cocos2d-x的CCArray用法

一.基本用法

1.声明初始化变量

 
C++
 
          1 
        
          2 
        
          3 
        
         cocos2d 
         :: 
         CCArray 
         * 
           
         pArray 
         ; 
        
         pArray 
         = 
         CCArray 
         :: 
         createWithCapacity 
         ( 
         100 
         ) 
         ; 
        
         pArray 
         -> 
         retain 
         ( 
         ; 
         //如果保留成员变量的话,此处必须retain,否则会崩溃,因为标记了autorelease

2.添加元素到数组

C++
 
          1 
        
          2 
        
         CCSprite 
         * 
          
         pRet 
         = 
         CCSprite 
         :: 
         create 
         ( 
         "test.png" 
         ) 
         ; 
        
         pArray 
         -> 
         addObject 
         ( 
         pRet 
         ; 
         //将pRet添加到数组0位置,此处会调用一次pRet的retain

3.删除元素

          1 
        
          2 
        
          3 
        
         //下面这两个函数都能够实现删除元素的效果 
        
         pArray 
         removeObject 
         ( 
         pRet 
         //第二参数为是否调用release,默认为true 
        
         pArray 
         removeObjectAtIndex 
         0 
         //删除o位置上的元素

4.遍历

1).使用ccarray中的宏进行遍历

 
    
       <div class="crayon-nums-content" style="border:0px; padding:0px; margin:0px; font-size:12px!important; line-height:15px!important"> 
        <div class="crayon-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          1 
        </div> 
        <div class="crayon-num crayon-striped-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          2 
        </div> 
        <div class="crayon-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          3 
        </div> 
        <div class="crayon-num crayon-striped-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          4 
        </div> 
        <div class="crayon-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          5 
        </div> 
        <div class="crayon-num crayon-striped-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          6 
        </div> 
        <div class="crayon-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          7 
        </div> 
        <div class="crayon-num crayon-striped-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          8 
        </div> 
        <div class="crayon-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          9 
        </div> 
        <div class="crayon-num crayon-striped-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          10 
        </div> 
        <div class="crayon-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          11 
        </div> 
        <div class="crayon-num crayon-striped-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          12 
        </div> 
        <div class="crayon-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          13 
        </div> 
       </div> </td> 
      <td class="crayon-code" style="font-size:10pt; border:0px; width:622px; font-family:'Liberation Mono',monospace!important; vertical-align:top!important; padding:0px!important; margin:0px!important"> 
       <div class="crayon-pre" style="padding:0px; margin:0px; white-space:pre; overflow:visible; border:none!important; font-size:12px!important; line-height:15px!important"> 
        <div class="crayon-line" id="crayon-529ed0d3f2901908292721-1" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important"> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">CCObject</span> 
         <span class="crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important"></span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">pObj</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">;</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2901908292721-2" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important; background-color:rgb(249,249)!important"> 
         <span class="crayon-c" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(255,0)!important">//正向</span> 
        </div> 
        <div class="crayon-line" id="crayon-529ed0d3f2901908292721-3" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important"> 
         <span class="crayon-e" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,208)!important">CCARRAY_FOREACH</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">(</span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">s_pBulletArray</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">,</span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">pObj</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">)</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2901908292721-4" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important; background-color:rgb(249,249)!important"> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">{</span> 
        </div> 
        <div class="crayon-line" id="crayon-529ed0d3f2901908292721-5" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important"> 
         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important"></span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">CMapNode</span> 
         <span class="crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,122)!important">pNode</span> 
         <span class="crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important">=</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">(</span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">CMapNode</span> 
         <span class="crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important">*</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">)</span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">pObj</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">;</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2901908292721-6" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important; background-color:rgb(249,249)!important"> 
         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important"></span> 
         <span class="crayon-c" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(255,0)!important">//...</span> 
        </div> 
        <div class="crayon-line" id="crayon-529ed0d3f2901908292721-7" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important"> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">}</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2901908292721-8" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important; background-color:rgb(249,0)!important">//逆向</span> 
        </div> 
        <div class="crayon-line" id="crayon-529ed0d3f2901908292721-9" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important"> 
         <span class="crayon-e" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,208)!important">CCARRAY_FOREACH_REVERSE</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">)</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2901908292721-10" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important; background-color:rgb(249,51)!important">{</span> 
        </div> 
        <div class="crayon-line" id="crayon-529ed0d3f2901908292721-11" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important"> 
         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,51)!important">;</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2901908292721-12" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important; background-color:rgb(249,0)!important">//...</span> 
        </div> 
        <div class="crayon-line" id="crayon-529ed0d3f2901908292721-13" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important"> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">}</span> 
        </div> 
       </div> </td> 
     </tr> 
    </tbody> 
   </table> 
  </div> 
 </div> 
 <p style="margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px"> 2).for循环遍历</p> 
 <div id="crayon-529ed0d3f2908051999223" class="crayon-syntax crayon-theme-familiar crayon-font-liberation-mono crayon-os-mac print-yes" style="width:654px; padding:0px; margin:12px 0px; font-family:Monaco,monospace!important; padding:0px!important; margin:0px!important; height:auto!important"> 
   <textarea wrap="off" class="crayon-plain print-no" data-settings="" readonly style="width: 654px; overflow: auto; padding: 0px 5px; margin: 0px; height: 79px; position: absolute; opacity: 0; border-width: 0px; box-shadow: none; border-top-left-radius: 0px; border-top-right-radius: 0px; border-bottom-right-radius: 0px; border-bottom-left-radius: 0px; -webkit-box-shadow: none; white-space: pre; word-wrap: normal; resize: none; color: rgb(0,175) !important; background-position: 0px 50%;"> 
       <div class="crayon-nums-content" style="border: 0px; padding: 0px; margin: 0px; font-size: 12px !important; line-height: 15px !important; background-position: 0px 50%;"> 
        <div class="crayon-num" data-line="crayon-529ed0d3f2908051999223-1" style="font-family: inherit; border: 0px; padding: 0px 5px; margin: 0px; text-align: center; font-size: inherit !important; line-height: inherit !important; height: inherit !important; background-position: 0px 50%;">
          1 
        </div> 
        <div class="crayon-num crayon-striped-num" data-line="crayon-529ed0d3f2908051999223-2" style="font-family: inherit; border: 0px; padding: 0px 5px; margin: 0px; text-align: center; font-size: inherit !important; line-height: inherit !important; height: inherit !important; background-position: 0px 50%;">
          2 
        </div> 
        <div class="crayon-num" data-line="crayon-529ed0d3f2908051999223-3" style="font-family: inherit; border: 0px; padding: 0px 5px; margin: 0px; text-align: center; font-size: inherit !important; line-height: inherit !important; height: inherit !important; background-position: 0px 50%;">
          3 
        </div> 
        <div class="crayon-num crayon-striped-num" data-line="crayon-529ed0d3f2908051999223-4" style="font-family: inherit; border: 0px; padding: 0px 5px; margin: 0px; text-align: center; font-size: inherit !important; line-height: inherit !important; height: inherit !important; background-position: 0px 50%;">
          4 
        </div> 
       </div></td> 
      <td class="crayon-code" style="font-size: 10pt; border: 0px; width: 629px; font-family: 'Liberation Mono',monospace !important; vertical-align: top !important; padding: 0px !important; margin: 0px !important; background-position: 0px 50%;"> 
       <div class="crayon-pre" style="padding: 0px; margin: 0px; white-space: pre; overflow: visible; border: none !important; font-size: 12px !important; line-height: 15px !important; background-image: none !important;"> 
        <div class="crayon-line" id="crayon-529ed0d3f2908051999223-1" style="font-family: inherit; border: 0px; padding-top: 0px; padding-right: 5px; padding-bottom: 0px; margin: 0px; padding-left: 10px !important; font-size: inherit !important; line-height: inherit !important; height: inherit !important; background-position: 0px 50%;"> 
         <span class="crayon-st" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(128,128) !important;">for</span> 
         <span class="crayon-h" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;"> </span> 
         <span class="crayon-sy" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(51,51) !important;">(</span> 
         <span class="crayon-t" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(128,128) !important;">unsigned</span> 
         <span class="crayon-h" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;"> </span> 
         <span class="crayon-t" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(128,128) !important;">int</span> 
         <span class="crayon-h" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;"> </span> 
         <span class="crayon-v" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,122) !important;">i</span> 
         <span class="crayon-h" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;"> </span> 
         <span class="crayon-o" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;">=</span> 
         <span class="crayon-h" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;"> </span> 
         <span class="crayon-cn" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(206,51) !important;">;</span> 
         <span class="crayon-h" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;"> </span> 
         <span class="crayon-i" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important;">i</span> 
         <span class="crayon-h" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;"><</span> 
         <span class="crayon-i" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important;">s_pBulletArray</span> 
         <span class="crayon-o" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,208) !important;">count</span> 
         <span class="crayon-sy" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(51,224) !important;">++</span> 
         <span class="crayon-i" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important;">i</span> 
         <span class="crayon-sy" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(51,51) !important;">)</span> 
         <span class="crayon-h" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;"> </span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2908051999223-2" style="font-family: inherit; border: 0px; padding-top: 0px; padding-right: 5px; padding-bottom: 0px; margin: 0px; padding-left: 10px !important; font-size: inherit !important; line-height: inherit !important; height: inherit !important; background-color: rgb(249,249) !important;"> 
         <span class="crayon-sy" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(51,51) !important;">{</span> 
        </div> 
        <div class="crayon-line" id="crayon-529ed0d3f2908051999223-3" style="font-family: inherit; border: 0px; padding-top: 0px; padding-right: 5px; padding-bottom: 0px; margin: 0px; padding-left: 10px !important; font-size: inherit !important; line-height: inherit !important; height: inherit !important; background-position: 0px 50%;"> 
         <span class="crayon-h" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;"></span> 
         <span class="crayon-i" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important;">CCNode</span> 
         <span class="crayon-o" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,122) !important;">pObj</span> 
         <span class="crayon-o" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;">=</span> 
         <span class="crayon-sy" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(51,51) !important;">(</span> 
         <span class="crayon-i" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important;">CCNode</span> 
         <span class="crayon-o" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,224) !important;">*</span> 
         <span class="crayon-sy" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(51,51) !important;">)</span> 
         <span class="crayon-i" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important;">s_pBulletArray</span> 
         <span class="crayon-o" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(0,208) !important;">objectAtIndex</span> 
         <span class="crayon-sy" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(51,51) !important;">(</span> 
         <span class="crayon-i" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important;">i</span> 
         <span class="crayon-sy" style="font-family: inherit; font-size: inherit !important; line-height: inherit !important; height: inherit !important; color: rgb(51,51) !important;">;</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2908051999223-4" style="font-family: inherit; border: 0px; padding-top: 0px; padding-right: 5px; padding-bottom: 0px; margin: 0px; padding-left: 10px !important; font-size: inherit !important; line-height: inherit !important; height: inherit !important; background-color: rgb(249,51) !important;">}</span> 
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 </div> 
 <p style="margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;"></p> 
 <h2 style="margin: 0px; padding: 0px;"><a target="_blank" name="t0" style="color: rgb(255,0);"></a><span style="color: rgb(153,102);">二.注意事项</span></h2> 
 <p style="margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;">1.创建一个CCArray后如果不是立刻使用的话一定要<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a>retain,<a href="/tag/zengjia/" target="_blank" class="keywords">增加</a>引用计数,不然会被<a href="/tag/zidong/" target="_blank" class="keywords">自动</a>释放!</p> 
 <p style="margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;">2.<a href="/tag/shanchu/" target="_blank" class="keywords">删除</a>CCArray中的元素时最好默认内部<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a>一次release,不然可能会内存泄露!</p> 
 <p style="margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;">3.遍历时<a href="/tag/shanchu/" target="_blank" class="keywords">删除</a>元素</p> 
 <div id="crayon-529ed0d3f2910391681172" class="crayon-syntax crayon-theme-familiar crayon-font-liberation-mono crayon-os-mac print-yes" data-settings=" minimize scroll-always" style="box-sizing: border-box; width: 654px; padding: 0px; margin: 12px 0px; font-family: Monaco,monospace !important; padding: 0px !important; margin: 0px !important; height: auto !important; background-position: 0px 50%;"> 
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          5 
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          9 
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          10 
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        <div class="crayon-num" style="font-family:inherit; border:0px; padding:0px 5px; margin:0px; text-align:center; font-size:inherit!important; line-height:inherit!important; height:inherit!important">
          11 
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      <td class="crayon-code" style="font-size:10pt; border:0px; width:622px; font-family:'Liberation Mono',monospace!important; vertical-align:top!important; padding:0px!important; margin:0px!important"> 
       <div class="crayon-pre" style="padding:0px; margin:0px; white-space:pre; overflow:visible; border:none!important; font-size:12px!important; line-height:15px!important"> 
        <div class="crayon-line" id="crayon-529ed0d3f2910391681172-1" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important"> 
         <span class="crayon-c" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(255,0)!important">//判断条件<a href="/tag/shanchu/" target="_blank" class="keywords">删除</a>时,最好能够逆向遍历<a href="/tag/shanchu/" target="_blank" class="keywords">删除</a>,这样不会漏掉任何元素</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2910391681172-2" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important; background-color:rgb(249,249)!important"> 
         <span class="crayon-st" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(128,128)!important">for</span> 
         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important"></span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">(</span> 
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         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important"></span> 
         <span class="crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important">=</span> 
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         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">(</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">)</span> 
         <span class="crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important">-</span> 
         <span class="crayon-cn" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(206,0)!important">1</span> 
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         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">i</span> 
         <span class="crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important">>=</span> 
         <span class="crayon-cn" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(206,0)!important">0</span> 
         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important">--</span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">i</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">)</span> 
         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important"></span> 
        </div> 
        <div class="crayon-line" id="crayon-529ed0d3f2910391681172-3" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important"> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">{</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2910391681172-4" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important; background-color:rgb(249,224)!important"></span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">CMonster</span> 
         <span class="crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,122)!important">pObj</span> 
         <span class="crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,51)!important">(</span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">CMonster</span> 
         <span class="crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,51)!important">)</span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">arr</span> 
         <span class="crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,208)!important">objectAtIndex</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">(</span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">i</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">;</span> 
        </div> 
        <div class="crayon-line" id="crayon-529ed0d3f2910391681172-5" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important"> 
         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important"></span> 
         <span class="crayon-t" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(128,128)!important">bool</span> 
         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,122)!important">isCollide</span> 
         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,128)!important">false</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">;</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2910391681172-6" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important; background-color:rgb(249,122)!important">rect</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">.</span> 
         <span class="crayon-e" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,208)!important">intersectsRect</span> 
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         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">pObj</span> 
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        </div> 
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         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,224)!important"></span> 
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         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,51)!important">(</span> 
         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">isCollide</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">)</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2910391681172-8" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important; background-color:rgb(249,51)!important">{</span> 
        </div> 
        <div class="crayon-line" id="crayon-529ed0d3f2910391681172-9" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important"> 
         <span class="crayon-h" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0,208)!important">removeObject</span> 
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         <span class="crayon-i" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important">pObj</span> 
         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">;</span> 
        </div> 
        <div class="crayon-line crayon-striped-line" id="crayon-529ed0d3f2910391681172-10" style="font-family:inherit; border:0px; padding-top:0px; padding-right:5px; padding-bottom:0px; margin:0px; padding-left:10px!important; font-size:inherit!important; line-height:inherit!important; height:inherit!important; background-color:rgb(249,51)!important">}</span> 
        </div> 
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         <span class="crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51,51)!important">}</span> 
        </div> 
       </div> </td> 
     </tr> 
    </tbody> 
   </table> 
  </div> 
 </div> 
 <p style="margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px"> </p> 
 <h2 style="margin:0px; padding:0px"><a target="_blank" name="t1" style="color:rgb(255,0)"></a><span style="color:rgb(153,102)">三.什么时候会用到CCArray?</span></h2> 
 <p style="margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px"> 1.每一个CCNode的children本质就是一个CCArray,这样我们就可以通过getChildren()获得array,进行操作!</p> 
 <p style="margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px"> </p> 
 <p style="margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:0px"> 2.对于CCSequence如果只有到运行时才能知道有个少个动作时,我们就可以声明一个CCArray然后将动作addObject(),最后通过一个array来创建CCSequence,例如下面这段<a href="/tag/daima/" target="_blank" class="keywords">代码</a>:</p> 
 <div id="crayon-529ed0d3f2918118144251" class="crayon-syntax crayon-theme-familiar crayon-font-liberation-mono crayon-os-mac print-yes" style="width:654px; padding:0px; margin:12px 0px; font-family:Monaco,monospace!important; padding:0px!important; margin:0px!important; height:auto!important"> 
   <textarea class="crayon-plain print-no" readonly> 
  

 
         //所有的路径节点 
        
 
         CCArray 
         * 
         array 
         CCArray 
         createWithCapacity 
         ( 
         20 
         ; 
        
 
         float 
         dt 
         = 
         1 
         / 
         ( 
         m_pProperty 
         -> 
         fMoveSpeed 
         ; 
        
 
         CCPoint 
         point 
         ( 
         Crayon-o" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(0, 
         ; 
        
 
         ( 
         UINT 
         i 
         0 
         ; 
         i 
         < 
         CGlobal 
         getGameMap 
         m_PathNode 
         size 
         ; 
         ++ 
         i 
         ) 
        
{ 
        
 
         array 
         ( 
         CCMoveTo 
         ( 
         dt 
         Crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51, 
         point 
         ; 
        
} 
        
 
         //移动完毕的回调 
        
 
         CCCallFunc 
         ( 
         this 
         Crayon-sy" style="font-family:inherit; font-size:inherit!important; line-height:inherit!important; height:inherit!important; color:rgb(51, 
         callfunc_selector 
         CMonster 
         :: 
         onArrive 
         ; 
        

           
        
 
         CCSequence 
         pAct 
         CCSequence 
         array 
         ; 
        

3.对于一个CCSprite,我们肯定需要把它addChild到parent上,这样他才能显示出来,这样的话parent上就会有好多child,但是我们要遍历只是其中的一部分(例:场景的地图上有好多种花,我们都会把它们添加到同一个parent上,这时候策划说其中的一种花会被怪物踩死?纳尼….,这个时候我们就需要唉将能被踩死的花加入到parent上时同时加入到一个CCArray中去….),这样我们用的时候遍历这个数组就可以了,而不是遍历这个children!

4.多谢@子龙山人大大的添加,CCArray还可以内存预分配，比如预先生成一堆子弹，然后加到CCArray中，再从这个CCArray中去重用子弹。这样可以提高游戏效率。消失的子弹只需要设置为Invisible就可以了。这个在做射击类游戏中会大量使用的!

cocos2d-x的CCArray用法

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