JaveScript 应用之锅打灰太狼-原创手记-慕课网

锅打灰太狼
前两天做了一个小游戏,比上次的寻找徐峥更复杂一点.
游戏内容为灰太狼或小灰灰随机从洞中出现,点击会出现小星星转圈的动画,点击灰太狼加10分,点击小灰灰减10分.
代码中加入了大量注释,便于理解.
<!DOCTYPE html>
<html>

    <head>
        <meta charset="UTF-8">
        <title></title>
        <style type="text/css">
            #wrap {
                width: 320px;
                height: 480px;
                margin: 20px auto;
                position: relative;
            }

            #content {
                width: 100%;
                height: 100%;
                background: url(imgs/game_bg.jpg);
            }

            #progress {
                position: absolute;
                top: 66px;
                left: 63px;
                width: 180px;
                height: 16px;
                border-radius: 8px;
            }

            #menuGame {
                width: 100%;
                height: 100%;
                position: absolute;
                top: 0;
                left: 0;
            }

            #start,
            #introduce {
                color: red;
                font-size: 30px;
            }

            #start {
                position: absolute;
                top: 40%;
                left: 40%;
            }

            #introduce {
                position: absolute;
                top: 50%;
                left: 31%;
            }

            #content img {
                /*width: 60px;
                height: 60px;*/
                /*border: 1px solid red;*/
                position: absolute;
            }

            #content img:nth-child(1) {
                bottom: 220px;
                left: 14px;
            }

            #content img:nth-child(2) {
                left: 96px;
                bottom: 265px;
            }

            #content img:nth-child(3) {
                right: 28px;
                bottom: 238px;
            }

            #content img:nth-child(4) {
                left: 12px;
                bottom: 159px;
            }

            #content img:nth-child(5) {
                left: 101px;
                bottom: 188px;
            }

            #content img:nth-child(6) {
                right: 16px;
                bottom: 168px;
            }

            #content img:nth-child(7) {
                left: 28px;
                bottom: 87px;
            }

            #content img:nth-child(8) {
                left: 117px;
                bottom: 107px;
            }

            #content img:nth-child(9) {
                right: 9px;
                bottom: 85px;
            }

            #menuOver {
                width: 100%;
                height: 100%;
                position: absolute;
                top: 0;
                left: 0;
                display: none;
            }

            #gameOver {
                font-size: 30px;
                line-height: 480px;
                color: red;
                text-align: center;
            }
            #scores{
                /*width: 10px;
                height: 10px;
                border: 1px solid black;*/
                position: absolute;
                top:0px;
                left: 57px;
                color: white;
            }
        </style>
    </head>

    <body>
        <div id="wrap">
            <div id="content">
                <!--九个坑的图片-->
                <img src="" alt="" />
                <img src="" alt="" />
                <img src="" alt="" />
                <img src="" alt="" />
                <img src="" alt="" />
                <img src="" alt="" />
                <img src="" alt="" />
                <img src="" alt="" />
                <img src="" alt="" />
            </div>
            <!--进度条-->
            <img src="imgs/progress.png" alt="" id="progress" />
            <!--开始菜单-->
            <div id="menuGame">
                <p id="start">开始</p>
                <!--操作说明没进行设置-->
                <p id="introduce">操作说明</p>
            </div>
            <!--结束菜单-->
            <div id="menuOver">
                <p id="gameOver">game over!</p>
            </div>
            <!--分数-->
            <p id="scores">0</p>
        </div>
    </body>
    <script type="text/javascript">
        var start = document.getElementById('start');
        var progress = document.getElementById('progress');
        var content = document.getElementById('content');
        var imgs = content.getElementsByTagName('img');
        var menuGame = document.getElementById('menuGame');
        var menuOver = document.getElementById('menuOver');
        var scores = document.getElementById('scores');
        //随机数
        function randomNum(m, n) {
            return Math.floor(Math.random() * (n - m + 1) + m)
        }
        //图片出现
        var imgAppear;
        //图片消失
        var imgDisappear;
        //随机在哪出现
        var timerRandomNum;
        //点击图片
        var hitBig;
        //储存分数
        var score = 0;
        //点击开始按钮
        start.onclick = function() {
            menuGame.style.display = 'none';
            //进度条逐渐缩短
            var divWidth = 180;
            var timer = setInterval(function() {
                divWidth--;
                progress.style.width = divWidth + 'px';
                if (divWidth == 0) {
                    clearInterval(timer);
                    menuOver.style.display = 'block';
                    menuOver.onclick = function() {
                        menuOver.style.display = 'none';
                        menuGame.style.display = 'block';
                        score = 0;
                        scores.innerHTML = score;
                    }
                    clearInterval(timerRandomNum);
                }
            }, 100)
            //随机灰太狼和小灰灰
            //h 为灰太狼, x 为小灰灰
            //灰太狼出现的概率为75%,小灰灰出现的概率为25%
            var arr = ['h', 'h','h','x'];
            timerRandomNum = setInterval(function() {
                clearInterval(imgAppear);
                var num = 0;
                num = randomNum(0, 8);
                //图片 h0-h5 或 x0-x5
                var imgNum = 0;
                var imgNum1 = 5;
                var imgStyle = arr[randomNum(0, 3)]
                //图片出现
                imgAppear = setInterval(function() {
                    imgs[num].src = 'imgs/' + imgStyle + imgNum + '.png';
                    imgNum++;
                    if (imgNum == 5) {
                        clearInterval(imgAppear);
                        //图片消失
                        imgDisappear = setInterval(function() {
                            imgNum1--;
                            imgs[num].src = 'imgs/' + imgStyle + imgNum1 + '.png';
                            if (imgNum1 == 0) {
                                clearInterval(imgDisappear);
                                imgs[num].src = '';
                            }
                        }, 100)
                    }
                }, 100)
                for (var i = 0;i <imgs.length;i++) {
                    imgs[i].index = i;
                    //点击图片
                    imgs[i].onclick = function () {
                        //点击后图片h6-h9或 x6-x9
                        var numHitBig = 5;
                        if (this.index == num){
                            clearInterval(imgAppear);
                            clearInterval(imgDisappear);
                            this.src = '';
                            clearInterval(hitBig);
                            hitBig = setInterval (function () {
                                numHitBig++;
                                imgs[num].src = 'imgs/' + imgStyle + numHitBig + '.png';
                                if (numHitBig == 9) {
                                    clearInterval(hitBig);
                                    imgs[num].src = '';
                                }
                            },100);
                        }
                        //点击灰太狼加十分,点击小灰灰减十分
                        if(imgStyle == 'h'){
                            score += 10;
                        }else{
                            score -= 10;
                        }
                        //输入分数
                        scores.innerHTML = score;
                    }
                }
            }, 1000)
        }
    </script>

</html>
JaveScript 应用之 锅打灰太狼原创

JaveScript 应用之锅打灰太狼原创
