diff options
Diffstat (limited to 'src/poser.c')
| -rw-r--r-- | src/poser.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/poser.c b/src/poser.c index 3fb4fe8..2cfe28d 100644 --- a/src/poser.c +++ b/src/poser.c @@ -45,7 +45,11 @@ void PoserData_lighthouse_pose_func(PoserData *poser_data, SurviveObject *so, ui // Now find the space with the same origin, but rotated so that gravity is up SurvivePose lighthouse2objUp = {}, object2objUp = {}; - quatfrom2vectors(object2objUp.Rot, so->activations.accel, up); + if (quatmagnitude(so->activations.accel)) { + quatfrom2vectors(object2objUp.Rot, so->activations.accel, up); + } else { + object2objUp.Rot[0] = 1.0; + } // Calculate the pose of the lighthouse in this space ApplyPoseToPose(&lighthouse2objUp, &object2objUp, &lighthouse2obj); |