[SpriteKitCommonUse] 1.SKView中提供了显示FPS和NodeCount(当前view)的方法,如下: 展现一个scene: - (void)viewWillAppear:(BOOL)animated { HelloScene* hello = [[HelloScene alloc] initWithSize:CGSizeMake(,)]; SKView *spriteView = (SKView *) self.view; [spriteView presentScen…