I think its predict projectile path
#ue4-general
hoary pier
still moth
yeah, but its still instant, theres no time between drawing that prediction and registering a hit
fringe pivot
what's the logic behind a day/night cycle?
do I need to rotate my directional light around the landscape?
would that work?
still moth
im going to play around with predicting a path and see how that works
worthy flame
if i get some lamp props, and add them do they emit light on their own or i need to do it?
shy silo
I'm not sure how to go about starting a turn based strategy game and am having a rather hard time finding documentation or tutorials to get me started since I'm relatively new to learning UE4
plush yew
I got exactly the breakthrough that I needed but I feel like my knowledge is lacking in one more area. I can interact with all the items in my inventory just like how I'd planned and I'm eager to flesh that out but I can only display the names of the items. I could of course rig what I already know to show me more values but I'd perfer it to be uniform. Can you add column's to lists? Or should I switch from a list to some other element? My current plan would be to just have identical lists next to each other, one for each stat but I wouldn't be surprised if there's already an element I can use that doesn't require multiple lists
hoary pier
@shy silo Break your design into small pieces and ask more about each system you are having trouble with
shy silo
Alright will do.
brazen forum
hi guys. I can't figure out how to get a reference to my playercontroller. This is what I have so farif (GetWorld()) { playerController = Cast<ABasePlayerController>(GetWorld()->GetFirstPlayerController()); if (playerController) { UKismetSystemLibrary::PrintString(this, playerController->GetLeftMouseButtonDown() ? "true" : "false"); } else { UKismetSystemLibrary::PrintString(this, "Cast failed"); } }I alwaus get the "Cast failed"message printing to the screan, So how do I get the playercontroller?
fathom bridge
Are you calling this from the Character
candid cove
So I'm adding a little grass wind to my grass material but when i'm looking at the model, it's shaking to the point of going into the floor. Does anyone know how to make it so that its just the tips that are shaking? thank you
brazen forum
@fathom bridge yes
scarlet birch
@still moth "subtract a variable from the Z axis of the trace ending location every time the script runs and you'll have bullet drop"
That's not right.
If you're set on going after a realistic bullet path then it's a parabolic path. A bullet initially rises then falls.
still moth
i already have bullet drop
a bullet only rises and then falls when its zeroed for a certain distance, and generally speaking the amount it rises in that distance is so small its not even worth calculating
fathom bridge
Call GetPlayerController direcrly
still moth
right now im testing that setup against predict projectile path
brazen forum
@fathom bridge "Call GetPlayerController direcrly" What do you mean directly?
scarlet birch
I'm not sure what you mean by zeroed? I've heard that term used when talking about scopes but never heard of it as something that affects the way a bullet travels through the air.
candid cove
anyone can help with grass?
still moth
a gun is zeroed for a certain distance so that the point of aim matches the point of impact, so when the bullet comes down, it intersects that point of aim at a specified distance.. so the bullet doesnt go up, your sights are adjusted so your barrel is pointing slightly upward so that those two points meet
still moth
youre generally looking at less than an inch of elevation before the bullet meets its zeroed location, so for video game purposes its really not worth the effort or coding to put in any kind of rise
so a straight line trace for the first 50-100 meters is plenty good enough, and apply drop after that initial trace
weary basalt
Squad uses a Linetrace for impacts at a close distance to the Player. After that distance they spawn a physical projectile to simulate drop
scarlet birch
I guess. You seemed to be asking for a more realistic flight path. It's not that difficult to calculate the actual parabolic path and there are calculators all over the place that will give you the math.
