我在cocos2d论坛上看到了example,可以访问来自不同层的sprite,但是尝试了一下,但是它不起作用。也许我没有做我应该做的事
对于场景方法,我有:
+(CCScene *)scene {
CCScene *scene = [CCScene node];
CurrentLayer *_currentLayer = [CurrentLayer node];
aLayer *_aLayer = [aLayer node];
[scene addChild: _currentLayer z:0 tag: 128];
[scene addChild: _aLayer z:1 tag:288];
return scene;
}
我正在尝试从
CCMenuItem
中的aLayer
访问CurrentLayer
,我的方法是: CCMenuItem *menuItemToBeAccessed = (CCMenuItem *)[[[self parent] getChildByTag:288] getChildByTag:60];
在aLayer中,我以这种方式放置了
CCMenuItem
: menuItem = [[CCMenuItemSprite
itemFromNormalSprite:[CCSprite spriteWithSpriteFrameName:@"menuItemImage.png"]
selectedSprite:[CCSprite spriteWithSpriteFrameName:@"menuItemImage.png"]
target:self
selector:@selector(methodToBeCalled:)] retain];
// the reason that I'm keeping my menu item disabled is that I want to enable when I press another ccmenuitem in the other layer
menuItem.isEnabled = NO;
menuItem.tag = kMenuItem; // which is added in enum as: kMenuItem = 60
[menuItem setAnchorPoint: ccp(0,0)];
menuObject = [CCMenu menuWithItems:menuItem, nil];
[menuObject setPosition: ccp(menuObject_X, menuObject_Y)];
[self addChild:menuObject z:5];
CCMenuItem
的路径如何?更新:
GamePlay->ParallaxLayers->aLayer
access bLayer from aLayer
您已指示我:
CCMenuItem *bCCMenuItem = (CCMenuItem *)[(CCMenu *)[[self.parent getChildByTag:kLayerTag] getChildByTag:kMenuTag] getChildByTag:kMenuItemTag];
GamePlay->ParallaxLayers->bLayer
access aLayer from bLayer
最佳答案
尽管您尝试从另一层访问菜单项的方式有任何事实,但您缺少CCMenuItem是CCMenu的子级的事实。
您需要访问CCMenu,然后通过标签访问它的子CCMenuItem。
就像是:
CCMenuItem *toBeAccessed = (CCMenuItem *)[(CCMenu *)[[self.parent getChildByTag:kLayerTag] getChildByTag:kMenuTag] getChildByTag:kMenuItemTag];
关于iphone - 来自另一层cocos2d的ccmenuitem,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/9122335/