Recent Forum Threads

Forum handmade.network
Post date Aug. 3, 2017, 5:13 a.m.

3D rotations with 3D Gibbs vectors in place of 4D quaternions


Recently I discovered that Gibbs vectors multiply and rotate exactly like quaternions (because th…
Forum Odin
Post date April 18, 2017, 2:24 p.m.

SDL2, OpenGL ES 2.0 example for Windows / Linux


I think it might be useful for people who want to start writing graphics code in Odin: https://g…

Recent Forum Replies

Forum handmade.network
Post date Aug. 14, 2017, 9:52 a.m.

3D rotations with 3D Gibbs vectors in place of 4D quaternions

On the second thought, if you encode that sign bit into one of the vector components, then it'll …
Forum handmade.network
Post date Aug. 14, 2017, 9:36 a.m.

3D rotations with 3D Gibbs vectors in place of 4D quaternions

ratchetfreak if you want compression then you can drop the magnitude of the w component without d…
Forum handmade.network
Post date Aug. 14, 2017, 9:04 a.m.

3D rotations with 3D Gibbs vectors in place of 4D quaternions

OR maybe I should stop looking for fixes for obviously broken interpolation of Gibbs vectors and …
Forum handmade.network
Post date Aug. 14, 2017, 8:04 a.m.

3D rotations with 3D Gibbs vectors in place of 4D quaternions

cmuratori No, unfortunately the exponential map actually has neither the short route or the long…
Forum handmade.network
Post date Aug. 12, 2017, 4:22 p.m.

3D rotations with 3D Gibbs vectors in place of 4D quaternions

ratchetfreak when interpolating rotations there are 2 ways you can go, the short route or the lon…