别踩白块
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>益智类游戏别踩白块小游戏</title> <style type="text/css"> * { margin: 0; padding: 0; } .box { margin: 50px auto 0 auto; width: 400px; height: auto; border: solid 1px #222; } #cont { width: 400px; height: 600px; position: relative; overflow: hidden; } #go { width: 100%; height: 600px; position: absolute; top: 0; font: 500 30px 'Microsoft YaHei', 'Lantinghei SC', 'Open Sans', Arial, 'Hiragino Sans GB', 'STHeiti', 'WenQuanYi Micro Hei', 'SimSun', sans-serif; text-align: center; z-index: 99; } #go span { cursor: pointer; background-color: #fff; border-bottom: solid 1px #222; } #main { width: 400px; height: 600px; position: relative; top: -150px; } .row { width: 400px; height: 150px; } .row div { width: 99px; height: 149px; border: solid 1px #222; float: left; border-top-width: 0; border-left-width: 0; cursor: pointer; } #count { border-top: solid 1px #222; width: 400px; height: 50px; font: 500 30px/40px 'Microsoft YaHei', 'Lantinghei SC', 'Open Sans', Arial, 'Hiragino Sans GB', 'STHeiti', 'WenQuanYi Micro Hei', 'SimSun', sans-serif; text-align: center; } h3 { text-align: center } </style> </head> <body> <h3>千万别踩小白块哦</h3> <div class="box"> <div id="cont"> <div id="go"> <span>开始游戏</span> </div> <div id="main"></div> </div> <div id="count"></div> </div> </body> <script> //得当前样式 function getStyle(obj, arrt) { //兼容IE return obj.currentStyle ? obj.currentStyle[arrt] : getComputedStyle(obj, null)[arrt]; } var main = document.getElementById('main'); var go = document.getElementById('go'); var count = document.getElementById('count'); var cols = ['#1AAB8A', '#E15650', '#121B39', '#80A84E']; //动态创建div function cDiv(classname) { //创建div var oDiv = document.createElement('div'); //随机值 var index = Math.floor(Math.random() * 4); //行 添加相应的class类 oDiv.className = classname; //创建行之后再动态创建4个小div并添加到行里面 for (var j = 0; j < 4; j++) { var iDiv = document.createElement('div'); oDiv.appendChild(iDiv); } //然后把行添加到main里面 //判断需要添加的位置 if (main.children.length == 0) { main.appendChild(oDiv); } else { main.insertBefore(oDiv, main.children[0]); } //随机给行里面的某一个div添加背景色 oDiv.children[index].style.backgroundColor = cols[index]; //标记颜色盒子 oDiv.children[index].className = "i"; } //移动div function move(obj) { //关闭上一个定时器 clearInterval(obj.timer); //默认速度与计分 var speed = 5, num = 0; //定时器管理与开启定时器 obj.timer = setInterval(function() { //速度 var step = parseInt(getStyle(obj, 'top')) + speed; //移动盒子 obj.style.top = step + 'px'; //判断并创建新的盒子 if (parseInt(getStyle(obj, 'top')) >= 0) { cDiv('row'); obj.style.top = -150 + 'px'; } //删除边界外的盒子 if (obj.children.length == 6) { //删除前,如果有盒子没有点击则结束游戏 for (var i = 0; i < 4; i++) { if (obj.children[obj.children.length - 1].children[i].className == 'i') { //游戏结束 obj.style.top = '-150px'; count.innerHTML = '游戏结束,最高得分: ' + num; //关闭定时器 clearInterval(obj.timer); //显示开始游戏 go.children[0].innerHTML = '重新开始'; go.style.display = "block"; } } obj.removeChild(obj.children[obj.children.length - 1]); } //点击与计分 obj.onmousedown = function(event) { //点击的不是白盒子 // 兼容IE event = event || window.event; if ((event.target ? event.target : event.srcElement).className == 'i') { //点击后的盒子颜色 (event.target ? event.target : event.srcElement).style.backgroundColor = "#bbb"; //清除盒子标记 (event.target ? event.target : event.srcElement).className = ''; //计分 num++; //显示得分 count.innerHTML = '当前得分: ' + num; bgm.play(); } else { //游戏结束 obj.style.top = 0; count.innerHTML = '游戏结束,最高得分: ' + num; //关闭定时器 clearInterval(obj.timer); //显示开始游戏 go.children[0].innerHTML = '重新开始'; go.style.display = "block"; } //盒子加速 if (num % 10 == 0) { speed++; } } }, 20) } //开始游戏 go.children[0].onclick = function() { //开始前判断main里面是否有盒子,有则全部删除 if (main.children.length) { //暴力清楚main里面所有盒子 main.innerHTML = ''; } //清空计分 count.innerHTML = '游戏开始'; //隐藏开始盒子 this.parentNode.style.display = "none"; //调用定时器 move(main); } </script> </html>