aeva"I'll simply use Jolt Physics for this project", she says as she proceeds to write the "physics" from scratch instead.
I'll post a video later, but my splat renderer thingy now has a rudimentary character controller and ricochet :3
John O'Kanealright, here it is! my splat renderer, now interactive! and mangled by whatever video encoding Windows uses by default for screen recordings
CW strobing
I put it up on itch if anyone wants to mess around with it https://aeva.itch.io/vroom
I recently overhauled my renderer to use fixed point for world space coordinates, and here's a speed test showing what that gets me :3
In this video, the camera immediately accelerates up to 600 miles per hour and holds that speed for a moment, then briefly accelerates up to 600 miles per second, and then slows rapidly back to a resting speed.
CW strobing
Evie 🏳️⚧️@aeva now figure out how to GI a world that big :P
@pupxel well, it's already a surfel renderer, so
@aeva *takes notes*
@pupxel if I were to add GI to the renderer, I'd probably do something similar to EA's method, but I probably wont bother with GI because I don't really need it for the game I'm making.
@aeva *nods and scribbles*
@pupxel are you familiar with surfel GI?
@aeva nope! I'm baby :P
@pupxel the gist is you place ephemeral surfels in screen space but attach them to world coordinates so they can remain stationary. These are then GI probes which propagate bounce lighting every frame. Thus, infinite* bounce lighting!
*with convergence time
@aeva 30min into the video and they already reference like 100 papers welp
Jon Valdés@jon_valdes @pupxel nope lmao
@jon_valdes @pupxel "whoops all camera cuts" lol
ideaPDishVery cool reindeer, does santa know?
Santa has many reindeer, but none flashier than Rudolph, like this one.
@aeva
When does reindeer go splat?
When does reindeer go splat?
Celes 🌙@aeva when this renderer hits 600 miles per hour, you're gonna see some serious sh*t
Andrew Zonenberg@aeva Hmm. That's about 0.003*c, would there be enough blue shift to cause noticeable color changes of approaching objects?
@azonenberg oh!! That's a good idea! I hadn't considered adding blue shift :O
@aeva The challenge is that doing it right would require hyperspectral modeling of object colors (RGB wouldn't be enough).
Years ago in an undergraduate computer graphics class I played around with a volumetric flame renderer that used spectrally accurate representations of blackbodies, it's fun but definitely not trivial.
@azonenberg that sounds awesome though
@aeva Yeah.
The best idea I have is to first do your normal material shading, calculate the combined emitted/specular/diffuse etc intensity as a function of wavelength, then displace that resulting curve by the red shift and calculate the final RGB color as a weighted sum of RGB values for visible wavelengths.
Efi (nap pet) 🦊💤@aeva this is silly
wb x64
Mari the Deer 
@aeva wheeeeeeee
Tom Forsyth@aeva Good stuff! For easier debugging, make sure by default you start the camera half-way to infinity, and also start the time 8 hours in.
If you start both near the origin, it just hides bugs.
@TomF That's why the warp speed jump is there right now, it always happens on startup. I'll switch it to a fixed, arbitrarily large offset once I'm bored of it. I need to tear out the floating point time yet, so that's still the wrong way for now >_>
Super Blue Owl JumpThat looks just so cool.
flaeky pancako@aeva so pretty ..
Kojack 🦎@aeva Hmm, Vivaldi is refusing to let me download it, it says there's a virus in the zip.
(Apparently Trojan:Win32/Wacatac.B!ml according to MS Defender)
(Apparently Trojan:Win32/Wacatac.B!ml according to MS Defender)
@kojack It's a false positive unless itch is tampering with downloads. The source code is here btw https://github.com/Aeva/tangerine/tree/chemical_lemonade/10_surfel_spray
@kojack The program is a simple monogame game. It only accesses the file system to read shaders, and it does not access the network or anything like that. Modern antivirus software tends to be machine learning based with popular software exempted by hash, so I'm not really sure what I can really do about it :(
@aeva Yep, I assumed it was a false positive, just letting you know windows is blocking it.
@kojack I appreciate you letting me know. I'm going to look into submitting a false positive report later. Apparently this is a common problem with .net 🙃 https://github.com/dotnet/runtime/issues/33745
/p:PublishTrimmed=true activates Windows Defender with a false-positive. · Issue #33745 · dotnet/runtime
On NET.Core 3.1, Windows 10, VS 2019: /p:PublishTrimmed=true will cause Windows Defender to go berserk on my machine. /p:PublishTrimmed=false does not trigger any unexpected behavior. I do not have...
@aeva Runs very well on my laptop when I turn off Defender. :)
Clifton RoystonYeah it's *super* fun when you're distributing expensive commercial software and it gets flagged as being a Trojan due to some random hash matching up.
Just oodles of good times, because most AV software is a total crock of shit.
Only way I know of to (mostly) prevent it is going to digital signing of the executable, which is also a huge pain.
gunstick
mmby
Adrien Dittrick@aeva I am speed
Collaboration Games 🇺🇦
James Widman@aeva very nice!