JavaScript制作简易的微信打飞机

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我是靠谱客的博主忧虑路灯，最近开发中收集的这篇文章主要介绍JavaScript制作简易的微信打飞机，觉得挺不错的，现在分享给大家，希望可以做个参考。
概述

简单的用JavaScript模拟微信打飞机，部分功能还不完善，刚开始写，还有很多不足，还望大家多多指出。
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
  <title></title>
  <meta http-equiv="content" content="text/html" charset="utf-8"/>
  <style type="text/css">
    *{
      margin: 0;
      padding: 0;
    }
    #contentdiv{
      position: absolute;
      left: 500px;
    }
    #startdiv{
      width: 320px;
      height: 568px;
      background-image: url(../image/开始背景.png);
    }
    button{
      outline: none;
    }
    #startdiv button{
      position: absolute;
      top: 500px;
      left: 82px;
      width: 150px;
      height: 30px;
      border: 1px solid black;
      border-radius: 30px;
      background-color: #c4c9ca;
    }
    #maindiv{
      width: 320px;
      height: 568px;
      background-image:url(../image/background_1.png) ;
      display: none;
    }
    #maindiv img{
      position: absolute;
      z-index: 1;
    }
    #scorediv{
      font-size: 16px;
      font-weight: bold;
      position: absolute;
      top: 10px;
      left: 10px;
      display: none;
    }
    #scorediv{
      font-size: 18px;
      font-weight: bold;
    }
    #suspenddiv{
      position: absolute;
      top: 210px;
      left: 82px;
      display: none;
      z-index: 2;
    }
    #suspenddiv button{
      width: 150px;
      height: 30px;
      margin-bottom: 20px;
      border: 1px solid black;
      border-radius: 30px;
      background-color: #c4c9ca;
    }
    #enddiv{
      position: absolute;
      top: 210px;
      left: 75px;
      border: 1px solid gray;
      border-radius: 5px;
      text-align: center;
      background-color:#d7ddde;
      display: none;
      z-index: 2;
    }
    .plantext{
      width: 160px;
      height: 30px;
      line-height: 30px;
      font-size: 16px;
      font-weight: bold;
    }
    #planscore{
      width: 160px;
      height: 80px;
      line-height: 80px;
      border-top: 1px solid gray;
      border-bottom: 1px solid gray;
      font-size: 16px;
      font-weight: bold;
    }
    #enddiv div{
      width: 160px;
      height: 50px;
    }
    #enddiv div button{
      margin-top:10px ;
      width: 90px;
      height: 30px;
      border: 1px solid gray;
      border-radius: 30px;
    }
  </style>
</head>
 
<body>
<div id="contentdiv">
  <div id="startdiv">
    <button onclick="begin()">开始游戏</button>
  </div>
  <div id="maindiv">
    <div id="scorediv">
      <label>分数：</label>
      <label id="label">0</label>
    </div>
    <div id="suspenddiv">
      <button>继续</button><br/>
      <button>重新开始</button><br/>
      <button>回到主页</button>
    </div>
    <div id="enddiv">
      <p class="plantext">飞机大战分数</p>
      <p id="planscore">0</p>
      <div><button onclick="jixu()">继续</button></div>
    </div>
  </div>
</div>
<script type="text/javascript">
//获得主界面
var mainDiv=document.getElementById("maindiv");
//获得开始界面
var startdiv=document.getElementById("startdiv");
//获得游戏中分数显示界面
var scorediv=document.getElementById("scorediv");
//获得分数界面
var scorelabel=document.getElementById("label");
//获得暂停界面
var suspenddiv=document.getElementById("suspenddiv");
//获得游戏结束界面
var enddiv=document.getElementById("enddiv");
//获得游戏结束后分数统计界面
var planscore=document.getElementById("planscore");
//初始化分数
var scores=0;
 
