udon-general

[plush stump]

if I use transform.getchild to get the child of certain transform, does the index start at 0 or start at 1 ?

[grand temple]

it starts at 0

[plush stump]

Thanks, I find there's a node that can set InteractionText for vrcpickup, is there a way to set InteractionText for udon behaviour instead of manually set in Inspector?

[nimble stirrup]

on my first world in VRChat I have this error : export exception - system.DIINotFoundException: Shell32.dll. is anybody knowing what is it about ? Thanks.

[grand temple]

I'm not familiar with that error. Just to be sure, could you clarify what steps you took to get to this point? In particular, what unity version are you using and how did you import the vrchat SDK? Did you install any other packages?

[nimble stirrup]

unity 2019.4.30F1, I downloaded SDK on my computer (by VRChat website), and then i got on : import package and downloaded the SDK package. I imported a unity package afterwards...

[grand temple]

did you move any folders around after importing the SDK?

For that matter, what does the folder structure in the "project" tab look like?

[nimble stirrup]

no, i didn't

this is my unity package...

there is my project tab...

[grand temple]

That's very unusual. Is there anything else that might be important? Are you on linux or mac? Do you get this same issue if you create a brand new project and just import the SDK alone?

[nimble stirrup]

mac

[grand temple]

ahhh right

[nimble stirrup]

I have a PC I can try it on...

[grand temple]

I don't think the vrchat SDK is supported on mac. It used to at least mostly work, but with the 2019 update I don't think it does at all

[nimble stirrup]

` ah ok...

I let you know how it is going on PC...

thanks...

[cursive vapor]

heyo more of a unity vrchat specific question but when i add a new layer do i need to re set up the collision stuff/layer stuff that we normally do at the beginning of projects

[fiery yoke]

FYI: Custom Layers are not uploaded to VRChat since that is something project specific.

[cursive vapor]

good to know ty!

so adding any new layers is a no no :O ? how do ppl do it in some of the packages im using

or am i confusing custom layers

[grand temple]

the name of the layer does not get uploaded, but you can still use the number and the collision matrix. That does get uploaded with your world. Anything after layer 21 is fair game for you to create a custom layer

not sure what your original question is though... you set up the built in layers once, and then you can create your own custom layers outside of that. You don't have to redo the built in layers if you don't ever touch them

[cursive vapor]

i made a layer 22 for a specific use case. Dont think i need the name necisarilly but am i understanding you correctly that if i dont need to adjust anything with that layer im all good

and itll upload/work?

[grand temple]

sure, you can define exactly how that layer interacts with all the other layers and everything

or you can just leave it default

but I'm not sure why you would need a layer if you're leaving it on default

[severe plaza]

so, is their some trick with chairs? it seems to be super touch and go where ppl end up on it even if its fine in the test build

cuz...it even throws ppl way up in the air then back down on mine and other worlds for me/friends :L

[echo steeple]

Chairs kinda suck in this game. There are some assets that attempt to improve this. Check out Reimajo on booth, he has a Chair prefab that fixes all of the major issues and has auto calibration and can be adjusted to use with any seat setup.

[severe plaza]

i lowkey wana say i love you XD kinda used to not getting any answers. will 100% look into Reimajo. looks like they have a demo as well

[echo steeple]

Yea, he makes good stuff, I use the script for spaceships in my world as the basic chair would always position players wrong so it never looked like they were sitting on the seat correct depending on avatars. Now everyone is positioned where they should.

[fiery yoke]

@cursive vapor Yeah sorry I confused something. You can of course use the 32 layers that Unity gives you and configure the collision matrix.

[severe plaza]

tried it and got nothing but errors even following his video after, sigh idk. sitting shouldn't be this hard... or finding updated info

[echo steeple]

Join his discord. That absolutely shouldn't be the case. Seeing your errors would be very useful

He's really good with providing support.

German so prob online rn too

[severe plaza]

ok, doing so

[echo steeple]

Good luck. I hope it works out. I'm in there too

[broken token]

If I wanted to spin an object, or lift up and down a platform, I must do it in udon or I can use normal c# scripts?

[dapper lion]

udon graph or udonsharp is what you can do

[echo steeple]

UdonSharp is a C# compiler for UDON

[dapper lion]

but it is very limited

[broken token]

I'd like to just loop a platform going up and down and maybe make a sound each time it stops. I guess I can do it with udon sharp?

[echo steeple]

absolutely

can do it with normal UDON assembly as well, but where's the fun in that?

https://github.com/MerlinVR/UdonSharp

[vital wind]

Can udon enable multi core for cpu?

[lean sleet]

How can i change the player speed?

[cold raft]

No udon has no controll over cpu or gpu

[cold raft]

there is a simpel basic script that lets you set gravity / speed etc let me see if i can find it

[lean sleet]

👌

[echo steeple]

Jetdogs udon prefabs has a Udonsharp and an assembly example for player movement with SDK2 stutter step emulation if desired.

https://github.com/jetdog8808/Jetdogs-Prefabs-Udon

[lean sleet]

Ok

[lean sleet]

Sorry but i can't use it

[echo steeple]

Why?

[lean sleet]

some problems with unity that i can't get it in.

[echo steeple]

What do you even mean?

It's a unity package, you just drag and drop it into your project

[cold raft]

you need an udon behaviour like this

[lean sleet]

it's ok if i use the only first 2 right

[cold raft]

yes

[lean sleet]

but what do i put the script at?

[cold raft]

wel on any gameobject, i useally put this on the game object i have my vrc world descriptor on
clock add component and choose udon behaviour

then click open grapth and create this

[lean sleet]

so i just put it at the player join?

[echo steeple]

any empty game object.

doesn't matter

[lean sleet]

ok.

i have a little problem.

[echo steeple]

U did it wrong.

The node is under playerapi

[lean sleet]

how do i do it right?

ok.

[echo steeple]

Press space and type playerapi and hit enter and search for the nodes you want.

You also don't need those variables because you're only setting this once on load

If you can't figure it out, look into adding that collection of free scripts and prefabs I linked. You'd just drag and drop the already setup player movement prefab into your scene and you'd be done. Learning assembly is good to do as well but none the less.

Your run speed node also has no start

[burnt moth]

i have the togglegameobject udon graph but when i go click there is no trigger anywhere

where i can click

i put the script on the thing that should activate the event

but it aint workin

[echo steeple]

You need a collider on something like a cube with the script on it.

[soft scaffold]

Hi I working through the editor window code in the obstacle course project and I am learning alot, if I am correct all game objects are looped through until the right udon behaviour is found and returned. My question is, is this the only way to assign an udon behaviour file to an udon behaviour variable?

[floral dove]

It's not the only way, no. I've done it by referencing the name of a GameObject or the path to that GameObject in the hierarchy as well. The challenge is that an EditorWindow will 'forget' references to anything it hasn't serialized on every "assembly reload", which happens often. AND - you can't serialize references to objects in the scene.

So you need a way to find UdonBehaviours in your scene if you want to set their variables. In the case of this project, we use an approach where giving any UdonBehaviour a certain name and type of variable will have a particular reference set automatically, as a sort of dependency injection: https://en.wikipedia.org/wiki/Dependency_injection

[soft scaffold]

ok thanks @floral dove

[pliant spade]

How do i make this local?

[floral dove]

check if the player .IsLocal

[sweet star]

Hey, quick question. Trying to randomize the Y of this, but it only takes one input, a Vector3. Is there a way to maybe generate a Vector3 out of three floats, or something that will let me randomize that Y?
https://i.imgur.com/MbVN8M0.png

[fiery yoke]

There is a few approaches to this rather simple seeming problem. Its quite intricate due to how C# handles Value-Types (which includes structs, Vector3 being one).

The "best" approach I know is to get the position, then construct a new Vector3 with x being your position.x and z being your position.z, and y being your randomized value.

[sweet star]

I just want the value [0, Random(0, 0.2), 0] essentially.

[fiery yoke]

In that case you can simply multiply Vector3.up by your random amount

Vector3.up is a Vector that points up in world space so its (0f, 1f, 0f)

[sweet star]

That's a strange constructor 😅

[fiery yoke]

Its not a constructor

The actualy constructor of Vector3 is in Udon can be found by searching "Vector3 => constructor"

[sweet star]

So something like this?

https://i.imgur.com/ZSl3ixc.png

[fiery yoke]

Vector3.up is a static read-only property of the Vector3 struct that gives you a Vector pointing up ;)

[fiery yoke]

Yup

[sweet star]

As a Python dev, this hurts me.

😄

[fiery yoke]

Well, this is very biased, but I really love the way C# works, because it forces you upfront to be very deliberate about the choices you make and prevents you from making bad assumptions or general logical mistakes that would come back to haunt you later on.

You have a Vector pointing up. You essentially scale it (by multiplying it, not to be confused with Vector3.Scale which multiplies component wise, which is semantically weird mathematically speaking but thats another topic) and you get a new Vector that is still pointing up but more or less.

[sweet star]

My personal take is that Python has one of the lowest "brain-to-code" times, and the more boilerplate or strange syntax that gets in the way of the thing you want to happen being on screen, the worse.

[fiery yoke]

Yeah thats the mindset of developers who have to rush things to meet deadlines and cant spend much time on optimisation and code practice.
C# is the opposite ;)

You can btw also just construct a Vector3 with 0, your random number, 0

But I like doing the multiplication method because its more "explicit" of what youre doing mathematically in my mind. But its up to you what you prefer.

[sweet star]

For instance, if I wanted a vector pointing "up-left," how would I go about that? I now have to dig through all my options, maybe use a special constructor or add Vector3.Up, scale that, make a Vector3.Left, scale that, add them together... maybe that's not the solution at all? Like, it's not even about rushing it, it's frustration between "here's what I want to make" and "why am I sitting here setting up a bunch of stuff instead of making the thing I want to make" (a huge issue with say, Java.)

[fiery yoke]

You do Vector3.up + Vector3.left :)

[sweet star]

._.

That was an example though I appreciate the answer regardless.

[fiery yoke]

But thats the whole point. It isnt as complicated as it may seem at first, since the foundation of how C# works is very very logical. You dont have to cut corners like in Python or even god forbid JavaScript.

[sweet star]

I've always been an advocate for "use the language your brain works best in," but the Python slander, man, dang 😄

[fiery yoke]

Well I mean obviously. If someone just cant work with a certain language then it wont help them at all. I think it just needs some time getting used to tho.

[floral dove]

@sweet star you could always pick this project back up: https://github.com/zz-roba/UdonPieCompiler

[fiery yoke]

Ohh well yeah, good luck with that... xD

[sweet star]

Oh for sure. I plan to learn C# (mainly for VRC/Unity specifically) but Python is still the langauge of my heart. I've had great success making some pretty dense projects in it for 5 years running 😄

Another question, is there a way for me to fill a GameObject[] variable without dragging 100 elements into it manually? 😄

[floral dove]

@sweet star yes - you can write an Editor Script to do that

[fiery yoke]

You can actually mass select GameObjects and drag them all into an array to populate them. However I think you have to lock the Inspector Window for that

[floral dove]

I believe you want to target UdonBehaviour.publicvariables.TrySetVariable

[sweet star]

That doesn't seem to work?

[fiery yoke]

It needs to be done in a pretty specific way

[sweet star]

I'm not sure how to write Editor Scripts and it seems overkill here 😄

[fiery yoke]

Ohh yeah I forgot, I think the UdonBehaviour Editor cant handle array population like that

[sweet star]

oh no, so it really is drag and drop time? 😖

They're all under a prefab, can I just say like "everything that's a child of X"?

and then just have one variable which is like "the parent object"?

