JavaScript to implement the web version of Gobang game
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This article shares the specific code for JavaScript to implement the web version of Gobang game for your reference. The specific content is as follows On the third day of learning js, I completed a Gobang game with the teacher to record my learning results. I welcome the experts to share experiences and give me criticisms. This program is mainly implemented in three parts: 1. Chessboard drawing <!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;
//Draw the chessboard;
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();
//Mouse interaction;
$("#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();
}
//Realize win or lose judgment 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>
The above is the full content of this article. I hope it will be helpful for everyone’s study. I also hope that everyone will support 123WORDPRESS.COM. You may also be interested in:
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