CCEffectStack - Add a constructor method.

Author: Thayer J Andrews

cocos2d-ui-tests/tests/CCEffectsTest.m

@@ -527,8 +527,8 @@ -(void)setupStackTest
     sprite.position = ccp(0.5f, 0.5f);
     sprite.scale = 0.5f;
 
-    sprite.effect = [[CCEffectStack alloc] initWithEffects:@[effects[8], effects[9]]];
-//    sprite.effect = [[CCEffectStack alloc] initWithEffects:@[effects[7]]];
+    sprite.effect = [CCEffectStack effectStackWithEffects:@[effects[8], effects[9]]];
+//    sprite.effect = [CCEffectStack effectStackWithEffects:@[effects[7]]];
 
     sprite.normalMapSpriteFrame = [CCSpriteFrame frameWithImageNamed:@"Images/ShinyBallNormals.png"];
     sprite.colorRGBA = [CCColor colorWithRed:0.75f green:0.75f blue:0.75f alpha:0.75f];
@@ -662,7 +662,7 @@ - (CCNode *)effectNodeWithEffects:(NSArray *)effects appliedToSpriteWithImage:(N
     }
     else if (effects.count > 1)
     {
-        CCEffectStack *stack = [[CCEffectStack alloc] initWithEffects:effects];
+        CCEffectStack *stack = [CCEffectStack effectStackWithEffects:effects];
         effectNode.effect = stack;
     }
 
@@ -683,7 +683,7 @@ - (CCSprite *)spriteWithEffects:(NSArray *)effects image:(NSString *)spriteImage
     }
     else if (effects.count > 1)
     {
-        CCEffectStack *stack = [[CCEffectStack alloc] initWithEffects:effects];
+        CCEffectStack *stack = [CCEffectStack effectStackWithEffects:effects];
         sprite.effect = stack;
     }
 

cocos2d/CCEffectStack.h

@@ -38,7 +38,7 @@
 - (id)init;
 
 /**
- *  Initializes an empty effect stack object.
+ *  Initializes an effect stack object with the specified array of effects.
  *
  *  @param effects The array of effects to add to the stack.
  *
@@ -47,6 +47,20 @@
 - (id)initWithEffects:(NSArray *)effects;
 
 
+/// -----------------------------------------------------------------------
+/// @name Creating a CCEffectStack object
+/// -----------------------------------------------------------------------
+
+/**
+ *  Creates an effect stack object with the specified array of effects.
+ *
+ *  @param effects The array of effects to add to the stack.
+ *
+ *  @return The CCEffectStack object.
+ */
++ (id)effectStackWithEffects:(NSArray *)effects;
+
+
 /// -----------------------------------------------------------------------
 /// @name Accessing Contained Effects
 /// -----------------------------------------------------------------------

cocos2d/CCEffectStack.m

@@ -46,6 +46,11 @@ - (id)initWithEffects:(NSArray *)effects
     return self;
 }
 
++ (id)effectStackWithEffects:(NSArray *)effects
+{
+    return [[self alloc] initWithEffects:effects];
+}
+
 - (NSUInteger)effectCount
 {
     return _effects.count;