[meta] Integration tracking

[kvark]

Math libraries (optional dependency):

• Mint flavour integration servo/euclid#205
• Mint flavour integration rustgd/cgmath#418
• Mint integration dimforge/nalgebra#270
• Mint interop yoanlcq/vek#38
• bitshifter/glam-rs@99ef14a

Higher level libs:

• Replace cgmath bindings by mint gfx-rs/gfx#1301
• Normals generation gfx-rs/genmesh#43
• obj-rs
• Mint flavour integration three-rs/three#24
• ggez/ggez@3e63fa0

[torkleyy]

The "Math libraries" section is missing a popular alternative - nalgebra. Is there any reason why you didn't include it?

[kvark]

@torkleyy nalgebra integration is absolutely crucial as well, I just haven't started the actual PR yet.

[torkleyy]

Guess we can tick nalgebra now.

[krooq]

It seems glam also supports mint https://github.com/bitshifter/glam-rs.

I have struggled getting mint to work when it seems it should just work.
I opened an issue about this but closed it after some discussion as it really is obvious..
except for one thing...
Not all implementors document that mint is available as an optional feature, see cgmath https://github.com/rustgd/cgmath
Since mint is meant to be public facing API and this is the canonical way to enable mint in a math library, maybe it would be worth adding a note to the README.md with both the tracking information in this issue (just a link), and steps to get it to work in each library.

It might also be worth linking to some of the public facing discussion topics on use of mint:
rustgd/cgmath#418
dimforge/nalgebra#270
These provide a lot of useful context, especially this comment on "why not just use std types?"
rustgd/cgmath#418 (comment)