That's a pretty good approach
still moth
you dont need to spawn a physical projectile to simulate drop when you can draw a new line trace at the end of the first one at reduced length to simulate air resistance, and subtract a small amount from the Z axis to simulate gravity
weary basalt
I didnt say you had to.
scarlet birch
I don't get the point of that. Why bother if you 're just going to do a straight line drop anyway? It wouldn't take much to make it a curve
still moth
i tried spawning an actual projectile and the performance hit was massive compared to other options
scarlet birch
Were you doing a lot of math in the projectile bp?
still moth
mike, if you have it drop a little bit every time a new trace is drawn at the end of the old one, and also reduce the length of sequential traces it creates a trace path identical to the flight path of an actual bullet.. as gravity is a constant, the only variable in a bullets flight path is its velocity
kindred viper
so if you have a spline, that maps out a general direction, then you use the time along the spline path to change the velocity, and/or the drop, to whatever you want, you have a nice system of dropping over time
but ill stop promoting splines now :p
still moth
but how do you set the points of the spline when the weapon is fired? because if you angle a gun upwards its going to have a completely different flight path than if its level
scarlet birch
I'm not trying to say that the approach is insufficient, I'm disagreeing when you say it's an accurate approximation of the path a real bullet would take. a bullet is parabolic. I got the impression you wanted a more accurate flight path and I'm trying to convey that it would not be difficult to just plug in that math to a trace.
hoary pier
@candid cove You need to mask the wind. Probably using a texture or the second channel of a coordinate node.
kindred viper
there is a VR controller blueprint that has a cheap one built in. You can modify it for purpose but yeah the math is apparently quite the same across the board, with a variable here and there
if you were going full simulation though, head to any C++ lib on that kind of thing really
scarlet birch
Without calculating drag you just need the acceleration due to gravity, starting speed and initial height.
still moth
think of the path you have when you throw a ball forward, how it comes down in front of you and has an arc along the way... then when you throw it straight up.. two different flight paths depending on the angle it was thrown.. how would you get a spline to calculate that?
kindred viper
well its some Sine math. I couldnt tell you off the top of my head. Id google what it is when I needed it. ๐
spline points all have tangents though so its easy to construct what you need at the times you need it along the path
ricochets are especially easy to deal with
scarlet birch
There's actually a couple of bp nodes that will do it for you.
hoary pier
still moth
i have a predict projectile path option that i was testing along side the line trace option
what advantage would a spline have over predicting a projectile path and just using that for hit detection?
hoary pier
The spline was to simulate bullet travel time
still moth
ok
fathom bridge
@brazen forum I mean just call GetPlayerController. It is a function on A character, and you don't need to go through the world with GetWorld()
still moth
doesnt predict projectile path simulate travel time?
hoary pier
I think, I've been sorta paying attention
fathom bridge
@brazen forum still cast it though
scarlet birch
I'd have to double check but I think it gives you an array of points, the time the projectile would be at that point and the velocity at that moment.
still moth
it seems predict projectile path has an out hit time and calculates time to a hit
there doesnt seem to be anything for calculating drag though
scarlet birch
Yeah I was just looking through the code and didn't see that either
hoary pier
It gives you a time it would take to arrive there but the predict is instant
I don't think it's used for that. If you want accurate bullet physics sim you'll need to find or make it from external sources
This is mainly for stuff lilke grenade previews and teleport previews i would think
still moth
yeah, thats what i figured
lunar plaza
Unreal Engine is planning to use VS as their default coding program
scarlet birch
It seems pretty useful to me if you want an approximation of a bullet path without too much work.
lunar plaza
kindred viper
imagine a spline line is a path, which isn't hard. Now imagine throwing a probing collision mesh down it at a rate you can control through velocity. Now imagine you want drag. You can start reducing the length of the spline + the speed of the probe animation based on the multiplier of the drag. But I'll stop promoting splines now :p
scarlet birch
I have a huge list of future project ideas and none of them need anything more accurate than what predict projectile path does.
Marc, I want to join you in the spline love, but I'm not seeing it.
๐
fathom bridge
@brazen forum it might be called GetController
kindred viper
yeah there is no reason to make realistic bullets unless you are actually focusing on it as a selling point
fathom bridge
@brazen forum also UGameplayStatics::GetPlayerController should work
scarlet birch
I'm happy with a line trace unless I want eye candy
brazen forum
tx for the hep I was able to get it workng ๐
kindred viper
@scarlet birch I probably wouldn't use them myself. I would go download a C++ lib from some math hero who had an interest in it. Then apply that
scarlet birch
Yeah, same the formula is not that bad. I'd just add that to a personal math lib
kindred viper
well.... just watched a true war in a UFC match. insane sport at times
crowd is going utterly mental
plush yew
I have an array of stored items. At any point I can get each of their display names, that's no problem. But I run into an issue when trying to get their item names. When an item is put into a bag I use the destroy actor node. This also seems to destroy any variables I've set for it
Is destroy actor the wrong node?
zenith flower
Cute, using bp Open Level, with a bad "find player start" will CRASH the engine with
"failed to player start"
plush yew
Or do I need something more elaborate. Where before being destroyed the item sets the values of an identical item that is created inside the inventory
hoary pier
It is expected that if you destroy the actor any variable pointing to it will be null now
Your inventory probably shouldn't worry about tracking the actor versions of things unless something very different is happening
I think it would be better to convert that information into a struct that the inventory can store when the item is deposited
Or an object class perhaps
plush yew
That makes sense, I already have a struct that helps my data table determine what values to assign objects on spawn, I assume I can recycle that, right?
hoary pier
You could pass the object back and forth for the life of the item through any deposits/removals
If it holds the right info, reuse away
plush yew
I have a question about creating my first map in UE4
I want to recreate a level from a game, it's an interior and It's mostly made up of static meshes
How would I go about getting started
scarlet birch
I'd just use a struct if you're working in BP. Use it to hold info on what actor to spawn, what icon for the inventory etc.. Titanic games on Youtube has an RPG tutorial that does a pretty good job of showing a way to do it.
hoary pier
My only thought on using an object instead was for tracking the life of things like durability, modifications, etc depending on your needs
plush yew
So the plan is to make a new object class called "inventory item" or something like that. Before destroying the actor I'll set the values of the to-be-destroyed actor to match the values of the inventory item. And rather than adding the destroyed item to my inventory array, I'll add the new object. Then if the item is ever removed from inventory I'll do the reverse
Yeah I'm tracking enchantments at least
modern sinew
How do you make an infinite loop without Unreal giving you an error? I tried with a while loop and UE did not like that
plush yew
delay
is what I use, I set the delay to be equal to world delta time. Idk if that's right but it's how I do it
modern sinew
ok, well it went up, but not down
plush yew
what're you looping?
modern sinew
well I can't get it to loop because you can't pull mulitple lines out of one pin, and I hate that
idk how to get it to do 2 things at once
modern sinew
well sequence does things in order
pallid talon
Question - I have a "LineTraceByChannel", works great. When successful I have a "SpawnActorByClass" that creates an object. The "SpawnTransformLocation" is connected to a "BreakHitResult > Location" node from my line trace. Problem is, the spawn object NEVER goes to the hit location. What am I missing?
plush yew
Is it possible that the object being spawned is overlapping with the location?
Like, do you know if the object is even spawning at all?
pallid talon
Yes, its 100% appearing. And its location is at 0,0,0 instead of the hit location from the linetrace.
I've had a debug line appear correctly from the linetrace. but my object is off at 0,0,0.
plush yew
Just to be super clear, can you print the results of the hit location that you get from your "breakhitresult" before the spawn node?
That way we know for sure that 0,0,0 isn't what's being plugged into the transform?
pallid talon
One sec...
plush yew
its tedious but so many of my issues have been caused by me making reasonable assumptions that turned out to be false
pallid talon
You're right. The location result from my "BreakHitResult" was printing 0,0,0. Arg..
plush yew
pallid talon
Hmm. Im not sure why....
plush yew
I haven't tested this but that's what my first try would look like
I'm pretty deep into my inventory right now otherwise I'd try to set it up on my end
pallid talon
Does that look right?
I'm using a "ConvertMouseLocationToWorldSpace" so the trace hits where my mouse clicks.
