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Linear algebra functions and utilities for 3D rendering in C

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c3dlas
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izzy 4b95e710af fixed bug in veqexact hace 2 semanas
intersect 4b95e710af fixed bug in veqexact hace 2 semanas
optimizations 5d318b7e08 beginning migration to version 2 hace 4 años
.gitignore 8827e68c4b tri/plane clipping hace 4 años
LICENSE fe493e9cf8 point-polygon distance function hace 2 años
README.md 7393055bee Matrix-vector multiplication that preserves /what you want/ when transforming world coordinates into clip space for culling purposes hace 2 años
build.sh fe9395c9bd Mostly finished migration to version 2, filled in many missing functions hace 4 años
c3dlas.c 4b95e710af fixed bug in veqexact hace 2 semanas
c3dlas.h 4b95e710af fixed bug in veqexact hace 2 semanas
generic_vectors.h 9acb488671 forgot file hace 5 meses
inertia.c 9475019198 Inertial moment functions hace 1 año
inertia.h 9475019198 Inertial moment functions hace 1 año
legacy_migration.sh 5d318b7e08 beginning migration to version 2 hace 4 años
matrix3.c 5b8cd715ba missing semicolon and some other fixes hace 1 año
matrix4.c 4b95e710af fixed bug in veqexact hace 2 semanas
meshgen.c 7393055bee Matrix-vector multiplication that preserves /what you want/ when transforming world coordinates into clip space for culling purposes hace 2 años
meshgen.h 7393055bee Matrix-vector multiplication that preserves /what you want/ when transforming world coordinates into clip space for culling purposes hace 2 años
quaternion.c 3d231ff714 fixed horrible oversight in qMul hace 3 meses
short_macros.h e53f9c0dfb make the vector short macro initializers eat trailing commas hace 4 meses
test.c 5d318b7e08 beginning migration to version 2 hace 4 años

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.