TCAGuiEditor: improved performance of update_mass_and_CoM, _inertia_t…

…ensor Related to #95 #94
allista · Jul 29, 2020 · fe1176d · fe1176d
1 parent d86b2f0
commit fe1176d
Showing 1 changed file with 14 additions and 4 deletions.
diff --git a/GUI/TCAGuiEditor.cs b/GUI/TCAGuiEditor.cs
@@ -185,8 +185,9 @@ void update_inertia_tensor(Part part)
             if(!EditorLogic.RootPart) return;
             var partMass = part.mass;
             if(use_wet_mass) partMass += part.GetResourceMass();
+            var T = part.transform;
             Vector3 partPosition = EditorLogic.RootPart.transform
-                .InverseTransformDirection(part.transform.position + part.transform.rotation * part.CoMOffset - CoM);
+                .InverseTransformDirection(T.position + T.rotation * part.CoMOffset - CoM);
             for(int i = 0; i < 3; i++)
             {
                 InertiaTensor.Add(i, i, partMass * partPosition.sqrMagnitude);
@@ -203,11 +204,20 @@ void update_mass_and_CoM(Part part)
             var wetMass = dryMass + part.GetResourceMass();
             Vector3 pos = Vector3.zero;
             if(part.physicalSignificance == Part.PhysicalSignificance.FULL)
-                pos = part.transform.position + part.transform.rotation * part.CoMOffset;
+            {
+                var T = part.transform;
+                pos = T.position + T.rotation * part.CoMOffset;
+            }
             else if(part.parent != null)
-                pos = part.parent.transform.position + part.parent.transform.rotation * part.parent.CoMOffset;
+            {
+                var T = part.parent.transform;
+                pos = T.position + T.rotation * part.parent.CoMOffset;
+            }
             else if(part.potentialParent != null)
-                pos = part.potentialParent.transform.position + part.potentialParent.transform.rotation * part.potentialParent.CoMOffset;
+            {
+                var T = part.potentialParent.transform;
+                pos = T.position + T.rotation * part.potentialParent.CoMOffset;
+            }
             WetCoM += pos * wetMass;
             DryCoM += pos * dryMass;
             WetMass += wetMass;