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第四章 微信飞机大战
阅读量:4133 次
发布时间:2019-05-25

本文共 10990 字,大约阅读时间需要 36 分钟。


微信打飞机的游戏前段时间曾风靡一时,这一章再贴一款游戏,网上有人实现的不错,特此贴上他的代码,代码注释比较齐全,里面没有很难理解的算法,之所以加这一章,是因为我们在写代码时不仅要实现(即算法),更多的时候要求的是算法的质量。鉴于这款游戏复杂度不高,实现较容易,看一看大牛人的实现代码,有很大的借鉴意义,将主体代码贴上,
文件下载:
 
/** * Created with JetBrains WebStorm. * User: F-03-04 * Date: 13-12-25 * Time: 上午10:33 * 完成游戏主界面逻辑控制 */    //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
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
=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.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);}/* 完成界面的初始化 敌方小飞机一个 我方飞机一个 */

王川
2014/02/16

转载地址:http://hdvvi.baihongyu.com/

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