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用javascript设计五子棋（JavaScript实现网页版五子棋游戏）

更多 时间：2021-10-07 00:32:24 类别：编程学习 浏览量：1932

用javascript设计五子棋

JavaScript实现网页版五子棋游戏

本文实例为大家分享了JavaScript实现网页版五子棋游戏的具体代码，供大家参考，具体内容如下

学习js的第三天，跟着老师完成的五子棋小游戏，记录学习成果欢迎大佬们一起分享经验，批评指正。

本程序主要通过三部分实现：

1.棋盘绘制
2.鼠标交互
3.输赢判断

  • <!DOCTYPE html>
<html>
<head>
  <title>
    canvastest
    </title>
</head>
<body>
     <h1> canvas</h1>
     <canvas id="canvas"width="400"height="400">
     </canvas>

     <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.js"></script>

  <script>
   var canv=document.getElementById("canvas");
   var ctx=canv.getContext("2d");
   ctx.strokeStyle="black";
   var bow=0;

//画出棋盘；
var matrix=[

  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
  [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
                                              ];

ctx.beginPath();

for(var i=0;i<19;i++){

       ctx.moveTo(10+20*i,10);
       ctx.lineTo(10+i*20,370);
       ctx.moveTo(10,20*i+10);
       ctx.lineTo(370,i*20+10);

}
 ctx.stroke();
 
 //鼠标交互；
  $("#canvas").click(function(event)
      {
      console.log(event.offsetX)


      console.log(bow);
      var arcPosX,arcPosY;
     var mtxPosX,mtxPosY;
      for(var x=0;x<19;x++)
      {
      if((Math.abs(event.offsetX-(10+x*20)))<10)
        {
       arcPosX=10+x*20;
       mtxPosX=x;
        }
      if((Math.abs(event.offsetY-(10+x*20)))<10)
         {
        arcPosY=10+x*20;
        mtxPosY=x;
          }
      }

      if(matrix[mtxPosX][mtxPosY] == 0)
      {
      bow=!bow;
      ctx.beginPath();
      if(bow){

      ctx.fillStyle="Black";
      ctx.arc(arcPosX,arcPosY,10,0,Math.PI*2,false);
      matrix[mtxPosX][mtxPosY]=1;
      }
      else{
      ctx.fillStyle="White";
      ctx.arc(arcPosX,arcPosY,10,0,Math.PI*2,false);
      ctx.stroke();
      matrix[mtxPosX][mtxPosY]=2;
      }
      ctx.fill();
      }
      //实现输赢判断
      var winFlag=0;
if(winFlag==0){
if(matrix[mtxPosX-1][mtxPosY] == matrix[mtxPosX][mtxPosY])
              {
               if(matrix[mtxPosX-2][mtxPosY] == matrix[mtxPosX][mtxPosY])
               {
                if(matrix[mtxPosX-3][mtxPosY] == matrix[mtxPosX][mtxPosY])
                {
                 if(matrix[mtxPosX-4][mtxPosY] == matrix[mtxPosX][mtxPosY])
                 {
                  winFlag = 1;
                 }
                 else
                 {
                  if(matrix[mtxPosX+1][mtxPosY] == matrix[mtxPosX][mtxPosY])
                  {
                   winFlag = 1;
                  }
                  else
                  {
                   winFlag = 0;
                  }
                 }
                }
                else
                {
                 for(var w = 0; w < 2 ; w ++)
                 {
                  if(matrix[mtxPosX+w+1][mtxPosY] != matrix[mtxPosX][mtxPosY])
                  {
                   winFlag = 0;
                   break;
                  }
                  else
                  {
                   winFlag = 1;
                  }
                 }
                }
               }
               else
               {
                for(var w = 0; w < 3 ; w ++)
                {
                 if(matrix[mtxPosX+w+1][mtxPosY] != matrix[mtxPosX][mtxPosY])
                 {
                  winFlag = 0;
                  break;
                 }
                 else
                 {
                  winFlag = 1;
                 }
                }
               }
              }
              else
              {
               for(var w = 0; w < 4 ; w ++)
               {
                if(matrix[mtxPosX+w+1][mtxPosY] != matrix[mtxPosX][mtxPosY])
                {
                 winFlag = 0;
                 break;
                }
                else
                {
                 winFlag = 1;
                }
               }
              }

