Fix T74173 Assert when scaling camera in viewport to zero

Referenced by issue #74173, Assert when scaling camera in viewport to zero
2020-04-23 21:32:21 +02:00 · 2020-04-23 21:32:21 +02:00 · 54e1b63567 · 2023-02-13 23:22:49 +01:00
parent 0fbcb824d0
commit 54e1b63567
1 changed files with 4 additions and 0 deletions
--- a/source/blender/draw/engines/overlay/overlay_extra.c
+++ b/source/blender/draw/engines/overlay/overlay_extra.c
@ -1160,6 +1160,10 @@ void OVERLAY_camera_cache_populate(OVERLAY_Data *vedata, Object *ob)
  }
  else {
    copy_v3_fl3(scale, len_v3(ob->obmat[0]), len_v3(ob->obmat[1]), len_v3(ob->obmat[2]));
+    /* Avoid division by 0. */
+    if (ELEM(0.0f, scale[0], scale[1], scale[2])) {
+      return;
+    }
    invert_v3(scale);
  }