Grounding Shadows
The VisionOS Grounding Shadow component provides a hint to the platform to cast a shadow from this object onto surfaces below, as if from a directional light pointing straight downwards. The object must have a MeshRenderer
component. The visionOS Grounding Shadow component acts as a direct proxy to RealityKit's GroundingShadowComponent on visionOS, and is ignored on other platforms, including Unity play mode.