[floral dove]

yes, you can retrieve them that way at runtime

[sweet star]

awesome, what node do I use for that?

[floral dove]

you'll want a "For" node. You can see a simple example of how to use For nodes to loop through arrays here: https://docs.vrchat.com/docs/udon-example-scene#clickablecubeforloop

[sweet star]

ah, I'm already using one

one sec

https://i.imgur.com/N93XFzP.png

but I want to replace the GameObject[] with one object it searches the children of

[floral dove]

In Unity, it's Transforms who have children, so you could use Transform.GetChild along with Transform.childCount: https://docs.unity3d.com/2019.4/Documentation/ScriptReference/Transform.GetChild.html

[sweet star]

strange. OK!

I'll test it out and come back with results!

[sweet star]

OK so.

It works!

However.

https://i.imgur.com/DKh55XW.png

200 cards lags the game like a lot.

[dapper lion]

are the cards atlased?

[sweet star]

My friend recommends making like a random spawner instead of spawning all the cards at once, but I really wouldn't know who to do that 😄

[sweet star]

What do you mean by this?

[calm smelt]

You dropped from 120 fps in the world to thirty!

[floral dove]

oh yeah - no need to have all the cards active if you're only using a few at a time. You could use an Object Pool: https://docs.vrchat.com/docs/udon-example-scene#objectpool

[calm smelt]

Would it be easy to have a pool and randomly spawn from said pool?

[floral dove]

yes, you can Shuffle the order of the objects in the pool. It will sync by default since the Owner of the pool owns all the objects, but if the owner changes, that order is not automatically synced so you'll want to end the current hand and have the new owner reshuffle

[calm smelt]

Amazing!

Thank you!

[sweet star]

@floral dove How do I populate the Object Pool without
a) dragging and dropping every object in
b) having the objects still in the world on spawn?

[grand temple]

you can lock the inspector while selecting the object pool. Then you can freely select all your objects without it changing the inspector, and drag all of them into the pool at once

[sweet star]

Thank you Phase for the solution to A!

B is still in question though, the objects are still like, there, in the world.

[floral dove]

the objects need to be in the world, but you can have them all Inactive

[sweet star]

OK, so, let me see if I got this.
Have a "pool" of cards inactive somewhere in the world.
Have a single card on the table, that when you interact with it, spawns an object from the pool and sets it active.
Not sure how to do the reset button here though.

Maybe that's not even right. I'm getting confused 😄

[floral dove]

yep, that sounds right. Reset would just be a loop that returns all the objects to the pool. If only the Owner of the Pool can reset, you're good to go. If anyone can reset, you'll want to send a CustomNetworkEvent to the owner of the pool to ask them to reset instead.

(only the pool's owner can return pooled objects)

[sweet star]

Huh, I assume it's not this simple, is it.

https://i.imgur.com/k7dKfSJ.png

Since this doesn't work 😄

(nor does this, for the record)

https://i.imgur.com/05HINyQ.png

[echo steeple]

Isn't there an example Object Pool with the SDK?

Yea, there is. Just search "Object Pool" in your asset folder and you'll see the example you can change for your use

[sweet star]

I'm not sure either of those examples are what I'm trying to do, and they look like they use TryToSpawn anyway.

Maybe I'm just confused. What I'm trying to do is have a single card on the table that when you click, spawns a new card from the pool so they player can pick it up. Later, I need a reset that removes all these cards.

[echo steeple]

yea, that's why I suggested you can just change them to your use. They are at least working examples.

There is also a working example of an Assembly setup and an UdonSharp setup in JetDogs UDON prefabs pack for exactly what you are doing without any changes xP https://github.com/jetdog8808/Jetdogs-Prefabs-Udon

[sweet star]

Well I want to like, learn how it works 😄

I just don't know where to start with it if "TryToSpawn" isn't even, trying to spawn 😛

I'm not really looking at learning U# rn.

[echo steeple]

xP that's why I mentioned it has an assembly version as well if you just want to see how it's setup

sometimes seeing how things are done is a really good way of learning how to do it yourself

[sweet star]

I'm sorry, then, what's the name of the prefab I'm looking for?

My brain is a bit foggy today, been having thyroid issues.

[echo steeple]

object pool

IIRC there should be a prefab for both in there. been a while. I personally use U# because it tends to be more reliable

edit: just looked, I guess there isn't an assembly prefab, because the SDK already comes with an assembly example so one wasn't included which makes sense. Good luck then.

[floral dove]

that should work if card_pool is valid. Do you get any errors when you Build & Test that?

[glossy sky]

Hi. I've come across an issue I have no idea how to tackle regarding object pooling. So, I was wanting to in most simple terms, assign different shapes to a players head whenever they joined. So person A got a sphere, then person B got a cube and it could change and vary.

https://i.imgur.com/VkiMOGo.png

When the player left, I'd want them to return the cube they were assigned.

https://i.imgur.com/Ty2K9OE.png

The issue I'm having however is where it gets weird which I don't understand why-- basically, whomever was the original world master somehow breaks the graph upon rejoining or I assume rather, when they the master leaves. Is there a way around this and am I just taking this on in an incorrect way?

[floral dove]

you can take a look at the Udon Obstacle Course's PlayerDataManager, which does this: https://docs.vrchat.com/docs/uoc-how-stuff-works#playerdatamanager

[glossy sky]

OOOO. Thank you thank you.

[floral dove]

first off - you want to check for the Owner of the object not the Master, since the Master might not be the owner

the other issue is that you want to know whether an object is changing ownership due to a player joining, or due to players leaving (including the owner of the pool, who owns all the objects)

the way this works in the Obstacle Course starts off much the same - when a player joins, TryToSpawn an object and assign it to them:

the difference is here in the actual logic on the object:

each object has a synced int called playerId which is -1 by default. If the object just changed owners and it has a playerId of -1, then we can go ahead and Initialize it. However - if it has a different value, then this is probably an object assigned to a player who has just left, so we Reset it by setting the playerId to -1 and Returning it.

the final bit of logic is this, run on Start:

If the local player is the Owner of the object on Start, then set it up for them (since OnOwnershipTransferred won't be triggered for them)

[glossy sky]

Hmm. I think I see and understand, is there anywhere I can download the example scene of the course as well so I can look at it and understand it a bit more?

[floral dove]

Absolutely, I just updated the main page to include the download links, meant to do that once the Jam ended: https://docs.vrchat.com/docs/obstacle-course

[glossy sky]

Awesome, thank you thank you. Networking stuff is something I neglected to learn for a bit but I'm having so much fun learning. My goodness though is this a challenge and a half. xD I'm loving it.

[sweet star]

No! Weird, right?

[floral dove]

Yes. Does the ObjectPool example included in the UdonExampleScene work for you?

[sweet star]

I'm not using "UdonExampleScene", let me try it.

[sweet star]

Yeah, it respawns the boxees.

Maybe I just don't know how the pool works.

I wish I didn't have to ask so many questions, sorry.

[woeful haven]

? XD

[floral dove]

ok - maybe you can try making a copy of that scene and program, then change it little by little until it does what you want but still works

[sweet star]

That's a lot of bloat for what I thought would be a simple script...
And either I'm missing something, or the way the boxes work and the way cards should work are very different.

I'm just starting to get frustrated.

Not your fault, obviously, I'm just worried I'm in over my head now.

I thought you could pretty simply "spawn object from pool at position"

[floral dove]

don't worry about bloat until you have something work 😄
The only extra bits are the part that automatically spawns things. Replace all that with an Interact and you should be up and running.

if that works and your graph didn't, then the issue is likely with how things are set up in the inspector or scene

[sweet star]

Where will it try to spawn the object?

[grand temple]

I believe it takes note of the original position of the object and moves it to that location when spawning. You can override that by setting the position afterward however you want though

[shrewd brook]

Hello, have you ever used UI of Text mesh pro such as TMP_Dropdown in VRC world? Is it possible to use? I am using normal dropdown, but I would like to show each character in it more clearly.

[sweet star]

Um, my variable window disappeared?

[echo steeple]

Right corner, top

[sweet star]

Show Variables is checked 😅

[echo steeple]

ah xP

nvm then lol

[sweet star]

https://i.imgur.com/sqbCDHD.png

[echo steeple]

xP idk. Restart unity

Also consider updating to the new version of unity

restart/update may just fix it anyways

[sweet star]

I don't want all my stuff to break again

I restarted and it's still gone.

[echo steeple]

Nothing will break. It's a very small update. You'll have to do it eventually regardless and your scene looks pretty much empty.

that said. I'm not sure. Do you have any errors in your console preventing a build/enter play mode?

[sweet star]

Updated. Still gone.

I think I closed it and now it's gone.

The only error is

Error: Could not load signature of VRC.SDK3.Components.MultipleDisplayUtilities:GetRelativeMousePositionForDrag due to: Could not load file or assembly 'UnityEngine.UI, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. assembly:UnityEngine.UI, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null type:<unknown type> member:(null) signature:<none>

I FOUND IT

I stretched out the window as far as I could and saw [Va 😅

[echo steeple]

lol nice. L east you are updated now anyways.

That window isn't supposed to be able to leave the view so that's odd

maybe it glitches if you go from full screen to windowed or something 🤷‍♂️

[sweet star]

OK, I know I have a lot of questions today, but I'm learning.

Reason this isn't working?

https://i.imgur.com/mycmCa0.png

[grand temple]

networking destroy shouldn't be used because there is no networking instantiate

[sweet star]

D:

[grand temple]

if you actually do want to destroy something, you should use regular destroy. But I don't think you actually want to destroy it, if you want to put something back in the pool you should use objectpool.return

[sweet star]

Oh, OK! I'm used to return meaning like, in the programming way, so I overlooked it.

Is there a way to put a bend in the noodle just to make this look better?

[grand temple]

unfortunately no

[sweet star]

daaang

https://i.imgur.com/i8EhMJh.png

[sweet star]

Huh, this doesn't work either

[grand temple]

your flow isn't plugged in

[sweet star]

I am so tired.

I should stop bothering you guys now 😅

[grand temple]

nah don't worry about it, you're fine

[sweet star]

Update: it works! Now to try to make it only happen within the bounds of a box.

[grand temple]

unity can do a lot of that work for you if you use bounds https://docs.unity3d.com/ScriptReference/Bounds.Contains.html

[dapper lion]

hola. i have a question about udonserializeddata asset file size. what causes them to get large and small? and how would i go about making them smaller

[deft tide]

need help with 2 things, 1, i made a mirror that works but how can i make it so its off and then you turn it on instead of the reverse? and 2. im trying to make more than one mirror and it wont let me

okay i answered my second question, can anyone help with the first?

[stone kelp]

Do you use a button today to just set active bool today?
You could use interact toggle to toggle it on or off,
I recommend checking out this video as a example: https://youtu.be/ibDu0dCeUE8

[velvet mulch]

I tried out the cube and it changes to a set colour, only when there is a texture is on there it changes all of the colours toward said colour, instead of changing the hue like I'm looking for. I currently using post processing to achieve what I want, to change the hue of all the colours in the world (I'm using 1 colour and the rest is white/grey/black). Only problem is that you can't exclude things from pp (so far as I know?, if this is possible I would not have to do the texture changes), so things like avatars, your menu and video players change as well. So instead I was trying to find out if it could be done without pp. But thinking of it, even if the textures could change hue like I want to, the Lightmap and Reflection Probe might be impossible to have their hue changed.

[scarlet lake]

im trying to create my first world, and every time i try to upload a test or publish it, it uploads nothing. like the world it uploads is completely empty. im not sure if its something to do with these things i get a pop up with at the start of creating, cuz my friend says he never seen it before. also side note when im trying to upload a test it says im missing an application?

