Merge pull request #1047 from dingpinglv/Iss2445_RewriteCtor

Fixed #2445 refactor code for rendering classes to optimize performance

Author: dingpinglv

cocos2d/CCScheduler.js

@@ -170,8 +170,8 @@ cc.ArrayContainsObject = function (arr, findObj) {
 /**
  * find object from array by target
  * @param {Array} arr source array
- * @param {cc.ListEntry|cc.HashUpdateEntry|cc.HashSelectorEntry} findInt find target
- * @return {cc.ListEntry|cc.HashUpdateEntry|cc.HashSelectorEntry}
+ * @param {cc.ListEntry|cc.HashUpdateEntry} findInt find target
+ * @return {cc.ListEntry|cc.HashUpdateEntry}
  */
 cc.HASH_FIND_INT = function (arr, findInt) {
     if (arr == null) {
@@ -331,12 +331,13 @@ cc.Timer = cc.Class.extend(/** @lends cc.Timer# */{
             this._elapsed = 0;
             this._timesExecuted = 0;
         } else {
+            var locTarget = this._target, locSelector = this._selector;
             if (this._runForever && !this._useDelay) {
                 //standard timer usage
                 this._elapsed += dt;
 
                 if (this._elapsed >= this._interval) {
-                    if (this._target && this._selector)
+                    if (locTarget && locSelector)
                        this._callSelector();
                     this._elapsed = 0;
                 }
@@ -345,7 +346,7 @@ cc.Timer = cc.Class.extend(/** @lends cc.Timer# */{
                 this._elapsed += dt;
                 if (this._useDelay) {
                     if (this._elapsed >= this._delay) {
-                        if (this._target && this._selector)
+                        if (locTarget && locSelector)
                             this._callSelector();
 
                         this._elapsed = this._elapsed - this._delay;
@@ -354,7 +355,7 @@ cc.Timer = cc.Class.extend(/** @lends cc.Timer# */{
                     }
                 } else {
                     if (this._elapsed >= this._interval) {
-                        if (this._target && this._selector)
+                        if (locTarget && locSelector)
                             this._callSelector();
 
                         this._elapsed = 0;
@@ -363,7 +364,7 @@ cc.Timer = cc.Class.extend(/** @lends cc.Timer# */{
                 }
 
                 if (this._timesExecuted > this._repeat)
-                    cc.Director.getInstance().getScheduler().unscheduleCallbackForTarget(this._target, this._selector);
+                    cc.Director.getInstance().getScheduler().unscheduleCallbackForTarget(locTarget, locSelector);
             }
         }
     }
@@ -999,4 +1000,3 @@ cc.Scheduler = cc.Class.extend(/** @lends cc.Scheduler# */{
     }
 });
 
-