我无法通过CGRect.minX/Y和CGRect.MaxX/Y修复此错误消息。“实例成员‘minX’不能用于‘CGRect’类型”是错误。我能做些什么来修复它？funcspawnNewDisc(){varrandomImageNumber=arc4random()%4randomImageNumber+=1letCheeseBlock=SKSpriteNode(imageNamed:"CheeseBlock\(randomImageNumber)")CheeseBlock.zPosition=2CheeseBlock.name="CheeseObject"letrandomX=ran