[floral dove]

You could try changing the color of the light in your world instead. You don't need a texture to change the color of items that share a material, but you'd need to find or create a shader that applies a Tint without needing a texture, then change the value of that tint. Sure, you can exclude things from PostProcessing, you'll need to set the mask on your Post-process Layer: https://docs.unity3d.com/Packages/com.unity.postprocessing@2.0-preview/manual/Quick-start.html

[floral dove]

Make sure you get your world working with Build & Test before you try publishing: https://docs.vrchat.com/docs/using-build-test

[scarlet lake]

it wont let me use it, ive clicked all the auto fixes and set up the world, but once i actually get to the part of uploading it cant build a test because it loads nothing

[floral dove]

have you followed all the instructions on that page?

[deft tide]

help

im on the verge of literal tears

i was following a tutorial about light probes and baked lighting and then everything broke when i tried to test it out.

[floral dove]

Are you trying to use a custom C# script at runtime? If so, that's not supported.

[deft tide]

i dont think so, how can i make that go away

i dont even know how to open the scripting

[grand temple]

Simple light probe placer's last update was to unity 5.6. That was a long time ago, so it's possible that 2019 is no longer compatible with it

[deft tide]

how do i remove that from my project?

[grand temple]

actually there's a comment on the asset store page about this

https://assetstore.unity.com/packages/tools/simple-light-probe-placer-58290#reviews

[deft tide]

thank you so so so so so much i couldnt figure out for the life of me what was wrong

[deft tide]

I am using unity and when i select build and publish in my control panel for the sdk it says a vrc scene descriptor is needed (i have one) and then it plays the scene, should i wait for a while or is it not working?

[floral dove]

does Build & Test work?

[deft tide]

yes

[floral dove]

if you clear out your console and then press Build & Publish, do you get any warnings or errors in the console after?

[deft tide]

trying it now

it does this

but then it does this

like immediately after

oh wait it says "there are 2 audio listeners in the scene. please ensure there is always exactly one audio listener in the scene" all i can think of is i have a slider and a button toggle

but idk if thats causing it

[floral dove]

Hm, at this point it should be showing you the uploading options. It's not a great sign that there are over 10,000 errors for the 2 audio listeners issue. Did you change the Main Camera? It's very odd that there's no camera rendering when the scene goes into play mode with the VRCCam added.

[deft tide]

i dont think i did

[floral dove]

That Canvas is a World-Space canvas, yes?

the play mode should show something like this:

[deft tide]

yes

[floral dove]

oh wait a sec - you've got "Display 4" selected in your Game Mode

[floral dove]

should be Display 1:

[deft tide]

oh ok fixed it

[floral dove]

if you want to figure out where the extra audio listener is, you can type t:audiolistener in your Hierarchy window, it will you you every object which has an AudioListener on it, like this:

[deft tide]

finally got through to the configure world page

you have been so very helpful momo, thank you!

jesus i cant even load into it

help again pls

[floral dove]

when troubleshooting, the following info is very useful for people trying to help:
What you were doing when the problem occured
What you expected to happen
What actually happened
Any related logs

[deft tide]

I filled out the info to upload the world and completed that process within unity, i got a message saying it would be available in "mine" on the worlds page. I see it in the "mine" section, i can hit "go" but it does not load.

Also, how can i make this world quest compatible?

[floral dove]

what's the link to your world?

can you find it under the 'Mine' category in VRChat and get to it that way?

[deft tide]

https://vrchat.com/home/world/wrld_00f8c90f-71b9-487c-8189-b8d988302a4e

no if i hit launch from the vrc website it opens vrc, i have the "go" selection, i hit it, it loads for a second, and i spawn in the default home world

[floral dove]

yep, I see this in my logs when I try to join the world:

not sure how you got a blueprint mismatch, but try this: in the VRChat SDK Control Panel, go to the "Content Manager" section and then look under "Worlds" and find your world. Press "Copy ID", then select the object in your Hierarchy which has the VRC Scene Descriptor on it. press "Detach" to clear the ID that's there, and then paste in your new ID and publish it again.

If that doesn't work, then you can simply Detach the ID and leave it blank to have VRChat generate a new one for you.

[deft tide]

okay thank you

[feral valve]

Can pc and quest watch videos together? Just quest not being able to enter the video.

[floral dove]

Yes, as long as it's a direct link to a video and not a video on YouTube, Twitch, etc: https://docs.vrchat.com/docs/video-players

[feral valve]

Intended for youtube and twitch. Ty anyway

[floral dove]

yeah, not supported, sorry

[dapper lion]

you can use a resolve technique, however a public aval solution is not present (i totally am not forgetting to make a demo on it)

[floral dove]

what do you mean?

[dapper lion]

so like - you can ping a server with a string or ping a hosted script on something like heroku and have it relay the googleapi v3 raw video back as a resolved link that can work on non natives

[floral dove]

FYI using video players to do anything other than retrieve video files is not supported and could result in moderation action.

[dapper lion]

well yes: thats why it wuld just be simple resolve and not like a data unloader. however : what are the general rules on how shader interpret video data then?

like if i treat uv data as calculated parameters to either create geometry or tell a mesh where a lightmap should be via a web source: does this touch anything that shouldnt be touhed?

[floral dove]

I'm not a moderator and can't answer specific moderation questions. All I can tell you is that the Video Players are meant to retrieve video files from remote servers and play them back onto a surface in the world.

[prisma prism]

Hello, I'm currently trying to use "vrchat instantiate" to summon an object with dynamic bones, but when it appears, the bones are not jiggly. anyone know why? (also, I have made a version of the world where the prefab with dynamic bones loads in with the world, and they work there. its only after destroying and re-instantiating that the bones are no longer dynamic.)

[echo steeple]

Prob want to use an object pool instead.

[pliant dew]

some audio player prefab for sdk3?

[echo steeple]

There's two good ones on booth for cheap. One has a visualizer built in as well. Might be worth checking there and seeing if you like those.

If you just want to play YouTube videos, Usharp Player and VideoTXL are good options. TXL supports URL playlists as well.

[pliant dew]

muchas gracias!

[stray junco]

is it possible for udon avatar that i can make multiple toggling objects
without duplicating avatar ?

[grand temple]

Udon is not available on avatars

[hushed gazelle]

Is there a way to change a specific material slot on a skinned mesh renderer? Eg; the third material of four.

[narrow cloak]

Is it possible to toggle every child of a parent based on its state? So you push a button and everything that's active gets deactivated but everything deactivated doesn't get activated

[stray junco]

@grand temple
i know i make mistakes i shod pronounce as 3.0
bedside's isn't 3.0 avatars use similar udon algorithm?

but tbh idc how i pronance udon or 3.0 avatars is the same thing for me
and i can't mix udon- i mean 3.0 avatars with udon worlds they are different sdk i know that

[scarlet lake]

Um so like ik someone helped me with this before but i still dont know. I tried several setups and triggers like pickup, and start and end. But idk.

Im trying, to get particles for ketchup and mayonnaise working, its a food world. Its looking good.

I don’t have any world creator friends. So I’m sorry for bothering u guys. Any help is grreatly apreciated. ❤️

[slim hound]

When do you actually want the particles to play?

[scarlet lake]

When players interact with the prefab/ketchup or mayonnaise

When they let go of it. The particle stops

[slim hound]

You would want this then

[scarlet lake]

Woow

Oh okay. Dam im gonna try that. Thank u

[scarlet lake]

It didnt work, even with the particle systems off.

It seems that is the exact way it should be but idk.. cry

[narrow cloak]

Ive no idea how to attach the Variables to this lol

[slim hound]

That behavior would need to be on the object with the pickup if it isn't already

[slim hound]

Not sure what you mean attach the variables

[narrow cloak]

What you gave me + My variables
What I want to happen when I press the button :

1. All Children of AllMirrors to be turned off
2. All Children of OffSwiches to be turned off
3. All Children of Onswitches to be turned on
4. TargetOnSwitch to be turned off
5. TargetMirror & TargetOffSwitch to be turned on

in that order

.>

[scarlet lake]

it was send to all but i changed it

muiltiple times idk what im doing wrong. triggers are painful

[slim hound]

Oh you want to turn off all children objects, based on your wording I assumed you wanted to toggle

[narrow cloak]

yeah trying to make a graph that makes it so only one mirror and switch is active at any time without referencing every single mirror and button on every buton

the process i said abouve seems like the easiest way ive just no idea how to do it on the graph

[slim hound]

You could try this then

[acoustic vale]

Is opening multiple clients to build and test a good way to test Network Syncing?

[lucid juniper]

I've seen a lot of things that say "Powered by Udon" on them, more often than I'd expect for a standard VRChat feature. Is there a specific reason people like to put that there? It doesn't bother me; I'm just curious. There isn't any rule saying you need to, is there?

[floral dove]

no, there's no rule that you have to identify your Udon programs

[lucid juniper]

yeah that's what I figured

would be a weird rule 😛

[hybrid canyon]

mostly just helps with social media searchability

[lucid juniper]

I'm referring more to places I've seen it which wouldn't affect search results. Like in world splash images or textures on inworld fixtures/objects.

[hybrid canyon]

also helps distinguish its compared to Maps made with SDK 2

[broken bear]

For me sdk3 is much easier to share example code, so if I see a world advertise it’s in udon and I want to know more how they got some particular effect going, I know it’s easier to share snippets than in sdk2

[pliant dew]

can someone help me with this error loading udon, unity 2019.4.30f1 , udonsharp v 0.20.3?

[grand temple]

just try to reimport the SDK until you don't get it

[pliant dew]

It is the option that I had thought to do but I do not lose the reference of the world? since I have one already uploaded.

[grand temple]

no, you don't have to worry about that

[grand temple]

?whatisudon

[hidden marten]

VRChat Udon is a programming language built by the VRChat Development Team for use in VRChat worlds! It enables complex behaviors and logic in VRChat worlds. Read more about Udon in our documentation: https://docs.vrchat.com/docs/what-is-udon

[hushed gazelle]

Is this the correct way to set a specific skinned mesh renderer's material slot from an array of materials? (Material[]). I've confirmed the materials exist and are reachable with debug.log, but they're just not applying.

[cinder wadi]

is it possible to change an animations speed with a slider with udon? what I have tried so far I have had no luck with.

[slim crow]

Is there a way to interface between Udon and shaders?

[burnt moth]

is there something called setfalse instead of setactive??

[fiery yoke]

SetActive takes a boolean. Its the same method for both enabling and disabling

[burnt moth]

how do i make it only turn off something then?

[hallow geyser]

is it possible to attach udon code to a avatar? Like say you wanted a NavmeshAI to spawn in when your avatar spawns in and follow you around?

[tulip vapor]

What’s udon

[fiery yoke]

No. And not in the foreseeable future.

[tough finch]

?whatisudon

[hidden marten]

VRChat Udon is a programming language built by the VRChat Development Team for use in VRChat worlds! It enables complex behaviors and logic in VRChat worlds. Read more about Udon in our documentation: https://docs.vrchat.com/docs/what-is-udon

[fiery yoke]

However what you're asking for does not require attaching Udon to an Avatar. You can interface with the player using VRCPlayerApi to get something like e.g. their position in the world.

[plush stump]

Did UI elements also have a transform that can help me get its child?

[harsh fern]

I have an object and I want it to play a song everytime you press the trigger, does anyone know how can I do that?

[fickle stirrup]

Make a public variable for AudioSource, and Interact() method which call audioSource.Play(). Object with this udon behaviour should have collider, if you want pickup, add vrc pickup to the object, and use OnPickupUseDown() method instead. If i'm correct, that should work

[harsh fern]

Thanks :3

[fathom gazelle]

I want to know how to create our own avatar in blender

[bronze pier]

model it, rig it, export as fbx, import as humanoid avatar, add avatar descriptor, configure eye movement, jaw bones/blend shapes,, etc...

