生命游戏

package 经典;

public class LifeGame {
    
    private boolean[][] map;
    private boolean[][] newMap;
    
    public LifeGame(int row,int col){
        map=new boolean[row][col];
        newMap=new boolean[row][col];
        
        for(int i=0; i<row; i++)
            for(int j=0; j<col; j++)
                map[i][j]=true;
    }
    public void setCell(int x, int y) {
        map[x][y] = true;
    }
    
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        LifeGame lifeGame=new LifeGame(10, 25);
        int n=0;
        while(n<1000)
        {
            lifeGame.next();
            lifeGame.outputMap();
            n++;
        }
    }
    
    public void next(){
        
        for(int row=0; row<map.length; row++)
        {
            for(int col=0; col<map[row].length; col++)
            {
                switch(neighbor(row,col))
                {
                    case 0:
                    case 1:
                    case 4:
                    case 5:
                    case 6:
                    case 7:
                    case 8:
                        newMap[row][col]=false;
                        break;
                    case 2:
                        newMap[row][col]=map[row][col];
                        break;
                    case 3:
                        newMap[row][col]=true;
                        break;
                }
            }
        }
        colyMap();
    }

    private int neighbor(int row, int col) {
        // TODO Auto-generated method stub
        int count=0;
        for(int i=row-1; i<=row+1; i++)
        {
            for(int j=col-1; j<=col+1; j++)
            {
                if( i<0 || i>=map.length || j<0 || j>=map[i].length-1)
                    continue;
                if(map[i][j]==true)
                    count++;
            }
        }
        if(map[row][col]==true)
            count--;
        return count;
    }

    private void colyMap() {
        // TODO Auto-generated method stub
        for(int row=0; row<map.length; row++)
        {
            for(int col=0; col<map[row].length; col++)
            {
                map[row][col]=newMap[row][col];
            }
        }
    }
    
    public void outputMap() { 
        System.out.println("\n\nGame of life cell status"); 
        for(int row = 0; row < map.length; row++) { 
            System.out.print("\n "); 
           for(int col = 0; col < map[0].length; col++) 
              if(map[row][col] == true) 
                  System.out.print(‘#‘); 
              else 
                  System.out.print(‘-‘); 
        } 
    }

}