In my case, the Floor.
plush yew
Yeah idk it looks right to me. The only thing I guess would be world direction? I'm not too familiar with the convertmouselocation node. If it was me I'd set the start to be world location and the end to be world location +/- 90000 on the z. If that works for your scenario.
so if you're going down I'd assume that your line is going to be from the world location down 90000 on the z value of world location. But like I said idk that node so maybe someone who does can offer better advice
pallid talon
I'll try that, but I don't think that's the problem... It's strange because the red debug line is correctly hitting my mouse location on the object in the world. But the spawn is way off because of the incorrect Hit Location. Hmm.. It could be a bug.
plush yew
just like how you were printing the location see if it's hitting a location. Maybe the trace is going where it should but not generating a hit
it'll be off the return value node
pallid talon
Oh wait.. It looks like my debug line could be going through the object. I may need to look at my collision properties.
Thanks bud!
plush yew
np good luck
fringe pivot
No offense but UE documentation sucks donkey balls
pallid talon
The community provides a significate amount of resources as well Psycho. You should expand your search.
plush yew
My only point of reference is blender which is so poorly documented I've encountered users who did not even know certain features existed
pallid talon
I actually started learning blender this week. I find it, very well done in 2.8. But older versions were not friendly for me. I'm coming from 15 years of 3d max.
I'm used to working with 10,000+ objects and 3d max holds the crown for that.
But blender 2.8 seems to be on the right track now.
plush yew
Oh yeah I only make basic rigs and models. I teach it to kids on weekdays but there've been times where I've said "is X possible?" and gotten several "no"'s in response only to find out a few days later that it totally was. That's not the case as much anymore since I found the blender discord but before then it seemed like there was no single source that had ALL of the info needed. Everyone's individual knowledge seemed to be fragmented
pallid talon
Interesting. I'm finding a lot of good references on youtube. Plus my knowledge from Max helps a lot.
plush yew
Kind of like unreal before I found this discord. I only recently learned about the select node thanks to MathewW, I've done plenty of tutorials where rather than using the select node they set up a branch. It's a small thing but select is soooooooooo nice
Yeah I bet, I don't have that many years of experience. I only know as much as I need to work on my personal projects in UE4 and blender.
fringe pivot
What would be the workflow if I want to create modular characters?
I mean, characters where I can swap their clothes, weapons, etc.
Should I split their bodies in multiple meshes? Does that make sense?
Not sure how would I animate something like that tho.
lusty carbon
Hey, I want to create a simple vehicle that's AI driven in the scene. never controlled by the player.
What class should I create it from?
sudden agate
pawn
lusty carbon
Why not actor btw?
cloud cobalt
Pawn already has code for AI
lusty carbon
thanks
Guys another issue im having.
Updated to VS 2019. but UE4 still treats VS2017 as default and keeps opening it instead.
how do I set VS2019 as the new default ide for ue4?
cloud cobalt
Set in in the editor settings
lusty carbon
it's set. still launching vs 2017 when creating new class
cloud cobalt
Did you remove the intermediate folder and generate solution ?
cloud cobalt
And you set the compiler both in project & editor settings ?
lusty carbon
cloud cobalt
Looks like you're running <= 4.21 here
lusty carbon
airght
carmine umbra
right, i'm coming in with the noobiest question ever so be prepared... I deleted the VR gun from my FP character, and it's still visible in game... why?
proven oxide
Any way of setting the order of the includes in the module.cpp generated files?
we have a file that has to be included last but after the first compile its putting it first and breaking the compile
plush yew
I'm removing an actor from play and storing it in a reference variable when I do so. I was assuming I could use the spawn actor node later and just plug that reference in but that doesn't seem possible. Is there any way for me to either spawn an actor from my reference or create a new actor from my stored data?
I could set up a system that sets the class based on the stored variable but if I end up with 100 items I'd rather not plug in 100 possible conditions.
modern sinew
What's the BP for unlocking the mouse? (for my pause screen)
mellow iron
qwerty
modern sinew
Actual answers only please
mellow iron
bruh i just joined
modern sinew
got it to work anyway
fringe crest
I just realized that the unreal logo can be used for uwu and owo, at the same time!
w
modern sinew
๐ผ what's this
sour pine
hi
chrome cedar
hey guys ๐ just a quick question.. when I open my scene in unreal I get a notification "Project file is out of date. Would you like to update it?". So.. When I do that could there go anything wrong? I donยดt want my scene to be destroyed. And when I update it, could it be possible that many of the plugins Iยดm using for that project wonยดt work anymore?
wispy raven
does anyone know a way to make a camera strafe tilt?
modern sinew
Trying to make a dashpad, anyone know why this isn't working?
modern sinew
ok; well it makes me jump a little, but it still doesn't make me dash forward
progress tho
modern sinew
ok, no I got it to work
but it uses world vector directions and not local
:/
Anyone know a good way to get it to use the model's local direction so I can put it facing any way?
regal mulch
Can I not get the Bounds of an Actor via its Default Object?
