excessive/cpml

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Cirno's Perfect Math Library: Just about everything you need for 2D/3D games. Hopefully.

Stars: 351
Forks: 43
Open beginner issues: 0
Indexed issues: 14

Dominant language: Lua
License: No license data
Last GitHub push: Feb 11, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

Maintainers gone? Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

excessive/cpml#93 · 2 comments · Opened Feb 10, 2026
Rock is missing files (bvh, bound2/3) Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

excessive/cpml#92 · 1 comment · Opened Oct 2, 2025
quat.from_direction returning un-normalized quaternions Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

excessive/cpml#87 · Opened Sep 26, 2023
Zero documentation in LDOC (online docs) for modules/intersect.lua Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

excessive/cpml#86 · Opened Jul 16, 2023
FFI is not used for mat4 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

excessive/cpml#85 · Opened Jul 12, 2023
cpml.mat4.to_vec4s() and cpml.mat4.to_vec4s_cols() are reversed Open

bug inconsistency

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

excessive/cpml#84 · 1 comment · Opened Jan 12, 2023
cpml.mat4.from_transform() computes the wrong rotation matrix. Open

bug inconsistency

Difficulty 3/5 1-2 days Newbie friendliness 45/100

excessive/cpml#83 · 1 comment · Opened Jan 12, 2023
Feature request: Matrix decomposition Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 38/100

excessive/cpml#82 · Opened Jan 12, 2023
mat4 functions that take a matrix in to transform should not perform a backwards implicit mul Open

inconsistency

excessive/cpml#77 · 1 comment · 1 assignee · Opened Apr 29, 2022
Add statistics module Open

enhancement

excessive/cpml#67 · 3 comments · 1 assignee · Opened Jan 16, 2022
[Q] Any usage examples, tests? Open

docs question

Difficulty 3/5 1-2 days Newbie friendliness 25/100

excessive/cpml#41 · 3 comments · Opened Oct 2, 2019
Luarocks Lua version Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

excessive/cpml#25 · 2 comments · Opened Jul 10, 2017
Versioning on LuaRocks (and in general) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

excessive/cpml#22 · 3 comments · Opened Jan 4, 2017
Re-introduce out-variables as optional function variants. Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

excessive/cpml#20 · 1 comment · 2 reactions · Opened Dec 16, 2016

excessive/cpml

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