Javascript implements a simple version of the game of destroying stars-JS Tutorial-php.cn

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Javascript implements a simple version of the game of destroying stars

高洛峰

Dec 06, 2016 pm 04:27 PM

javascript

Let’s take a look at the implemented renderings

Javascript implements a simple version of the game of destroying stars

Game rules: Double-click the stars with the same color, double-click the same part and it will disappear

Example code

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" content="target-densitydpi=320,width=640,user-scalable=no" />
  <noscript><meta http-equiv="refresh" content="0"></noscript>
  <title></title>
  <meta name="description" id="seo_description" content="消灭星星">
  <meta name="viewport" content="initial-scale=1, width=device-width, maximum-scale=1, user-scalable=no">
  <meta name="viewport" content="initial-scale=1.0,user-scalable=no,maximum-scale=1" media="(device-height: 568px)">
  <meta name="apple-mobile-web-app-capable" content="yes">
  <meta name=&#39;apple-touch-fullscreen&#39; content=&#39;yes&#39;>
  <meta name="full-screen" content="yes">
  <meta name="apple-mobile-web-app-status-bar-style" content="black">
  <meta name="format-detection" content="telephone=no">
  <meta name="format-detection" content="address=no">
  <link rel="icon" href="" type="image/x-icon">
<script id="jquery_183" type="text/javascript" class="library" src="http://runjs.cn/js/sandbox/jquery/jquery-1.8.3.min.js"></script>
<style>
* {margin:0; padding:0;}
body {background:#000; width:100%; height:100%;}
#box {position:absolute; margin-top:50px;}
#star_box {position:relative; }
#star_box .star {width:40px; height:40px; position:absolute; cursor:pointer; }
#star_box .star img {border-radius:5px;}
#star_box .link img {border:2px solid #fff; border-radius:5px;}
</style>
<script>
$(function(){
    app.run();
});
// 2015-1-30 16:26
// 基本都已经实现
// 积分系统还没开始
var app = {};
app.linkStars = [];
app.searchStars = [];
app.stars = [];
app.newStars = [];
app.colsNoneNum = 0;
app.star = {
    width:30, // 星星的宽度
    height:30, // 高度
    margin:5, // 每个星星的边距
    rowNum:10, // 行数
    colsNum:10, // 列数
    colorNum:5, // 星星颜色数量 最大值为5 因为我TMD就做了5张星星图片
};
app.timer = null;
app.run = function() {
    this.box = $(&#39;#box&#39;);
    this.starBox = this.box.find(&#39;#star_box&#39;);
    this.initCanvas();
    this.initStars();
    this.draw();
    this.initBox();
    // this.write();
}
app.initCanvas = function() {
    var height = $(window).height();
    $(&#39;body&#39;).css(&#39;height&#39;, height+&#39;px&#39;);
}
// 初始化box样式
app.initBox = function() {
    var boxWidth = this.star.width*this.star.colsNum+this.star.margin*this.star.colsNum;
    var boxHeight = this.star.height*this.star.rowNum+this.star.margin*this.star.rowNum;
    var left = ($(window).width() - boxWidth) / 2;
    this.box.css(&#39;left&#39;, left+&#39;px&#39;);
    this.box.css(&#39;width&#39;, boxWidth+&#39;px&#39;);
    this.box.css(&#39;height&#39;, boxHeight+&#39;px&#39;);
}
// 初始化星星数组
app.initStars = function() {
    for(var i = 0; i < this.star.rowNum; i++) {
        this.stars[i] = [];
        for(var k = 0; k < this.star.colsNum; k++) {
            var color_index = Math.floor((Math.random()*this.star.colorNum));
            this.stars[i][k] = color_index;
        }
    }
    // this.stars = [[0,1,0,1,1],[0,0,0,1,0]]; // bug测试
    this.newStars = left2Array(this.stars);
    this.noLeftChangeStars = left2Array(this.stars);
}
