Fix T70888: GPencil Sculpt tools don't work properly in a particular situation

Thanks to @charlie for his help fixing this bug.
2019-10-21 20:06:46 +02:00
parent d0cba5caf4
commit 388c954cb5
1 changed files with 3 additions and 1 deletions
--- a/source/blender/editors/gpencil/gpencil_brush.c
+++ b/source/blender/editors/gpencil/gpencil_brush.c
@@ -637,7 +637,9 @@ static bool gp_brush_push_apply(tGP_BrushEditData *gso,
  mul_v3_v3fl(delta, gso->dvec, inf);

  /* apply */
-  mul_mat3_m4_v3(gso->object->obmat, delta); /* only rotation component */
+  float inv_mat[4][4];
+  invert_m4_m4(inv_mat, gso->object->obmat);
+  mul_mat3_m4_v3(inv_mat, delta); /* only rotation component */
  add_v3_v3(&pt->x, delta);

  /* compute lock axis */