今天小编给大家分享一下基于js如何实现飞机大战游戏的相关知识点,内容详细,逻辑清晰,相信大部分人都还太了解这方面的知识,所以分享这篇文章给大家参考一下,希望大家阅读完这篇文章后有所收获,下面我们一起来了解一下吧。演示技术栈(function
今天小编给大家分享一下基于js如何实现飞机大战游戏的相关知识点,内容详细,逻辑清晰,相信大部分人都还太了解这方面的知识,所以分享这篇文章给大家参考一下,希望大家阅读完这篇文章后有所收获,下面我们一起来了解一下吧。
(function() { const str = "abchelloasdasdhelloasd"; // 1. 查找 console.log(str.search("h")); // 3 // 2. 替换 console.log(str.replace(/a/, "s")); // sbchelloasdasdhelloasd // 3. 切割 console.log(str.split(/ab/)); // ["", "bchello", "sd", "sdhello", "sd"] // 4. RegExp.prototype.test方法:检测该字符串是否包含指定串 console.log(/hello/.test("abchello")); // true // 5. RegExp.prototype.exec方法:将满足条件的字符串放到数组 let reg=/hello/g; reg.exec("abchelloasdasdhelloasd"); // ["hello"]}());
<div id='box'></div>
//敌方战机'enemy' : function(){var oEnemy = Game.ctE('img');oEnemy.src='images/enemy.png';oEnemy.className='enemy';Game.box.appendChild(oEnemy);var left = Math.random()*(Game.box.clientWidth-Game.getstyle(oEnemy,'width')/2);var top = Game.getstyle(oEnemy,'top');oEnemy.style.left=left+'px';oEnemy.timer=setInterval(function(){top+=3;oEnemy.style.top=top+'px';if(top>Game.box.clientHeight){clearInterval(oEnemy.tiamr);if(!oEnemy.parentnode){return;}else{oEnemy.parentNode.removeChild(oEnemy);};}else{var allB = Game.getclass(Game.box,'img','bullet');for(var i=0;i<allB.length;i++){if(Game.pz(oEnemy,allB[i])){allB[i].parentNode.removeChild(allB[i]);oEnemy.src='images/boom.png';clearInterval(oEnemy.timer);setTimeout(function(){if(!oEnemy.parentNode){return;}else{oEnemy.parentNode.removeChild(oEnemy);};},500);Game.num+=10;Game.oScore.innerhtml=Game.num+'分';Game.fenshu=Game.oScore.innerHTML;};};if(Game.pz(oEnemy,Game.oPlane)){oEnemy.src='images/boom.png';clearInterval(oEnemy.timer);setTimeout(function(){if(!oEnemy.parentNode){return;}else{oEnemy.parentNode.removeChild(oEnemy);};},500);Game.oPlane.src='images/boom2.png';clearInterval(Game.bTimer);clearInterval(Game.start.timer);document.onmousemove=null;setTimeout(function(){Game.over();},3000);};};},30);},
'plane' : function(ev,t,c){Game.box.appendChild(Game.oPlane);var bT = Game.box.offsetTop + Game.oPlane.clientHeight/2 + (Game.box.offsetHeight-Game.getstyle(Game.box,'height'))/2;var bL = Game.box.offsetLeft + Game.oPlane.clientWidth/2 + (Game.box.offsetWidth-Game.getstyle(Game.box,'width'))/2;var top = ev.pageY - bT;var left = ev.pageX - bL;Game.oPlane.style.CSSText='top:'+top+'px;left:'+left+'px;';var topMax = Game.getstyle(Game.box,'height')-Game.oPlane.clientHeight/2;var leftMin = -Game.oPlane.clientWidth/2;var leftMax = Game.getstyle(Game.box,'width')-Game.oPlane.clientWidth/2;document.onmousemove = function(ev){ev = ev||event;top = ev.pageY - bT;left = ev.pageX - bL;if(top<0){top=0;}else if(top>topMax){top = topMax;};if(left<leftMin){left = leftMin;}else if(left>leftMax){left = leftMax;};Game.oPlane.style.cssText='top:'+top+'px;left:'+left+'px;';};Game.bTimer=setInterval(function(){Game.bullet(top,left,c);},t);},
//碰撞检测'pz' : function(obj1,obj2){var T1 = Game.getstyle(obj1,'top');var B1 = T1+Game.getstyle(obj1,'height');var L1 = Game.getstyle(obj1,'left');var R1 = L1+Game.getstyle(obj1,'width');var T2 = Game.getstyle(obj2,'top');var B2 = T2+Game.getstyle(obj2,'height');var L2 = Game.getstyle(obj2,'left');var R2 = L2+Game.getstyle(obj2,'width');if(T1>B2||L1>R2||B1<T2||R1<L2){return false;}else{return true;};},
以上就是“基于JS如何实现飞机大战游戏”这篇文章的所有内容,感谢各位的阅读!相信大家阅读完这篇文章都有很大的收获,小编每天都会为大家更新不同的知识,如果还想学习更多的知识,请关注编程网精选频道。
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