fix for Quaternion.to_axis_angle() returning a zero axis vector.

2012-03-20 23:37:54 +00:00 · 2012-03-20 23:37:54 +00:00 · 5935ff3aaa
commit 5935ff3aaa
parent c2531e47b6
1 changed files with 2 additions and 1 deletions
--- a/source/blender/python/mathutils/mathutils_Quaternion.c
+++ b/source/blender/python/mathutils/mathutils_Quaternion.c
@ -1105,7 +1105,8 @@ static PyObject *quat__apply_to_copy(PyNoArgsFunction quat_func, QuaternionObjec
 static void quat__axis_angle_sanitize(float axis[3], float *angle)
 {
 	if (axis) {
-		if (!finite(axis[0]) ||
+		if (is_zero_v3(axis) ||
+		    !finite(axis[0]) ||
 		    !finite(axis[1]) ||
 		    !finite(axis[2]))
 		{