Cleanup: Make curve deform argument optional

The "dir" argument to `BKE_where_on_path` was only actually
used in a few places. It's easier to see where those are if there
isn't always a dummy argument.

1 files changed, 3 insertions, 3 deletions

diff --git a/source/blender/draw/engines/overlay/overlay_extra.c b/source/blender/draw/engines/overlay/overlay_extra.c
index 73450db8eea..abcca5525c7 100644
--- a/source/blender/draw/engines/overlay/overlay_extra.c
+++ b/source/blender/draw/engines/overlay/overlay_extra.c
@@ -528,13 +528,13 @@ static void OVERLAY_forcefield(OVERLAY_ExtraCallBuffers *cb, Object *ob, ViewLay
     case PFIELD_GUIDE:
       if (cu && (cu->flag & CU_PATH) && ob->runtime.curve_cache->anim_path_accum_length) {
         instdata.size_x = instdata.size_y = instdata.size_z = pd->f_strength;
-        float pos[4], tmp[3];
-        BKE_where_on_path(ob, 0.0f, pos, tmp, NULL, NULL, NULL);
+        float pos[4];
+        BKE_where_on_path(ob, 0.0f, pos, NULL, NULL, NULL, NULL);
         copy_v3_v3(instdata.pos, ob->obmat[3]);
         translate_m4(instdata.mat, pos[0], pos[1], pos[2]);
         DRW_buffer_add_entry(cb->field_curve, color, &instdata);
 
-        BKE_where_on_path(ob, 1.0f, pos, tmp, NULL, NULL, NULL);
+        BKE_where_on_path(ob, 1.0f, pos, NULL, NULL, NULL, NULL);
         copy_v3_v3(instdata.pos, ob->obmat[3]);
         translate_m4(instdata.mat, pos[0], pos[1], pos[2]);
         DRW_buffer_add_entry(cb->field_sphere_limit, color, &instdata);