计算机教程

当前位置:澳门娱乐场网址 > 计算机教程 > 使用html css js实现弹球游戏

使用html css js实现弹球游戏

来源:http://www.ablakeforum.com 作者:澳门娱乐场网址 时间:2019-05-04 00:29

 效果图:

apache实用视频教程和基本使用技巧【Linux常用工具使用技巧和使用高清视频教程】播放视频下载

 如果您有更好的方法或更多的功能,可以和我们大家一起分享哦,如有错误,欢迎联系我改正,非常感谢!!!

00:11:26

图片 1

vagrant使用【Linux常用工具使用技巧和使用高清视频教程】播放视频下载

 使用html css js实现弹球游戏

图片 2

<!doctype html>
<head>
    <style type="text/css">
        .panel{
            position: relative;
            z-index: 0;
            top:0px;
            left: 400px;
            width: 300px;
            height: 500px;
        }
        .console{
            position: absolute;
            z-index: 1;
            top:0;
            left:0;
            width:100%;
            height: 40px;
            background-color: #bbb;
        }
        .message{
            position: absolute;
            z-index: 1;
            top:40px;
            left:0;
            width:100%;
            height: 460px;
            color: white;
            font-size: 50px;
            text-align: center;
            line-height: 460px;
            background-color: #999;
        }
        .start,.score,.pause{
            position: absolute;
            z-index: 2;
            top: 0;
            width: 100px;
            height: 100%;
            font-size: large;
            color: white;
            text-align: center;
            line-height: 40px;
            background: -webkit-linear-gradient(top,#4ca8ff,yellow);
        }
        .start{
            left: 0px;
        }
        .score{
            left:100px;
            background-color: red;
        }
        .pause{
            left:200px;
        }
        .start:after,.pause:before{
            content: "";
            position: absolute;
            z-index: 2;
            top: 0;
            width: 3px;
            height: 100%;
            background: -webkit-linear-gradient(top,#666,#999);
        }
        .start:after{
            left: 97px;
        }
        .pause:before{
            left: 0px;
        }
        .start:hover,.pause:hover{
            cursor: pointer;
            background: -webkit-linear-gradient(top,#4ca8ff,red);
        }
        .panel span{
            position: absolute;
            z-index: 0;
            top:50%;
            left: 50%;
            font-size: 50px;
            color: blue;
        }
        .ball,.secondBall{
            position:absolute;
            z-index: 2;
            border-radius:50%;
            width: 20px;
            height: 20px;
        }
        .ball{
            top: 460px;
            left:140px;
            background-color: red;
        }
        .secondBall{
            top: 40px;
            left:140px;
            background-color: red;
        }
        .plate{
            position: absolute;
            top:480px;
            left: 100px;
            z-index: 2;
            width: 100px;
            height: 20px;
            background-color: #e5e5e5;
        }
        .promte{
            margin-top: 20px;
            text-align: center;
        }
    </style>
</head>
<body>
    <div id="panel" class="panel">
        <div class="console">
            <div id="start" class="start">开始</div>
            <div id="score" class="score">0</div>
            <div id="pause" class="pause">暂停</div>
        </div>
        <div id="message" class="message"></div>
        <div id="ball" class="ball"></div>
        <div id="plate" class="plate"></div>
    </div>
    <div class="promte">提示:键盘左右箭头控制滑板</div>
    <script     type="text/javascript">
        (function(){
            document.onkeydown = function(e){
                var e = e || window.event;
                if(e.keyCode == 37){
                    //键盘向左键
                    plateMove("left");
                }else if(e.keyCode == 39){
                    //键盘向右键
                    plateMove("right");
                }
            }
        })();
        var panel = document.getElementById("panel"),
            message = document.getElementById("message"),
            plate = document.getElementById("plate"),
            ball = document.getElementById("ball"),
            start = document.getElementById("start"),
            score = document.getElementById("score"),
            pause = document.getElementById("pause"),
            secondBall;
        var startGame, x = x2 = -1, y = y2 = -1, speed = 1, positionArr = [], pauseActive = false,
            //一个标志:表示难度是否还能增加
            flag = true,
            //球的起始位置
            ballX, ballY, secondBallX, secondBallY,
            //边界
            minX = 0,
            maxX = panel.offsetWidth - ball.offsetWidth,
            minY = 40;
            maxY = panel.offsetHeight - ball.offsetHeight - plate.offsetHeight;
        window.onload = function(){
            if(window.addEventListener){
                start.addEventListener("click",startClick,false);
                pause.addEventListener("click",pauseClick,false);
            }else if(window.attachEvent){
                start.attachEvent("onclik",startClick);
                pause.attachEvent("onclik",pauseClick);
            }else{
                start.onclik = startClick;
                pause.onclik = pauseClick;
            }
        }

