利用Javascript+Css+Html制作一个小游戏

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说明：最近对游戏比较感兴趣，就想着能不能自己做一款游戏，于是就想了个简单易实现的小游戏来练练手，利用Web前端技术Javascript+Css+Html就可以实现的小游戏

实现效果图：image

打开webstorm新建一个项目

项目目录：image

接下来就直接贴源码吧

创建一个game.html

<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-type" content="text/html;charset=UTF-8" />
    <title>yxz的小游戏</title>
    <style type="text/css">
        /*画布位置的css*/
        #canvas {
            background:black;
            margin-top:4%;
            margin-left:20%;
            float: left;
        }
        /*按钮样式*/
        button{
            font-size: 25px;
            width: 60px;
            height: 60px;
            border: 5px #000000 solid;
            border-radius:30px;
            outline:none;
            cursor:pointer;
        }
        /*按钮距离样式*/
        .button{
            margin-top:4%;
            margin-left:5%;
            float: left;
        }
        #success{
            color: red;
        }
        .res{
            width:80px;
            height:32px;
            line-height:32px;
            font-size:16px;
            border-radius:25px;
            background-color: green;
            text-align: center;
            cursor:pointer;
        }
    </style>
</head>
<body>
<!--canvas画板与画板大小设定-->
<canvas id="canvas" width="420px" height="420px" ></canvas>

<div class="button">
    <!--操作按钮组-->
    <button style="background-color:#f17c67" onclick="change('#f17c67')"></button>
    <button style="background-color:#ECF752" onclick="change('#ECF752')"></button>
    <button style="background-color:#79E8D0" onclick="change('#79E8D0')"></button>
    <button style="background-color:#FFB8B8" onclick="change('#FFB8B8')"></button>
    <button style="background-color:#86E65A" onclick="change('#86E65A')"></button>
    <button style="background-color:#24D197" onclick="change('#24D197')"></button>

    <!--游戏规则与提示-->
    <div>
        <h3>游戏规则</h3>
        <p>一开始，左边会由6种不同颜色的小格子随机组成</p>
        <p>然后，您选择上面的颜色</p>
        <p>就可以改变与左上角小格子颜色相同并相邻的格子的颜色为您选择的颜色</p>
        <p>您需要在规定步数内将所有格子的颜色还原成一种颜色</p>
        <p>您当前的剩余步数：<span id="num"  style="font-size:70px;color: green">30</span></p>
        <h1 id="success" hidden>恭喜您，挑战成功</h1>
        <h1 id="fail" hidden>失败了！再接再励哦</h1>
        <div class="res" onclick="res()">重新开始</div>
    </div>
</div>
</body>
<script type="text/javascript" src="js/jquery-3.1.1.min.js"></script>
<script type="text/javascript" src="js/game.js"></script>
<script type="text/javascript" src="js/algorithm.js"></script>
<script type="text/javascript">
    var matrix=[[],[],[],[],[],[],[],[],[],[],[],[],[],[]];//记录刚初始化的颜色块数据
    var colors=["#f17c67","#ECF752","#79E8D0","#FFB8B8","#86E65A","#24D197"];//定义颜色块的6种颜色
    cache = {};
    var offsetX = 14,offsetY = 14;// 定义横纵方块数
    cache.context = dyl.createContext('canvas');
    var color="";
    var a=0,b=0,c=0,d=0,e=0,f=0;// 记录各种颜色块的总数
    for(var i=0; i<offsetX; i++) {
        for(var j=0; j<offsetY; j++) {
            var n=Math.floor(Math.random()*(colors.length));
            color=colors[n];
            switch (color){
                case "#f17c67":
                    a++;
                    if(a>32){//当这种颜色块超过32块时就把这个颜色从颜色数组中去掉，避免6种颜色出现频率不平均
                        colors.splice(n,1);
                    }
                    break
                case "#ECF752":
                    b++;
                    if(b>32){//当这种颜色块超过32块时就把这个颜色从颜色数组中去掉，避免6种颜色出现频率不平均
                        colors.splice(n,1);
                    }
                    break
                case "#79E8D0":
                    c++;
                    if(c>32){//当这种颜色块超过32块时就把这个颜色从颜色数组中去掉，避免6种颜色出现频率不平均
                        colors.splice(n,1);
                    }
                    break
                case "#FFB8B8":
                    d++;
                    if(d>32){//当这种颜色块超过32块时就把这个颜色从颜色数组中去掉，避免6种颜色出现频率不平均
                        colors.splice(n,1);
                    }
                    break
                case "#86E65A":
                    e++;
                    if(e>32){//当这种颜色块超过32块时就把这个颜色从颜色数组中去掉，避免6种颜色出现频率不平均
                        colors.splice(n,1);
                    }
                    break
                case "#24D197":
                    f++;
                    if(f>32){//当这种颜色块超过32块时就把这个颜色从颜色数组中去掉，避免6种颜色出现频率不平均
                        colors.splice(n,1);
                    }
                    break
            }
            matrix[i][j]=color;//记录颜色到数组
            var alpha = 1;//透明度
            (function(i,j ,alpha) {//绘制画面
                dyl.rect(color,i*30,j*30, 60, 60, alpha);
            })(i,j,alpha);
        }
    }
    var initial=[];//记录左上角块相连颜色数据
    //findPane(matrix[0][0])查找左上角颜色相同块的位置数据
    // replaceColor(0,0,findPane(matrix[0][0]),0,initial)将与左上角位置一样的颜色块保存到initial
    initial=replaceColor(0,0,findPane(matrix[0][0]),0,initial);
    console.log(a,b,c,d,e,f)//打印数据
</script>
</html>

