small updates following review feedback

Signed-off-by: hultonha <hultonha@amazon.co.uk>

Gems/LmbrCentral/Code/Source/Shape/TubeShape.cpp

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
- * 
+ *
  * SPDX-License-Identifier: Apache-2.0 OR MIT
  *
  */
@@ -131,7 +131,7 @@ namespace LmbrCentral
             m_variableRadius.SetElement(vertIndex, radius);
             ValidateVariableRadius(vertIndex);
         }
-         
+
         ShapeComponentNotificationsBus::Event(
             m_entityId, &ShapeComponentNotificationsBus::Events::OnShapeChanged,
             ShapeComponentNotifications::ShapeChangeReasons::ShapeChanged);
@@ -379,9 +379,10 @@ namespace LmbrCentral
         const float radius, const AZ::u32 capSegments, const AZ::u32 sides,
         AZStd::vector<AZ::Vector3>& vertexBufferOut)
     {
-        if (const size_t segmentCount = spline->GetSegmentCount(); segmentCount == 0)
+        const size_t segmentCount = spline->GetSegmentCount();
+        if (segmentCount == 0)
         {
-            // clear the buffers so we no longer draw anything
+            // clear the buffer so we no longer draw anything
             vertexBufferOut.clear();
             return;
         }
@@ -400,7 +401,7 @@ namespace LmbrCentral
         // 2 verts for each segment
         //  loops == sides
         //   2 loops per segment
-        const AZ::u32 segments = spline->GetSegmentCount() * spline->GetSegmentGranularity();
+        const AZ::u32 segments = segmentCount * spline->GetSegmentGranularity();
         const AZ::u32 totalEndSegments = capSegments * 2 * 2 * 2 * 2;
         const AZ::u32 totalSegments = segments * 2 * 2 * 2;
         const AZ::u32 totalLoops = 2 * sides * segments * 2;
@@ -429,7 +430,7 @@ namespace LmbrCentral
         // body
         const float stepDelta = 1.0f / static_cast<float>(spline->GetSegmentGranularity());
         auto nextAddress = address;
-        const auto endIndex = address.m_segmentIndex + spline->GetSegmentCount();
+        const auto endIndex = address.m_segmentIndex + segmentCount;
         while (address.m_segmentIndex < endIndex)
         {
             address.m_segmentFraction = 0.f;