[stone kelp]

Going to be real hard to code an avatar in Udon, Lemme tell you that.
Check #avatar-rigging / #avatar-help or something like that

[hallow sable]

can you limit people running in a udon world in a specific part?

[sacred thicket]

Hello, I have a little question: Would it be possible to make a udon trigger that copy a link to the clipboard? For exemple if I want to invite people to a Discord Server and instead of making them having to get out of the VR to Ctrl+C they just have to press a button and paste it later?

[dapper lion]

the best i could see people doing is the VR clipboard with a inputfield which would require ctrl+c anyway

[sacred thicket]

Alright I see, thank you!

[dapper lion]

i made a mini prefab for it if you want

[simple shell]

SO I'm looking for something... is there a tutorial somewhere on how to make a clock? I'm trying to make a .Beat clock ( https://en.wikipedia.org/wiki/Swatch_Internet_Time )

[visual atlas]

hello, was wondering how i can convert 3 floats into 1 vector 3

[raven rover]

does anyone know to fix it when I try to log in and this email verification shows up? I do it all correct, but after it just brings me back to the same page.

please help i'm new to vr chat

[night viper]

@raven rover Try asking in the #user-support-old channel. This channel is more for vrchat programming tool (udon)

[night viper]

You can use a vector3 constructor (takes 3 floats)

[visual atlas]

thanks

[hallow sable]

anyone know why it keeps deleting itself? D:

[grizzled trout]

i kinda dumb question but is it posible to have to scrips communicate? for exsample what i want is one person to stand on a presure plate and another needs to hit a button , but if the button is pressed when no one is on the presure plate i want a trap to open for the one pressing the button

sorry if this is the wrong channel

figgerd udon

[raven peak]

yes you can either through events or setting variables. im assuming you are using graphs?

[grizzled trout]

yeah thats right the udon graphs

[raven peak]

you need a variable for the udonbehaviour you want to communicate with. then you can send a event to it or get/set a variable.

[grizzled trout]

thank you i will do my best to look in to that

[hallow sable]

using this code, the main object I am trying to bring the item to deletes itself after running the program, any help?

[cold raft]

you got the script on the wrong object?

[hallow sable]

well I kinda narrowed it down to the particle system actually

so I have this, when I take away the PS.Play(); it doesn't delete the object the script is on after use

is using the particles.play not a good thing to use for vrchat?

all I know is whenever I get the particle system to play like this, I get this error and the object that you take the skull to deletes itself

[cold raft]

maybe move the assingment of PS out of the start, iv seen some cases where other objects wherent correctly initialised at the time the start was called

[hallow sable]

move it to ontriggerenter then?

[cold raft]

yes

[hallow sable]

k ill try that

same thing, it deleted itself

[cold raft]

i dunno than sorry

[hallow sable]

all good ty

[scarlet lake]

Anybody here

[haughty mural]

quick question how do you use camera on pc vrchat? ive been having trouble using it

[zinc ridge]

are playertags synced for everyone?

[chilly iron]

eh im trying to ask how do i fix the mirror thingy because in my screen its white, trying to send a screenshot in here. Wont let me send so.

Also im visiting the world btw

[hallow sable]

does anyone know what default walk/run speed is on a udon world?

[fickle stirrup]

maybe values that udonsharp uses in example script: walk 2, run 4
https://github.com/MerlinVR/UdonSharp/blob/master/Assets/UdonSharp/Examples/Utilities/PlayerModSetter.cs

[vocal coral]

Hi, does anyone know if you can attach gameobjects to an avatar with udon? I want to do raycast on players by attaching colliders to avatars' head to intercept the raycasts. Is it even possible? Thanks

[vocal coral]

nvm there's a ChooserContainer attachment in the built-in example scene duh🤦‍♂️

[hallow sable]

Would a shader be the best way to limit vision? like make it so you can only see so far in a certain area?

[zenith solar]

Just starting out and the UI stuff is kinda stumping me. Watched a few different tutorials on UI and it seems as though some point toggle using udon graph programs and others just write the u# scripts. Can anyone point me to why I cant even interact with the button at all? Its on the default layer and within the object of the world itself. This button is the only child of the UI canvas.

BiLights is just a child of an empty with 4 point lights

[slim hound]

First thing would be to add a VRC UI Shape to the canvas which will make it interactable in VRC

Other than that you would probably want to be using Get Active Self rather than active In hierarchy

[zenith solar]

AH! Thank you very much!

Worked like a charm @slim hound ❤️ Seriously appreciated.

[prisma prism]

Question, when I plug "Event Update" into "Transform Rotate" the object rotates at different speeds depending on what I assume is client framerate. Is there a better way to make an object spin slowly without using animation? (preferably one that looks the same on everyone's screen)

[elder peak]

yes. look into https://docs.unity3d.com/ScriptReference/Time-deltaTime.html, you can access this in udon.
use it to scale your speed by it

[haughty dove]

I can’t get work on a chronobiology

Choombook

[echo steeple]

Huh?

[haughty dove]

No good my chrome book I can’t get work

[echo steeple]

I honestly doubt much of anything in terms of design software will work on a Chromebook. Most of the programs used to make content for this game (unity, blender, substance painter, Photoshop) all are pretty big system hogs and often suck done a ton of memory and require a decent CPU. Really want something with 16+gb of memory and a decent CPU. Do Chromebooks even have dedicated GPUs? Yea I doubt any of this stuff would run

[haughty dove]

Idk

[echo steeple]

I doubt VRChat would even run

[haughty dove]

What iOS I can work that why nether

[echo steeple]

What? Idk what you're saying. Regardless. Chromebook won't work. Too weak plus I'm pretty sure the OS wouldn't even support most of these programs

[haughty dove]

I’m say could I get work on my iPhone?

[echo steeple]

No

[haughty dove]

Man that sucks

And what I mean it work but I can’t download the app

[echo steeple]

What app

What works? I have no idea what you're talking about

[haughty dove]

Vr chart

[echo steeple]

There is no VRchat cellphone app

VRChat can't run on a cellphone

[haughty dove]

Do you what pic of what I’m saying

[echo steeple]

No. This isn't the right thread for that.

[haughty dove]

On my computer I can open be chat online but the app I can’t get to download load

So I can do stuff

[echo steeple]

That makes no sense I'm sorry.

What's your primary language?

[haughty dove]

German

[echo steeple]

#german post there

They may be more helpful

This is the wrong section anyways

[tacit harness]

Hey i have stopped working on worlds for quite a bit and it seems that udon sharp isnt working at the moment is that correct or am i doing something wrong ?
I pulled in the newest version of it but i still get errors

https://i.imgur.com/MAlCvOp.png

[stone kelp]

If you stopped working on worlds, Are you in latest unity and updated SDK as well?

[fading cipher]

Can you get someone’s avatar ID with udon?

[scarlet lake]

hey

guys can anyone plzzz help me?

[west mural]

State your problem

[mighty fjord]

No, but if you've got access to the avatar there might be other ways to identify it.

[fading cipher]

@mighty fjord Nah it was wishful thinking to swap back to the avatar the player had after successfully loading their save data 😅

[mighty fjord]

Yeah, I wish I could've implemented that into my latest project aswell

[devout trout]

Is there like... a tool to check for non-udon scripts in a scene? Been using a modular asset pack, wanna be sure I didn't miss removing any scripts from the prefabs

[magic pelican]

Don't know if this is an udon specific question or not cuz I'm unsure of what's out there, but can anyone point me in the direction of an interactive water prefab I can use for a pool? Don't need udon swimming, just need the water itself as a prefab

[magic pelican]

Figured out that issue but now the USharp Video Player I am importing is throwing a ton of errors saying several components can't be found. Ree

[magic pelican]

This is the second Udon Sharp prefab I have tried to use that throws me the same error. Two completely different developers but the exact same issue. So far I have reimported every single package in my scene and no luck. There is a github issue on it marked as solved but they never mention the solution. Please halp!

[floral dove]

What version of Unity, VRCSDK and UdonSharp are you using?

[grand temple]

It seems like in some projects, you now have to use "VRC.SDKBase.Utilities.IsValid"

It's very weird. It's independent of what SDK or unity version you're using, it seems like a project setting or something

started with 2019

if you want to fix it temporarily, just open the error and add VRC.SDKBase. before utilities everywhere

[magic pelican]

You! Thank you soooo much! You fixed my problem! You have no idea how frustrating that was! Bless you you wonderful person

[fathom spoke]

Hi there.
Anyone, how can i use UnityEngine.ImageConversion.LoadImage.
Its not support yet in udon?
Or is there any other way?

I want to read a texture from Byte data.

Please help me.

[fiery yoke]

Only way I know to do that is using Texture2D.SetPixel/s()

[fathom spoke]

oh... ok. thanks!

[hushed gazelle]

If I'm adjusting the position of a seat relative to an avatar's bone distances, do I need to worry about if an avatar's not humanoid, or is there a condition I can check in Player() somewhere?

[grand temple]

generic avatars can't sit in stations anyway

[hushed gazelle]

Can't they? I swear I've seen them on stations before.

[grand temple]

lots of avatars look generic but have an invisible humanoid skeleton

[hushed gazelle]

Ahh, gotcha.

[mighty fjord]

You can sit in a station and switch into a generic avatar

[hushed gazelle]

If i want to keep a value updated consistently is it better to tuck it in Deserialization or (Value)Change?

[orchid stag]

Hi! I have a UI button, and in my script, I need to fetch the Button component of it when it is pressed. Normally i would write the line:

EventSystem.current.currentSelectedGameObject.GetComponent<Button>()

to do this, but Event system is not exposed in Udon. Does anyone know some Udon syntax, for getting the Button component, I can use instead?

The catch is that the Button component is not located on the object to which my script is attached

[hushed gazelle]

What's the actual intended outcome of this?

[orchid stag]

I need the button to stop working while the action of the script is happening, and I don't want the script to be attached to the button UI object

[hushed gazelle]

So why not have whatever event the button runs just set the button interactible bool from there? You don't need to turn the whole button off

[orchid stag]

I'm making a larger system, for people who are not used to unity, programming, or even VRchat. I need to convey to them visually, that the button is not functional, and I think the best way to do this, is to make the button disapear, so they know they can't use that object as long as the feature from the script is running.

Also, while they are not used to any of this, they need to set up a VR scene themselves, so I need to make this as easy as possible for them.

which Is why I don't want to tell them stuff like: hey, if you need this button to run, you also need to attache this script to it and so on and so forth

I can make at least 3 work arounds instead of trying to fetch the button by code, but this will mess up what I am trying to do, which is to make an easy to use system for newbies

🙂

[west mural]

No way to do that as far as I know

I would say make a udonbehaviours for the button that relays the click and itself to your script.
Then prefab that button to make it easy to add new buttons

Or you could make an editor script that sets that up automatically anytime you create a new button

[orchid stag]

Thank you for your input, I think I will look into the editor idea. That should be easiest to implement with the system 🙂

[hushed gazelle]

I think you're overthinking it tbh. Buttons actually have a customizable appearance state for being inactive (Specifically DisabledColor), so you're solving a problem that doesn't necessarily exist.

[west mural]

Still need a reference to disable and enable it though

So same problem

[hushed gazelle]

Not really; Click Button -> send custom event -> set button interactible = false from custom event.

[west mural]

Which button ?

Your script doesn't have any reference to the button

NobodyNoName wants one script for multiple buttons

[orchid stag]

@hushed gazelle i respect your oppinion, but I disagree in this instance.

