/// <summary>
/// Adds a new persistent raycast. Persistent raycasts should be updated automatically until this
/// provider is stopped or destroyed or the raycast is removed with
/// <see cref="RemoveRaycast(TrackableId)"/>.
/// </summary>
/// <param name="ray">A ray in session-space defining the raycast</param>
/// <param name="estimatedDistance">The estimated distance to the raycast target.</param>
/// <param name="raycast">The newly added raycast. All spatial data should be reported relative to the session origin.</param>
/// <returns>`True` if the raycast was added; otherwise `false`.</returns>
public virtual bool TryAddRaycast(Ray ray, float estimatedDistance, out XRRaycast raycast)
{
raycast = XRRaycast.defaultValue;
return(false);
}
/// <summary> /// Get the changes (arrays of added, updated, and removed) raycasts since the last call to this method. /// </summary> /// <param name="defaultRaycast">A default value for <see cref="XRRaycast"/>s. For backwards compatibility, /// this should be used to initialized the returned /// [NativeArray](https://docs.unity3d.com/ScriptReference/Unity.Collections.NativeArray_1.html)s.</param> /// <param name="allocator">The [Allocator](https://docs.unity3d.com/ScriptReference/Unity.Collections.Allocator.html) /// to use when allocating the returned [NativeArray](https://docs.unity3d.com/ScriptReference/Unity.Collections.NativeArray_1.html)s.</param> /// <returns>Arrays of added, updated, and removed raycasts since the last call to this method. The /// changes should be allocated using <paramref name="allocator"/>. The caller owns the memory.</returns> public virtual TrackableChanges <XRRaycast> GetChanges(XRRaycast defaultRaycast, Allocator allocator) => default;
/// <summary>
/// Adds a new persistent raycast. Persistent raycasts should be updated automatically until this
/// provider is stopped or destroyed or the raycast is removed with
/// <see cref="RemoveRaycast(TrackableId)"/>.
/// </summary>
/// <param name="screenPoint">A position on the screen in normalized screen coordinates (0, 0)..(1, 1)</param>
/// <param name="estimatedDistance">The estimated distance to the raycast target.</param>
/// <param name="raycast">The newly added raycast. All spatial data should be reported relative to the session origin.</param>
/// <returns>`True` if the raycast was added; otherwise `false`.</returns>
public virtual bool TryAddRaycast(Vector2 screenPoint, float estimatedDistance, out XRRaycast raycast)
{
raycast = XRRaycast.defaultValue;
return(false);
}
