lifegame.js

function Sleep( T ){ 
   var d1 = new Date().getTime(); 
   var d2 = new Date().getTime(); 
   while( d2 < d1+1000*T ){    //T秒待つ 
       d2=new Date().getTime(); 
   } 
   return; 
}; 

var Cell = function(){
  this.currentState;
  this.nextState;
};

Cell.ALIVE = 1;
Cell.DEAD= 0;

Cell.prototype = {
  isAlive: function(){
    if(this.currentState == Cell.ALIVE){
      return true;
    }else{
      return false;
    }
  },
  getState: function(){
    return this.currentState;
  },
  setState: function(state){
    this.currentState = state;
  },
  setNextState: function(state){
    this.nextState = state;
  },
  update: function(){
    this.currentState = this.nextState;
  }
};

var CellGrid = function(x,y){
  this.width = x;
  this.height = y;
  this.grid = new Array();
  for(var i = 0;i < x;i++){
    this.grid.push(new Array());
    for(var j = 0;j < y;j++){
        this.grid[i].push(new Cell());
    }
  }
};

CellGrid.prototype = {
  load: function(stateArray){
    //サイズチェック入れたい
    for(var i = 0;i < this.width;i++){
      for(var j = 0;j < this.height;j++){
        this.grid[i][j].setState(stateArray[i][j]);
      }
    }
    console.log(this.toString());
  },
  toString: function(){
    var s = "";
    for(var i = 0;i < this.width;i++){
      for(var j = 0;j < this.height;j++){
        s += (this.grid[i][j].isAlive() ? "*" : " ") + " ";
      }
      s += "\n";
    }
    return s;
  },
  get: function(x,y){
    return this.grid[x][y];
  },
  prepareState: function(x,y,state){
    this.grid[x][y].setNextState(state);
  },
  scanAll: function(){
    for(var i = 0;i < this.width;i++){
      for(var j = 0;j < this.height;j++){
        var aliveAround = 0;
        if((i != 0) && (this.grid[i-1][j].isAlive())){
          //left
          aliveAround++;
        }
        if((j != 0) && (this.grid[i][j-1].isAlive())){
          //top
          aliveAround++;
        }
        if((i != (this.width-1)) && (this.grid[i+1][j].isAlive())){
          //Right
          aliveAround++;
        }
        if((j != (this.height-1)) && (this.grid[i][j+1].isAlive())){
          //Bottom
          aliveAround++;
        }
        if(this.grid[i][j].isAlive()){
          //維持されるかどうか
          if((aliveAround != 2) && (aliveAround != 3)){
            this.prepareState(i,j,Cell.DEAD);
          }
        }else{
          //生まれるルール
          if((aliveAround == 2) || (aliveAround == 3)){
            this.prepareState(i,j,Cell.ALIVE);
          }
        }
      }
    }
  },
  updateAll: function(){
    for(var i = 0;i < this.width;i++){
      for(var j = 0;j < this.height;j++){
        this.grid[i][j].update();
      }
    }
  },
 process: function(){
    this.scanAll();
    this.updateAll();
    console.log(this.toString());
  },
};


function gameStart(){
  var g  = new CellGrid(10,10);
  var state = [
    [0,0,1,1,0,0,0,0,1,1],
    [1,0,1,1,0,0,0,0,1,1],
    [1,0,1,1,1,1,1,0,1,1],
    [1,0,1,1,0,0,0,0,1,1],
    [1,0,1,1,0,1,1,0,1,1],
    [0,1,0,1,0,0,1,1,1,1],
    [0,0,0,1,0,0,0,0,1,1],
    [0,0,0,1,0,1,1,0,1,1],
    [0,0,1,1,0,0,0,0,1,1],
    [0,0,1,1,0,0,0,0,1,1]
  ];

  g.load(state);

  for(var i = 0;i < 10;i++){
    Sleep(1);
    g.process();
  }
}

//startボタン
$("#start").click(function(){
  gameStart();
});