Cleanup: rename parameter in transform utility

`inv_unit_scale` is not descriptive.

2 files changed, 9 insertions, 8 deletions

diff --git a/source/blender/editors/transform/transform_convert.c b/source/blender/editors/transform/transform_convert.c
index 094ae080de0..d756e2c90a6 100644
--- a/source/blender/editors/transform/transform_convert.c
+++ b/source/blender/editors/transform/transform_convert.c
@@ -1662,20 +1662,23 @@ void animrecord_check_state(TransInfo *t, struct Object *ob)
   }
 }
 
-void transform_convert_flush_handle2D(TransData *td, TransData2D *td2d, const float inv_unit_scale)
+void transform_convert_flush_handle2D(TransData *td, TransData2D *td2d, const float y_fac)
 {
+  float delta_x = td->loc[0] - td->iloc[0];
+  float delta_y = (td->loc[1] - td->iloc[1]) * y_fac;
+
   /* If the handles are to be moved too
    * (as side-effect of keyframes moving, to keep the general effect)
    * offset them by the same amount so that the general angles are maintained
    * (i.e. won't change while handles are free-to-roam and keyframes are snap-locked).
    */
   if ((td->flag & TD_MOVEHANDLE1) && td2d->h1) {
-    td2d->h1[0] = td2d->ih1[0] + td->loc[0] - td->iloc[0];
-    td2d->h1[1] = td2d->ih1[1] + (td->loc[1] - td->iloc[1]) * inv_unit_scale;
+    td2d->h1[0] = td2d->ih1[0] + delta_x;
+    td2d->h1[1] = td2d->ih1[1] + delta_y;
   }
   if ((td->flag & TD_MOVEHANDLE2) && td2d->h2) {
-    td2d->h2[0] = td2d->ih2[0] + td->loc[0] - td->iloc[0];
-    td2d->h2[1] = td2d->ih2[1] + (td->loc[1] - td->iloc[1]) * inv_unit_scale;
+    td2d->h2[0] = td2d->ih2[0] + delta_x;
+    td2d->h2[1] = td2d->ih2[1] + delta_y;
   }
 }
 
diff --git a/source/blender/editors/transform/transform_convert.h b/source/blender/editors/transform/transform_convert.h
index fa34e2555d6..9cb0400cad9 100644
--- a/source/blender/editors/transform/transform_convert.h
+++ b/source/blender/editors/transform/transform_convert.h
@@ -43,9 +43,7 @@ void sort_trans_data_dist(TransInfo *t);
 void createTransData(struct bContext *C, TransInfo *t);
 bool clipUVTransform(TransInfo *t, float vec[2], const bool resize);
 void clipUVData(TransInfo *t);
-void transform_convert_flush_handle2D(TransData *td,
-                                      TransData2D *td2d,
-                                      const float inv_unit_scale);
+void transform_convert_flush_handle2D(TransData *td, TransData2D *td2d, const float y_fac);
 void recalcData(TransInfo *t);
 
 /* transform_convert_mesh.c */