They return (0,0,0) while the spawned actor, with bounds made visible) clearly has bounds.
Or can I achieve this via spawning deferred?
I want to offset the Actor in z direction by half height of the bounds
modern sinew
It says Character Movement Component does not inherit from "Character", but where does it inherit from then?
regal mulch
PawnMovementComponent iirc
modern sinew
"PawnMovementComponent does not inherit from Pawn" Same problem, different place
modern sinew
who does PawnMovementComponent inherit from
regal mulch
They have nothing to do with each other. One is a Component, one is an Actor
sudden agate
NavMovementComponent
regal mulch
UMovementComponent
And that inherits from UActorComponent
And that inherits from UObject
ACharacter -> APawn -> AActor -> UObject
As said, they have nothing to do with each other
modern sinew
nothings showing up for UActor
regal mulch
What are you even trying to do?
You don't need to cast stuff upwards
Character already has everything from Pawn, Actor and Object what it is allowed to use
As well as CharacterMovementComponent has everything from its parent classes
modern sinew
regal mulch
Why are you casting so much
modern sinew
each cast after the first is asking for a cast
That's all they'll accept
and toss errors if I don't cast
regal mulch
What is the original object you are casting?
modern sinew
CharacterMovementComponent, apparently. so I can change the Max speed
regal mulch
But if you already have the Character Movement Component
Why are you casting to begin with?
modern sinew
Well I tried to Get something, and it didn't work
regal mulch
You need the CharacterMovementComponent reference from your Character
modern sinew
how
regal mulch
Singleplayer Game?
Well I hope so, cause you shouldn't do Multiplayer with that level of experience anyway.
The most forward way is "GetPlayerCharacter" and then "GetCharacterMovementComponent"
modern sinew
Singleplayer, yea
got it to work
eXi, would you know how to use BP to make that Launch Character to get the pad's x-value instead of the World x-value?
Or anyone?
grizzled axle
RedPandaz, get actor's forward vector and multiply it by how strong you want the launch to be and put that in launch velocity in the launch character ?
dim merlin
Hi, anyone any good info about creating lan mp games?
modern sinew
@grizzled axle Not the player, the pad
grizzled axle
then get the pads forward vector ? and make sure your pad is pointing in the direction where you want the player/character to shoot off ?
modern sinew
The pad is not moving
grizzled axle
it doesnt have to move
it still has forward vector where it is pointing
in world
grizzled axle
I think you need different Get Forward Vector node
something that takes actor or self inside it, that one seems to want rotator, which is 0 0 0 currently
its called Get actor forward vector ? dont have UE open atm, cant remember
modern sinew
Still not working
plush yew
Why doesn't Unreal's Geometry show up as a mesh distance field? (Visualize -> Mesh Distance fields)
grizzled axle
RedPandaz, nothing is happening or do you at least launch somewhere?
modern sinew
Launch forward, but in the world X, which happens to be sideways
grizzled axle
are you sure your launch pad isnt just pointing that way?
modern sinew
yes, because I stuck an arrow to the front of it
grizzled axle
and that blueprint is in your launch pad?
modern sinew
yea
Wait, nvm, the two differently-oriented pads are pushing me in different directions
I just gotta swing the model around
grizzled axle
not sure then, this is how my old test project lauches my player away from the enemy when I get hit by melee and it works fine ๐ค
carmine umbra
Hey guys, So I'm a total noob and trying to make a material in UE4 for my landscape... I have downloaded a mat from quixel, and tried to build it in mat editor, but as you can see my preview looks nothing like the material preview from quixel, any ideas?
plush yew
@carmine umbra try changing the value on metalic
carmine umbra
to 0?
carmine umbra
how do I set it to a value rather than using texture samples?
