added bool property HasMeshSectors which shows whether any mesh has been scanned

Author: Sacristan

Assets/HoloToolkit/SpatialUnderstanding/Scripts/SpatialUnderstanding.cs

@@ -50,6 +50,12 @@ public bool AllowSpatialUnderstanding
                 return true;
             }
         }
+
+        /// <summary>
+        /// Has any mesh sectors been scanned
+        /// </summary>
+        public bool HasMeshSectors { get { return UnderstandingCustomMesh.HasMeshSectors; } }
+
         /// <summary>
         /// Reference to the SpatialUnderstandingDLL class (wraps the understanding dll functions).
         /// </summary>
@@ -250,7 +256,7 @@ private void Update_Scan(float deltaTime)
 
             // If it's done, finish up
             if ((ScanState == ScanStates.Finishing) &&
-                (scanDone) && 
+                (scanDone) &&
                 (!UnderstandingCustomMesh.IsImportActive) &&
                 (UnderstandingCustomMesh != null))
             {

Assets/HoloToolkit/SpatialUnderstanding/Scripts/SpatialUnderstandingCustomMesh.cs

@@ -39,6 +39,7 @@ private float MaxFrameTimeInSeconds
         public bool CreateMeshColliders = true;
 
         private bool drawProcessedMesh = true;
+
         // Properties
         /// <summary>
         /// Controls rendering of the mesh. This can be set by the user to hide or show the mesh.
@@ -59,6 +60,11 @@ public bool DrawProcessedMesh
             }
         }
 
+        /// <summary>
+        /// Has any mesh sectors been scanned
+        /// </summary>
+        public bool HasMeshSectors { get { return meshSectors != null && meshSectors.Count > 0; } }
+
         /// <summary>
         /// Indicates if the previous import is still being processed.
         /// </summary>