@west mural I will create a button in my editor script, which will essentially create a UI button, that will automatically go as a reference into the script.

I already have a larger editor script setup, such that the students will have an easier time figuring out what is what.

[hushed gazelle]

Your use case is off; You're making this for complete amateurs with zero experience, correct? Making parts of your UI arbitrarily disappear is going to confuse people because they'll think they've broken something. Having it present but visibly disabled is what you want because they know something's happened and oh, look, now it's blinked back on again after ~Things Happened~.

[west mural]

The conversation / problem is not the turning off or disabling part. The whole question was about how to i get a reference to the pressed button if th button is on a different game object. What they do with it afterwards is of no importance to the problem.

[hushed gazelle]

If it's going to consistently be from a specific button, why is it just not assigned to the script?

[orchid stag]

the script has multiple functions, and there are 4 ways to activate the instances of them: collider, button, another instance of the same type of script, or run when the scene is loaded.

Basically, I'm giving my students a script, where they can choose what to do with different objects of their choice. They can e.g. set the script to toggle lights, like range or intensity, on as many lights as they wish, where the change can happen over as large as a time frame as they set.

when the script, in the lightning example, is set off, it has the opportunity to set off other instances of the script, where another maybe have been set to toggle some movement of some object(s), or the color of some object(s)

And the thing is really how do they want to activate the lighting script from the example. Do they want a user to walk over a collider? Do they want them to press a button? and so on.

So it is not only going to be one button function, it is simply going to be a button which activates my public function, that sets off the scripts behaviour, based on what they choosed to do with it.

I'm sorry if this explanation is not good enough to convey what I'm trying to do.

[hushed gazelle]

Okay. There's no way to get at the thing that sent the command, unless you've already assigned it to the script. So no; you can't call back the sending object and ask for its components unless it knows about its existence in advance.

[orchid stag]

Which is a goddamned shame 🙂 but it is as it is, and I will use my editor script to solve the problem

[opal dew]

Is there a way in Udon to do platform detection? So I can call a different code path (due to shader differences) when someone is not on Desktop?

[dapper lion]

like if theyre on quest or not?

[opal dew]

Yes

[dapper lion]

in usharp: #if UNITY_ANDROID
private bool isQuest = true;
#else
private bool isQuest = false;
#endif

[opal dew]

I need to not call certain properties on a material/shader if its fallen back to a basic one

Ah, thanks!

Hmm.. that's a compile time tag though isn't it? I can't detect it after compiling?

Just thinking because if I don't want to distribute my source file and only send out the Udon Assembly, file, I'd need a PC Assembly and Quest Assembly.

[dapper lion]

well if yky have a bool for it. you can use that switch processes

[raven peak]

Not sure entirely what your doing but can't you check what shader the material is using then do what you need based on the results.

[opal dew]

oh.. using say, MyRenderer.materials[MaterialIndex].HasProperty("CustomProperty") ?

[raven peak]

I'm curreny on mobile and currently can't check it but sounds right.

[opal dew]

Okay, thanks! :)

[fiery yoke]

The UdonSharp way would be to use:

bool isQuest =
#if UNITY_ANDROID
true;
#else
false;
#endif

[grizzled trout]

can someone help me with something?i am using the graph and, i think i relized that when i search for nodes some are not showing that should? sorry if this dose not make sense, this screnshot hopfully can help explan

[floral dove]

you can learn about how to search for nodes in different ways here: https://docs.vrchat.com/docs/searching-for-nodes

[grizzled trout]

thanks

yeup that did it

[floral dove]

we do have some guidelines - the page is not findable through docs search since we don't encourage users to build these systems, but here are the rules if you've made one: https://docs.vrchat.com/docs/udon-moderation-tool-guidelines

[scarlet lake]

is there any way to make a audio clip play when i click on a button?

[floral dove]

Sure, you can use AudioSource.Play (https://docs.unity3d.com/ScriptReference/AudioSource.Play.html) or AudioSource.PlayOneShot (https://docs.unity3d.com/ScriptReference/AudioSource.PlayOneShot.html)
If you don't know how to do that, check out the top pinned post in this channel which has info on learning Udon

[wind zenith]

How do I lerp an opject with udonSharp if I can't call StartCoroutine? (System.Exception: Unrecognized identifier 'StartCoroutine')

[floral dove]

you can do it during one of the Update methods

using https://docs.unity3d.com/ScriptReference/Vector3.Lerp.html if you want to update the position

the UdonExampleScene has a "FollowPlayer" program that does this using the graph: https://docs.vrchat.com/docs/udon-example-scene#choosercontainer-1

[scarlet lake]

is there a way i could see those as a udon graph?

[floral dove]

sure! https://docs.vrchat.com/docs/searching-for-nodes

[scarlet lake]

i meant the getting the sound to play, its supposed to play apon opening a hidden door in my world.

[floral dove]

Sorry, I guess I don't understand your question. You can use the Udon Graph to create a program to play a sound using the above methods.

[warm acorn]

Momo, I don't know if you are around still, but this is also in regards to the Udon Moderation Tool that was mentioned earlier, if someone is abusing a client to escape the 'ban' room and has that bubble around them in the main part of the world, is that enough evidence to prove client usage?

[scarlet lake]

Hello, could someone please briefly explain what “VRChat message log” means in the guidelines? Thank you

[cinder wadi]

can anyone tell me if im missing something here. I can't get the slider to update the animation speed. ```using UdonSharp;
using UnityEngine;
using VRC.SDKBase;
using VRC.Udon;
using UnityEngine.UI;

public class Anispeed : UdonSharpBehaviour

{
public Animator anim;
public Slider slider; //Assign the UI slider of your scene in this slot

// Use this for initialization
void Start()
{
    anim = GetComponent<Animator>();
    anim.speed = 0;
}

// Update is called once per frame
public void SetSlider()
{
    anim.speed = slider.value;
}

}```

[scarlet lake]

Can I have someone from Udon message me pls

[dawn forge]

Momo, is there a way for me to force a specific avatar to be used? i.e. Map provided avatar for consistency and fairness of a gamemode I am working on?

This won't necessarily force them to keep the avatar on, but to join the arena they have to pick a red or blue vested warrior?

[hushed gazelle]

Anyone know what might potentially cause this?

@dawn forge Just look at the avatar pedestal script and use another trigger method (eg; interact with thing, assign avatar, teleport into arena)

[dawn forge]

Yes but then they'll return to the other avatar, I don't know how to have my script know when they change. All I can think of is getting their "viewball" and if it's modified then I can consider that they changed away from the map's required avatar?

[hushed gazelle]

I just wouldn't bother and let people make their own fun.

[dawn forge]

Sure, but it won't be fun when you have invisible or massive avatars make it hard/impossible to identify which team they're on or which tool/weapon they're holding.

At first I was going to make a standalone of this game, but then I want to do it on VRChat. My friend suggested this move long ago and I am actually considering it.

[hardy seal]

what do i do to fulfill the empty behaviour?

trying to use the VRCBCE Billairds table

here are my options? which one? >.>

[grand temple]

I don't think you have the prefab imported properly. You're missing all the scripts

[hardy seal]

are you able to help via VC?

[grand temple]

no

just try reimporting it

make sure you're using the latest unitypackage from the releases page

[hardy seal]

ill try again and test

[hardy seal]

so heres me after deleting all files, all files are ticked and ready to import

straight away this happens

place the pool table into the world, and i build/compile to test gameplay and this happens

[grand temple]

are you getting any errors or is it just warnings?

[hardy seal]

just these

no red boys

[grand temple]

what unity version are you using?

[hardy seal]

2019.4.30f1

[grand temple]

ok, that's correct. And you have the latest VRCSDK and latest Udonsharp too?

[hardy seal]

SDK Date 2021.09.03.09.25

Udon sharp v0.20.3

[grand temple]

are you able to create a new udonsharp script? If it's the package that is broken, then you'll have to ask the creator of it

[mighty fjord]

Ooh, are the scripts missing altogether? Or were they there when importing the package?

[hardy seal]

i know nothin about scripting haha, is it just a component? i was hoping this owuld just work after import XD

[grand temple]

they said no errors so I think VRCSDK and Udonsharp are fine 😕

you can create a U# script by right clicking in the project files, then add it as a component and convert to udonbehaviour

[hardy seal]

i do have this...

[mighty fjord]

Is there a 'Scripts' folder in the 'VRCBillardsCE' folder?

[grand temple]

try clicking one of the green ones and then "compile all udonsharp programs"

see if you get any errors

[hardy seal]

theyre both green XD

[grand temple]

the one that is not white

[hardy seal]

haha okay

[mighty fjord]

Would also be worth doing a quick right-clicking on the prefab asset and selecting reimport

[hardy seal]

no errors but still the same 30+ warnings

empty behaviours

[grand temple]

it really seems like the package is just broken

maybe you could try an earlier release of VRCBCE

[hardy seal]

they all kinda look like this, as if i can select the right one

[hardy seal]

yeah ill give it a go

[tall flax]

okay so.. whats the most up to date way to make a simple teleport script in Udon via upon interact with object/ button?? ALL the youtube tutorials are out of date because the way they all do it doesnt look anything like the options i have currently. Its all been changed.. siiigh i really miss the sdk2...

[west mural]

OnInteract -> LocalPlayer -> TeleportTo

[tall flax]

Thing is i cant find "get player local"

the closest thing is "Get is local" under player api

is that the same thing ? or...

[grand temple]

it's in the networking category

[grand temple]

yep

however if you're ever unsure of what category something is in, you can do tab to do a full search

you may want to plug in the rotation of the transform as well

[west mural]

optional, but yeah

[tall flax]

@west mural @grand temple thank you both very much 🙂

[tall flax]

It works!

[devout trout]

Is there any sort of udon prefab that makes the player collider dynamic, like so someone could duck down to go underneath something they'd otherwise collide with? I vaguely recall seeing something like that for sdk2 once, but no idea if it was ever remade for udon

[fiery yoke]

The short answer is: No thats not possible.

The long answer is that theoretically you can make your own Player Controller in Udon, and then teleport the player to your calculated position in FixedUpdate, however there is a few caveats to teleporting itself and especially teleporting every frame or so...You can also use SetVelocity, but there is also caveats to that, so it would be really tricky and could break rather easily as its not supported.

[grand temple]

If you just want a basic workaround without getting too complex, you could just disable colliders if you get near them and are below a certain height

[fiery yoke]

True that is a good hack. Dont see many problems with that either, however you would probably need to have another collider that is on the Walktrough layer, so you still have object collisions.

Actually thanks for bringing this up, that gave me a very nice idea for my own project :D

[fickle stirrup]

is player's collider on LocalPlayer layer? 1. on project settings > physcis tab - disable colliding of localPlayer with default / custom layer(where you have world objects) 2. make a custom collider and move it to the player's position 3. check for the player's height from head tracking data to the floor (player's origin?) and change collider height-center according to this i think that should work

[midnight kelp]

anyone know why I'm getting these compiler errors?

i'm usinv the Varneon VRC World Helper and importing the Video Player from that, etc..

but it just randomly broke

[stiff fiber]

pls help

[dapper lion]

reimport usharpvideo or use just varneons videoplayer

[dapper lion]

close and open. if its still weird. reimport the sdk

[stiff fiber]

@dapper lion yeah i tried it already but still same

[dapper lion]

are you using the most recent sdk3?

[stiff fiber]

yes

and unity2019.4.30f1

[dapper lion]

does this happen in a brand new project?

