iphone小技巧

 

让CCLayer响应ccTouchBegan而非Touches

In issue 652, a project member said:

Layer need to implement both methods: ccTouches and ccTouch. The default one is ccTouches but you can modify the default behavior by overriding  the "registerWithTouchDispatcher".

具体做法就是在CCLayer子类中增加如下代码：

   
   
   
   

    
    
    
    
-(void) registerWithTouchDispatcher {
    [[CCTouchDispatcher sharedDispatcher] addTargetedDelegate:self priority:0 swallowsTouches:YES];
}   在设备中新建并写入plist 关卡编辑器保存关卡数据时遇到的小问题，在iPad上跑总是无法读取到，原因是需要写到Document中而不是Resource中。 下面是一个Helper方法，用来生成可写路径：   + (NSString * ) getLocalFilePath :(NSString * )fileName { NSArray * paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString * documentsDirectory = [paths objectAtIndex: 0 ]; return [documentsDirectory stringByAppendingPathComponent:fileName];}   ios获取文件列表并按扩展名过滤 NSArray * levelList = [[[[NSFileManager alloc] init] contentsOfDirectoryAtPath:[NSHomeDirectory() stringByAppendingPathComponent: @" Documents " ] error:nil] pathsMatchingExtensions:[NSArray arrayWithObject: @" plist " ]]; // 这里只是Documents目录的 iOS读Resource中的plist NSString *cfgPath = [[NSBundle mainBundle] pathForResource:[NSString stringWithFormat:@"%@Cfg.plist", themeName] ofType:nil inDirectory:nil]; NSDictionary *cfgDictionary = [NSDictionary dictionaryWithContentsOfFile:cfgPath];