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泡泡的移動，碰撞，消失都完成了，越寫越覺得沒意思，后面的關于游戲性的東西（比如游戲有多少關，打破多少泡泡算過關）就懶得寫了。有興趣的朋友可以讀一下，因為很多地方用到閉包修正setInterval(這個函數比較賤)。面向對象，注釋比較完整。

<html> <head> <title>原創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; /**使顯示的分數居中**/ 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>          0            原創JS連鎖泡泡 v1.1          原創作者 sunxing007          轉載請務必注明來自：          http://blog.csdn.<a href=/itjie/NETjishu/ target=_blank class=infotextkey>NET</a>/sunxing007          開發環境：IE8 暫時沒有考慮兼容性             </body> </html> <script type="text/<a href=/itjie/Javajishu/ target=_blank class=infotextkey>Java</a>script">      /*******************************************************      * 原創JS連鎖泡泡 v1.1      * 原創作者 sunxing007      * 轉載請務必注明來自：http://blog.csdn.<a href=/itjie/NETjishu/ target=_blank class=infotextkey>NET</a>/sunxing007      *******************************************************/ var doc = document; function $(id){return doc.getElementById(id)}; var container = $('main'); var score_ele = $('score'); try{         //針對ie6緩存背景圖          document.execCommand("BackgroundImageCache", false, true);         }catch(e){alert(e)}; /*******************************************************/ //系統參數 //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<a href=/yuedu/yidong/ target=_blank class=infotextkey>移動</a>的4個方向 //[x,y]代表x方向的增量和y方向的增量，也就確定了<a href=/yuedu/yidong/ target=_blank class=infotextkey>移動</a>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'),      //<a href=/yuedu/yidong/ target=_blank class=infotextkey>移動</a>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<a href=/yuedu/yidong/ target=_blank class=infotextkey>移動</a>泡泡的函數，因為要用到setInterval, //所以這個函數作成閉包 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); //<a href=/yuedu/yidong/ target=_blank class=infotextkey>移動</a>速度 }, 10) }, //停止<a href=/yuedu/yidong/ target=_blank class=infotextkey>移動</a> 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<a href=/yuedu/yidong/ target=_blank class=infotextkey>移動</a>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); }, /**是否和另外一個已經爆炸的泡泡碰撞了**/ 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); }, //析構方法 因為對象中很多地方涉及對象相互引用 //需要在析構函數中消除環形引用，以防內存泄露 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

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JavaScript技術：JS 連鎖泡泡 v1.1，轉載需保留來源！

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JS 連鎖泡泡 v1.1

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