[stiff fiber]

sdk 3 only thing in project

[stiff fiber]

yes

[stray junco]

is it possible for AV3.0 to make animation for avatar that when on button press or toggle
it will transport main avatar with it's camera view to another place
like fast forward vrc_user teleportation to another spot?
pretty much same as (3P locomotion) but i need (2P holoport locomotion) because i need for desktop
BUT WITHOUT GUIDE LINES just like when you press the button and you will be transported to another spot
and how i can achieve that?

@fickle stirrup
thank you
but i saw this channel udon question
and i'm not able to find vrc3.0AV question
so that's why i ask here
sorry

[stiff fiber]

😫 help

[stray junco]

@stiff fiber
do you have latest unity,sdk and (if you have) u#?
if don't then please do check them out for newest version update

did you change from pc to android platform or versa?
and you try to add some functions that are not supported to current platform
if yes then this is your error

if you have some unsupported custom unity package assets
try first to delete those errors and if you can delete them then you dont have to worry to much
if you can't then put everything away from your unity project except important assets
and see how it will performs

you can also click or 2x click on some of those errors and they might lead you to the cause of that problem

[craggy harbor]

If I didn't remember wrong... Isn't the v2019. 4. 20f1 the one VRChat supports and using?

[craggy harbor]

It seems all correct, is the min/max value for your slider set to 0 to 1? And you also linked your animator and slider properly onto the script component, right?

The SetSlider() function has to be set called OnValueChanged from your slider, make sure set it up too. It's no longer Update(). The comment is a bit misleading lol

[craggy harbor]

ahh, my bad, i remembered it wrong
(／ω＼)

[stiff fiber]

1-yeah i have current and last sdk version 2-no i did't change or add some functions 3-the only thing in project is sdk

[stiff fiber]

np

[stiff fiber]

i uninstall every thing and reinstall problem still same , when i try build & test looding me into home

[steep haven]

Can someone tell me why can't i type in unity or teach me how?

[floral dove]

try doing what is says in this image - detach the Blueprint ID and try again.

[stray junco]

@stiff fiber
if you have latest unity & sdk
make sure that nothing else is in your project folder
then save the unity>exit>open unity again and try to publish your world

i'm now AFK for 20min

[floral dove]

do those errors clear if you press "clear" on the Console? If so, nothing to worry about.
Make sure the path to your VRChat client is set up correctly: https://docs.vrchat.com/docs/using-build-test#setting-up-your-settings

[stiff fiber]

yeah i already did this

[floral dove]

which one, the clear or the vrchat path?

[scarlet lake]

Momo, could I just ask what a “VRChat Message Log” is?

[floral dove]

I'm not sure what you mean without some context

[scarlet lake]

on your guidelines for Udon it states something about a message log

or a “VRChat log message”

[stiff fiber]

both and it didn't work

[floral dove]

ah yes, that refers to using Debug.Log to write to the VRChat Logs: https://docs.vrchat.com/docs/frequently-asked-questions#how-do-i-find-the-vrchat-output-logs

[floral dove]

If the error message won't clear when you press "Clear" on the console, try closing the project and opening it back up, then let me know if the error is still there.

[stiff fiber]

didn't work too 😫

[stiff fiber]

when i click build & test vrchat open up normal and go 2 looding screen and then kick me into home

[floral dove]

all the errors about "assembly will not be loaded" remain after you close and reopen the project?

[stiff fiber]

yeah

[floral dove]

can you show your Assets folder?

[stiff fiber]

sure

[midnight kelp]

I did, doesnt work

sadge

[floral dove]

hm, looks clean. Maybe the required packages didn't install for some reason? Check your Package Manager for:

• Cinemachine 2.8.0
• PostProcessing 3.1.1
• TextMeshPro 2.1.6
  If you're missing any of these, or the versions don't match, use the Package Manager to switch to the above versions.

[stiff fiber]

when i searched for cinemachine 2.8.0 there's button say import into project

do i click it ?

[floral dove]

yes

[stiff fiber]

still same

[floral dove]

after you import all the required packages, close and re-open unity

[stiff fiber]

k

[stiff fiber]

still same 😩

looding 2 time after that kick me into home

[floral dove]

let's focus on the errors first - do those still show in your console?

ok great - so we fixed the import errors, that's progress. Are you trying to Build & Test the UdonExampleScene?

[stiff fiber]

yes

[floral dove]

do you get any new errors in the Console when you run Build & Test?

[stiff fiber]

no

[cinder wadi]

Yep, but no go it doesn’t work.

[floral dove]

Weird, ok. Can you post the log file so I can see what's going wrong in the client? https://docs.vrchat.com/docs/debugging-udon-projects#viewing-your-logs-in-a-text-editor

[cinder wadi]

Momo is changing animation speed with a slider something that isn’t supported under udon? Been trying to get it to work for a couple days no with no luck.

[stiff fiber]

sorry , do you mean project file ?

[floral dove]

no, the log files from the client. The link I posted shows where to find this on your disk.

[stiff fiber]

there like 11 file log do you want me post them all !?

[floral dove]

just the latest one right after you try to Build & Test and it puts you into your home instead

[stiff fiber]

this one

[floral dove]

Hm - it looks like your VRChat client is not getting the launch parameters to even try loading into your local world. I see this:

[Behaviour] launching in normal manner
[Behaviour] Going to Home Location: wrld_4432ea9b-729c-46e3-8eaf-846aa0a37fdd

Where if I do Build & Test then I get this:

[Behaviour] launching from command line
[Behaviour] Destination fetching: local:3e9f94ae5833a01f0dfa8229a3c1489fb4c9f6614b4f37d6c7d082b6f81cbcf9

so either your world is not building or your registry is not set up to pass those params.
Can you show me what this part of your VRChat SDK > Settings panel looks like?

[floral dove]

Ok, that looks good. One more log so I can see what your editor is doing:

1. Close the project
2. Open it back up.
3. Run a "Build & Test" on your scene
4. In the upper-right corner of your console window, press the three dots and then choose 'Open Editor Log'
5. Save that text file somewhere and then post it up here

downloaded, looking now. Going to remove the log so your info doesn't stick around.

[floral dove]

shoot - I'm stumped. I thought maybe it had something to do with having a project with spaces in its name, but I just made a new project with spaces in it and it worked fine.

[stiff fiber]

oh

[stiff fiber]

umm did you found anything

[floral dove]

I haven't, no. My only guess left is that your registry isn't set up to pass along the arguments correctly. You can try running D:\SteamLibrary\steamapps\common\VRChat\install.exe to see if it will update the registry

[stiff fiber]

it crash my game

uhhh i give up

[floral dove]

what do you mean by "it crash my game"?

[stiff fiber]

sorry , i mean i click it nothing happend

[floral dove]

ok, that's very different than 'crashing your game'. It wouldn't necessarily do anything obvious, I'm hoping that it updated your registry. You can try Build & Test again to see if it helped. If not, you might try uninstalling VRChat, restarting your machine, then re-installing.

[stiff fiber]

yeah i tried it already uhh

I give up , Thanks for your time and sorry for the inconvenience

have a nice day

[floral dove]

you, too

[craggy harbor]

May I see your Slider setup?

[cinder wadi]

When I get home tonight I’ll post some photos of it

[craggy harbor]

That would be great, hopefully we can find some issue out of it to help you fix it. x3

[cinder wadi]

Appreciate it. Would be cool to get it working in the world as it’s for a swing and would be awesome to control the speed.

[craggy harbor]

Should be a way to make it work, it's definitely viable.

[tall flax]

Hiya! I need some help.. i feel like the BIG DUMB because i found it before, but since then have started over. I cannot seem to find the magical button/setting for adding terrain layers/ editing terrain layers. I follow many youtube tutorials YET they almost always look different than what I have currently.. so makes it a bit difficult to follow when your layout is different. The button is there for him..

yet my layout doesnt have that.. so .. HALP?

Also can you use just any neat/pretty image you make or find as a texture for terrain? i couldnt seem to add any custom textures before 😦

[shell ingot]

Would this make anyone’s voice inside louder or quieter?

[floral dove]

since player movement is networked by default, yes - remote players entering and exiting this trigger should have their gain and distance changed.
In this particular case, lowering the player's voice gain from 15 to 13 may not be very noticeable. Reducing their Voice Distance Far from 25 to 13 may be noticeable if players are hanging around an area around 20 meters or more in diameter.

[bronze ridge]

at a high level, is it possible to read a texteure from udon? It'd be a render texture but can you say do one thing if the whole thing is blue and another if the whole thing is white?

[floral dove]

sure, the Stylus program in the Sketchbook Jam example project does this to pull colors from a color picker: https://github.com/vrchat/VRChat-Sketchbook-Jam

[karmic pumice]

What would be the way to basically have my toggle button enable an object and disable another at the same time?

So Example: Having two separate mirror buttons one HQ/one LQ and when pressing the LQ when the high quality mirror is active, it would disable it and enable the Lower quality one in one interaction

[floral dove]

just chain those two operations with a single flow

[karmic pumice]

I'm sorry I'm not sure how I would do that, I'm still super noobish when it comes to udon

[floral dove]

Interact > GameObject.SetActive(true) > GameObject.SetActive(false)

[karmic pumice]

OH

Okay

[floral dove]

you can find all sorts of examples in this scene: https://docs.vrchat.com/docs/udon-example-scene

[karmic pumice]

Thanks!

[karmic pumice]

So I kinda understand but at the same time when it comes to doing it in udongraph I really don't know where to even start. Like where do you chain it and how, and how to you make it false? Unarynegation?

[floral dove]

you can start by looking at the programs in the UdonExampleScene, they show how to chain multiple nodes together using the white flow noodles

yes, Unary Negation will turn 'true' into 'false' and vice-versa.

[karmic pumice]

alright yeah I was trying to find it all

So I'm just uploading the sdk into a new project to test things out and in the meantime I was curious if this was a valid way to do it or is there maybe a better way just in terms of how the graph is

Or if I need another target

[floral dove]

that will invert the active state of the "Target" gameobject, yes. If you want to also control a second gameobject, then you'll want to add a second variable, and you can simply set it to the value of the first object's 'activeSelf' value before you flip it.

[karmic pumice]

I think I understand but doing it in practice is where it gets a bit confusing sorry hahah

[rotund wolf]

how do i make it so that a join audio only plays once when that person joins in the world
and doesnt play again for the first person when i second person joins?

im using udon graph btw

[karmic pumice]

So I've taken a look at the examplescene and the graphs to understand what some of the things inside it do, and I understand what you mean by "set it to the value of the first gameobject's" my struggle is how to how to I translate that to in udongraph itself, hearing it and implementing it just feels like two completely different things on their own

[warm acorn]

Do you think something could be wrong with the client you are running that might be causing abnormal behavior?

[cinder wadi]

i renamed SetSlider to see if adding the underscore might help so thats why you see that but still no dice. Also have tried it with 0 to 1 and 0.2 to 1 as values.

[craggy harbor]

Is there any error in the console when you run this?

[cinder wadi]

no errors on this one at all.

[craggy harbor]

Try this way of setting the animation speed

I just did a bit of research and I found that changing animation speed dynamically cannot be done by just tweaking the play speed of animator, but here's an alternative way.

So for your code it will be:

using UnityEngine;
using VRC.SDKBase;
using VRC.Udon;
using UnityEngine.UI;

public class Anispeed : UdonSharpBehaviour

{
    public Animator anim;
    public Slider slider;   //Assign the UI slider of your scene in this slot 

    // Use this for initialization
    void Start()
    {
        anim = GetComponent<Animator>();
        anim.speed = 0;
    }

    public void _SetSlider()
    {
        anim.SetFloat("AnimationSpeed", slider.value);
    }
} ```

[cinder wadi]

will give that a shot

[craggy harbor]

Still confusing though, the Unity manual says this is dynamic and should have tweaked the speed of animation currently playing.