/*
 创建飞机类
 */
function plan(hp,X,Y,sizeX,sizeY,score,dietime,sudu,boomimage,imagesrc){
  this.planX=X;
  this.planY=Y;
  this.imagenode=null;
  this.planhp=hp;
  this.planscore=score;
  this.plansizeX=sizeX;
  this.plansizeY=sizeY;
  this.planboomimage=boomimage;
  this.planisdie=false;
  this.plandietimes=0;
  this.plandietime=dietime;
  this.plansudu=sudu;
//行为
  /*
   移动行为
   */
  this.planmove=function(){
    if(scores<=50000){
      this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+"px";
    }
    else if(scores>50000&&scores<=100000){
      this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+1+"px";
    }
    else if(scores>100000&&scores<=150000){
      this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+2+"px";
    }
    else if(scores>150000&&scores<=200000){
      this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+3+"px";
    }
    else if(scores>200000&&scores<=300000){
      this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+4+"px";
    }
    else{
      this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+5+"px";
    }
  }
  this.init=function(){
    this.imagenode=document.createElement("img");
    this.imagenode.style.left=this.planX+"px";
    this.imagenode.style.top=this.planY+"px";
    this.imagenode.src=imagesrc;
    mainDiv.appendChild(this.imagenode);
  }
  this.init();
}
 
/*
 创建子弹类
 */
function bullet(X,Y,sizeX,sizeY,imagesrc){
  this.bulletX=X;
  this.bulletY=Y;
  this.bulletimage=null;
  this.bulletattach=1;
  this.bulletsizeX=sizeX;
  this.bulletsizeY=sizeY;
//行为
  /*
   移动行为
   */
  this.bulletmove=function(){
    this.bulletimage.style.top=this.bulletimage.offsetTop-20+"px";
  }
  this.init=function(){
    this.bulletimage=document.createElement("img");
    this.bulletimage.style.left= this.bulletX+"px";
    this.bulletimage.style.top= this.bulletY+"px";
    this.bulletimage.src=imagesrc;
    mainDiv.appendChild(this.bulletimage);
  }
  this.init();
}
 
/*
 创建单行子弹类
 */
function oddbullet(X,Y){
  bullet.call(this,X,Y,6,14,"../image/bullet1.png");
}
 
/*
 创建敌机类
 */
function enemy(hp,a,b,sizeX,sizeY,score,dietime,sudu,boomimage,imagesrc){
  plan.call(this,hp,random(a,b),-100,sizeX,sizeY,score,dietime,sudu,boomimage,imagesrc);
}
//产生min到max之间的随机数
function random(min,max){
  return Math.floor(min+Math.random()*(max-min));
}
 
/*
 创建本方飞机类
 */
function ourplan(X,Y){
  var imagesrc="../image/我的飞机.gif";
  plan.call(this,1,X,Y,66,80,0,660,0,"../image/本方飞机爆炸.gif",imagesrc);
  this.imagenode.setAttribute('id','ourplan');
}
 
