[Bf-blender-cvs] [a34a653] master: Fix for transform local-axis calculation with zero length normals

Campbell Barton noreply at git.blender.org
Fri Apr 25 18:09:54 CEST 2014


Commit: a34a65314c82eb4fc34cd6b922e40b19cece5ade
Author: Campbell Barton
Date:   Sat Apr 26 02:01:54 2014 +1000
https://developer.blender.org/rBa34a65314c82eb4fc34cd6b922e40b19cece5ade

Fix for transform local-axis calculation with zero length normals

===================================================================

M	source/blender/editors/transform/transform_conversions.c

===================================================================

diff --git a/source/blender/editors/transform/transform_conversions.c b/source/blender/editors/transform/transform_conversions.c
index 2ac92ce..0ad7750 100644
--- a/source/blender/editors/transform/transform_conversions.c
+++ b/source/blender/editors/transform/transform_conversions.c
@@ -2059,9 +2059,13 @@ static struct TransIslandData *editmesh_islands_info_calc(BMEditMesh *em, int *r
 			/* pass */
 		}
 		else {
-			normalize_v3(no);
-			axis_dominant_v3_to_m3(trans_islands[i].axismtx, no);
-			invert_m3(trans_islands[i].axismtx);
+			if (normalize_v3(no) != 0.0f) {
+				axis_dominant_v3_to_m3(trans_islands[i].axismtx, no);
+				invert_m3(trans_islands[i].axismtx);
+			}
+			else {
+				unit_m3(trans_islands[i].axismtx);
+			}
 		}
 	}




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