I know i'm a total noob...
plush yew
@carmine umbra in material editor hold down 1 and left click to create material expression constant. You should do tutorials first, they have some good ones on web
carmine umbra
yeah im really struggling where to start with this stuff, Im wanting to make a basic forest environment but struggling to find a good tutorial
none actually go in depth, just talk through how they made it without detail
worthy flame
how to fix this gray space, i painted some textures over it and it turned like this. i tried undoing it. but didnt work
plush yew
does it say 'compiling shaders'?
topaz wadi
Hey guys, I want to make a rotatable map (regular and mini-map) like in Metroid Prime, so I was wondering what would be the best course of action?
plush yew
@topaz wadi https://www.youtube.com/watch?v=lSIya9obbSo
topaz wadi
That's pretty neat, Stain! ^^
Turns out the simplest solutions are usually the best ones.
And for it to display as hud, would it be better to mess with draw order or just set render target?
You can have 3D objects in menus, right?
sudden agate
@worthy flame you are using too many textures in your material. Change your Texture Sample Nodes to Sampler Source: Shared
topaz wadi
Okay! I found a solution here: https://www.youtube.com/watch?v=mSDgMmaddJw
Turns out you can in fact use 3D objects in menus.
worthy flame
well i have 11 textures. but i dont quite fully understand what you meant
@sudden agate
this is what it looks like now
sudden agate
do you even read?
modern sinew
Ok, I'm trying to have the player launch to the opposite side of the wall he's running on, whatever the angle, how would I do this?
sudden agate
math
modern sinew
but like, what math
worthy flame
well yes i do read. but i didnt have that sample node before
so i dont know where to connect it
sudden agate
you do. for every texture
worthy flame
ooh
modern sinew
I think I'd get the two object's location, but I don't know how to turn that into a vector
sudden agate
@modern sinew Trace towards the wall and take the normal and invert it. thats your launch direction
worthy flame
worked ty
modern sinew
How would I invert it? multiply by -1?
@sudden agate This looking good so far?
well no, apparently, as I got a bunch of errors
plush yew
Does anyone know why Unreal's Geometry won't show up as a mesh distance field? (Visualize -> Mesh Distance fields)
modern sinew
Anyone know why it's not running Cast there?
gleaming creek
The owner isn't a runwall?
modern sinew
no, this is in the Third Person BP
plush yew
Best tutorial for beginner? โค
modern sinew
Also, how can I move stuff from one folder to another? Cut and Past don't seem to exist
gleaming creek
Drag and drop
modern sinew
@plush yew Depends on what you're looking for
gleaming creek
Make sure to fix redirectors afterwards
modern sinew
@gleaming creek But it's several folders down in another folder
gleaming creek
Drag and drop
plush yew
@modern sinew A tutorial there learn me to make a game and basic blueprint stuff. :/
modern sinew
Trying to use stuff from AnimStarterPack for base mannequin
gleaming creek
And if you're asking questions about casting... it's usually because you've done something wrong with your logic, you normally shouldn't have to cast
modern sinew
@plush yew You're gonna have to be more specific. Currently I'm followling loosely a good FPS tutorial series
@gleaming creek I'm trying to get the location of the wall that the player is touching
plush yew
@modern sinew A city builder game tutorial?
modern sinew
That is not for beginners oof
plush yew
@modern sinew What is a good starting point? :/
gleaming creek
You don't have a reference to the wall
plush yew
@modern sinew But do i learn the mecanic to make a city builder in fps tutorial?
gleaming creek
How are you detecting the wall? Some kind of trace, touch event, something like that?
