0;i<ROWS;i++) {
			map0[i] =map[i].clone();
		}

		//go through the map
		for(int i=0;i<ROWS;i++) {
			for(int j=0;j<COLS;j++) {
				int count =0;
				if(i-1>=0 && j-1>=0 && map[i-1][j-1]==1) {count++;}
				if(i-1>=0 && j>=0 && map[i-1][j]==1) {count++;}
				if(i-1>=0 && j+1<COLS && map[i-1][j+1]==1) {count++;}

				if(i>=0 && j-1>=0 && map[i][j-1]==1) {count++;}
				if(i>=0 && j+1<COLS && map[i][j+1]==1) {count++;}

				if(i+1<ROWS && j-1>=0 && map[i+1][j-1]==1) {count++;}
				if(i+1<ROWS && j>=0 && map[i+1][j]==1) {count++;}
				if(i+1<ROWS && j+1<COLS && map[i+1][j+1]==1) {count++;}

				if(! (count==2 || count==3)) {
					map0[i][j]=0;
				}
				if( count==3 ) {
					map0[i][j]=1;
				}


			}
		}
		return map0;

	}

	public int[][] getMap(){
		return map;
	}

	public void  updateMap(){
		this.map = newmap(map);
	}
}

Paint.java

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package life_game3;
import javax.swing.*;
import java.awt.*;

public class Paint  extends JPanel{
	Logic gamelogic = new Logic();
	int blank =0;

	public Paint() {
		JFrame frame = new JFrame("生命游戏");
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		frame.setBounds(800, 400, 420,445);

		 new Thread(new Runnable() {
			   public void run() {
			    while (true) {
			     try {
			      Thread.sleep(1000);
			     } catch (InterruptedException e) {
			    	 e.printStackTrace();
			     }
			     repaint();
			    }
			   }
			  }).start();
		frame.setResizable(false);
		frame.add(this);
		frame.setVisible(true);
	}
	 public void paint(Graphics g) {
		super.paint(g);
		int map[][] = gamelogic.getMap();
		gamelogic.updateMap();
	    g.setColor(Color.black);
	    for(int i=0;i<gamelogic.ROWS;i++) {
	    	for(int j=0;j<gamelogic.COLS;j++) {
	    		if(map[i][j]==1) {
	    			g.fillRect( j*gamelogic.WIDTH+blank,i*gamelogic.HIGHT, gamelogic.WIDTH, gamelogic.HIGHT);
	    		}
	    		else if(map[i][j]==0){
	    			g.drawRect(j*gamelogic.WIDTH+blank,i*gamelogic.HIGHT,  gamelogic.WIDTH, gamelogic.HIGHT);
	    		}
	    	}
	    }
	  }
}

遇到的一个小问题

JFrame挡住了界面
解决方法：不要直接在JFrame中画，在JPannel中画，然后将其添加到JFrame里面去。

参考文章:paint定时刷新