spring addition will be ordered to match hierarchy

Editor/ComponentsWindow.cpp

@@ -158,6 +158,20 @@ void ComponentsWindow::Create(EditorComponent* _editor)
 			break;
 		case 5:
 			scene.springs.Create(entity);
+
+			// Springs are special because they are computed in ordered fashion
+			//	So if we add a new spring that was parent of an other one, we move it in memory before the child
+			for (size_t i = 0; i < scene.springs.GetCount(); ++i)
+			{
+				Entity other = scene.springs.GetEntity(i);
+				const HierarchyComponent* hier = scene.hierarchy.GetComponent(other);
+				if (hier != nullptr && hier->parentID == entity)
+				{
+					size_t entity_index = scene.springs.GetCount() - 1; // last added entity (the parent)
+					scene.springs.MoveItem(entity_index, i); // will be moved before
+					break;
+				}
+			}
 			break;
 		case 6:
 			scene.inverse_kinematics.Create(entity);

WickedEngine/wiScene.cpp

@@ -3294,7 +3294,6 @@ namespace wi::scene
 
 			const HierarchyComponent* hier = hierarchy.GetComponent(entity);
 			size_t parent_index = hier == nullptr ? ~0ull : transforms.GetIndex(hier->parentID);
-			//TransformComponent* parent_transform = hier == nullptr ? nullptr : transforms.GetComponent(hier->parentID);
 			if (parent_index != ~0ull)
 			{
 				// Spring hierarchy resolve depends on spring component order!
@@ -3358,7 +3357,7 @@ namespace wi::scene
 		{
 			for (size_t i = 0; i < transforms.GetCount(); ++i)
 			{
-				// IK shouldn't modify local space, so only update the world matrices!
+				// Springs shouldn't modify local space, so only update the world matrices!
 				transforms[i].world = transforms_temp[i].world;
 			}
 		}