I have a similar function that allows player to adjust the height of the loli-collider. And it works just fine...

[craggy harbor]

Anyway, let me know how it goes, I'm curious to see what's the problem with it.

[hushed gazelle]

How do I get a graph equivalent of -transform.forward?

[plush stump]

can I drag multiple objects in Hieracrchy into udon public variable(like a public gameobject array) at once?

[zinc thicket]

You can lock the inspector from switching objects by clicking the lock at the corner.

Then, just drag your multiple objects into the variable.

[mighty fjord]

This is an U# feature though iirc

[zinc thicket]

It is? Oh.

Wait, so VRC doesn't use standard Unity UI inspectors? O_o 🤦‍♂️

[mighty fjord]

I could be wrong though, unable to check rn

[karmic pumice]

anyone would know how to make a Ui slider for Post-exposure?

[hushed gazelle]

I'm trying to get a camera aligned with the player's head rotation, but just directly pulling the head bone's rotation pivots it 90 degrees sideways. Is there a proper way to get a correctly-aligned rotation?

[orchid stag]

I want to use this 'Utilities.IsValid' in my script, but apparently I am missing something for 'Utilities' to be recognised properly. I currently have these:

using UdonSharp;
using UnityEngine;
using UnityEngine.UI;
using VRC.SDKBase;
using VRC.Udon;

What am I missing for it to work?

[grand temple]

You'll have to use VRC.sdkbase.utilities.isvalid

[orchid stag]

Amazing, thank you very much 🙂

[rotund wolf]

am i doing the right ting to make join audios local?

[floral dove]

this graph will do the following, on the same frame:

• When any player joins the instance,
• Play the current clip in the 'joinaudio' AudioSource
• Turn off the GameObject with that AudioSource on it.
  I think this will not result in anything obvious happening because you're turning off the GameObject with this AudioSource on it for some reason.

it should work if you get rid of the part where you set the AudioSource to inactive

[rotund wolf]

mhmm

how do i make it so that it plays when "player 1" joins but have it not play when "player 2 or 3 etc..." joins

aka
it only plays locally for the player that joins the world

[floral dove]

oh, you just want a sound that plays for the local player when they join the world?

[rotund wolf]

yup

[floral dove]

in that case, just make a graph that plays a sound when the 'Start' event fires

[rotund wolf]

so anyone who joins, it'll only play on their end

oh

so i dont need the on player join?

[floral dove]

right - OnPlayerJoin is run when other players join the instance

so you'd use it if you want to play a sound for the local player when someone else joins

[rotund wolf]

ah i see

but the "start" funciton still works for people joining the world right?
only locally?

[floral dove]

remember that Udon always runs locally - it's a program running in the client on the player's machine. So something happening in "Start" will play when the player first joins an instance.

[rotund wolf]

it worked
thanks a lot
you're a great help

most youtube videos on this stuff are literal dogwater

[autumn birch]

Does anyone have a script that "when player grabs object (not click) then enable/play sound track?

[floral dove]

I don't have one ready to go, but it's a very simple Graph to make. Just make an object with a collider and a VRC Pickup component, then make an Udon Graph that uses OnPickup to call AudioSource.Play.

[autumn birch]

will try

[small beacon]

Anyone have any tutorials on udon
Like a complete series or something?

[floral dove]

check out the top pinned message, it lists a suggested reading order for Udon docs and examples. We've got an official Udon Tutorial playlist here, too: https://www.youtube.com/playlist?list=PLe9XHNvXcouQjg5GULWGLj1tMzeythnQi

[small beacon]

So 5 episode covers everything?

[rigid siren]

plenty of other tutorials if you look around that may or may not be more detailed about certain things

[small beacon]

It’s probably just the basics then I’ll probably be able to figure the rest out

[rigid siren]

that playlist is basic stuff yeah

[rotund wolf]

youtube videos on udon are typically horrible imo lol

[floral dove]

if you have any constructive suggestions, I'm happy to take the feedback to the team

[small beacon]

Ok so the udon docs
Would they show what each node does

Is there any docs that show what every node does
Or at least some of them

[grand temple]

unity's documentation covers most of it

There are some specific things related to networking or players that are unique to udon, in which case there are doc pages like this https://docs.vrchat.com/docs/players

[floral dove]

you can open Assets\Udon\ReferenceDocs\index.html in a browser to see some info on each node. Most of them are just wrappers for Unity things as @grand temple said.

[rotund wolf]

imma watch those videos first and see if they're any good

they're from vrchat so im sure they wouldn't be bad

[grand temple]

Vowgan also has some videos that are worth watching

[small beacon]

So what if I wanted to make like a moving spotlight
Would that be the particle system and a bit of udon

[small beacon]

Pls link

[visual elm]

Hello, i need help with the object toggles, can someone assist me?

i want to make one active object disappear, while the disabled object appears, like a key for the treasure chest

[floral dove]

you can try looking through this Discord a bit - that question gets asked and answered daily 🙂

[visual elm]

i see.... hmmm...

i really need to get this done, i don't think i have the patience to dig through the posts..

[floral dove]

ok, what have you tried so far?

[visual elm]

Ok i'll breakdown what i have so far:

a crowbar mesh object visible with an udon behavior: Interact > Setactive, crowbar object variable to get activeself to unary negation to setactive, that will cause the active crowbar object to disappear, as the other object [vent] was unchecked, was suppose to toggle on

[floral dove]

can you show the graph?

[visual elm]

i made some small adjustments to see if it works, but no avail

like this is what i wanted to do:

Crowbar ON, press it, Crowbar OFF, while vent set from off to on, press vent, set vent to off while an id card set from off to on

[floral dove]

oops! you missed connecting the crowbar GameObject to that first SetActive call, so the first thing this program does is turn off the current GameObject, which has the UdonBehaviour on it.

your logic is sound, otherwise

[visual elm]

ooooooh, hmmm

let me test it

[dawn forge]

Ok this is an interesting case, using U# to load various names into an array based on playing cards. The logger shows all was enumerated, but the array in the inspector isn't loading it all.

[floral dove]

I know the inspectors don't update at runtime for Udon Graph programs since the variables are actually in the UdonProgram and not in the inspector, maybe C# is the same way?

[dawn forge]

I think so, let me enumerate out the array in logger after populating it.

[floral dove]

if you want them to show in the inspector, you'll want to load them at edit-time using an Editor Script.

[dawn forge]

It's not the inspector; the array has only 4 populated elements...

[grand temple]

Udonsharp should be able to see the whole thing and update live in play mode

[visual elm]

oh, it works!

thank you so much, i overlooked it somehow...

[dawn forge]

I am re-evaluating my logic, but here is the output at the end of loading the array. I am echoing out the length. If it's a UdonSharp Case I can bring it to their Discord.

[grand temple]

But you may have to hover over the inspector to get it to re-draw, maybe that's what's happening?

[rotund wolf]

true, he does use c# sometimes tho
id rather use the graph

[mild stirrup]

Hello! Does anyone know how to make door lock system where someone can lock it from the inside and unlock it too. Like the private room in Meroom.

[dawn forge]

So the array does allocate 48 elements, but it only has 5 elements filled in,

Edit: Disregard, the rest is blank, Unity just bunched the rest of the debug into one.

Update: It's my code, I am basing the for loop length on the Verb, not the array I am trying to update.. I need more coffee 😛

[visual elm]

does anyone have a tutorial of how to set up a security camera screen with a security camera live feed?

[gritty acorn]

I need some help

how do i connect my piano to vr chat

[clever eagle]

not neraly as experienced in unity or world creation but i think you can do this with a render texture and some udon

[clever eagle]

be specific

[gritty acorn]

Like midi

Keyboard

[orchid stag]

I'm having trouble making a trigger work with avatars.

I have a cube set up with my script on it, a kinematic rigid body, and the box collider set to trigger.
The layer of the cube is set to 'Default' and I have not done anything with the Layer Collision Matrix in physics.

If I dump some regular object, with an active collider, on the trigger, everything works as expected, however, when I try to walk through the trigger with some avatar, the trigger does not fire. What am I missing?

[mighty fjord]

There are separate collision events for players. Are you using the OnPlayerTriggerEnter event aswell?

[orchid stag]

nope, was only using OnTriggerEnter, thank you for that information 🙂

[quartz meadow]

hey, when making a UI, yall make a worldspace canvas just follow the player head, or is there any other magic trick?

[fiery yoke]

You mean a HUD?

[quartz meadow]

yup. theoretically I can just use an udon script to have it match (with an offset) the position and rotation of the player head bone or something, but that sounds a bit janky

was just wondering if there was some other nice way to do it but I could be wrong lol

[fiery yoke]

Well first of all you shouldnt use the head bone, but instead head tracking data. Another thing is that you might want to consider creating proxy objects that are specifically just setting their own transform to the tracking data. Then you can either directly parent objects under them or use parent constraints. However thats a little overkill if you just want a HUD. The next problem is scaling. The HUD would need to be scaled according to the avatar size...making a good HUD aint easy :^)

[quartz meadow]

head tracking data sounds like a better bet to make sure its visible. thankfully I already have a few functions for getting player scale so thats not the issue. at worst I can just add in a few buttons somewhere to allow the user to adjust themselves. but yeah, basically just a moving canvas. oh well. thanks!

[orchid stag]

Okay, so I can still not get the trigger to work. It still works fine with the OnTriggerEnter, but the code

public override void OnPlayerTriggerEnter(VRCPlayerApi player)

Where I just run this for testing:

if (player.IsValid()) {
gameObject.SetActive(false);
}

Still doesn't work

[grand temple]

don't use player.isvalid, use utilities.isvalid(player)

I'm not sure that should stop it from working though

are you sure the script isn't crashing? You should check your log and search for "halt"

[orchid stag]

using utilities.isvalid(player) did not help, and when you say log, can I get that when running VRchat, or do I need to use the 'build and test' function? 🙂

[grand temple]

you can find logs in appdata/locallow/vrchat

or you can view it ingame if you have the launch parameters --enable-debug-gui --udon-debug-logs and then do rshift + tilde + 3. The parameters are set automatically for build and tests, but you can also add it to steam

[orchid stag]

Just to be sure, if I ran the test through the VRchat app, I can still get the log from appdata/locallow/vrchat?

Sorry for noob questions, I've only been diving into Udon for the last two weeks 😅

[grand temple]

yes

the log file is always accessible. Accessing it ingame is what requires the launch parameters

[orchid stag]

'halt' does not exsist in the log 😦

[grand temple]

are you doing anything else in the OnPlayerTriggerEnter function?

[orchid stag]

Wait a minut...

Okay, so the 'player.IsValid()' did in fact stop the function from running. After testing that syntax, I put back in my OnTriggerEnter, which I had disabled, and I had put the trigger a bit down the floor, so it auto fired. My function temporarily turns off the collider component to prevent double firing, and so, when implementing utilities.isvalid(player), that function did not work, as the trigger was disabled. No I disabled the OnTriggerEnter, and everything works 😄

I feel so stupid now 😄

[cinder glade]

So I was wondering if there is a way to find or replicate the Thread.Sleep function in Udon.
I am trying to loop a audiosource call so that I can have it play more than once in a second but it seems that calling the audiosource with delay does not delay the program itself so the while loop goes at max speed so it breaks and halts the udon script.
So is there a way to replicate Thread.Sleep in Udon?

[grand temple]

you can use sendcustomeventdelayed

[cinder glade]

If I while looped that, would it halt the program so that it didnt immediately go back to the while loop?

