本文实例为大家分享了js+css实现飞机大战游戏的具体代码,供大家参考,具体内容如下
用js和css实现,css中定义样式,js中定义了具体的实现事件,例如碰撞、子弹、飞机等。
main.css文件(可根据需要定义):
*{ margin: 0; padding: 0; } #contentdiv{ position: absolute; left: 500px; } #startdiv{ width: 320px; height: 568px; background-image: url(../image/ks.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; }
main.js:
//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/my.gif"; plan.call(this,1,x,y,66,80,0,660,0,"image/bz.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/zz.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/dd.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/xx.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)+1,parseint(selfplan.imagenode.style.top)-10)); bullets.push(new oddbullet(parseint(selfplan.imagenode.style.left)+11,parseint(selfplan.imagenode.style.top)-10)); bullets.push(new oddbullet(parseint(selfplan.imagenode.style.left)+21,parseint(selfplan.imagenode.style.top)-10)); bullets.push(new oddbullet(parseint(selfplan.imagenode.style.left)+31,parseint(selfplan.imagenode.style.top)-10)); bullets.push(new oddbullet(parseint(selfplan.imagenode.style.left)+41,parseint(selfplan.imagenode.style.top)-10)); bullets.push(new oddbullet(parseint(selfplan.imagenode.style.left)+51,parseint(selfplan.imagenode.style.top)-10)); bullets.push(new oddbullet(parseint(selfplan.imagenode.style.left)+61,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/bz.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); } /* 完成界面的初始化 敌方小飞机一个 我方飞机一个 */
实现界面:
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