diff options
| -rw-r--r-- | source/blender/blenlib/intern/math_rotation.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/source/blender/blenlib/intern/math_rotation.c b/source/blender/blenlib/intern/math_rotation.c index 4d4c1b718cd..a2da9f5f791 100644 --- a/source/blender/blenlib/intern/math_rotation.c +++ b/source/blender/blenlib/intern/math_rotation.c @@ -662,15 +662,16 @@ void print_qt(const char *str, const float q[4]) /* Axis angle to Quaternions */ void axis_angle_to_quat(float q[4], const float axis[3], const float angle) { + float nor[3]; - if (LIKELY(normalize_v3_v3(q + 1, axis) != 0.0f)) { + if (LIKELY(normalize_v3_v3(nor, axis) != 0.0f)) { const float phi = angle / 2.0f; float si; si = sinf(phi); q[0] = cosf(phi); - q[1] *= si; - q[2] *= si; - q[3] *= si; + q[1] = nor[0] * si; + q[2] = nor[1] * si; + q[3] = nor[2] * si; } else { unit_qt(q); |