You need to store a reference to that wall in a variable, so you can use it here
plush yew
@modern sinew Is RTS beginner frindly too?
gleaming creek
Casting is for forcing a variable to treated as a specific type, for polymorphism - that's a rather advanced usage that you usually don't want
modern sinew
@plush yew Small steps, small steps. You're on lvl 0, and what you want to do is lvl 100. So do I, but I recognize I have to build up to that
An FPS tutorial shows you a lot of stuff that can be useful in other types of games as well
This is the one I reccomend and am using
plush yew
Okay thanks.
modern sinew
NP
@gleaming creek Well how would you get the location of the wall that the player is touching, and find the vector perpendicular to that?
gleaming creek
Touching or facing?
Touching, you can use a touch event
For facing, you'd use a raycast
modern sinew
Touching
I'm trying to improve the jumping from wall-to-wall when my player is wallrunnign, by adding in more force perpendicular to the wall as poopsed to straight ahead
@gleaming creek
Wym by Touch Event
gleaming creek
Then you must have implemented wallrunning already, surely you keep track of the wall you're running on already?
gleaming creek
Save it in a variable
modern sinew
Ok, I have the thing like "actor has tag" or whatever
That's how we tell
how....do I use that
@gleaming creek I promoted the wall to a variable
is that what you want?
gleaming creek
Yes, now you can use that variable to do your things
modern sinew
For some reason it's getting stuck when turning it into a variable
it won't go past that set
@gleaming creek
GTG
If someone knows why a set block is tripping things up, @ me and I'll read it when I wake up
dim plover
Is there something that refreshes overlaps so that things that are currently overlapping something will retrigger an Overlap?
wary wave
no
not short of disabling and reenabling collision, but you don't want to do that
why would you want to retrigger it?
dim plover
I currently have a melee weapon hat has some overlap comps on it. It's possible that something will already be in the overlap before the attack actually starts.
wary wave
only enable the overlap component when you're performing the attack?
dim plover
Huh... can't believe I didn't think of that.
wary wave
haha
haughty sand
sullen wraith
is setting up ai to shoot pretty basic? or more advanced
hidden aurora
lol
manic pawn
why are sequencer cameras hard coded to use horizontal fov 
hidden aurora
I have a suggestion for unreal, make like a realtime pose editor, for example you place a skeletal mesh in the level, and you can open the " realtime pose editor" and move the bones into a pose you want
manic pawn
I must be missing something, how do I uncap the sequencer fps? I obviously want it to play back the sequence at the maximum fps the player can handle not a specific one
nvm, it's not actually limited
carmine umbra
Could anyone tell me, when I download a material from quixel there is a .json file in the zip, whatโs this for? Canโt find any info online๐
steady owl
Can anyone help debug a brand new C++ third person template only possessing the server and not the other clients?
The pawn for the client spawns but he never gets possessed
Using stock gamemode
And it DID work the first time I started up the template, I just changed the player starts
The client's camera gets placed at the origin and the spawned pawn for him never moves
Which I'm assuming means he didn't get possessed correctly, I just don't know how it can happen with the default template
Turning off Use Single Process fixed it and the client could run around- Question: is it common to turn off single process for PIE? It's the first time I've ever encountered this not working before
spark sonnet
Is there a way to use line trace and then get hit actor, then get the health variable from that actor? Instead of adding all the different actors?
placid locust
Hi, does "stop all montages" stop every montage the is currenly playing? No metter slot/bones etc
plush yew
@spark sonnet yes. You need to use 'break hit result node
The line trace will output a hit result which you can read from, one of the things making up the hit result is the hit actor, you can then cast to that actors class to get the variable you need
worthy flame
how to improve fps/performance in the scene? with a lot of props
plush yew
really vague I know little about it but you need to do profiling to see what is lowering your fps. Think about your scene too. Are you doing a lot of stuff on tick? Are your props very high poly?
Could be anything so you need to identify what is causing the issue
worthy flame
high polly, trees,rocks, grass
plush yew
is there a way to take a chunk out of a landscape? I was thinking subtractive box geometry but that doesnt work
hmmm well foliage can often cause issues
worthy flame
i know, and ive searched on google but only solutions were scattered in 4 different links and i cant figure out
plush yew
But as I said what is 'high'? depends on computer
could be that is not even the cause and its something else. you need to optimise the worst stuff first
worthy flame
well it can run high at lower fps. but ive placed some settings on medium to make it easier
the thing is i have no idea what to optimize and where
plush yew
If foliage is the issue and you need to make sure it is there are tons of guides on foliage optimisation
But no point wasting your time optimising something thats only adding 1ms when something else is adding 10
plush yew
Are you spawning all the particles in one go? Maybe what you are seeing is the colour of the new particles being spawned, eg if your system lasts 10 seconds but you spawn new ones at 8 you will see the new ones as the old ones will be transparent
Set your particle whole system lifetime small but give the individual particles a long lifetime
okay can you go into more detail of your setup?