app.initColsLink = function() {
    // 当前查找状态，一个数组对象，每个对象代表一列
    this.colsLink = [];
    for(var i = 0; i < this.star.colsNum; i++) {
        this.colsLink[i] = {x:[], num:0, max:Number(-1), count:this.initRowArray(1)};
    }
}
app.click = function(x, y) {
    x = parseInt(x);
    y = parseInt(y);
    var searchStars = [];
    searchStars[0] = {x:x, y:y};
    this.count = 0;
    this.linkStars = [];
    this.searchStars = [];
    this.bigSearch(searchStars); // 搜索 连接的星星
    this.clickAnimate();
}
app.mouseup = function() {
    clearTimeout(app.timer);
    app.timer = setTimeout(function() {
        app.starBox.find(&#39;.star&#39;).removeClass(&#39;link&#39;);
    }, 500);
}
// 触摸某个星星
// X坐标 和 Y坐标
app.touch = function(x, y) {
    x = parseInt(x);
    y = parseInt(y);
    var searchStars = [];
    searchStars[0] = {x:x, y:y};
    this.count = 0;
    this.linkStars = [];
    this.searchStars = [];
    this.bigSearch(searchStars); // 搜索 连接的星星
    this.initColsLink();
    this.colsNoneLenth = this.initColsArray(0);
    this.leftData = {min:Number(this.star.colsNum), y:[], num:0, count:this.initColsArray(1)};
    this.makeStars(); // 重新生成星星数组
    this.animate();
    // this.draw(); // 重新绘制星星
    // this.write(); // debug
}
// 星星动画
app.animate = function() {
    if(this.linkStars.length < 2) return;
    for(var i in this.linkStars) {
        var x = parseInt(this.linkStars[i].x);
        var y = parseInt(this.linkStars[i].y);
        app.delAnimate(x, y);
    }
    for(var i in this.colsLink) {
        var x = parseInt(this.colsLink[i].max);
        var y = parseInt(i);
        if(this.colsLink[i].x.length > 1) {
            var mOffset = 0;
            for(var j = this.colsLink[i].x.length-1; j >= 0; j--) {
                mOffset += this.colsLink[i].count[j];
                var r = this.colsLink[i].x[j-1];
                if(j - 1 < 0) r=-1;
                for(var t_x = this.colsLink[i].x[j]-1; t_x > r; t_x--) {
                    this.downAnimate(t_x, y, mOffset);
                }
            }
        }
        else {
            for(var t_x = x-1; t_x >= 0; t_x--) {
                this.downAnimate(t_x, y, this.colsLink[y].num);
            }
        }
    }
    if(this.leftData.min > -1) {
        if(this.leftData.y.length > 1) {
            var mOffset = 0;
            for(var j = 0; j <= this.leftData.y.length-1; j++) {
                mOffset += this.leftData.count[j];
                var r = this.leftData.y[j+1];
                if(j + 1 > this.leftData.y.length-1) r=this.star.colsNum;
                for(var n_x = 0; n_x <= this.star.rowNum-1; n_x++) {
                    for(var n_y = this.leftData.y[j]+1; n_y < r; n_y++) {
                        this.leftAnimate(n_x, n_y, mOffset);
                    }
                }
            }
        }
        else {
            var y = parseInt(this.leftData.min);
            for(var n_x = 0; n_x <= this.star.rowNum-1; n_x++) {
                for(var n_y = y+1; n_y < this.star.colsNum; n_y++) {
                    this.leftAnimate(n_x, n_y, this.leftData.num);
                }
            }
        }
    }
    // this.leftAnimate();
}
/* 消除星星的动画效果 */
app.delAnimate = function(x,y) {
    var index = x*this.star.colsNum + y; // 根据x、y计算对应dom中星星的 id
    var starDiv = this.starBox.find(&#39;.id_&#39;+index);
    var left = parseInt(starDiv.css(&#39;left&#39;)) + this.star.width/2
    var top = parseInt(starDiv.css(&#39;top&#39;)) + this.star.height/2
    starDiv.find(&#39;img&#39;).animate({width:&#39;0&#39;,height:&#39;0&#39;}, 500);
