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分享一个用h5制作的网页版扫雷游戏实例代码

程序员文章站 2022-03-10 18:42:14
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闲的没事 写个扫雷, 算法 不太好·····凑合,还真的不错,可以看一下
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>扫雷</title>
</head>
<body>
    <script>
        function Set(r,c,hard){
            var data = new Array();
            for(var i=0;i<r;i++){data[i]=new Array(c);}
            for (var i = 0; i < r*c; i++)
            {
                var ran=Math.floor(Math.random()*100);
                data[Math.floor(i / c)][i % c] =ran<hard?1:0;    
            }
            return data;
        }
        
        function GetNewData(data,r,c){
            var newdata = new Array();
            for(var i=0;i<r;i++){newdata[i]=new Array(c);}
            for (var i = 0; i < r * c; i++)
            {
                if (data[Math.floor(i / c)][i % c] == 1)
                {
                    newdata[Math.floor(i / c)][i % c] = 9;
                }
                else
                {
                    var d = 0;
                    for (var j = 0; j < 9; j++)
                    {
                        if (Math.floor(i / c) + (Math.floor(j / 3) - 1)>=0 && i % c + (j % 3 - 1) >= 0 &&
                            Math.floor(i / c) + (Math.floor(j / 3) - 1) < r && i % c + (j % 3 - 1) < c &&
                            data[Math.floor(i / c) + Math.floor(j / 3 - 1)][i % c + (j % 3 - 1)] == 1)
                        {
                            d++;
                        }
                    }
                    newdata[Math.floor(i / c)][i % c] = d;
                }
            }
            return newdata;
        }
        function GetRegion(rr,cc,data,list){
            if (data[rr][cc]!=0)
            {
                return;
            }
            else
            {
                for (var j = 0; j < 9; j++)
                {
                    if (rr+ (Math.floor(j / 3) - 1)>=0 && cc + (j % 3 - 1) >= 0 &&
                        rr + (Math.floor(j / 3) - 1) < r && cc + (j % 3 - 1) < c &&
                        data[rr+ Math.floor(j / 3 - 1)][cc+ (j % 3 - 1)] == 0)
                    {
                        var pr=rr+ Math.floor(j / 3 - 1);
                        var pc=cc+ (j % 3 - 1);
                        console.log(pr,pc);
                        if(contains(list,{r:pr,c:pc}))continue;
                        list.push({r:pr,c:pc});
                        GetRegion(pr,pc,data,list);
                    }
                }
                return; 
            }
        }
    </script>
    <!--<iframe frameborder="no" border="0" marginwidth="0" marginheight="0" width=330 height=86 src="//music.163.com/outchain/player?type=2&id=22654542&auto=1&height=66"></iframe>-->
    <h2>扫雷游戏</h2>
    <!--<audio src="http://music.163.com/style/swf/widget.swf?sid=26569168" controls="controls"></audio>-->
    <p>难度:
        <select NAME="Difficulty" onchange="load(this.value)" id="Difficulty">
        <option value></option>
        <option value="1" selected="selected">初9*9</option>
        <option value="2" >中16*16</option>
        <option value="3">高30*16</option>
        </select>
        <button onclick="timedCount()">开始</button>
        <button onclick="stop()">停止</button>
        <button onclick="reload()">重置</button>
        <button onclick="Drawall()">显示所有</button>
        <input type="text" readonly="readonly" id="time">
    </p>
    <p>
        <canvas id="myCanvas" oncontextmenu=self.event.returnvalue=false width="180" height="180" style="border:1px solid #000000;background:lightgray;"></canvas>
    </p>
    <script>
        var r=9;//99 1616 3016
        var c=9;
        var difficulty=15
        var tempdata;
        var minedata;
        var signdata = new Array();
        var checkSigndata=new Array
        document.write("<br/>");
        var Difficulty=document.getElementById("Difficulty");
        Difficulty.options[1].selected = true;  
        
        var canvas=document.getElementById("myCanvas");
        canvas.addEventListener("mousedown", doMouseDown, false); 
        canvas.oncontextmenu=function(){return false;}
        load(1);
        redraw();
        //test();
        
        //Drawall();
        var t;
        var tick=0;
        function timedCount(){
            document.getElementById('time').value=tick
            tick=tick+1
            t=setTimeout("timedCount()",1000)
        }
        function stop(){
            if(t!=null)clearTimeout(t);
            tick=0;
        }
        function loadsigndata(){
            for(var i=0;i<r;i++){signdata[i]=new Array(c);}
            for(var i=0;i<r;i++){checkSigndata[i]=new Array(c);    }
            for (var i = 0; i < r*c; i++)
            {
                switch(minedata[Math.floor(i / c)][i % c])
                {
                    case 9:checkSigndata[Math.floor(i / c)][i % c]=2;
                        break;
                    case 0:checkSigndata[Math.floor(i / c)][i % c]=3;
                        break;
                    default:checkSigndata[Math.floor(i / c)][i % c]=1;
                        break;
                }
            }
            
