/// <inheritdoc/>
protected override List <Vector3> GetBoundaryGeometry()
{
// Boundaries are supported for Room Scale experiences only.
if (XRDevice.GetTrackingSpaceType() != TrackingSpaceType.RoomScale)
{
return(null);
}
// Get the boundary geometry.
var boundaryGeometry = new List <Vector3>(0);
if (!UnityBoundary.TryGetGeometry(boundaryGeometry, UnityBoundary.Type.TrackedArea) || boundaryGeometry.Count == 0)
{
return(null);
}
return(boundaryGeometry);
}
/// <summary>
/// Retrieves the boundary geometry and creates the boundary and inscribed play space volumes.
/// </summary>
private void CalculateBoundaryBounds()
{
// Reset the bounds
Bounds = new Edge[0];
FloorHeight = null;
rectangularBounds = null;
// Boundaries are supported for Room Scale experiences only.
if (XRDevice.GetTrackingSpaceType() != TrackingSpaceType.RoomScale)
{
return;
}
// Get the boundary geometry.
var boundaryGeometry = new List <Vector3>(0);
var boundaryEdges = new List <Edge>(0);
if (UnityBoundary.TryGetGeometry(boundaryGeometry, UnityBoundary.Type.TrackedArea) && boundaryGeometry.Count > 0)
{
// FloorHeight starts out as null. Use a suitably high value for the floor to ensure
// that we do not accidentally set it too low.
float floorHeight = float.MaxValue;
for (int i = 0; i < boundaryGeometry.Count; i++)
{
Vector3 pointA = boundaryGeometry[i];
Vector3 pointB = boundaryGeometry[(i + 1) % boundaryGeometry.Count];
boundaryEdges.Add(new Edge(pointA, pointB));
floorHeight = Mathf.Min(floorHeight, boundaryGeometry[i].y);
}
FloorHeight = floorHeight;
Bounds = boundaryEdges.ToArray();
CreateInscribedBounds();
}
else
{
Debug.LogWarning("Failed to calculate boundary bounds.");
}
}