if(matrix[mtxPosX][mtxPosY-1] == matrix[mtxPosX][mtxPosY])
              {
               if(matrix[mtxPosX][mtxPosY-2] == matrix[mtxPosX][mtxPosY])
               {
                if(matrix[mtxPosX][mtxPosY-3] == matrix[mtxPosX][mtxPosY])
                {
                 if(matrix[mtxPosX][mtxPosY-4] == matrix[mtxPosX][mtxPosY])
                 {
                  winFlag = 1;
                 }
                 else
                 {
                  if(matrix[mtxPosX][mtxPosY+1] == matrix[mtxPosX][mtxPosY])
                  {
                   winFlag = 1;
                  }
                  else
                  {
                   winFlag = 0;
                  }
                 }
                }
                else
                {
                 for(var w = 0; w < 2 ; w ++)
                 {
                  if(matrix[mtxPosX][mtxPosY+w+1] != matrix[mtxPosX][mtxPosY])
                  {
                   winFlag = 0;
                   break;
                  }
                  else
                  {
                   winFlag = 1;
                  }
                 }
                }
               }
               else
               {
                for(var w = 0; w < 3 ; w ++)
                {
                 if(matrix[mtxPosX][mtxPosY+w+1] != matrix[mtxPosX][mtxPosY])
                 {
                  winFlag = 0;
                  break;
                 }
                 else
                 {
                  winFlag = 1;
                 }
                }
               }
                         }
              else
              {
               for(var w = 0; w < 4 ; w ++)
               {
                if(matrix[mtxPosX][mtxPosY+w+1] != matrix[mtxPosX][mtxPosY])
                {
                 winFlag = 0;
                 break;
                }
                else
                {
                 winFlag = 1;
                }
               }
              }

  if(matrix[mtxPosX-1][mtxPosY-1] == matrix[mtxPosX][mtxPosY])
                {
                 if(matrix[mtxPosX-2][mtxPosY-2] == matrix[mtxPosX][mtxPosY])
                 {
                  if(matrix[mtxPosX-3][mtxPosY-3] == matrix[mtxPosX][mtxPosY])
                  {
                   if(matrix[mtxPosX-4][mtxPosY-4] == matrix[mtxPosX][mtxPosY])
                   {
                    winFlag = 1;
                   }
                   else
                   {
                    if(matrix[mtxPosX+1][mtxPosY+1] == matrix[mtxPosX][mtxPosY])
                    {
                     winFlag = 1;
                    }
                    else
                    {
                     winFlag = 0;
                    }
                   }
                  }
                  else
                  {
                   for(var w = 0; w < 2 ; w ++)
                   {
                    if(matrix[mtxPosX+w+1][mtxPosY+w+1] != matrix[mtxPosX][mtxPosY])
                    {
                     winFlag = 0;
                     break;
                    }
                    else
                    {
                     winFlag = 1;
                    }
                   }
                  }
                 }
                 else
                 {
                  for(var w = 0; w < 3 ; w ++)
                  {
                   if(matrix[mtxPosX+w+1][mtxPosY+w+1] != matrix[mtxPosX][mtxPosY])
                   {
                    winFlag = 0;
                    break;
                   }
                   else
                   {
                    winFlag = 1;
                   }
                  }
                 }
                }
                else
                {
                 for(var w = 0; w < 4 ; w ++)
                 {
                  if(matrix[mtxPosX+w+1][mtxPosY+w+1] != matrix[mtxPosX][mtxPosY])
                  {
                   winFlag = 0;
                   break;
                  }
                  else
                  {
                   winFlag = 1;
                  }
                 }
              }

   if(matrix[mtxPosX-1][mtxPosY+1] == matrix[mtxPosX][mtxPosY])
              {
               if(matrix[mtxPosX-2][mtxPosY+2] == matrix[mtxPosX][mtxPosY])
               {
                if(matrix[mtxPosX-3][mtxPosY+3] == matrix[mtxPosX][mtxPosY])
                {
                 if(matrix[mtxPosX-4][mtxPosY+4] == matrix[mtxPosX][mtxPosY])
                 {
                  winFlag = 1;
                 }
                 else
                 {
                  if(matrix[mtxPosX+1][mtxPosY-1] != matrix[mtxPosX][mtxPosY])
                  {
                   winFlag = 0;
                  }
                  else
                  {
                   winFlag = 1;
                  }
                 }
                }
                else
                {
                 for(var w = 0; w < 2 ; w ++)
                 {
                  if(matrix[mtxPosX+w+1][mtxPosY-w-1] != matrix[mtxPosX][mtxPosY])
                  {
                   winFlag = 0;
                   break;
                  }
                  else
                  {
                   winFlag = 1;
                  }
                 }
                }
               }
               else
               {
                for(var w = 0; w < 3 ; w ++)
                {
                 if(matrix[mtxPosX+w+1][mtxPosY-w-1] != matrix[mtxPosX][mtxPosY])
                 {
                  winFlag = 0;
                  break;
                 }
                 else
                 {
                  winFlag = 1;
                 }
                }
               }
              }
              else
              {
               for(var w = 0; w < 4 ; w ++)
               {
                if(matrix[mtxPosX+w+1][mtxPosY-w-1] != matrix[mtxPosX][mtxPosY])
                {
                 winFlag = 0;
                 break;
                }
                else
                {
                 winFlag = 1;
                }
               }
              }
    }
              if(winFlag ==1){
         if(bow)
         alert("black win!");
         else
                         alert("white win!");
              }
      });

  </script>
</body>
</html>

    • 用javascript设计五子棋（JavaScript实现网页版五子棋游戏）

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