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Linear algebra functions and utilities for 3D rendering in C

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c3dlas
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izzy 73428f7bbb quad/point intersection 2 týždňov pred
algorithms 558af45f6c 2d line rasterization algorithms designed for searching spatial hashes 3 mesiacov pred
intersect 73428f7bbb quad/point intersection 2 týždňov pred
optimizations 5d318b7e08 beginning migration to version 2 4 rokov pred
.gitignore 8827e68c4b tri/plane clipping 5 rokov pred
LICENSE fe493e9cf8 point-polygon distance function 2 rokov pred
README.md 7393055bee Matrix-vector multiplication that preserves /what you want/ when transforming world coordinates into clip space for culling purposes 2 rokov pred
build.sh fe9395c9bd Mostly finished migration to version 2, filled in many missing functions 4 rokov pred
c3dlas.c 73428f7bbb quad/point intersection 2 týždňov pred
c3dlas.h 73428f7bbb quad/point intersection 2 týždňov pred
generic_vectors.h 88eaf75163 vDiv, fixes for matrix and quaternion fns 5 mesiacov pred
inertia.c 9475019198 Inertial moment functions 2 rokov pred
inertia.h 9475019198 Inertial moment functions 2 rokov pred
legacy_migration.sh 5d318b7e08 beginning migration to version 2 4 rokov pred
line.c 6554cc3f7b fixed linelineline2 function 1 mesiac pred
matrix3.c 5b8cd715ba missing semicolon and some other fixes 2 rokov pred
matrix4.c 17796af1d4 fixed #if 3 mesiacov pred
meshgen.c 7393055bee Matrix-vector multiplication that preserves /what you want/ when transforming world coordinates into clip space for culling purposes 2 rokov pred
meshgen.h 7393055bee Matrix-vector multiplication that preserves /what you want/ when transforming world coordinates into clip space for culling purposes 2 rokov pred
quad.c 73428f7bbb quad/point intersection 2 týždňov pred
quaternion.c 81a45094c1 new ine/rectangle functions, reorganization of line functions 3 mesiacov pred
short_macros.h e53f9c0dfb make the vector short macro initializers eat trailing commas 9 mesiacov pred
test.c 5d318b7e08 beginning migration to version 2 4 rokov pred

README.md

c3dlas

Linear algebra functions and utilities for 3D rendering in C

This library exists because I couldn't find an MIT/BSD licensed C library for doing the math required in a OpenGL program. It's not optimized, extensive, or sophisticated. It is free and written in pure C.

C++ has become fat and ugly with age. Not that it was a 9 to start with...

ATLAS/CBLAS are an incomprehensible mess.

GPL, while a wonderful thing, is a bit heavy-handed for some basic math functions.

I firmly believe that such a library did not exist because most of the functionality was built in to older OpenGL versions. By the time OpenGL 3.3 came out most developers had converted to worshiping under the altar of OOP.

There are probably math bugs somewhere. If you find one, report it on github. Preferably include how to fix it to make my life easier.