fix scaling issue with collider offset manipulators

Signed-off-by: greerdv <greerdv@amazon.com>

Gems/PhysX/Code/Editor/ColliderOffsetMode.cpp

@@ -45,19 +45,19 @@ namespace PhysX
         m_translationManipulators.InstallLinearManipulatorMouseMoveCallback([this, idPair](
             const AzToolsFramework::LinearManipulator::Action& action)
         {
-            OnManipulatorMoved(action.LocalPosition(), idPair);
+            OnManipulatorMoved(action.m_start.m_localPosition, action.m_current.m_localPositionOffset, idPair);
         });
 
         m_translationManipulators.InstallPlanarManipulatorMouseMoveCallback([this, idPair](
             const AzToolsFramework::PlanarManipulator::Action& action)
         {
-            OnManipulatorMoved(action.LocalPosition(), idPair);
+            OnManipulatorMoved(action.m_start.m_localPosition, action.m_current.m_localOffset, idPair);
         });
 
         m_translationManipulators.InstallSurfaceManipulatorMouseMoveCallback([this, idPair](
             const AzToolsFramework::SurfaceManipulator::Action& action)
         {
-            OnManipulatorMoved(action.LocalPosition(), idPair);
+            OnManipulatorMoved(action.m_start.m_localPosition, action.m_current.m_localOffset, idPair);
         });
     }
 
@@ -74,10 +74,14 @@ namespace PhysX
         m_translationManipulators.Unregister();
     }
 
-    void ColliderOffsetMode::OnManipulatorMoved(const AZ::Vector3& position, const AZ::EntityComponentIdPair& idPair)
+    void ColliderOffsetMode::OnManipulatorMoved(const AZ::Vector3& startPosition, const AZ::Vector3& offset, const AZ::EntityComponentIdPair& idPair)
     {
-        m_translationManipulators.SetLocalPosition(position);
-        PhysX::EditorColliderComponentRequestBus::Event(idPair, &PhysX::EditorColliderComponentRequests::SetColliderOffset, position);
+        AZ::Transform worldTransform = AZ::Transform::CreateIdentity();
+        AZ::TransformBus::EventResult(worldTransform, idPair.GetEntityId(), &AZ::TransformBus::Events::GetWorldTM);
+        const float scale = AZ::GetMax(AZ::MinTransformScale, worldTransform.GetUniformScale());
+        const AZ::Vector3 newPosition = startPosition + offset / scale;
+        m_translationManipulators.SetLocalPosition(newPosition);
+        PhysX::EditorColliderComponentRequestBus::Event(idPair, &PhysX::EditorColliderComponentRequests::SetColliderOffset, newPosition);
     }
 
     void ColliderOffsetMode::ResetValues(const AZ::EntityComponentIdPair& idPair)

Gems/PhysX/Code/Editor/ColliderOffsetMode.h

@@ -28,7 +28,8 @@ namespace PhysX
         void ResetValues(const AZ::EntityComponentIdPair& idPair) override;
 
     private:
-        void OnManipulatorMoved(const AZ::Vector3& position, const AZ::EntityComponentIdPair& idPair);
+        void OnManipulatorMoved(
+            const AZ::Vector3& startPosition, const AZ::Vector3& offset, const AZ::EntityComponentIdPair& idPair);
 
         AzToolsFramework::TranslationManipulators m_translationManipulators;
     };