[grand temple]

no, it doesn't delay further execution in the same function. It just calls another function after a delay

udon runs on the main thread so you can't just pause it. You need to have definitive entry points, aka functions, and those functions need to start and stop

if they don't stop, they will freeze the entire application

[cinder glade]

so could I not even call Thread.sleep in the Github extension that allows you to code in C#?

[grand temple]

udonsharp does not magically make udon behave like C#. It compiles C# into udon assembly, so it has the same limitations

[cinder glade]

ah darn thats unfortunate. Was trying to make a bullet sample loop faster than a second. I know other people just make a second long audio clip of multiple shots and then loop it but I wanted to see if I could make a work around to not have to do that

hmmmmm

what about the OnTimer script from sdk2? is there an equivalent in Udon?

[grand temple]

huh? I've already said, just use sendcustomeventdelayed

or if you want more control over it, the "update" event happens every frame. You can check the current time and if enough time has elapsed, do the thing you want to do

[cinder glade]

alright. Thank you for the help

[eager olive]

sendcustomeventdelayed would certainly work for this! It just lets you execute your event in X seconds. which would be very similar to sleeping for X seconds.

Except you'd jump to another method.

[fiery yoke]

Udon runs on the main thread. Sleeping the main thread is a veryvery bad idea, since it would halt the entire Client.

SendCustomEventDelayed starts a Coroutine which acts like another thread, which is halted and then causes an event on the main thread and immediately kills itself.

[cinder glade]

right so I just did a triangle custom event loop that breaks on a bool check. I got it working thank you lads for the inspiration

but now i've come into a new problem. There seems to be no documentation for the 3.0 combat system (as far as I am aware)

[fiery yoke]

The combat system is pretty much considered legacy. The only two thikgs you cant really do in Udon atm is ragdolling and visual damage (scaling to ipd is the issue there).

[cinder glade]

what does ipd mean?

[fiery yoke]

Inter-Populary Distance. Essentially how far your eyes are apart. Which determines the size of the Camera rendering the Stereoscopic Views.

[cinder glade]

ah I see but you could still have damage and forced respawn happening you just have to find some other way to display damage?

[quaint trellis]

I'm trying to have an animation increase with 1 frame whenever I press a button. If I press it now, it only goes to frame one and not further. This is my udon graph rn.

[merry flame]

Would there be a custom script that hides something when your unmuted and shows when your muted?

[visual elm]

i need some assistance with buttons with the cameras

i used a guide for hq and lq mirror tutorial, and i'm trying to figure out if i can do more than 2 on the same graph to switch live feed cameras from 1 - 3, like five nights at freddys

can someone assist me with this?

[floral dove]

if this is a continuation of the graph you shared from yesterday, you just need to add more GameObject variables, wire them up in the inspector, and set them to active / inactive as needed.

[visual elm]

something like that, but i'ma share an example of what i intended to do

1 x off, 2 x off, 3 x off, 4 x off, if i turn on 2, the rest stays off, but if i turn on 4, 1 and 3 remains off and 2 gets turned off, if i turn on 1, 2 3 and 4 becomes off, turn on 3, 1 2 and 4 becomes off

i tried adding 3rd button, when i tested it by pressing, it wouldn't toggle on

1 and 2 works

[floral dove]

You can simplify the logic if you always turn everything off, and then just turn on the one you want to be on.
For example, create a program that has a reference to all the objects, and make a Custom Event called "AllOff" which turns them all off.
Then add a custom event called "TurnOn1" which calls "AllOff" and then turns on on 1. You can then trigger this from any other UdonProgram by calling "TurnOn1" on this behaviour.

[visual elm]

hmmmmmm

let's see if i understood this.... so...

if i make a new graph program for Turnon1, turnoff2 turnoff3 and turnoff4, then for 2, turnoff1 turnoff3 and turnoff4

that's like 4 udon scripts in each button mesh, yes?

i can work with the toggle, but how does it look like when other functions gets turned off in the graph?

can i get an example how the graph looks like?

[floral dove]

Not quite. I'll suggest a slightly different approach, maybe it's a little easier.

You'd create a total of 2 Udon Programs - we'll call one of them "CameraManager" and the other one "CameraButton".

The CameraManager program is on an object called CameraManager, it has a reference to all four GameObjects you want to manage. It has the events "AllOff".

You then have 4 GameObjects with colliders that act as Buttons. They each have the "CameraButton" program on them, a public GameObject variable called 'objectToTurnOn', and a public UdonBehaviour variable called "CameraManager"

You set the 'objectToTurnOn' on Button1 to camera1, on Button2 you set it to camera2, etc. Wire the "CameraManager" variable to the CameraManager GameObject on all of them.

On the "CameraButton" program, have the interact event call "SendCustomEvent" on the "CameraManager" UdonBehaviour. You should be able to choose "AllOff" from the SendCustomEvent dropdown if you've already wired up the manager. Then after that SendCustomEvent call, just call GameObject.SetActive(true), using the "objectToTurnOn" variable as the target.

So whenever you press Button1, it first tells the CameraManager to turn everything off, and then it turns Camera1 on. This way you can easily add more cameras and just update the array on the CameraManager to turn them all off before turning on your new one.

[visual elm]

hmmmm..

my head hurts thinking about all this....one sec

[autumn birch]

is there a script to enable a secondary animation that is attached to the same controller on an object on grab? which ideally would stop the previous one and then revert back when the player lets go.

[warm acorn]

Hey Momo, I'd like to thank you for spending so much time here helping people with Udon stuff

[floral dove]

you could do this with parameters in your Animator. This tutorial teaches a few different things, one of them is how to control Animators with Udon. That part starts here: https://youtu.be/95jRByYHE4Y?t=663

[autumn birch]

thanks

[autumn birch]

So I did that, but it isn't switching to the animation on grab. I assume it's defaulted to transition when clicked but not grabbed?

[floral dove]

that's up to you to implement - if this object has a VRCPickup component on it, you can use the "OnPickup" event to change the animator value when it's grabbed, and "OnDrop" to change it back when it's dropped.

[autumn birch]

I can't figure out how to do that... trying to make something like "onpickup -> Animator disable @floral dove

[floral dove]

what have you tried?

[autumn birch]

most recent attempt, I can't remember I keep going through different nodes

Oh, I got it

found one that works

[floral dove]

Did you watch and follow along with the tutorial I posted? In this graph, you're setting the value of the animator variable "BoboMove" to itself. Not sure what you expect that to do 🤔

you need to get the refrence to the animator and call SetBool or SetInt on it, depending on how you've set up your Animator Parameters

[autumn birch]

You wouldn't happen to know how to remove the "5" speed limiter from Hirabikis swim asset would you? It defaults to 5 on all values even if set to 9999 in game.

[floral dove]

no idea, sorry. You can get in touch with that author if you want help with their asset. Did you figure out how to control your Animator?

[autumn birch]

I can turn it off now, sadly when re-enabled it reverts to its original position rather than starting up the animation I gave it where the player drops it.

[hallow pumice]

I'm searching for options to create portals that can be used to send folks to a pre-defined instance. Preferably, I'd like to use the instance creator from the website to put a link into my world portal, so that it can send folks to the same instance by using that portal. Can this be done?

[mighty herald]

I'm trying to parse a fairly large XML file using UdonXML, but I'm running into an error that's shutting down the parsing mid-operation:
"Program execution time exceeded max VM time of 10 seconds."
Has anyone dealt with a workaround for something like this before? Thanks in advance 🙂

[grand temple]

you should time-slice it so you spread out the operation over multiple frames. Do a bit, stop, do a bit, stop, every update

[floral dove]

is it possible to parse it at edit-time instead of runtime?

[mighty herald]

Was thinking this, but Udon doesn't support coroutines, does it?

[grand temple]

no, but coroutines are not required for time-slicing

[mighty herald]

oh, then it sounds like I'm about to learn something cool 🙂

[grand temple]

There's nothing special about time slicing, it's not a specific effect. It just means to spread a large operation out over multiple frames. Whether you do that with update, coroutines, delayed events, it's all the same

but I would definitely investigate edit-time parsing before going down that road. If this is so huge that it takes more than 10 seconds, then I assume you're uploading the XML file with the world, so you should be able to parse it before uploading instead

[mighty herald]

I'll check that out. I've always only done runtime parsing of JSON and XML in Unity, wasn't aware that could even be done at edit time. I'll do some research on that. Thank you @grand temple and @floral dove !

[floral dove]

Yeah, you can do more at Edit Time than runtime with VRChat worlds since you're not limited to using Udon at edit time - you can just write normal Editor Scripts / Windows

how are you even getting the XML data at runtime?

[grand temple]

doing it at edit time means you can use standard C# instead of udon, so it will probably be a lot faster anyway

[mighty herald]

XML file is a TextAsset variable in my UdonSharpBehaviour. As a TextAsset I can just use myTextAsset.text and send that into the parser at runtime

[floral dove]

yeah, here's an Editor Script I wrote to load all of Hamlet from XML, then fill out virtual scripts in a scene (just loads Act 1 Scene 1, caveat that it was written for Unity 2018 so some things have changed but it can give you an idea of how it might work)

[mighty herald]

oh wow, thank you!

Ah I see. Editor scripts. Ok, making sense. So my issue is that I'm loading the Bible, lots of books, lots of chapters in each book, and lots of verses. The idea is that the player can choose Book and Chapter and that populates the UI at runtime. I suppose I could create a Text element for each chapter programmatically in the Editor. But I'm not sure that's the most efficient way to do it

I've got an app on Sidequest that works by just loading all of the text into a custom class at the start of the app while I do a load screen, but I don't really have that luxury for VRC

[grand temple]

If you're using udonsharp, you could just store everything in a massive jagged array

[mighty herald]

That's what I do in my standalone - but getting the strings readable to put in the array...I thought I would need to parse the XML first to do that

[grand temple]

Right, that's the part that you would do with the editor script

Then at runtime you just access the jagged array without parsing

[mighty herald]

so would you just make the array declared as a constant then? I think I'm missing the link between using the editor script and how to retain the array at runtime

[grand temple]

Not constant, no. That would make it unable to change, you'd have to define it in your IDE

though constant is only a c# extra, udon won't respect it so you could change it if you use methods like setprogramvariable. Udonsharp will stop you though

You just need a public string[][][] whatever is necessary. Then an editor script which parses and dumps it in

[mighty herald]

I guess I'm wondering - if I set a variable in my script via the editor, will it retain it at runtime

[grand temple]

Yes, as long as it's public

[mighty herald]

ahhhhh

bam

that just clicked

you rock - thank you 🙂

[grand temple]

It's a bit different because you can't just go into play mode and set it, then get out of play mode. It will reset the values

The main vehicle to do this through will be an editor window. You can Google how to create your first editor window. and then in that editor window, you have a reference to the text asset and a reference to your udon script that needs to store the value. Then have a button that does the parsing and dumps it into the udonbehaviour with something like trysetvalue

[floral dove]

(this is what my example window does if you want to use it as a starting point btw) - except that it updates a TextField instead of an UdonBehaviour, easy enough to swap out

[mighty herald]

yep I'm very familiar with extending the editor - all good 🙂 I really can't explain why it didn't dawn on me to do it that way. I guess I'm more used to using it to automate creating objects, rather than set the variables only. Totally appreciate you guys getting me unstuck

gonna hit the sack, but I'll send you guys my progress when I get back to it. Thank you again for taking the time to work that out with me. Super appreciative!

[rain hearth]

I'm an Udon noob here, I have a question about making a toggle that changes something in the scene lighting. I want to set an Udon graph node that can swap the color in the fog setting so it will appear more "nighty" but not sure if Udon can change that

I do know how to do a simple object toggle, but its not like I can find a subreddit or a YT tutorial on this sort of thing

[rain hearth]

a little video as I try to explain what I am after