小游戏别踩白块_html/css_WEB-ITnose
有图有真相，先上图再说
照旧贴出代码
<!DOCTYPE html><html><head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <title>别踩白块</title> <style type="text/css"> html, body { height: 100%; font-size: 62.5%; } body, div, ul, li { padding: 0; margin: 0; } section { width: 100%; height: 100%; position: relative; } #container { position: absolute; top: -276px; padding: 0 20px; width: 100%; height: 1460px; background: #eee; } .row { margin-top: 30px; overflow: hidden; list-style: none; display: flex; } .col { flex: 1; margin-right: 3%; margin-bottom: 5px; height: 20rem; border-radius: 5px; border: 1px solid gray; box-shadow: 5px 5px 5px gray; background: #fff; } .col:last-child { margin: 0 5px 5px 0; } footer { position: fixed; bottom: 0; height: 28%; width: 100%; text-align: center; font: bold 5rem/100px "microsoft yahei"; background: gray; } .action { width: 300px; height: 100px; font-size: inherit; } .black { background: #000; } </style></head><body> <section> <div id="container"></div> </section> <footer> <button class="action" onclick="star()">Action</button> <div class="level">第<span id="chapter">1</span>关</div> <div class="score">您的总分是:<span id="num">0</span></div> </footer> <script> //设置定时器操作句柄 var clock = null; //设置游戏状态 0:游戏进行中 1：游戏暂停 2：游戏失败 var state = 0; //设置游戏速度，默认速度为2 var speed = 2; //根据id获取元素 function $(id) { return document.getElementById(id); } //创建div function createDiv(className) { var div = document.createElement("div"); div.className = className; return div; } //创建row function createRow() { var con = $("container"); var row = createDiv("row"); var classes = createBlank(); for (var i = 0; i < 4; i++) { row.appendChild(createDiv(classes[i])); } //判断container内是否有子元素 if (con.firstChild == null) { con.appendChild(row); } else { con.insertBefore(row, con.firstChild) } } //创建随机黑块 function createBlank() { var arr = ['col', 'col', 'col', 'col']; var i = Math.floor(Math.random() * 4); arr[i] = 'col black'; return arr; } //向下滑动动画 function move() { var con = $("container"); var top = parseInt(window.getComputedStyle(con, null)["top"]); if (speed + top > 0) { //如果一步走过头，则强制top等于零 top = 0; } else { top += speed; } con.style.top = top + "px"; //如果最上的块完全掉下来时top==0，此时需在这行上追加一行 if (top == 0) { createRow(); con.style.top = "-23rem"; var rows = con.children; if ((rows.length == 5) && (rows[rows.length - 1].pass != 1)) { fail(); } else { deleteRow(); } } } //加速函数 function accelerate() { speed += 2; if (speed == 20) { alert("饶了我吧，你的电脑太卡了！"); } } //删除最后一行 function deleteRow() { var con = $("container"); con.removeChild(con.lastChild); } //动画开始 function star() { clock = window.setInterval('move()', 10); } //点击黑块颜色变白 $("container").onclick = function(event) { judge(event); } //判断是成功还是失败 function judge(event) { if (state == 2) { alert("游戏失败，请重新开始！"); gameInit(); return; } if (event.target.className.indexOf("black") == -1) { fail(); } else { event.target.className = "col"; event.target.parentNode.pass = 1; score(); } } //游戏失败或结束 function fail() { clearInterval(clock); state = 2; alert("游戏失败，请重新开始！"); var con = $("container"); con.style.top = "-276px"; gameInit(); } //游戏初始化 function gameInit() { var con = $("container"); var childNum = con.children.length; for (var i = 0; i < childNum; i++) { deleteRow(); } init(); $('num').innerHTML = 0; state = 0; } //页面初始化 function init() { for (var i = 0; i < 4; i++) { createRow(); } } //计分 function score() { var newScore = parseInt($('num').innerHTML) + 1; var newChpater = parseInt($('chapter').innerHTML) + 1 $('num').innerHTML = newScore; if (newScore % 20 == 0) { $("chapter").innerHTML = newChpater; accelerate(); } } init(); </script></body></html>玩了几次，感觉还不错！其实早就想做这个游戏了，苦于没思路。现参考网上教程，终于解决了。
希望大家可以试着玩玩，若有BUG，请留言。
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