BRNSystems/minetest
1
0
Fork 0
forked from Mirrorlandia_minetest/minetest
Code Pull Requests 1 Activity

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

Browse Source
This commit is contained in:
DS 2023-03-13 18:16:07 +01:00 committed by GitHub
parent 02346819f9
commit cac1dca95b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/client/activeobjectmgr.cpp
View File

@ -117,7 +117,9 @@ void ActiveObjectMgr::getActiveSelectableObjects(const core::line3d<f32> &shootl
f32 max_d = shootline.getLength(); f32 max_d = shootline.getLength();
v3f dir = shootline.getVector().normalize(); 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); v3f dir_ortho2 = dir.crossProduct(dir_ortho1);
for (auto &ao_it : m_active_objects) { for (auto &ao_it : m_active_objects) {