js實現飛機大戰小游戲
本文實例為大家分享了js實現飛機大戰游戲的具體代碼，供大家參考，具體內容如下
1.html代碼
<html><head><title></title><meta http-equiv='content' content='text/html' charset='utf-8'/><link rel='stylesheet' type='text/css' href='http://www.hdgsjgj.cn/bcjs/css/main.css' /></head> <body><div id='contentdiv'><div id='startdiv'><button οnclick='begin()'>開始游戲</button></div><div id='maindiv'><div id='scorediv'><label>分數：</label><label id='label'>0</label></div><div id='suspenddiv'><button>繼續</button><br/><button>重新開始</button><br/><button>回到主頁</button></div><div id='enddiv'><p>飛機大戰分數</p><p id='planscore'>0</p><div><button οnclick='jixu()'>繼續</button></div></div></div></div><script type='text/javascript' src='http://www.hdgsjgj.cn/bcjs/js/main.js'></script></body></html>
2.js主要代碼
//獲得主界面var mainDiv=document.getElementById('maindiv');//獲得開始界面var startdiv=document.getElementById('startdiv');//獲得游戲中分數顯示界面var scorediv=document.getElementById('scorediv');//獲得分數界面var scorelabel=document.getElementById('label');//獲得暫停界面var suspenddiv=document.getElementById('suspenddiv');//獲得游戲結束界面var enddiv=document.getElementById('enddiv');//獲得游戲結束后分數統計界面var planscore=document.getElementById('planscore');//初始化分數var scores=0; /*創建飛機類*/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;//行為/*移動行為*/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();} /*創建子彈類*/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;//行為/*移動行為*/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();} /*創建單行子彈類*/function oddbullet(X,Y){bullet.call(this,X,Y,6,14,'image/bullet1.png');} /*創建敵機類*/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);}//產生min到max之間的隨機數function random(min,max){return Math.floor(min+Math.random()*(max-min));} /*創建本方飛機類*/function ourplan(X,Y){var imagesrc='image/我的飛機.gif';plan.call(this,1,X,Y,66,80,0,660,0,'image/本方飛機爆炸.gif',imagesrc);this.imagenode.setAttribute(’id’,’ourplan’);} /*創建本方飛機*/var selfplan=new ourplan(120,485);//移動事件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';}/*暫停事件*/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;}}//判斷本方飛機是否移出邊界,如果移出邊界,則取消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);}}}//暫停界面重新開始事件//function chongxinkaishi(){// location.reload(true);// startdiv.style.display='none';// maindiv.style.display='block';//}var bodyobj=document.getElementsByTagName('body')[0];if(document.addEventListener){//為本方飛機添加移動和暫停mainDiv.addEventListener('mousemove',yidong,true);//為本方飛機添加暫停事件selfplan.imagenode.addEventListener('click',zanting,true);//為body添加判斷本方飛機移出邊界事件bodyobj.addEventListener('mousemove',bianjie,true);//為暫停界面的繼續按鈕添加暫停事件suspenddiv.getElementsByTagName('button')[0].addEventListener('click',zanting,true);// suspenddiv.getElementsByTagName('button')[1].addEventListener('click',chongxinkaishi,true);//為暫停界面的返回主頁按鈕添加事件suspenddiv.getElementsByTagName('button')[2].addEventListener('click',jixu,true);}else if(document.attachEvent){//為本方飛機添加移動mainDiv.attachEvent('onmousemove',yidong);//為本方飛機添加暫停事件selfplan.imagenode.attachEvent('onclick',zanting);//為body添加判斷本方飛機移出邊界事件bodyobj.attachEvent('onmousemove',bianjie);//為暫停界面的繼續按鈕添加暫停事件suspenddiv.getElementsByTagName('button')[0].attachEvent('onclick',zanting);// suspenddiv.getElementsByTagName('button')[1].attachEvent('click',chongxinkaishi,true);//為暫停界面的返回主頁按鈕添加事件suspenddiv.getElementsByTagName('button')[2].attachEvent('click',jixu,true);}//初始化隱藏本方飛機selfplan.imagenode.style.display='none'; /*敵機對象數組*/var enemys=[]; /*子彈對象數組*/var bullets=[];var mark=0;var mark1=0;var backgroundPositionY=0;/*開始函數*/function start(){mainDiv.style.backgroundPositionY=backgroundPositionY+'px';backgroundPositionY+=0.5;if(backgroundPositionY==568){backgroundPositionY=0;}mark++;/*創建敵方飛機*/ if(mark==20){mark1++;//中飛機if(mark1%5==0){enemys.push(new enemy(6,25,274,46,60,5000,360,random(1,3),'image/中飛機爆炸.gif','image/enemy3_fly_1.png'));}//大飛機if(mark1==20){enemys.push(new enemy(12,57,210,110,164,30000,540,1,'image/大飛機爆炸.gif','image/enemy2_fly_1.png'));mark1=0;}//小飛機else{enemys.push(new enemy(1,19,286,34,24,1000,360,random(1,4),'image/小飛機爆炸.gif','image/enemy1_fly_1.png'));}mark=0;} /*移動敵方飛機*/var enemyslen=enemys.length;for(var i=0;i<enemyslen;i++){if(enemys[i].planisdie!=true){enemys[i].planmove();}/*如果敵機超出邊界,刪除敵機*/if(enemys[i].imagenode.offsetTop>568){mainDiv.removeChild(enemys[i].imagenode);enemys.splice(i,1);enemyslen--;}//當敵機死亡標記為true時，經過一段時間后清除敵機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--;}}} /*創建子彈*/if(mark%5==0){bullets.push(new oddbullet(parseInt(selfplan.imagenode.style.left)+31,parseInt(selfplan.imagenode.style.top)-10));} /*移動子彈*/var bulletslen=bullets.length;for(var i=0;i<bulletslen;i++){bullets[i].bulletmove();/*如果子彈超出邊界,刪除子彈*/if(bullets[i].bulletimage.offsetTop<0){mainDiv.removeChild(bullets[i].bulletimage);bullets.splice(i,1);bulletslen--;}} /*碰撞判斷*/for(var k=0;k<bulletslen;k++){for(var j=0;j<enemyslen;j++){//判斷碰撞本方飛機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){//碰撞本方飛機，游戲結束，統計分數selfplan.imagenode.src='http://www.hdgsjgj.cn/bcjs/image/本方飛機爆炸.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);}}//判斷子彈與敵機碰撞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){//敵機血量減子彈攻擊力enemys[j].planhp=enemys[j].planhp-bullets[k].bulletattach;//敵機血量為0，敵機圖片換為爆炸圖片，死亡標記為true，計分if(enemys[j].planhp==0){scores=scores+enemys[j].planscore;scorelabel.innerHTML=scores;enemys[j].imagenode.src=enemys[j].planboomimage;enemys[j].planisdie=true;}//刪除子彈mainDiv.removeChild(bullets[k].bulletimage);bullets.splice(k,1);bulletslen--;break;}}}}}}/*開始游戲按鈕點擊事件*/var set;function begin(){ startdiv.style.display='none';mainDiv.style.display='block';selfplan.imagenode.style.display='block';scorediv.style.display='block';/*調用開始函數*/set=setInterval(start,20);}//游戲結束后點擊繼續按鈕事件function jixu(){location.reload(true);} /*完成界面的初始化敵方小飛機一個我方飛機一個*/
3.css樣式
*{margin: 0;padding: 0;}#contentdiv{position: absolute;left: 500px;}#startdiv{width: 320px;height: 568px;background-image: url(../image/開始背景.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;}
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以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持好吧啦網。
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