SwiftUI's SpriteView won't rotate on an iPhone

Question

Created Jul ’20

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Please refer to this SO question with more info / images.

But basically the following code will not rotate on a real device (iPhone 11, iOS 14b3):

Code Block import SwiftUI
import SpriteKit
@main
struct TestApp: App {
		var body: some Scene {
				WindowGroup {
						ContentView()
				}
		}
}
struct ContentView: View {
		var body: some View {
				GeometryReader { geometry in
						// SpriteView test (does NOT rotate)
						SpriteView(scene: createSKScene(with: geometry.size))
								.frame(width: geometry.size.width / 2, height: geometry.size.height / 2)
				}
		}
		func createSKScene(with size: CGSize) -> SKScene {
				let scene = SKScene()
				scene.backgroundColor = UIColor.red
				return scene
		}
}

It rotates just fine on simulators though.
Ah, it also rotates on a real iPad Pro 11" (I just checked).

So maybe the issue has to do with iPhones?

Xcode: 12.0 beta 3
iOS: 14 beta 3

Should I fill a but to it or am I missing something?

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Answer 1

William NYC OP

Sep ’20

TRY adding a "scene.size = size" to line 25. SpriteKit doesn't know that the size of the frame changed.

Note: Every time you rotate, you're going to create a new Scene and loose everything in the scene (new Game).

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