html--飞机大战_html飞机大战游戏代码-优快云博客

本文链接：https://blog.youkuaiyun.com/stqer/article/details/137686038
<!DOCTYPE html>
<html onselectstart="return false">
<head>
    <meta charset="UTF-8" />
    <title>热狗大赛</title>
    <style>
        *{ margin:0; padding:0; font-family:"Microsoft yahei",serif;}
        li{ list-style-type: none;}
        body{
            overflow: hidden;
            user-select: none;
        }
        #box{
            position: relative;
            width: 512px;
            height: 768px;
            margin:auto;
        }
        #map{
            overflow: hidden;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url("img/bg_1.jpg");
        }
        #level{
            position: absolute;
            top: 0;
            left: 0;
            z-index: 1;
            width: 100%;
            height: 100%;
        }
        #level h1{
            font-size: 40px;
            padding-top: 60px;
            padding-bottom: 150px;
            line-height: 60px;
            text-align: center;
            color: #fff;
        }
        #level p{
            margin: 30px auto;
            width: 200px;
            height: 35px;
            line-height: 35px;
            text-align: center;
            background: #fff;
            font-weight: bolder;
            cursor: pointer;
        }
        #level p:hover{
            background: pink;
            color: #fff;
        }
        #map .plane,#map .biu,#map .enemy,#map .boom,#map .boom2{
            position: absolute;
        }
        #map .plane{
            z-index: 8;
        }
        #map .biu{
            z-index: 10;
        }
        #map .boom2{
            z-index: 11;
            animation: bling 2s 1;
            animation-fill-mode: forwards;
        }
        #map .enemy{
            z-index: 9;
        }
        #map .boom{
            z-index: 7;
            animation: fade .8s 1;
            animation-fill-mode: forwards;
        }
        @keyframes fade {
            from{ opacity: 1; }
            to{ opacity: 0; }
        }
        @keyframes bling {
            0%{ opacity: 1; }
            20%{ opacity: 0; }
            40%{opacity: 1; }
            60%{opacity: 0;}
            80%{opacity: 1; }
            100%{opacity: 0;}
        }
        #score{
            display: none;
            position: absolute;
            top:10px;
            left:10px;
            color: #fff;
            line-height: 20px;
            font-size: 14px;
            font-weight: bold;
            z-index:20;
        }
        #restart{
            display: none;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index:30;
        }
        #restart p{
            width: 300px;
            height: 40px;
            line-height: 20px;
            margin: 140px auto;
            color: #fff;
        }

        #restart p span{
            display: block;
            font-weight : bolder;
            font-size: 22px;
            text-align: center;
        }
        #restart .p1 span{
            color: red;
        }
        #restart .p2 span{
            color: #ffa80c;
        }
        #restart .p3{
            font-family: "楷体";
            font-size: 20px;
            width: 100px;
            height: 35px;
            background: rgb(255,255,255);
            background: rgba(255,255,255,.8);
            color: #000;
            font-weight: bolder;
            line-height: 35px;
            text-align: center;
            border-radius: 3px;
            cursor: pointer;
        }
        #restart .p3:hover{
            background: white;
        }
    </style>
</head>
<body>
<div id="box">
    <div id="level">
        <h1>热狗大赛v1.0</h1>
        <p>八强</p>
        <p>四强</p>
        <p>半决赛</p>
        <p style="color: #f00">决赛</p>
    </div>
    <div id="map">
        <div id="BiuAll"></div>
    </div>
    <div id="score">0</div>
    <div id="restart">
        <p class="p1">您的最终得分是：<span>0</span></p>
        <p class="p2">获得称号：<span>抠脚侠</span></p>
        <p class="p3">重新开始</p>
    </div>
</div>

<script>

    window.requestAnimationFrame = window.requestAnimationFrame || function (fn) {return setTimeout(fn,1000/60)};
    window.cancelAnimationFrame = window.cancelAnimationFrame || clearTimeout;

    //全局变量
    var oBox = document.getElementById("box"),
        oScore = document.getElementById("score"),
        oRe = document.getElementById("restart"),
        oLevel = document.getElementById("level"),
        oMap = document.getElementById("map"),
        oBiuAll = document.getElementById("BiuAll"),
        allBiu = oBiuAll.children,
        allReChild = oRe.children,
        boxOffsetTop = oBox.offsetTop,
        boxOffsetLeft = oBox.offsetLeft;

    //启动
    exe();

