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Diffstat (limited to 'src/client/activeobjectmgr.cpp')
| -rw-r--r-- | src/client/activeobjectmgr.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/client/activeobjectmgr.cpp b/src/client/activeobjectmgr.cpp index 3f5178908..7b7fab033 100644 --- a/src/client/activeobjectmgr.cpp +++ b/src/client/activeobjectmgr.cpp @@ -117,7 +117,9 @@ void ActiveObjectMgr::getActiveSelectableObjects(const core::line3d<f32> &shootl f32 max_d = shootline.getLength(); v3f dir = shootline.getVector().normalize(); - v3f dir_ortho1 = dir.crossProduct(dir + v3f(1,0,0)).normalize(); + // arbitrary linearly independent vector and orthogonal dirs + v3f li2dir = dir + (std::fabs(dir.X) < 0.5f ? v3f(1,0,0) : v3f(0,1,0)); + v3f dir_ortho1 = dir.crossProduct(li2dir).normalize(); v3f dir_ortho2 = dir.crossProduct(dir_ortho1); for (auto &ao_it : m_active_objects) { |