Cleanup comments and implement todo to use LOD0 only

#2299

Source/Editor/Gizmo/TransformGizmoBase.cs

@@ -85,7 +85,6 @@ namespace FlaxEditor.Gizmo
         {
             InitDrawing();
             ModeChanged += ResetTranslationScale;
-            
         }
 
         /// <summary>
@@ -564,13 +563,13 @@ namespace FlaxEditor.Gizmo
                 return; // ignore it if there is nothing under the mouse closestObject is only null if ray caster missed everything or Selection Count == 0
 
             _vertexSnapObject = closestObject;
-
             if (!closestObject.OnVertexSnap(ref ray.Ray, closestDistance, out _vertexSnapPoint))
             {
-                //The OnVertexSnap is unimplemented or failed to get point return because there is nothing to do
+                // The OnVertexSnap is unimplemented or failed to get point return because there is nothing to do
                 _vertexSnapPoint = Vector3.Zero;
                 return;
             }
+
             // Transform back to the local space of the object to work when moving it
             _vertexSnapPoint = closestObject.Transform.WorldToLocal(_vertexSnapPoint);
         }
@@ -602,9 +601,9 @@ namespace FlaxEditor.Gizmo
             var hit = Owner.SceneGraphRoot.RayCast(ref rayCast, out var distance, out var _);
             if (hit != null)
             {
-                if (hit.OnVertexSnap(ref rayCast.Ray, distance, out var pointSnapped) 
+                if (hit.OnVertexSnap(ref rayCast.Ray, distance, out var pointSnapped)
                     //&& Vector3.Distance(point, pointSnapped) <= 25.0f
-                    )
+                   )
                 {
                     _vertexSnapObjectTo = hit;
                     _vertexSnapPointTo = hit.Transform.WorldToLocal(pointSnapped);
@@ -692,6 +691,7 @@ namespace FlaxEditor.Gizmo
         protected virtual void OnDuplicate()
         {
         }
+
         /// <inheritdoc />
         public override void OnSelectionChanged(List<SceneGraphNode> newSelection)
         {

Source/Editor/SceneGraph/Actors/StaticModelNode.cs

@@ -23,13 +23,12 @@ namespace FlaxEditor.SceneGraph.Actors
         : base(actor)
         {
         }
-        
+
 
         /// <inheritdoc />
         public override bool OnVertexSnap(ref Ray ray, float hitDistance, out Vector3 result)
         {
             // Find the closest vertex to bounding box point (collision detection approximation)
-
             result = ray.GetPoint(hitDistance);
             var model = ((StaticModel)Actor).Model;
             if (model && !model.WaitForLoaded())
@@ -39,7 +38,8 @@ namespace FlaxEditor.SceneGraph.Actors
                     _vertices = new();
                 var pointLocal = (Float3)Actor.Transform.WorldToLocal(result);
                 var minDistance = float.MaxValue;
-                foreach (var lod in model.LODs) //[ToDo] fix it [Nori_SC note] this is wrong it should get current lod level going it throw all lods will create ghost snaping points
+                var lodIndex = 0; // TODO: use LOD index based on the game view
+                var lod = model.LODs[lodIndex];
                 {
                     var hit = false;
                     foreach (var mesh in lod.Meshes)

Source/Editor/SceneGraph/SceneGraphNode.cs

@@ -355,11 +355,11 @@ namespace FlaxEditor.SceneGraph
         /// <summary>
         /// Performs the vertex snapping for a given ray and hitDistance.
         /// </summary>
-        /// <param name="ray">Raycasted ray</param>
-        /// <param name="hitDistance">Hit distance from ray to object bounding box</param>
+        /// <param name="ray">The ray to raycast.</param>
+        /// <param name="hitDistance">Hit distance from ray to object bounding box.</param>
         /// <param name="result">The result point on the object mesh that is closest to the specified location.</param>
         /// <returns>True if got a valid result value, otherwise false (eg. if missing data or not initialized).</returns>
-        public virtual bool OnVertexSnap(ref Ray ray,float hitDistance, out Vector3 result) // [NoriSC note] ray and hit Distance will be needed for a future use, in mesh types for proper collision detection
+        public virtual bool OnVertexSnap(ref Ray ray, float hitDistance, out Vector3 result)
         {
             result = Vector3.Zero;
             return false;