/*
 创建本方飞机
 */
var selfplan=new ourplan(120,485);
//移动事件
var ourPlan=document.getElementById('ourplan');
var yidong=function(){
  var oevent=window.event||arguments[0];
  var chufa=oevent.srcElement||oevent.target;
  var selfplanX=oevent.clientX-500;
  var selfplanY=oevent.clientY;
  ourPlan.style.left=selfplanX-selfplan.plansizeX/2+"px";
  ourPlan.style.top=selfplanY-selfplan.plansizeY/2+"px";
//  document.getElementsByTagName('img')[0].style.left=selfplanX-selfplan.plansizeX/2+"px";
//  document.getElementsByTagName('img')[0]..style.top=selfplanY-selfplan.plansizeY/2+"px";
}
/*
 暂停事件
 */
var number=0;
var zanting=function(){
  if(number==0){
    suspenddiv.style.display="block";
    if(document.removeEventListener){
      mainDiv.removeEventListener("mousemove",yidong,true);
      bodyobj.removeEventListener("mousemove",bianjie,true);
    }
    else if(document.detachEvent){
      mainDiv.detachEvent("onmousemove",yidong);
      bodyobj.detachEvent("onmousemove",bianjie);
    }
    clearInterval(set);
    number=1;
  }
  else{
    suspenddiv.style.display="none";
    if(document.addEventListener){
      mainDiv.addEventListener("mousemove",yidong,true);
      bodyobj.addEventListener("mousemove",bianjie,true);
    }
    else if(document.attachEvent){
      mainDiv.attachEvent("onmousemove",yidong);
      bodyobj.attachEvent("onmousemove",bianjie);
    }
    set=setInterval(start,20);
    number=0;
  }
}
//判断本方飞机是否移出边界,如果移出边界,则取消mousemove事件,反之加上mousemove事件
var bianjie=function(){
  var oevent=window.event||arguments[0];
  var bodyobjX=oevent.clientX;
  var bodyobjY=oevent.clientY;
  if(bodyobjX<505||bodyobjX>815||bodyobjY<0||bodyobjY>568){
    if(document.removeEventListener){
      mainDiv.removeEventListener("mousemove",yidong,true);
    }
    else if(document.detachEvent){
      mainDiv.detachEvent("onmousemove",yidong);
    }
  }
  else{
    if(document.addEventListener){
      mainDiv.addEventListener("mousemove",yidong,true);
    }
    else if(document.attachEvent){
      mainDiv.attachEvent("nomousemove",yidong);
    }
  }
}
//暂停界面重新开始事件
//function chongxinkaishi(){
//  location.reload(true);
//  startdiv.style.display="none";
//  maindiv.style.display="block";
//}
var bodyobj=document.getElementsByTagName("body")[0];
if(document.addEventListener){
  //为本方飞机添加移动和暂停
  mainDiv.addEventListener("mousemove",yidong,true);
  //为本方飞机添加暂停事件
  selfplan.imagenode.addEventListener("click",zanting,true);
  //为body添加判断本方飞机移出边界事件
  bodyobj.addEventListener("mousemove",bianjie,true);
  //为暂停界面的继续按钮添加暂停事件
  suspenddiv.getElementsByTagName("button")[0].addEventListener("click",zanting,true);
//  suspenddiv.getElementsByTagName("button")[1].addEventListener("click",chongxinkaishi,true);
  //为暂停界面的返回主页按钮添加事件
  suspenddiv.getElementsByTagName("button")[2].addEventListener("click",jixu,true);
}
else if(document.attachEvent){
  //为本方飞机添加移动
  mainDiv.attachEvent("onmousemove",yidong);
  //为本方飞机添加暂停事件
  selfplan.imagenode.attachEvent("onclick",zanting);
  //为body添加判断本方飞机移出边界事件
  bodyobj.attachEvent("onmousemove",bianjie);
  //为暂停界面的继续按钮添加暂停事件
  suspenddiv.getElementsByTagName("button")[0].attachEvent("onclick",zanting);
//  suspenddiv.getElementsByTagName("button")[1].attachEvent("click",chongxinkaishi,true);
  //为暂停界面的返回主页按钮添加事件
  suspenddiv.getElementsByTagName("button")[2].attachEvent("click",jixu,true);
}
//初始化隐藏本方飞机
selfplan.imagenode.style.display="none";
 
/*
 敌机对象数组
 */
var enemys=[];
 
/*
 子弹对象数组
 */
var bullets=[];
var mark=0;
var mark1=0;
var backgroundPositionY=0;
/*
 开始函数
 */
function start(){
  mainDiv.style.backgroundPositionY=backgroundPositionY+"px";
  backgroundPositionY+=0.5;
  if(backgroundPositionY==568){
    backgroundPositionY=0;
  }
  mark++;
  /*
   创建敌方飞机
   */
 
  if(mark==20){
    mark1++;
    //中飞机
    if(mark1%5==0){
      enemys.push(new enemy(6,25,274,46,60,5000,360,random(1,3),"../image/中飞机爆炸.gif","../image/enemy3_fly_1.png"));
    }
    //大飞机
    if(mark1==20){
      enemys.push(new enemy(12,57,210,110,164,30000,540,1,"../image/大飞机爆炸.gif","../image/enemy2_fly_1.png"));
      mark1=0;
    }
    //小飞机
    else{
      enemys.push(new enemy(1,19,286,34,24,1000,360,random(1,4),"../image/小飞机爆炸.gif","../image/enemy1_fly_1.png"));
    }
    mark=0;
  }
 
