Fixed issue with inverted normals on elements with negative scaling

Author: KaiKostack

kk_bullet_constraints_builder.zip

@@ -272,7 +272,7 @@ def build_fm(use_handler=0):
         objParent.select = 1
         bpy.context.scene.objects.active = objParent
         print("Parenting", ob.name, "to", objParent.name, "...")
-        try: bpy.ops.object.parent_set(type='OBJECT', keep_transform=True)
+        try: bpy.ops.object.parent_set(type='OBJECT', keep_transform=False)
         except:
             print("Error: Parenting failed. This can happen when not only the structure")
             print("was selected but also the ground.")

kk_bullet_constraints_builder/builder_fm.py

@@ -654,7 +654,7 @@ def makeParentsForTooSmallElementsReal(objs, connectsPairParent):
         objParent.select = 1
         objChild.select = 1
         bpy.context.scene.objects.active = objParent   # Parent
-        bpy.ops.object.parent_set(type='OBJECT', keep_transform=True)
+        bpy.ops.object.parent_set(type='OBJECT', keep_transform=False)
         objParent.select = 0
         objChild.select = 0
 
@@ -1861,7 +1861,7 @@ def createParentsIfRequired(scene, objs, objsEGrp, childObjs):
             parentObj.select = 1
             childObj.select = 1
             bpy.context.scene.objects.active = parentObj
-            bpy.ops.object.parent_set(type='OBJECT', keep_transform=True)
+            bpy.ops.object.parent_set(type='OBJECT', keep_transform=False)
             parentObj.select = 0
             childObj.select = 0
             if len(childObjsNew) > 0: print()

kk_bullet_constraints_builder/builder_prep.py

@@ -1371,7 +1371,7 @@ def tool_groundMotion(scene):
 
         ### Make object parent for selected objects
         bpy.context.scene.objects.active = objGnd  # Parent
-        bpy.ops.object.parent_set(type='OBJECT', keep_transform=True)
+        bpy.ops.object.parent_set(type='OBJECT', keep_transform=False)
 
         # Enable animated flag for all passive rigid bodies so that Bullet takes their motion into account
         for obj in objs: obj.rigid_body.kinematic = True
@@ -1404,7 +1404,7 @@ def tool_groundMotion(scene):
         ### Make object parent for selected objects
         objGnd.select = 1  # Child
         bpy.context.scene.objects.active = objMot  # Parent
-        bpy.ops.object.parent_set(type='OBJECT', keep_transform=True)
+        bpy.ops.object.parent_set(type='OBJECT', keep_transform=False)
         objGnd.select = 0
 
         # Use given motion object for creating artificial earthquake motion from now on