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Improvement of #12974: better linear independent vector (#12979)

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DS 2023-03-13 18:16:07 +01:00 committed by GitHub
parent 02346819f9
commit cac1dca95b
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1 changed files with 3 additions and 1 deletions
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src/client/activeobjectmgr.cpp
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@ -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) {