    starDiv.animate({ left:left+&#39;px&#39;, top:top+&#39;px&#39;, opacity:0}, 500, function(){$(this).hide();});
    starDiv.removeClass(&#39;id_&#39;+index);
}
/* 星星向下移动的动画效果 */
app.downAnimate = function(x, y, move_num) {
    if(this.checkRepeat(x, y)) {
        return ;
    }
    var index = x*this.star.colsNum + y;
    var starDiv = this.starBox.find(&#39;.id_&#39;+index);
    var dTop = parseInt(starDiv.css(&#39;top&#39;));
    var top = dTop + (this.star.height + this.star.margin) * move_num;
    starDiv.animate({top:top+&#39;px&#39;}, 300);
    var n_x_ = x + move_num;
    starDiv.attr(&#39;ondblclick&#39;, &#39;app.touch(&#39;+n_x_+&#39;,&#39;+y+&#39;)&#39;);
    starDiv.attr(&#39;onmousedown&#39;, &#39;app.click(&#39;+n_x_+&#39;,&#39;+y+&#39;)&#39;);
    starDiv.removeClass(&#39;id_&#39;+index);
    var id = parseInt(n_x_*this.star.colsNum) + parseInt(y);
    starDiv.addClass(&#39;id_&#39;+id);
}
/* 星星向左移动的动画效果 */
app.leftAnimate = function(x, y, move_num) {
    var index = x*this.star.colsNum + y;
    var starDiv = this.starBox.find(&#39;.id_&#39;+index);
    var dLeft = parseInt(starDiv.css(&#39;left&#39;));
    var left = dLeft - (this.star.width + this.star.margin) * move_num;
    starDiv.animate({left:left+&#39;px&#39;}, 300);
    var n_y_ = y - move_num;
    starDiv.attr(&#39;ondblclick&#39;, &#39;app.touch(&#39;+x+&#39;,&#39;+n_y_+&#39;)&#39;);
    starDiv.attr(&#39;onmousedown&#39;, &#39;app.click(&#39;+x+&#39;,&#39;+n_y_+&#39;)&#39;);
    starDiv.removeClass(&#39;id_&#39;+index);
    var id = parseInt(x*this.star.colsNum) + parseInt(n_y_);
    starDiv.addClass(&#39;id_&#39;+id);
}
// 点击提示连接星星动画
app.clickAnimate = function() {
    if(this.linkStars.length < 2) return;
    this.starBox.find(&#39;.star&#39;).removeClass(&#39;link&#39;);
    for(var i in this.linkStars) {
        var x = parseInt(this.linkStars[i].x);
        var y = parseInt(this.linkStars[i].y);
        var index = x*this.star.colsNum + y;
        var starDiv = this.starBox.find(&#39;.id_&#39;+index);
        starDiv.addClass(&#39;link&#39;);
    }
}
/* 递归遍历查找 */
app.bigSearch = function(searchStars) {
    if(searchStars.length == 0) return ;
    this.newSearchStars = [];
    this.s_count = 0;
    for(var i in searchStars) {
        var star = searchStars[i];
        var x = parseInt(star.x);
        var y = parseInt(star.y);
        if(!this.checkRepeat(x, y)) {
            this.linkStars[this.count] = {x:x, y:y};
        }
        this.count++;
        this.search(x, y, &#39;top&#39;);
        this.search(x, y, &#39;right&#39;);
        this.search(x, y, &#39;down&#39;);
        this.search(x, y, &#39;left&#39;);
    }
    this.bigSearch(this.newSearchStars);
}
/* 上下左右 查找 */
app.search = function(x, y, position) {
    if(position == &#39;top&#39;) {
        var top = x-1;
        if(top < 0) return;
        if(this.stars[x][y] == this.stars[top][y] && !this.checkRepeat(top, y)) {
            this.newSearchStars[this.s_count] = {x:top, y:y};
        }
    }
    else if(position == &#39;right&#39;) {
        var right = y+1;
        if(right > this.star.colsNum-1) return;
        if(this.stars[x][y] == this.stars[x][right] && !this.checkRepeat(x, right)) {
            this.newSearchStars[this.s_count] = {x:x, y:right};
        }
    }
    else if(position == &#39;down&#39;) {
        var down = x+1;
        if(down > this.star.rowNum-1) return;
        if(this.stars[x][y] == this.stars[down][y] && !this.checkRepeat(down, y)) {