  /*
   移动敌方飞机
   */
  var enemyslen=enemys.length;
  for(var i=0;i<enemyslen;i++){
    if(enemys[i].planisdie!=true){
      enemys[i].planmove();
    }
    /*
     如果敌机超出边界,删除敌机
     */
    if(enemys[i].imagenode.offsetTop>568){
      mainDiv.removeChild(enemys[i].imagenode);
      enemys.splice(i,1);
      enemyslen--;
    }
    //当敌机死亡标记为true时，经过一段时间后清除敌机
    if(enemys[i].planisdie==true){
      enemys[i].plandietimes+=20;
      if(enemys[i].plandietimes==enemys[i].plandietime){
        mainDiv.removeChild(enemys[i].imagenode);
        enemys.splice(i,1);
        enemyslen--;
      }
    }
  }
 
  /*
   创建子弹
   */
  if(mark%5==0){
    bullets.push(new oddbullet(parseInt(selfplan.imagenode.style.left)+31,parseInt(selfplan.imagenode.style.top)-10));
  }
 
  /*
   移动子弹
   */
  var bulletslen=bullets.length;
  for(var i=0;i<bulletslen;i++){
    bullets[i].bulletmove();
    /*
     如果子弹超出边界,删除子弹
     */
    if(bullets[i].bulletimage.offsetTop<0){
      mainDiv.removeChild(bullets[i].bulletimage);
      bullets.splice(i,1);
      bulletslen--;
    }
  }
 
  /*
   碰撞判断
   */
  for(var k=0;k<bulletslen;k++){
    for(var j=0;j<enemyslen;j++){
      //判断碰撞本方飞机
      if(enemys[j].planisdie==false){
        if(enemys[j].imagenode.offsetLeft+enemys[j].plansizeX>=selfplan.imagenode.offsetLeft&&enemys[j].imagenode.offsetLeft<=selfplan.imagenode.offsetLeft+selfplan.plansizeX){
          if(enemys[j].imagenode.offsetTop+enemys[j].plansizeY>=selfplan.imagenode.offsetTop+40&&enemys[j].imagenode.offsetTop<=selfplan.imagenode.offsetTop-20+selfplan.plansizeY){
            //碰撞本方飞机，游戏结束，统计分数
            selfplan.imagenode.src="../image/本方飞机爆炸.gif";
            enddiv.style.display="block";
            planscore.innerHTML=scores;
            if(document.removeEventListener){
              mainDiv.removeEventListener("mousemove",yidong,true);
              bodyobj.removeEventListener("mousemove",bianjie,true);
            }
            else if(document.detachEvent){
              mainDiv.detachEvent("onmousemove",yidong);
              bodyobj.removeEventListener("mousemove",bianjie,true);
            }
            clearInterval(set);
          }
        }
        //判断子弹与敌机碰撞
        if((bullets[k].bulletimage.offsetLeft+bullets[k].bulletsizeX>enemys[j].imagenode.offsetLeft)&&(bullets[k].bulletimage.offsetLeft<enemys[j].imagenode.offsetLeft+enemys[j].plansizeX)){
          if(bullets[k].bulletimage.offsetTop<=enemys[j].imagenode.offsetTop+enemys[j].plansizeY&&bullets[k].bulletimage.offsetTop+bullets[k].bulletsizeY>=enemys[j].imagenode.offsetTop){
            //敌机血量减子弹攻击力
            enemys[j].planhp=enemys[j].planhp-bullets[k].bulletattach;
            //敌机血量为0，敌机图片换为爆炸图片，死亡标记为true，计分
            if(enemys[j].planhp==0){
              scores=scores+enemys[j].planscore;
              scorelabel.innerHTML=scores;
              enemys[j].imagenode.src=enemys[j].planboomimage;
              enemys[j].planisdie=true;
            }
            //删除子弹
            mainDiv.removeChild(bullets[k].bulletimage);
            bullets.splice(k,1);
            bulletslen--;
            break;
          }
        }
      }
    }
  }
}
/*
 开始游戏按钮点击事件
 */
var set;
function begin(){
 
  startdiv.style.display="none";
  mainDiv.style.display="block";
  selfplan.imagenode.style.display="block";
  scorediv.style.display="block";
  /*
   调用开始函数
   */
  set=setInterval(start,20);
}
//游戏结束后点击继续按钮事件
function jixu(){
  location.reload(true);
}
</script>
</body>
</html>
以上所述就是本文的全部内容了，希望大家能够喜欢。