libera/#shirakumo - IRC Chatlog
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8:11:35
Colleen
<|3b|> selwyn: throw a cardboard box in front of a moving bus, and i suspect you would see problems with single floats (aka scales actually are different enough to be a problem with single floats, if i remember correctly)
8:13:16
Colleen
<shinmera> It's a problem with high speeds and it's a problem if things are far away (large enough worlds)
8:14:41
Colleen
<|3b|> and "large enough" isn't all that big, aren't you in the cm range a few km from origin?
8:16:52
Colleen
<|3b|> ACTION 's brain wasn't being particularly cooperative to start with, then there was an ice storm at the beginning of feb that dropped a few trees on my car, house etc (somehow without actually doing any visible damage to either), which was somewhat stressful and distracting
8:18:52
Colleen
<|3b|> lot less rough than it could have been, since the tree could have easily squashed the car :p
8:21:44
Colleen
<|3b|> ACTION 's brain is possibly trending back towards usability, but not wanting to do the "need to do" tasks like dealing with those branches tends to be a problem since if i think there is something else more important i should be doing i end up not doing anything :/
8:24:26
Colleen
<|3b|> acquiring medication is on that list of things that causes problems (though tends to get ignored)
8:25:21
Colleen
<shinmera> I fortunately don't suffer from ADHD stuff like that, but I have started taking Lexapro/Cipralex/Escitalopram in December and it's helped my depression a lot.
8:26:03
Colleen
<shinmera> Yeah, just trying to say that it can be absolutely worth it to get that stuff done.
8:36:28
Colleen
<|3b|> doesn't help that i'm very bad at any sort of remembering/imagining of 'sensory' type stuff (including stuff like state of mind), so i can't even really tell if things are working or not if it isn't a huge difference
8:37:37
Colleen
<shinmera> Have you tried keeping a journal? Like, just jot down a sentence or two before bed?
8:38:25
Colleen
<shinmera> Like, as far as I understand the antidepressants aren't happy pills anyway, but if they work they prevent doomspirals and other holes. Which it definitely has for me.
8:38:26
Colleen
<|3b|> not previously, but if i try that sorts of meds again i will probably try to do so
8:38:59
Colleen
<shinmera> So it's not that it has made me happier, really, but it has prevented me from falling into endless cycles of "I fucking suck"
8:40:09
Colleen
<shinmera> Even just that little can make you more aware and mindful of yourself, and that can help on its own.
8:40:35
Colleen
<|3b|> ACTION isn't sure if i have a different sort of depression from others, or if i just happened to have different context that affects it, or if i just happened to have good enough ways of coping
8:41:05
Colleen
<|3b|> i don't really get that sort of strong negativity thing, i just don't do anything
8:41:57
Colleen
<|3b|> but i could see how if i had more external constraints, that "not doing anything" could turn into failing to meet said constraints in ways that would inspire negativity
8:44:15
Colleen
<shinmera> I don't know where you're located, but surely there's gotta be *some*thing in reachable distance?
8:49:16
Colleen
<shinmera> Anyway, I unfortunately don't know much about the system in the US, but if you ever want to chat about this sorta thing, let me know.
8:53:32
Colleen
<|3b|> probably only really US-specific parts are "adhd meds are scary drugs so need to be prescribed and picked up in person with written prescription" and "i need to deal with stupid insurance stuff" :/
8:59:37
Colleen
<|3b|> hmm, restitution slot defaults to 0.5, but constructor defaults it to 0.0, which seems slightly confusing
9:09:08
Colleen
<|3b|> looks like it isn't even really possibly to make a table of "real" values, depends on too many other parameters
9:23:40
Colleen
<shinmera> I was very surprised that I couldn't find a ready to use table in some other engine
9:43:58
Colleen
<|3b|> looks like people tend to just store a value per material and combine them somehow (multiply, etc)
9:45:55
Colleen
<|3b|> one thing i read suggested friction is complicated enough that you might want per-pair values if you want good driving
9:47:13
Colleen
<|3b|> (and your example list probably also shows same thing, velcro-velcro is very high, but velcro-anythingelse is probably pretty low
9:48:11
Colleen
<|3b|> and yeah, good driving might be different enough from the default case to be completely separate
10:04:28
Colleen
<|3b|> cool, it's on my list of things that would be interesting to do soon, though not sure that implies much for "likely to do soon"
10:05:12
Colleen
<shinmera> I need to decide what to do next because I really don't want to work on implementing GJK
10:05:13
Colleen
<|3b|> ACTION should really find some way to produce income at some point, and that probably doesn't really qualify :/
10:07:48
Colleen
<selwyn> and it writes code which is then (with the programmers approval) executed in the repl
10:07:58
Colleen
<|3b|> ACTION should probably get that at some point, need to merge sdf upstream too
10:09:43
Colleen
<shinmera> I've been thinking about refactoring the spatial query structures into their own library and at least adding a grid3 implementation.
10:10:24
Colleen
<|3b|> and yeah, looks like things do the same with friction (per-material and combine)
10:10:56
Colleen
<|3b|> unity apparently lets you pick how to combine them per material (avg,min,multiply,max)
10:11:25
Colleen
<selwyn> so you can say 'computer make a chair and put it on the ground to my left' and it will write a lisp snippet to do that
10:16:45
Colleen
<shinmera> it just has a btMaterial with a friction and restitution value, but no library for em.
10:25:45
Colleen
<shinmera> Maybe I'll do a softbody thingy for cloth. That could be fun (and something I'll need).
10:30:31
Colleen
<shinmera> If the easiest way to get a close enough shape to describe what my model is is two partially intersecting cubes, then... well.
10:32:18
Colleen
<|3b|> unreal seems to do the same avg/min/*/max combination of per-material values
10:32:49
Colleen
<shinmera> I suppose for the intersecting case we'd need a whole computational geometry suite to compute mesh union/intersection/etc.
10:34:35
Colleen
<shinmera> But yeah, having the simple case covered for now at least would already be better than nothing :)
10:58:17
Colleen
<shinmera> There's so much stuff that can be done for 3D, I am 100% certain there's things you can offer.
12:28:58
Colleen
<shinmera> gingerale: how do you feel about splitting off bvh2 and quadtree into a 3d-spaces library?
12:30:46
Colleen
<gingerale> So an octree? Sure. Not sure how bvh2 does exactly so I'll have to read on that first but it shouldn't be too tough.
12:31:10
Colleen
<shinmera> I mean just taking the source files and putting them into a library separate from trial
15:09:07
Colleen
<shinmera> Anyone know of a data structure particularly suited for finding groups of objects that are all within a max distance from any other object within that group
15:09:38
Colleen
<shinmera> as in, I want to iterate over disjoint sets of objects wherein every object within each set is less than a max-distance away from every other object within that set.