            this.newSearchStars[this.s_count] = {x:down, y:y};
        }
    }
    else if(position == &#39;left&#39;) {
        var left = y-1;
        if(left < 0) return;
        if(this.stars[x][y] == this.stars[x][left] && !this.checkRepeat(x, left)) {
            this.newSearchStars[this.s_count] = {x:x, y:left};
        }
    }
    this.s_count++;
}
// 根据传递的x, y来检测是否存在在linkStars中 如果存在则返回 true
app.checkRepeat = function(x, y) {
    if(this.linkStars.length == 0) return false;
    for(var i in this.linkStars) {
        var star = this.linkStars[i];
        if(parseInt(star.x) == parseInt(x) && parseInt(star.y) == parseInt(y)) return true;
    }
    return false;
}
// 从新构造“星星”数组
// stars、newStars必须初始化完成
// linkStars必须>=2个星星
app.makeStars = function() {
    if(this.stars.length==0 || this.newStars.length==0 || this.linkStars.length==0 || this.linkStars.length<2) return false;
    // -== setp-1 ==-
    /*
        在相连数组中查找当前星星是否是相连的
        如果是相连的星星 则在newStars中把该星星以上的星星的值都赋值给x+1的星星
        然后在newStars中把最上面的一个元素 即[0][y]的元素值设为-1;
    */
    var clx_count = this.initColsArray(0);
    for(var x in this.stars) {
        x = parseInt(x);
        for(var y in this.stars[x]) {
            y = parseInt(y);
            if(this.stars[x][y] != -1 && this.checkRepeat(x,y)) {
                for(var n_x = x-1; n_x >= 0; n_x--) {
                    this.newStars[n_x+1][y] = this.newStars[n_x][y];
                }
                this.newStars[0][y] = -1;
                this.colsLink[y].num += 1;
                if(this.colsLink[y].max < x) {
                    this.colsLink[y].max = x;
                    if((x+1 <= this.stars.length-1 && !this.checkRepeat(x+1,y)) || (x == this.stars.length-1 && this.checkRepeat(x,y))) {
                        this.colsLink[y].x[clx_count[y]] = x;
                        clx_count[y]++;
                    }
                    else if(x+1 <= this.stars.length-1 && this.checkRepeat(x+1,y)) {
                        this.colsLink[y].count[clx_count[y]] += 1;
                    }
                }
                this.colsNoneLenth[y] += 1;
            }
        }
    }
    // -== setp-2 ==-
    // 主要是为生成左移动画统计数据
    this.noLeftChangeStars = left2Array(this.newStars);
    var ld_count = 0;
    for(var y = 0; y <= this.star.colsNum-1; y++) {
        y = parseInt(y);
        // if(this.star.colsNum - (y+1) < this.colsNoneNum) continue;
        // 判断当前列是否全部被设置为-1
        if(this.checkColsNone(y)) {
            if(this.leftData.min > y) {
                this.leftData.min = y;
            }
            if((y+1 <= this.star.colsNum-1 && !this.checkColsNone(y+1)) || (y == this.star.colsNum-1)) {
                this.leftData.y[ld_count] = y;
                ld_count++;
            }
            else if(y+1 <= this.star.colsNum-1 && this.checkColsNone(y+1)) {
                this.leftData.count[ld_count] += 1;
            }
            this.leftData.num += 1;
            // this.colsNoneNum += 1;
        }
    }
    // -== setp-3 ==-
    // 左移数据 并从新构造新数组
    if(this.leftData.min > -1) {
        var check = this.leftData.min;
        for(var y = 0; y < this.star.colsNum; y++) {
            if(this.checkNewColsNone(check)) {
                for(var n_x = 0; n_x <= this.star.rowNum-1; n_x++) {
                    for(var n_y = check+1; n_y < this.star.colsNum; n_y++) {
                        this.newStars[n_x][n_y-1] = this.newStars[n_x][n_y];
                    }
                    this.newStars[n_x][this.star.colsNum-1] = -1;
                }
