[@dasifefe shared their thoughs][ecs-post]

about using multiple ECSes in a project.

[ecs-post]: https://dasifefe.com/post-2020-04-05-01.html

[@bitshifternz] (author of [glam]) has written [a blog post][mathbench-time]

about comparing build times of some popular Rust gamedev math crates

(including glam, cgmath, nalgebra, euclid, vek, pathfinder_geometry)

using a [mathbench-rs] unit tests suit.

[mathbench-time]: https://bitshifter.github.io/2020/04/12/mathbench-build-timings

[@bitshifternz]: https://twitter.com/bitshifternz

[mathbench-rs]: https://github.com/bitshifter/mathbench-rs

[glam]: https://github.com/bitshifter/glam-rs

@hoj-senna started writing a new tutorial about [ash] and Vulkan in general:

["Ashen Aetna"][ash-tutorial].

The current version has 20 chapters and covers basics of general 3d graphics

and setting all the stuff you need to draw your first triangle with [ash].

_Discussions:

[/r/rust](https://reddit.com/r/rust/comments/g7pypb/3d_graphics_rust_vulkan_ash)_

[ash-tutorial]: https://hoj-senna.github.io/ashen-aetna

[ash]: https://github.com/MaikKlein/ash


[@snorrwe] has written [a blog post][quadtree-post]

about exploring an implementation of a linear quadtree

and comparing it with a naive implementation of spacial data querying.

All code mentioned in the post [is available on GitHub][quadtree-repo].

_Discussions:

[/r/rust](https://reddit.com/r/rust/comments/g69hgg/ive_published_my_first_blog_post_implementing)_

[quadtree-post]: https://snorrwe.onrender.com/posts/morton-table

[quadtree-repo]: https://github.com/snorrwe/morton-table

[@snorrwe]: https://snorrwe.onrender.com/

[@sylvain has written a tutorial][ggez-camera] about implementing

a simple 2D camera on top of [GGEZ][ggez].

[ggez-camera]: https://dev.to/sobertkaos/simple-2dcamera-system-for-rust-with-ggez-2o2h

[ggez]: https://ggez.rs


^ _The pink orb should not collide with the player,

but it should collide with the ground._

[Anthropic Studios][anthropic] has [shared a post][matrices-post]

about implementing a layer system to ["Way of Rhea"'s][rhea] physics engine

using [symmetric matrices] and [triangle numbers].

[rhea]: https://store.steampowered.com/app/1110620/Way_of_Rhea

[anthropic]: https://anthropicstudios.com

[matrices-post]: https://anthropicstudios.com/2020/03/30/symmetric-matrices

[symmetric matrices]: https://en.wikipedia.org/wiki/Symmetric_matrix

[triangle numbers]: https://en.wikipedia.org/wiki/Triangular_number