private void DestroySurfaceGeometries(bool addBackToDeferredQueue = false)
{
foreach (KeyValuePair <GameObject, PassthroughMeshInstance> el in surfaceGameObjects)
{
if (el.Value.meshHandle != 0)
{
OVRPlugin.DestroyInsightPassthroughGeometryInstance(el.Value.instanceHandle);
OVRPlugin.DestroyInsightTriangleMesh(el.Value.meshHandle);
// When DestroySurfaceGeometries is called from OnDisable, we want to keep track of the existing
// surface geometries so we can add them back when the script gets enabled again. We simply reinsert
// them into deferredSurfaceGameObjects for that purpose.
if (addBackToDeferredQueue)
{
deferredSurfaceGameObjects.Add(
new DeferredPassthroughMeshAddition
{
gameObject = el.Key,
updateTransform = el.Value.updateTransform
});
}
}
}
surfaceGameObjects.Clear();
}
/// <summary>
/// Removes a GameObject that was previously added using `AddSurfaceGeometry` from the projection surface.
/// </summary>
/// <param name="obj">The Gameobject to remove. </param>
public void RemoveSurfaceGeometry(GameObject obj)
{
PassthroughMeshInstance passthroughMeshInstance;
if (surfaceGameObjects.TryGetValue(obj, out passthroughMeshInstance))
{
if (OVRPlugin.DestroyInsightPassthroughGeometryInstance(passthroughMeshInstance.instanceHandle) &&
OVRPlugin.DestroyInsightTriangleMesh(passthroughMeshInstance.meshHandle))
{
surfaceGameObjects.Remove(obj);
}
else
{
Debug.LogError("GameObject could not be removed from passthrough surface.");
}
}
else
{
int count = deferredSurfaceGameObjects.RemoveAll(x => x.gameObject == obj);
if (count == 0)
{
Debug.LogError("Specified GameObject has not been added as passthrough surface.");
}
}
}