protected virtual void OnDestroy()
{
if (activeSurface == this)
{
activeSurface = null;
}
}
protected virtual void Awake()
{
menu = FindObjectOfType <ContextualHandMenu>();
activeSurface = this;
Initialized = false;
SurfacePosition = surfaceTransform.position;
}
public async Task PlaceNewSurface()
{
await Task.Yield();
// Find our finger surface
FingerSurface fingerSurface = GameObject.FindObjectOfType <FingerSurface>();
float fingerSurfaceRadius = fingerSurface.SurfaceRadius;
// Use our camera to place the surface
placementTransform.position = CameraCache.Main.transform.position;
placementTransform.rotation = CameraCache.Main.transform.rotation;
// Only rotate on y axis
Vector3 eulerAngles = placementTransform.eulerAngles;
eulerAngles.x = 0;
eulerAngles.z = 0;
placementTransform.eulerAngles = eulerAngles;
Vector3 targetSurfacePosition = placementTransform.TransformPoint(defaultOffset);
if (fingerSurface == null)
{
Debug.LogError("No surface found in surface placement.");
return;
}
if (placedOnce)
{ // If we've placed it once already, the current placement might still be valid.
if (Vector3.Distance(CameraCache.Main.transform.position, currentSurfacePosition) < maxRepositionDistance)
{
targetSurfacePosition = currentSurfacePosition;
}
}
else if (useSpatialUnderstanding)
{
IMixedRealitySpatialAwarenessSystem spatial;
if (!MixedRealityServiceRegistry.TryGetService <IMixedRealitySpatialAwarenessSystem>(out spatial))
{
Debug.LogError("This component requires a IMixedRealitySpatialAwarenessSystem to be enabled.");
return;
}
// Start the observers creating meshes again
spatial.ResumeObservers();
// Wait until our spatial understanding has delivered some meshes
timeStarted = Time.time;
while (spatial.SpatialAwarenessObjectParent.transform.childCount == 0)
{
if ((Time.time - timeStarted > timeOut))
{
break;
}
await Task.Yield();
}
// While our placement sphere overlaps with spatial awareness objects, move it progressively closer to the user
bool collidesWithWalls = true;
timeStarted = Time.time;
while (collidesWithWalls)
{
if (Time.time - timeStarted > timeOut)
{
break;
}
Collider[] colliders = Physics.OverlapSphere(targetSurfacePosition, fingerSurfaceRadius, spatialAwarenessMask);
if (colliders.Length == 0)
{
collidesWithWalls = false;
}
else
{
targetSurfacePosition = Vector3.MoveTowards(targetSurfacePosition, CameraCache.Main.transform.position, moveIncrement);
}
await Task.Yield();
}
// Suspeend observers now that we're all set
spatial.SuspendObservers();
}
currentSurfacePosition = targetSurfacePosition;
placedOnce = true;
// Tell the surface to initialize
fingerSurface.Initialize(targetSurfacePosition);
}