原生js实现一个坦克大战游戏代码-html代码-BFW代码库

代码语言：html
所属分类：游戏
代码描述：原生js实现一个坦克大战游戏代码
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        *{
      margin: 0;
      padding: 0;
    }
    body{
      max-width: 500px;
      height: 60vh;
      overflow: hidden;
      position: relative;
      border: 1px solid red;
      margin: 0 auto;
    }
    .tank,.enemy{
      width: 16px;
      height: 16px;
      background-color: rgb(66, 218, 104);
      position: relative;
      position: absolute;
      top:calc(100% - 35px);
      left: 0;
      transform: rotate(0);
    }
    .tank .tube,.enemy .enemy-tube{
      width: 5px;
      height: 30%;
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      top: -30%;
      background-color: rgb(66, 218, 104);
    }
    .cannonball{
      width: 3px;
      height: 3px;
      position: absolute;
      background-color: rgb(255, 0, 0);
    }
    .background{
      width: 100%;
      height: 100%;
      border-collapse: collapse;
      background-color: orange;
    }
    .background tr{
      width: 100%;
    }
    .background tr td{
      background-color: #000;
      height: 10px;
      width: 10px;
      border: 3px solid transparent;
    }
    .background tr .wall{
      background-color: red;
      position: relative;
      border: 3px solid orange;
    }
    .enemy{
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      background-color: aqua;
    }
    .enemy .enemy-tube{
      background-color: aqua;
      color: transparent;
    }
    .background tr .base{
      background: rgb(11, 238, 30) ;
    }
    .background tr .Invincible{
      background: rgb(196, 196, 5) ;
    }
    .surplus{
      position: relative;
      top: 50px;
    }
    .surplus span{
      color: red;
      font-size: 20px;
    }
    </style>
</head>

<body>
    <table class="background"></table>
    <div class="tank">
        <div class="tube"></div>
    </div>
    <div class="surplus">
        剩余敌人：<span id="surplus"></span>
    </div>
    <div class="tips">
        ↑↓←→ 空格
    </div>
    <script>
        class person{
      constructor(){
        this.el={ //存放标签
          tank:document.querySelector(".tank"),
          tube:document.querySelector(".tube"),
          background:document.querySelector(".background"),
          enemyArr:[]
        },
        this.timeID={ //计时器
          walkId:0,
          launchId:0,
          EMId:0,
          EMPId:0
        },
        this.condition={ //判断条件 
          direction:"ArrowUp",
          Level:0,
          enemyDirection:"ArrowUp",
          surplus:12
        }
      }
      css(el,c1,c2){ //元素、属性、属性值
        el.style[c1]=c2;
        return this;
      }
      show(el){
        el.style.display="block"
        return this
      }
      hide(el){
        el.style.display="none"
        return this
      }
    };
    const TankBattle = new person(); //构造实例
    
    const data={  //存放一些信息
      ArrowUp:{
        name:"上",
        rotate:"rotate(0)", //旋转
        cannonball:{ //位置
          left:'(left+(width/2-2))+"px"',
          top:'(top-5) +"px"'
        }
      },
      ArrowDown:{
        name:"下",
        rotate:"rotate(180deg)",
        cannonball:{
          left:'(left+(width/2)-2)+"px"',
          top:'top+height +"px"'
        }
      },
      ArrowLeft:{
        name:"左",
        rotate:"rotate(270deg)",
        cannonball:{
          left:'left+"px"',
          top:'(top+(height/2)-2)+"px"'
        }
      },
      ArrowRight:{
        name:"右",
        rotate:"rotate(90deg)",
        cannonball:{
          left:'(left+(width))+"px"',
          top:'(top+(height/2)-2) +"px"'
        }
      },
      Wall:[
        [
           "           e  e          ",
           "           e  e          ",
           "ooooo      eeee     ooooo",
           "ooooo               ooooo",
           "                         ",
           "                         ",
           "                         ", 
           "                         ",
           "  oooo    ooooo    oooo  ",
           "  oooo    ooooo    oooo  ",
           "  oooo    ooooo    oooo  ",
           "                         ",
           "     oooooo   oooooo     ",
           "      oooo     oooo      ",
           "       oo       oo       ", 
           "    o               o    ",
           "    o    o     o    o    ",
           "ooooo    o     o    ooooo",
           "ooooo               ooooo",
           "ooooo               ooooo",
           "    o    ooooooo    o    ",
           "    o               o    ",
           "                         ",
           "                         ",
           "                         ",
           "ooooooo          oooooooo",
           "                         ",
           "          oooo           ",
           "          oxxo           ",
           "          oxxo           ",
        ]
      ]
    }
    
    const p=person.prototype;
    
    document.querySelector("#surplus").innerHTML=TankBattle.condition.surplus
    
    p.walk=function(){ //移动、事件
      let count=0, //计数，长按无效
      tank=this.el.tank,
      down=e=>{
        count++
        if(count>1) return;
        e.key===" "?this.cannonball(tank,this.direction,"own"):false;
        for(k in data){
          if(k===e.key){ //判断上下左右
            this.setInter(tank,data[k].name,12);
            this.css(tank,"transform",data[k].rotate);
            this.direction=data[k]
          };
        };
      },
      up=e=>{
        count=0;
        clearInterval(this.timeID.walkId)
      };
      document.onkeydown = down; //键盘按下
      document.onkeyup = up; //键盘抬起
    };
    
    p.setInter=function(el,post,dalay){ //移动、执行
      let {top,left,width,height}=this.position(el),
      body=this.position(document.body),
      falg=false,
      count=0;
      this.timeID.walkId=setInterval(() => {
        this.collisionDetection(document.querySelectorAll(".wall"),top,left,height,width,()=>{
          count++
          falg=true;
          if(count==1){ //每当符合条件的时候就让相应的方向-2像素，并且只减一次,防止卡死
            this.retreat(post,el,top,left)
          };
        });
        this.collisionDetection(document.querySelectorAll(".enemy"),top,left,height,width,()=>{
          falg=true;
          count++
          if(count==1){
            this.retreat(post,el,top,left)
          };
        });
        this.collisionDetection(document.querySelectorAll(".Invincible"),top,left,height,width,()=>{
          falg=true;
          count++
          if(count==1){
            this.retreat(post,el,top,left)
          };
        });
        if(falg) return ;
        if(post==="上"|| post==="下"){
          post==="上" && top>0 ? top-=1:false;
          post==="下" && top<(body.height-height) ? top+=1:false;
          this.css(el,"top",top+"px");
        }else{
          post==="左" && left>0 ? left-=1:false;
          post==="右" && left<(body.width-width) ? left+=1:false;
          this.css(el,"left",left+"px");
        };
      }, dalay);
    };
    
    p.retreat=function(post,el,top,left){ //后退
      if(post==="上"|| post==="下"){
        post==="上"? top+=3:false;
        post==="下"? top-=3:false;
        this.css(el,"top",top+"px");
      }else{
        post==="左"? left+=3:false;
        post==="右"? left-=3:false;
        this.css(el,"left",left+"px");
      };
    }
    
    p.cannonball=function(el,post,type){ //生成炮弹
      let {top,left,width,height}=this.position(el);
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