创建game.js

用于绘画颜色块

(function() {
    var dyl = {cache: {}};
    dyl.setContext = function(context) {
        dyl.cache._context = context;
        return context;
    };
    dyl.getDom = function(id) {
        return document.getElementById(id);
    };
    dyl._getContext = function() {
        return dyl.cache._context;
    };
    dyl.save = function() {
        var context = dyl._getContext();
        context ? context.save() : void(0);
    };
    dyl.restore = function() {
        var context = dyl._getContext();
        context ? context.restore() : void(0);
    };
    dyl.createContext = function(canvasID) {
        var canvas = this.getDom(canvasID);
        if(!canvas) {
            return null;
        }
        return dyl.setContext(canvas.getContext("2d"));
    };
    dyl.createColor = function() {
        var color = "rgb(";
        color += Math.round(Math.random()*255);
        color += ",";
        color += Math.round(Math.random()*255);
        color += ",";
        color += Math.round(Math.random()*255);
        color += ")";
        return color;
    };
    dyl.addImg = function(img, x, y) {
        var context = dyl._getContext();
        if(!img || !context) {
            return;
        }
        if(typeof img === "string") {
            var oImg = new Image();
            oImg.src = img;
            oImg.onload = function() {
                context.drawImage(oImg, x, y);
            }
            return;
        }
        context.drawImage(img, x, y);
    };
    dyl.rect = function(color, x, y, width, height, alpha) {
        var context = dyl._getContext();
        if(!context) {
            return;
        }
        context.save();
        context.fillStyle = color;
        context.globalAlpha = alpha ? alpha : 1;
        context.fillRect(x, y, width, height);
        context.restore();
    };
    dyl.circle = function(color, x, y, r, alpha) {
        var context = dyl._getContext();
        context.save();
        context.fillStyle = color;
        context.beginPath();
        context.globalAlpha = alpha ? alpha : 1;
        context.arc(x, y, r, 0, 2*Math.PI);
        context.fill();
        context.stroke();
    };
    dyl.clearRect = function(x, y, width, height) {
        var context = dyl._getContext();
        if(!context) {
            return;
        }
        context.clearRect(x, y, width, height);
    };
    dyl.scale = function(x, y) {
        var context = dyl._getContext();
        if(!context) {
            return;
        }
        x = x ? x : 1;
        y = y ? y : 1;
        context.scale(x, y);
    };
    if(!window.dyl) {
        window.dyl = dyl;
    }
})();

创建algorithm.js

用于计算游戏中的逻辑

var num=30;// 可用的总步数
var newColor; //点击的颜色
/**
 * 点击按钮时计算颜色变化
 * */
function change(color){
    if(num<=0){ //可用步数不足时不给执行
        return;
    }
    num--; //步数减1
    newColor=color;
    add(findPane(newColor));
    redraw();
    if(num>5){// 低于5步时红色预警
        $("#num").html(num);
    }else if(num<=5&&num>=0){
        $("#num")[0].style.color="red"
        $("#num").html(num);
    }
    if(success()){
        $("#success").show()
    }
    if(num==0){
        $("#fail").show()
    }
}
function success() {
    for(var i=0; i<offsetX; i++) {
        for(var j=0; j<offsetY; j++) {
            if(matrix[0][0]!=matrix[i][j]){
                return false;
            }
        }
    }
    return true;
}
/**
 * 将新的方框加入到初始块，并替换初始块颜色为新的色
 * */
function add(newColors){
    for(var i=0; i<initial.length; i++){
        matrix[initial[i].x][initial[i].y]=newColor;
        for(var j=0; j<newColors.length;j++){
            if((newColors[j].x+1==initial[i].x&&newColors[j].y==initial[i].y)||
                (newColors[j].x-1==initial[i].x&&newColors[j].y==initial[i].y)||
                (newColors[j].y+1==initial[i].y&&newColors[j].x==initial[i].x)||
                (newColors[j].y-1==initial[i].y&&newColors[j].x==initial[i].x)){
                initial.push(newColors[j])
                newColors.splice(j,1)
            }
        }
    }
}

/**
 * 查找出颜色为oldColor的方块集合
 * */
function findPane(oldColor) {
    var elements=[];// 可能替换的元素集合
    for(var i=0; i<offsetX; i++) {
        for(var j=0; j<offsetY; j++) {
            if(oldColor==matrix[i][j]){
                var a={
                    x:i,
                    y:j
                }
                elements.push(a);
            }
        }
    }
    return elements;
}
/**
 * 符合逻辑位置处的方框颜色替换
 * */
function replaceColor(x,y,abc,index,initial){
    var a={
        x:x,
        y:y
    }
    initial.push(a);
    for(var j=index;j<abc.length; j++) {
        if((x+1==abc[j].x&&y==abc[j].y)||
            (y+1==abc[j].y&&x==abc[j].x)||
            (x-1==abc[j].x&&y==abc[j].y)||
            (y-1==abc[j].y&&x==abc[j].x)){
            replaceColor(abc[j].x,abc[j].y,abc,j+1,initial);
        }
    }
    return initial;
}
/**
 * 计算结果后重绘
 * */
function redraw(){
    for(var i=0; i<offsetX; i++) {
        for(var j=0; j<offsetY; j++) {
            var alpha = 1;//透明度
            (function(i,j ,alpha) {
                dyl.rect(matrix[i][j], i*30, j*30, 60, 60, alpha);
            })(i,j,alpha);
        }
    }
}
function res() {
    location.reload();
}

引入jquery-3.1.1.min.js

你可以从别的地方引入这个，也可以自己新建这个

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有兴趣的你可以试试哦，或者您还可以优化下一开始随机生成的时候避免多个相同色块相连的问题

欢迎留言给出您的建议


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