How to animate a models rotation across its axis in RealityKit

To animate a model across its axis, use a FromToByAnimation.

Oscar de la Hera Gomez
Written by Oscar de la Hera Gomez
First published on 08/22/2024 at 13:12
Last Updated on 08/26/2024 at 12:45
<p>Three flowers that represent SwiftUI, RealityKit and XCode side by side. Beneath them sits the text "Animate Model Across Axis".</p>

To animate a model across its axis, use a FromToByAnimation.

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The code for the demonstration detailed on this post can be found at the tutorials/immersive-spaces/position-scale-and-rotation-with-animation branch within the repository below.

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<p>A screenshot of XCode showing the code that creates the animation.</p>

Specifically, the code that creates the animation can be found in the SampleImmersiveView under line 24.

This code: 

  • Determines the transform that the model needs to animate.
  • Creates the FromToAnimation using the transform derived in the previous point.
  • Applies the animation to the model using AnimationResource.generate(...).

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