    //初始选择难度界面的点击事件
    function exe(){

        //难度选择
        var aP = oLevel.getElementsByTagName("p");
        for (var i = 0,length=aP.length; i < length; i++) {
            (function(i){
                aP[i].onclick = function (e) {
                    e = e || window.event;
                    startGame(i , {
                        x : e.clientX - boxOffsetLeft,
                        y : e.clientY - boxOffsetTop
                    });//第一个实参为序号 ，第二个实参为存储着鼠标距离map边缘距离的json
                }
            })(i);
        }

        //restart按钮
        allReChild[2].onclick = function (ev) {
            cancelAnimationFrame(oMap.bgTimer);//停止背景滚动
            oRe.style.display = "none";
            oLevel.style.display = "block";
            oScore.innerHTML = 0;
            oMap.innerHTML = "<div id='BiuAll'></div>";
            oBiuAll = document.getElementById("BiuAll");
            allBiu = oBiuAll.children;
        };
    }

    //开始游戏
    function startGame(level , pos){

        clearMap(); //执行 隐藏和清理

        MapBg(level); //执行 Map背景相关操作
        var p = plane(level , pos); //执行 创建我军
        enemy(level , p); //执行 创建敌军
        //enemy(level , plane(level , pos));
        oBox.score = 0;//得分清零
    }

    //隐藏和清理
    function clearMap(){
        oScore.style.display = "block";
        oLevel.style.display = "none";//隐藏关卡选择框
    }

    //Map背景选择与运动
    function MapBg(level) {
        oMap.style.backgroundImage = "url('img/bg_"+(level+1)+".jpg')";

        (function m(){
            oMap.bgPosY = oMap.bgPosY || 0;
            oMap.bgPosY ++;
            oMap.style.backgroundPositionY = oMap.bgPosY + 'px';
            oMap.bgTimer = requestAnimationFrame(m);
        })();
    }

    //创建我军
    function plane(level , pos) {
        //创建我军图片
        var oImg = new Image();//document.createElement("img");
        oImg.src = "img/2.png";
        oImg.width = 50;
        oImg.height = 123;
        oImg.className = "plane";
        oImg.style.left = pos.x - oImg.width/2 + 'px';
        oImg.style.top = pos.y - oImg.height/2 + 'px';
        oMap.appendChild(oImg);

        //边界值
        var leftMin = -oImg.width/2,
            leftMax = oMap.clientWidth - oImg.width/2,
            topMin = 0,
            topMax = oMap.clientHeight - oImg.height/2;

        //加入mousemove事件
        document.onmousemove = function (ev) {
            ev = ev || window.event;
            //获取飞机实时坐标，并限制边界值
            var left = ev.clientX - boxOffsetLeft - oImg.width/2;
            var top = ev.clientY - boxOffsetTop - oImg.height/2;
            left = Math.max(leftMin,left);
            left = Math.min(leftMax,left);
            top = Math.max(topMin,top);
            top = Math.min(topMax,top);
            //赋值
            oImg.style.left = left + 'px';
            oImg.style.top = top + 'px';
        };

        //调用子弹函数
        fire(oImg,level);

        return oImg;
    }

    //我军子弹
    function fire(oImg , level){
        oBox.biuInterval = setInterval(function () {
            if ( oBox.score >= 500 ){
                createBiu(true , -1);
                createBiu(true , 1);
            }else{
                createBiu();
            }
        } , [100 , 200 , 200 , 15][level]);

        function createBiu(index , d){
            //创建子弹
            var oBiu = new Image();
            oBiu.src = "img/3.png";
            oBiu.width = 50;
            oBiu.height = 50;
            oBiu.className = "biu";

            var left = oImg.offsetLeft + oImg.width/2 - oBiu.width/2 - 10;
            var top = oImg.offsetTop - oBiu.height + 80;

            if ( index ){
                left += oBiu.width*d
            }

            oBiu.style.left = left + "px";
            oBiu.style.top = top + 'px';


            oBiuAll.appendChild(oBiu);

            //子弹运动
            function m() {
                if ( oBiu.parentNode ){
                    var top = oBiu.offsetTop - 20;
                    if ( top < -oBiu.height ){
                        oBiuAll.removeChild(oBiu);
                    }else{
                        oBiu.style.top = top + 'px';
                        requestAnimationFrame(m);
                    }
                }
            }
            //将运动执行队列放后面，不然子弹会直接初始就在 top-50 的位置
            setTimeout(function(){
                requestAnimationFrame(m);
            },50);
        }
    }

    //创建敌军
    function enemy(level , oPlane) {
        var w = oMap.clientWidth,
            h = oMap.clientHeight;

        var speed = [5,6,8,8][level]; //敌军下落速度

        var num = 1;
        oBox.enemyIntetval = setInterval(function () {
            var index = num%30?1:0;

