io_scene_3ds/export_3ds.py

@@ -882,7 +882,7 @@ def remove_face_uv(verts, tri_list):
         for ii, uv_3ds in unique_uvs[i].values():
             # add a vertex duplicate to the vertex_array for every uv associated with this vertex:
             vert_array.add(pt)
-            # add the uv coordinate to the uv array:
+            # add the uv coordinate to the uv array
             # This for loop does not give uv's ordered by ii, so we create a new map
             # and add the uv's later
             # uv_array.add(uv_3ds)
@@ -1084,7 +1084,7 @@ def make_track_chunk(ID, ob, ob_pos, ob_rot, ob_size):
        construct a position, rotation, scale, roll, color or fov track."""
     track_chunk = _3ds_chunk(ID)
 
-    if ID in {POS_TRACK_TAG, ROT_TRACK_TAG, SCL_TRACK_TAG} and ob.animation_data and ob.animation_data.action:
+    if ID in {POS_TRACK_TAG, ROT_TRACK_TAG, SCL_TRACK_TAG, ROLL_TRACK_TAG} and ob.animation_data and ob.animation_data.action:
         action = ob.animation_data.action
         if action.fcurves:
             fcurves = action.fcurves
@@ -1257,7 +1257,8 @@ def make_object_node(ob, translation, rotation, scale):
         obj_node_header_chunk.add_variable("name", _3ds_string(sane_name(name)))
         obj_node_header_chunk.add_variable("flags1", _3ds_ushort(0x0040))
 
-        # Flag 0x01 display path 0x02 use autosmooth 0x04 object frozen 0x10 motion blur 0x20 material morph 0x40 mesh morph
+        # Flags2 defines bit 0x01 for display path, bit 0x02 use autosmooth, bit 0x04 object frozen
+        # bit 0x10 for motion blur, bit 0x20 for material morph and bit 0x40 for mesh morph
         if ob.type == 'MESH' and ob.data.use_auto_smooth:
             obj_node_header_chunk.add_variable("flags2", _3ds_ushort(0x02))
         else: