How to reproduce MagnifyGesture on visionOS simulator

Question

Created Aug ’23

Replies 2

Boosts 0

Views 1.4k

Participants 3

Hi, I have one question. How do I issue MagnifyGesture's onChange event in the visionOS simulator? I have tried various operations, but the onChange event does not work.

https://developer.apple.com/videos/play/wwdc2023/10111/?time=994

 @main
struct WorldApp: App {
   @State private var currentStyle: ImmersionStyle = .mixed
   var body: some Scene {
        ImmersiveSpace(id: "solar") {
            SolarSystem()
                .simultaneousGesture(MagnifyGesture()
                    .onChanged { value in
                        let scale = value.magnification
                        if scale > 5 {
                            currentStyle = .progressive
                        } else if scale > 10 {
                            currentStyle = .full
                        } else {
                            currentStyle = .mixed
                        }
                    }
                )
        }
        .immersionStyle(selection:$currentStyle, in: .mixed, .progressive, .full)
   }
}

Thanks.

Boost

Answer 1

J0hn OP

Aug ’23

Convert the 2D magnify gesture to a 3D one by modifying it with a "target entity" modifier.

There are few. The following option enables the gesture on all entities in the scene.

MagnifyGesture().targetedToAnyEntity()

0

Answer 2

RogerLee OP

Aug ’23

Do you mean how to trigger a gesture in the simulator? You can try holding down the Option key and then moving your cursor.

0

	@main
	struct WorldApp: App {
	@State private var currentStyle: ImmersionStyle = .mixed
	var body: some Scene {
	ImmersiveSpace(id: "solar") {
	SolarSystem()
	.simultaneousGesture(MagnifyGesture()
	.onChanged { value in
	let scale = value.magnification
	if scale > 5 {
	currentStyle = .progressive
	} else if scale > 10 {
	currentStyle = .full
	} else {
	currentStyle = .mixed
	}
	}
	)
	}
	.immersionStyle(selection:$currentStyle, in: .mixed, .progressive, .full)
	}
	}