JS 連鎖泡泡 v1.1

更新時(shí)間：2009年09月28日 17:04:44 作者：

前幾天在朋友的iPhone上面玩了一個(gè)連鎖泡泡游戲，頭腦發(fā)熱就想用js寫一個(gè)。

泡泡的移動(dòng)，碰撞，消失都完成了，越寫越覺得沒意思，后面的關(guān)于游戲性的東西（比如游戲有多少關(guān)，打破多少泡泡算過關(guān)）就懶得寫了。有興趣的朋友可以讀一下，因?yàn)楹芏嗟胤接玫介]包修正setInterval(這個(gè)函數(shù)比較賤)。面向?qū)ο螅⑨尡容^完整。

<html> <head> <title>原創(chuàng)JS連鎖泡泡 v1.1</title> <style>      body{ margin: 0px; padding: 0px; background-color: #000; } #main{ border: solid red 0px; width: 800px; height: 600px; font-size: 48px; position: absolute; background-color: #fff; } .little{ height: 15px; width: 15px; font-size: 1px; border: solid #ccc 0px; position: absolute; left: 100px; top: 100px; background: url(/upload/20090928170442418.gif) no-repeat; filter: alpha(opacity=30); } .big{ height: 61px; width: 61px; font-size: 9pt; border: solid #ccc 0px; position: absolute; left: 0px; top: 0px; background: url(/upload/20090928170442175.gif) no-repeat; /**使顯示的分?jǐn)?shù)居中**/ line-height: 61px; color: #fff; filter: alpha(opacity=30); } #info{         position: absolute;         left: 820px;         top 20px;         border: solid #fff 1px;         height: 600px;         width: 300px;         color: #fff;         padding: 5px; } #score{         float: right;         border: solid #ccc 1px;         height: 10px;         width: 80px;         margin: 5px;         font-size: 30px; } </style> </head> <body> <div   class="jyt2oj7"   id="main">         <div   class="ut7ev2e"   id="score">0</div> </div> <div   class="dskykcy"   id="info">          原創(chuàng)JS連鎖泡泡 v1.1          原創(chuàng)作者 sunxing007          轉(zhuǎn)載請(qǐng)務(wù)必注明來自：          <a href="http://blog.csdn.net/sunxing007">http://blog.csdn.net/sunxing007</a>          開發(fā)環(huán)境：IE8 暫時(shí)沒有考慮兼容性            </div> </body> </html> <script type="text/javascript">      /*******************************************************      * 原創(chuàng)JS連鎖泡泡 v1.1      * 原創(chuàng)作者 sunxing007      * 轉(zhuǎn)載請(qǐng)務(wù)必注明來自：http://blog.csdn.net/sunxing007      *******************************************************/ var doc = document; function $(id){return doc.getElementById(id)}; var container = $('main'); var score_ele = $('score'); try{         //針對(duì)ie6緩存背景圖          document.execCommand("BackgroundImageCache", false, true);         }catch(e){alert(e)}; /*******************************************************/ //系統(tǒng)參數(shù) //小泡泡半徑 var little_radius = 7; //爆炸后的泡泡半徑 var big_radius = 30; //半徑差 var delta_radius = big_radius - little_radius; //容器寬度 var container_width = 800; //容器高度 var container_height = 600; //與定義的泡泡移動(dòng)的4個(gè)方向 //[x,y]代表x方向的增量和y方向的增量，也就確定了移動(dòng)方向 var direct = [[1,1],[1,-1],[-1,1],[-1,-1]]; //爆炸后的泡泡集合 var chained_bubbles = []; //所有的泡泡 方便管理 var all_bubbles = []; /*****************************************************/ //泡泡模型 function Bubble(left, top, bgPos, score, dirIndex){ var ele = doc.createElement('div'); ele.align = 'center'; ele.className = 'little'; ele.style.left = left + 'px'; ele.style.top = top + 'px'; this.bgPos = bgPos; ele.style.backgroundPositionX = -bgPos*(little_radius*2+1); this.element = ele; ele.bubble = this; this.score = score; this.exploded = false; this.dirIndex = dirIndex; this.container.appendChild(ele); this.container.onclick = function(){         if(window.curBubble){                 //curBubble.distroy.apply(curBubble);                 chained_bubbles.push(curBubble);                 curBubble.explode.apply(curBubble);                 curBubble.container.onclick = null;         } } ele.onmouseover = function(){         this.style.filter = 'alpha(opacity=100)';         window.curBubble = ele.bubble;          } ele.onmouseout = function(){         this.style.filter = 'alpha(opacity=30)'; } } Bubble.prototype = {         //容器的引用      container: $('main'),      //移動(dòng)泡泡 move: function(){              if(chained_bubbles.length>0){                      for(var i=0; i<chained_bubbles.length; i++){                              if(this.crushed(chained_bubbles[i])){                                      this.explode();                              }                          }                  } var _self = this; //連續(xù)移動(dòng)泡泡的函數(shù)，因?yàn)橐玫絪etInterval, //所以這個(gè)函數(shù)作成閉包 var _f = function(){      if(chained_bubbles.length>0){                              for(var i=0; i<chained_bubbles.length; i++){                                      if(this.crushed(chained_bubbles[i])){                                              this.explode();                                              break;                                      }                                  }                          }         var l = parseInt(this.element.style.left) + direct[this.dirIndex][0];         var t = parseInt(this.element.style.top) + direct[this.dirIndex][1];         //status = 'l:' + l + " t:" + t;         if(this.checkBorder(l, t)){          this.element.style.left = l;          this.element.style.top = t;     }     else{             //this.stop();             this.changeDirect();     } } this.timer = setInterval(function(){ _f.apply(_self); //移動(dòng)速度 }, 10) }, //停止移動(dòng) stop: function(){         clearInterval(this.timer); }, //邊界檢查 看泡泡有沒有超出容器 checkBorder: function(l, t){         if(l>(container_width-big_radius-1-little_radius)||l<(big_radius-little_radius)||t>(container_height-big_radius-1-little_radius)||t<(big_radius-little_radius)){                 return false;             }         return true; }, //碰壁后改變泡泡的移動(dòng)方向 changeDirect: function(){         var _l = parseInt(this.element.style.left);         var _t = parseInt(this.element.style.top);         for(var i=1; i<=4; i++){              if(direct[this.dirIndex][0]==-direct[(i+this.dirIndex)%4][0]&&direct[this.dirIndex][1]==-direct[(i+this.dirIndex)%4][1]){                      continue;              }                 var l = _l + direct[(i+this.dirIndex)%4][0];                 var t = _t + direct[(i+this.dirIndex)%4][1];                 if(this.checkBorder(l, t)){                         this.dirIndex = (i+this.dirIndex)%4;                         break;                 }                 else{                      continue;                     }         } }, //泡泡爆炸 explode: function(){         this.stop();         this.element.style.left = parseInt(this.element.style.left) - delta_radius;         this.element.style.top = parseInt(this.element.style.top) - delta_radius;         this.element.className = 'big';         this.element.style.backgroundPositionX = - this.bgPos*(big_radius*2+1);         this.element.innerText = this.score;         this.exploded = true;         score_ele.innerText = parseInt(score_ele.innerText) + this.score;         chained_bubbles.push(this);         this.fade.apply(this); }, /**是否和另外一個(gè)已經(jīng)爆炸的泡泡碰撞了**/ crushed: function(other){         if(!other.exploded){                 return false;             }         if(!other.element) return false;         var l = parseInt(other.element.style.left);         var t = parseInt(other.element.style.top);         var w = big_radius*2-8;//big_radius*2+1;         var h = w;         var pt = [,,,];         pt[0] = [parseInt(this.element.style.left) - delta_radius, parseInt(this.element.style.top) - delta_radius];         pt[1] = [pt[0][0]+w,pt[0][1]];         pt[2] = [pt[0][0]+w,pt[0][1]+h];         pt[3] = [pt[0][0],pt[0][1]+h];         for(var i=0; i<4; i++){                 if(pt[i][0]>l&&pt[i][1]>t&&pt[i][0]<=(l+w)&&pt[i][1]<=(t+h)){                     return true;                 }         }         return false; }, //爆炸的泡泡逐漸消失 fade: function(){         var _self = this;         var opacity = 28;         var _f = function(){                 this.element.style.filter = 'alpha(opacity=' + (opacity-2) + ')';                 opacity -=2;                 if(opacity==0){                         this.distroy();                 }         };         this.timer = setInterval(function(){                 _f.apply(_self);         }, 200); }, //析構(gòu)方法 因?yàn)閷?duì)象中很多地方涉及對(duì)象相互引用 //需要在析構(gòu)函數(shù)中消除環(huán)形引用，以防內(nèi)存泄露 distroy: function(){         if(this.timer){                 clearInterval(this.timer);         }         for(var j=0; j<chained_bubbles.length; j++){                 //if(chained_bubbles[j]==null) continue;                 if(chained_bubbles[j]===this){                         chained_bubbles.splice(j, 1);                         //chained_bubbles[j] = null;                         status = 'distroyed from chained_bubbles[' + j + ']';                         break;                 }         }         for(var i=0; i<all_bubbles.length; i++){                 if(!all_bubbles[i].element){                         all_bubbles.splice(i, 1);                 }                 if(all_bubbles[i]===this){                         all_bubbles.splice(i, 1);                         status = 'distroyed from all_bubbles[' + i + ']';                         break;                 }         }         var _e = this.element;         this.element = null;         _e.onclick = null;         _e.onmouseover = null;         _e.onmouseout = null;         _e.bubble = null;         var _c = this.container;         this.container = null;         _c.removeChild(_e);          } } //工廠方法 創(chuàng)造泡泡 function createBubble(){ var left = Math.floor(Math.random()*710) + 31; var top = Math.floor(Math.random()*510) + 31; var bgIndex = Math.floor(Math.random()*6); var score = Math.floor(Math.random()*10) * 50; var dirIndex = Math.floor(Math.random()*4) var b = new Bubble(left, top, bgIndex, score, dirIndex); all_bubbles.push[b]; return b; } createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); createBubble().move(); /******************************************************* * 原創(chuàng)JS連鎖泡泡 v1.1 * 原創(chuàng)作者 sunxing007 * 轉(zhuǎn)載請(qǐng)務(wù)必注明來自：http://blog.csdn.net/sunxing007 *******************************************************/ </script>

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轉(zhuǎn)載請(qǐng)務(wù)必注明來自：http://blog.csdn.net/sunxing007