            //生成敌军
            var oEnemy = new Image();
            oEnemy.index = index;
            oEnemy.HP = [20,1][index];
            oEnemy.speed = speed + (Math.random()*0.6 - 0.3)*speed;
            oEnemy.speed *= index?1:0.5;
            oEnemy.src = "img/4.png";
            oEnemy.className = "enemy";
            oEnemy.width = [104,54][index];
            oEnemy.height = [80,40][index];
            oEnemy.style.left = Math.random()*w - oEnemy.width/2 + 'px';
            oEnemy.style.top = -oEnemy.height + 'px';
            oMap.appendChild(oEnemy);
            num ++;

            //敌军运动
            function m(){
                if ( oEnemy.parentNode ){
                    var top = oEnemy.offsetTop;
                    top += oEnemy.speed;
                    if ( top >= h ){
                        oBox.score --; //漏掉飞机减分
                        oScore.innerHTML = oBox.score;
                        oMap.removeChild(oEnemy);
                    }else{
                        oEnemy.style.top = top + 'px';
                        //子弹碰撞检测
                        for (var i = allBiu.length - 1 ; i >= 0; i--) {
                            var objBiu = allBiu[i];
                            if ( coll(oEnemy , objBiu) ){
                                oBiuAll.removeChild(objBiu);//移除子弹
                                oEnemy.HP --;
                                if ( !oEnemy.HP ){
                                    oBox.score += oEnemy.index?2:20; //打掉飞机加分
                                    oScore.innerHTML = oBox.score;
                                    boom(oEnemy.offsetLeft,oEnemy.offsetTop,oEnemy.width,oEnemy.height,index?0:2);//敌军爆炸图
                                    oMap.removeChild(oEnemy);//移除敌军
                                    return;
                                }
                            }
                        }
                        //我军碰撞检测
                        if ( oPlane.parentNode && coll(oEnemy,oPlane) ){
                            boom(oEnemy.offsetLeft,oEnemy.offsetTop,oEnemy.width,oEnemy.height,index?0:2);//敌军爆炸图
                            boom(oPlane.offsetLeft,oPlane.offsetTop,oPlane.width,oPlane.height,1);//我军爆炸图
                            oMap.removeChild(oEnemy);//移除敌军
                            oMap.removeChild(oPlane);//移除我军
                            GameOver();
                            return;
                        }
                        requestAnimationFrame(m);
                    }
                }
            }
            requestAnimationFrame(m);
        },[350,150,120,40][level]);
    }

    //爆炸函数
    function boom(l,t,w,h,i){
        var oBoom = new Image();
        oBoom.src = "img/"+["boom_small","2","boom_big"][i]+".png";
        oBoom.className = 'boom'+["","2",""][i];
        oBoom.width = w;
        oBoom.height = h;
        oBoom.style.left = l + "px";
        oBoom.style.top = t + 'px';
        oMap.appendChild(oBoom);
        setTimeout(function(){
            oBoom.parentNode && oMap.removeChild(oBoom);
        },[1200,2500,1200][i]);
    }

    //两个物体 碰撞检测
    function coll( obj1 , obj2 ){
        var T1 = obj1.offsetTop,
            B1 = T1+obj1.clientHeight,
            L1 = obj1.offsetLeft,
            R1 = L1+obj1.clientWidth;

        var T2 = obj2.offsetTop,
            B2 = T2+obj2.clientHeight,
            L2 = obj2.offsetLeft,
            R2 = L2+obj2.clientWidth;

        return !( B1 < T2 || R1 < L2 || T1 > B2 || L1 > R2 );
    }

    //游戏结束
    function GameOver(){
        document.onmousemove = null; //清除移动事件
        clearInterval(oBox.biuInterval);//不再产生新子弹
        clearInterval(oBox.enemyIntetval);//不再产生新敌军
        restart();
    }

    //结算+重新开始
    function restart(){
        oScore.style.display = "none";

        var s = oBox.score;
        var honor;

        if ( s < -300 ){
            honor = "有热狗不吃你等啥";
        }else if ( s < 50 ){
            honor = "你这种水平吃个锤子的热狗";
        }else if ( s < 100 ){
            honor = "初级热狗大师";
        }else if ( s < 300 ){
            honor = "中级热狗大师";
        }else if ( s < 500 ){
            honor = "高级热狗大师";
        }else if ( s < 700 ){
            honor = "终极热狗大师";
        }else{
            honor = "IG牛逼";
        }

        oRe.style.display = "block";
        allReChild[0].children[0].innerHTML = s;
        allReChild[1].children[0].innerHTML = honor;
    }
</script>
</body>
</html>