Cleanup: Remove unnecessary handling of normals for fluid colliders

The normals are transformed, but not used. It looks like this logic was
just copied from below where the mesh is transformed for creating
emitters, which do use vertex normals.

1 files changed, 0 insertions, 7 deletions

diff --git a/source/blender/blenkernel/intern/fluid.c b/source/blender/blenkernel/intern/fluid.c
index 8e95bf18c6b..0fc09803088 100644
--- a/source/blender/blenkernel/intern/fluid.c
+++ b/source/blender/blenkernel/intern/fluid.c
@@ -1038,8 +1038,6 @@ static void obstacles_from_mesh(Object *coll_ob,
 
     /* Transform mesh vertices to domain grid space for fast lookups.
      * This is valid because the mesh is copied above. */
-    BKE_mesh_vertex_normals_ensure(me);
-    float(*vert_normals)[3] = BKE_mesh_vertex_normals_for_write(me);
     for (i = 0; i < numverts; i++) {
       float co[3];
 
@@ -1047,11 +1045,6 @@ static void obstacles_from_mesh(Object *coll_ob,
       mul_m4_v3(coll_ob->obmat, mvert[i].co);
       manta_pos_to_cell(fds, mvert[i].co);
 
-      /* Vertex normal. */
-      mul_mat3_m4_v3(coll_ob->obmat, vert_normals[i]);
-      mul_mat3_m4_v3(fds->imat, vert_normals[i]);
-      normalize_v3(vert_normals[i]);
-
       /* Vertex velocity. */
       add_v3fl_v3fl_v3i(co, mvert[i].co, fds->shift);
       if (has_velocity) {