            }
            else {
                check += 1;
            }
        }
    }
    // 把新构造的数组 再赋值给星星数组
    this.stars = left2Array(this.newStars);
}
// 检测当前列是否全部消空 如果消空返回true
// 数组未被左移破坏，只被下移修改过
app.checkColsNone = function(y) {
    var count = 0;
    for(var x = 0; x < this.star.rowNum; x++) {
        if(this.noLeftChangeStars[x][y] == Number(-1)) count++;
    }
    if(count == this.star.rowNum) return true;
    return false;
}
// 检测当前列是否全部消空 如果消空返回true
// 数组为每次下移和左移之后新生成的数组
app.checkNewColsNone = function(y) {
    var count = 0;
    for(var x = 0; x < this.star.rowNum; x++) {
        if(this.newStars[x][y] == Number(-1)) count++;
    }
    if(count == this.star.rowNum) return true;
    return false;
}
app.draw = function() {
    var starsDiv = &#39;&#39;;
    for(var x in this.stars) {
        x = parseInt(x);
        for(var y in this.stars[x]) {
            y = parseInt(y);
            var star = this.stars[x][y];
            if(star == -1) {
                continue;
            }
            var left = y*this.star.width+y*5;
            var top = x*this.star.height+x*5;
            var index = x*this.star.colsNum + y;
            starsDiv += &#39;<div class="star id_&#39;+index+&#39;" style="left:&#39;+left+&#39;px; top:&#39;+top+&#39;px; width:&#39;+this.star.width+&#39;px;height:&#39;+this.star.height+&#39;px;" ondblclick="app.touch(&#39;+x+&#39;,&#39;+y+&#39;);" onmousedown="app.click(&#39;+x+&#39;,&#39;+y+&#39;);" onmouseup="app.mouseup();"><img  src="/static/imghw/default1.png"  data-src="http://sandbox.runjs.cn/uploads/rs/437/doeiphrq/star_&#39;+star+&#39;.png"  class="lazy"      style="max-width:90%" height="&#39;+this.star.height+&#39;"/ alt="Javascript implements a simple version of the game of destroying stars" ></div>&#39;;
        }
    }
    $(&#39;#star_box&#39;).html(starsDiv);
}
app.initColsArray = function(val) {
    var array = [];
    if(val == &#39;undefined&#39;) val = 0;
    for(var i = 0; i < this.star.colsNum; i++) {
        array[i] = val;
    }
    return array;
}
app.initRowArray = function(val) {
    var array = [];
    if(val == &#39;undefined&#39;) val = 0;
    for(var i = 0; i < this.star.rowNum; i++) {
        array[i] = val;
    }
    return array;
}
app.write = function() {
    var html = &#39;&#39;;
    for(var i in this.stars) {
        var line = this.stars[i];
        for(var j in line) {
            var star = line[j];
            var color = &#39;red&#39;;
            if(star == -1) {
                color = &#39;blue&#39;;
            }
            html += &#39;<font color="&#39;+color+&#39;">&#39;+star+&#39;</font><font color="#999">(&#39;+i+&#39;,&#39;+j+&#39;)</font>  &#39;;
        }
        html += &#39;<br/><br/>&#39;;
    }
    html += &#39;<p>--===================================================--<p>&#39;;
    $(&#39;#show&#39;).append(html);
}
function left2Array(array) {
    if(array.length < 0) return array;
    var newArray = [];
    for(var i in array) {
        newArray[i] = [];
        for(var j in array[i]) {
            newArray[i][j] = array[i][j];
        }
    }
    return newArray;
}
</script>
</head>
<body>
    <div id="box">
        <div id="star_box">
        </div>
    </div>
    <div id="show" style="padding-top:600px;"></div>
<!--     X:<input type="text" id="x" value=""/>
    Y:<input type="text" id="y" value=""/>
    <input type="button" value="点击" onclick="app.touch($(&#39;#x&#39;).val(), $(&#39;#y&#39;).val());"/>
    <br/>
    <br/> -->
</body>
</html>

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How to use WebSocket and JavaScript to implement an online speech recognition system Introduction: With the continuous development of technology, speech recognition technology has become an important part of the field of artificial intelligence. The online speech recognition system based on WebSocket and JavaScript has the characteristics of low latency, real-time and cross-platform, and has become a widely used solution. This article will introduce how to use WebSocket and JavaScript to implement an online speech recognition system.

WebSocket and JavaScript: key technologies for implementing real-time monitoring systems Dec 17, 2023 pm 05:30 PM

WebSocket and JavaScript: Key technologies for realizing real-time monitoring systems Introduction: With the rapid development of Internet technology, real-time monitoring systems have been widely used in various fields. One of the key technologies to achieve real-time monitoring is the combination of WebSocket and JavaScript. This article will introduce the application of WebSocket and JavaScript in real-time monitoring systems, give code examples, and explain their implementation principles in detail. 1. WebSocket technology

How to use JavaScript and WebSocket to implement a real-time online ordering system Dec 17, 2023 pm 12:09 PM

Introduction to how to use JavaScript and WebSocket to implement a real-time online ordering system: With the popularity of the Internet and the advancement of technology, more and more restaurants have begun to provide online ordering services. In order to implement a real-time online ordering system, we can use JavaScript and WebSocket technology. WebSocket is a full-duplex communication protocol based on the TCP protocol, which can realize real-time two-way communication between the client and the server. In the real-time online ordering system, when the user selects dishes and places an order

How to implement an online reservation system using WebSocket and JavaScript Dec 17, 2023 am 09:39 AM

How to use WebSocket and JavaScript to implement an online reservation system. In today's digital era, more and more businesses and services need to provide online reservation functions. It is crucial to implement an efficient and real-time online reservation system. This article will introduce how to use WebSocket and JavaScript to implement an online reservation system, and provide specific code examples. 1. What is WebSocket? WebSocket is a full-duplex method on a single TCP connection.

JavaScript and WebSocket: Building an efficient real-time weather forecasting system Dec 17, 2023 pm 05:13 PM

JavaScript and WebSocket: Building an efficient real-time weather forecast system Introduction: Today, the accuracy of weather forecasts is of great significance to daily life and decision-making. As technology develops, we can provide more accurate and reliable weather forecasts by obtaining weather data in real time. In this article, we will learn how to use JavaScript and WebSocket technology to build an efficient real-time weather forecast system. This article will demonstrate the implementation process through specific code examples. We

How to use insertBefore in javascript Nov 24, 2023 am 11:56 AM

Usage: In JavaScript, the insertBefore() method is used to insert a new node in the DOM tree. This method requires two parameters: the new node to be inserted and the reference node (that is, the node where the new node will be inserted).

Simple JavaScript Tutorial: How to Get HTTP Status Code Jan 05, 2024 pm 06:08 PM

JavaScript tutorial: How to get HTTP status code, specific code examples are required. Preface: In web development, data interaction with the server is often involved. When communicating with the server, we often need to obtain the returned HTTP status code to determine whether the operation is successful, and perform corresponding processing based on different status codes. This article will teach you how to use JavaScript to obtain HTTP status codes and provide some practical code examples. Using XMLHttpRequest

How to get HTTP status code in JavaScript the easy way Jan 05, 2024 pm 01:37 PM

Introduction to the method of obtaining HTTP status code in JavaScript: In front-end development, we often need to deal with the interaction with the back-end interface, and HTTP status code is a very important part of it. Understanding and obtaining HTTP status codes helps us better handle the data returned by the interface. This article will introduce how to use JavaScript to obtain HTTP status codes and provide specific code examples. 1. What is HTTP status code? HTTP status code means that when the browser initiates a request to the server, the service

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