        }
        function test(){
            for (var i = 0; i < r*c; i++)
            {
                document.write(minedata[Math.floor(i / c)][i % c]+"&nbsp");
                if(i%c==c-1)document.write("<br/>");
            }
        }
        function load(v){
            switch(parseInt(v))
            {
                case 1:
                    r=9;
                    c=9;
                    break;
                case 2:
                    r=16;
                    c=16;
                    break;
                case 3:
                    r=30;
                    c=16;
                    break;
            }
            reload();
            //Drawall();
        }
        function reload(){
            redraw();
            tempdata=Set(r,c,difficulty);
            minedata=GetNewData(tempdata,r,c);
            loadsigndata();
        }
        function redraw(){
            canvas.setAttribute('width',c*30);
            canvas.setAttribute('height',r*30);
            var ctx=canvas.getContext("2d");
            for(var i=0;i<r+1;i++)
            {
                ctx.moveTo(0,i*30);
                ctx.lineTo(c*30,i*30);
                ctx.stroke();        
            }
            for(var i=0;i<c+1;i++)
            {
                ctx.moveTo(i*30,0);
                ctx.lineTo(i*30,r*30);
                ctx.stroke();        
            }
            
        }
        function contains(arr, obj) {  
            var i = arr.length;  
            while (i--) {  
                if (arr[i].r==obj.r&&arr[i].c==obj.c) {  
                    return true;  
                }  
            }  
            return false;  
        }
        var plist=new Array();
        function doMouseDown(event){
            var btnNum = event.button;
            var x = event.pageX;
            var y = event.pageY;
            var loc = getPointOnCanvas(canvas, x, y);
            var xx=Math.floor(loc.x/30);
            var yy=Math.floor(loc.y/30);
            if(signdata[yy]!=null&&signdata[yy][xx]!=null&&(signdata[yy][xx]==3||signdata[yy][xx]==1))return;
            if (btnNum==0)
            {
                drawCell(xx,yy);
                plist.splice(0,plist.length);
                GetRegion(yy,xx,minedata,plist);
                for(var l=0;l<plist.length;l++){drawCell(plist[l].c,plist[l].r);}
            }
            else if(btnNum==2)
            {
                drawCellr(xx,yy);
            }
            if(check())alert("成功:"+tick);
        }
        function check(){
            for (var i = 0; i < r*c; i++)
            {
                if(checkSigndata[Math.floor(i / c)][i % c]!=signdata[Math.floor(i / c)][i % c])
                {
                    return false;
                }
            }
            return true;
        }
        function drawCell(xx,yy){
            var ctx = canvas.getContext("2d");
            ctx.textAlign = "start";
            ctx.fillStyle = "red";
            ctx.font = "30px Arial";
            if(signdata[yy][xx]!=null && signdata[yy][xx]==    2)
            {
                ctx.fillStyle = "lightgray";
                ctx.fillRect(xx*30,yy*30,29,29);
            }
            ctx.fillStyle = "red";
            if(minedata[yy][xx]==9){
                //ctx.fillText("×",xx*30,(yy+1)*30);
                alert("失败");
                Drawall();
                //signdata[yy][xx]=2;
            }
            else if(minedata[yy][xx]==0){
                //ctx.fillText("0",xx*30,(yy+1)*30);
                ctx.fillStyle = "green";
                ctx.fillRect(xx*30,yy*30,29,29);
                signdata[yy][xx]=3;
            }
            else{
                ctx.fillText(minedata[yy][xx].toString(),xx*30,(yy+1)*30);
                signdata[yy][xx]=1;
            }
        }
        function drawCellr(xx,yy){
            var ctx = canvas.getContext("2d");
            ctx.textAlign = "start";
            ctx.fillStyle = "red";
            ctx.font = "30px Arial";
            if(signdata[yy][xx]==0||signdata[yy][xx]==null)
            {
                ctx.fillText("√",xx*30,(yy+1)*30);
                signdata[yy][xx]=2;
            }
            else
            {
                ctx.fillStyle = "lightgray";
                ctx.fillRect(xx*30,yy*30,29,29);
                //ctx.fillText("√",xx*30,(yy+1)*30);
                signdata[yy][xx]=0;
            }
            ctx.stroke();
            
        }
        function getPointOnCanvas(canvas, x, y) {  
            var bbox = canvas.getBoundingClientRect();  
            return { x: x - bbox.left * (canvas.width  / bbox.width),  
                    y: y - bbox.top  * (canvas.height / bbox.height)  
                    };  
        } 
        function Drawall(){
            redraw();
            var ctx = canvas.getContext("2d");
            ctx.textAlign = "start";
            ctx.fillStyle = "red";
            ctx.font = "30px Arial";
            for(var i=0;i<r*c;i++)
            {
                var x=i%c*30;
                var y=(Math.floor(i/c)+1)*30;
                if(minedata[Math.floor(i/c)][i%c]==9){ctx.fillText("×",x,y);}
                else if(minedata[Math.floor(i/c)][i%c]==0){ctx.fillText("0",x,y);}
                else{ctx.fillText(minedata[Math.floor(i/c)][i%c].toString(),x,y);}
            
            }
        }
    </script>
</body>

</html>

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相关标签: h5,游戏,实例