        function plateMove(direction){
            if(direction == "left"){
                if(plate.offsetLeft > 0){
                    plate.style.left = (plate.offsetLeft-30 < 0? 0 : plate.offsetLeft-30) "px";
                }
            }
            if(direction == "right"){
                if(plate.offsetLeft < 200){
                    plate.style.left = (plate.offsetLeft 30 > 200? 200 : plate.offsetLeft 30) "px";
                }
            }
        }
        function startClick(){
            if(!pauseActive){
                resetGame();
            }else{
                pauseActive = !pauseActive;
            }
            startGame = setInterval(function(){
                //console.log(ballX "======" ballY);
                positionArr = setPosition(ballX,ballY,true);
                if(positionArr == "GAMEOVER"){
                    return;
                }
                ballX = positionArr[0];
                ballY = positionArr[1];
                //设置球的位置
                ball.style.left = ballX "px";
                ball.style.top = ballY "px";
                if(!flag){
                    positionArr = setPosition(secondBallX,secondBallY,false);
                    secondBallX = positionArr[0];
                    secondBallY = positionArr[1];
                    secondBall.style.left = secondBallX "px";
                    secondBall.style.top = secondBallY "px";
                }else{
                    addDifficulty();
                }
            },30);
        }
        function pauseClick(){
            pauseActive = true;
            clearInterval(startGame);
        }

        function resetGame(){
            clearInterval(startGame);
            message.innerHTML="";
            score.innerHTML="0";
            ball.style.left = "140px";
            ball.style.top = "460px";
            plate.style.left = "100px";
            plate.style.top = "480px";
            ballX = ball.offsetLeft;
            ballY = ball.offsetTop;
            speed = 1;
            flag = true;
            //第二个球设置隐藏
            if(secondBall){
                secondBall.style.display="none";
                secondBall.style.left = "140px";
                secondBall.style.top = "40px";
            }
        }

        function addDifficulty(){
            if(parseInt(score.innerHTML) > 500 && parseInt(score.innerHTML) < 2000){
                speed = 1.2;
            }else if(parseInt(score.innerHTML) > 2000 && parseInt(score.innerHTML) < 5000){
                speed = 1.5;
            }else if(parseInt(score.innerHTML) > 5000){
                if(typeof secondBall != "undefined"){
                    secondBall.style.display="";
                }else{
                    secondBall = document.createElement('div');
                }

                secondBall.className = 'secondBall';
                panel.appendChild(secondBall);
                secondBallX = secondBall.offsetLeft;
                secondBallY = secondBall.offsetTop;
                flag = false;
            }
        }
        function setPosition(_x,_y,firstball){
            if(_x == minX || _x == maxX){
                //x*=-1;
                firstball? x*=-1 : x2*=-1;
            }
            if(_y == minY || _y == maxY){
                //y*=-1;
                firstball? y*=-1 : y2*=-1;
            }
            if(_y == maxY){
                //判断挡板的位置是不是在球的范围内
                if(plate.offsetLeft > _x || (plate.offsetLeft   plate.offsetWidth) < _x){
                    clearInterval(startGame);
                    message.innerHTML="GAMEOVER";
                    return "GAMEOVER";
                }
            }
            if(firstball){
                _x =4*x*speed;
                _y =5*y*speed;
            }else{
                _x =4*x2*speed;
                _y =5*y2*speed;
            }

            //边界处理
            _x = _x < minX? minX : _x;
            _x = _x > maxX? maxX : _x;

            _y = _y < minY? minY : _y;
            _y = _y > maxY? maxY : _y;
            //设置分数
            score.innerHTML=parseInt(score.innerHTML) 10*speed;
            return [_x,_y];
        }
    </script>
</body>
</html>

ssh日常使用和技巧【Linux常用工具使用技巧和使用高清视频教程】播放视频下载

 代码如下,复制即可使用:

使用rsync在不同机器之间同步数据【Linux常用工具使用技巧和使用高清视频教程】播放视频下载

Linux常用工具使用技巧和使用高清视频教程,这个专辑主要讲述了Linux常用工具,SSH使用,tmux使用,rsync使用,apache使用,sendmail使用,cron使用,vagrant的使用,希望大家可以喜欢

00:10:56

tmux使用实例【Linux常用工具使用技巧和使用高清视频教程】播放视频下载

ssh实用知识和使用【Linux常用工具使用技巧和使用高清视频教程】播放视频下载

00:04:04

Linux常用工具使用技巧和使用高清视频教程

本文由澳门娱乐场网址发布于计算机教程,转载请注明出处:使用html css js实现弹球游戏

关键词: