ios - Nothing is displaying in Simulator with viewWillLayoutSubviews -

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within gameview controller.swift file, removed viewdidload , put in viewwilllayoutsubviews because using dimensions of device in calculations. however, hello world sklabelnode no longer displayed in simulator. ideas on i'm doing wrong?

override func viewwilllayoutsubviews() {         super.viewwilllayoutsubviews()         let skview = self.view skview         if skview.scene != nil{             skview.showsfps = true             skview.showsnodecount = true             skview.showsphysics = true             // create , configure scene              let scene = skscene(size: skview.bounds.size)             scene.scalemode = skscenescalemode.aspectfill;              // present scene             skview.presentscene(scene)         }


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