I'm not sure though I think your first leave tangent should be -0.1 and your second arrive tangent should be that.
Also, see how it looks if you make the materials just diffuse and not emissive
Other than that ask in graphics
fierce tulip
steady owl
By tweaking DefaultGame.ini in the project folder, does that override BaseGame..ini?
manic pawn
why are those cubes so bright with gi on
pallid talon
Question - I have a Line Trace that is going through my floor and not registering a hit. Here is what I have for my floor collision -
lost wasp
@manic pawn Cuz they are white
pallid talon
And here is my trace -
Why is my hit not registering? The debug line goes straight through.
worn granite
Is the floor part of the actor which is doing the trace?
pallid talon
yes
The floor is a BP and the trance function is in it via "ConvertMouseLocationToWorldSpace".
Should the trace be located in another object?
worn granite
You've got the trace set to 'Ignore Self'
You can also trace for just a specific component
plush yew
Hi, I saw that the RTX demos for unity got released by nvidia, Iโm wondering if thereโs a way to open them up so I can explore the scene myself, and even try it in VR?
is that possible?
Mainly the Star Wars demo
since it has the most to do with reflections
brazen forum
Hey so I'm kind of confused on the input system in ue4. I read that the PlayerController class is supposed to handle input and drive the character/pawn in the game, but then when I make a class inheriting from character or pawn I get this overridable function providedSetupPlayerInputComponent(class UInputComponent* PlayerInputComponent) So are you supposed to handle the key bindings inside your character/pawn class or in the PlayerController class?
sudden agate
you can do both.
spark sonnet
I found it out! From line trace hit result I made an array then GET node and then cast to all the characters
brazen forum
@sudden agate What would be the benifit of doing both?
sudden agate
idk
teal tulip
@plush yew with VR haha, don't even give 30FPS in a normal 1080p display with a 2080RTX
Last unreal version still have a lot of problems with the RT things so
wispy raven
hi, i got a problem with an animation from mixamo, the char's animation is not moving in place
instead, it goes a bit forward
i tried enabling rootmotion, but that makes the whole animation look weird
sudden agate
Mixamos root is the pelvis.
You need to retarget it properly
wispy raven
the char was created with fuse, shouldn't that fix the problem?
nevermind, i forgot to put "in place" in the mixamo animation settings
spark sonnet
How can I make a character fall down(simulate physics) when shot without it impulsing far away. I just want it to drop right to the ground
plush yew
What about without VR?
@teal tulip
You can just set simulate physics to true inside blueprint @spark sonnet
Iโm guessing itโs impossible to somehow move the camera
spark sonnet
I know but then it just impulses all around the map
spark sonnet
Then its glitching alot
plush yew
Even the atomic heart one which m super excited for
spark sonnet
Are there no way to just simulate physics without it having to fly to a direction. I just need it to fall down
plush yew
Well it will only move if it has forces applied on it
So it must be getting the forces from somewhere
teal tulip
well you can download these from the web
plush yew
any tips to create dream like atmosphere and dystopia like
spark sonnet
I have no force to it
plush yew
You can just set velocity and acceleration to 0 then it will only be affected by gravity
teal tulip
thing is you can't open these on UE4 as project or don't think so
plush yew
Yeah, thatโs what I was curious about
the Star Wars one has a .pak but Iโm not sure about those
plush yew
ah, i see
teal tulip
even if you do UE4.22 still have serius issues
wait till the 4.23 in order to have some decent RT
plush yew
any tips to create dream like atmosphere and dystopia like
Iโm excited for good rtx support
spark sonnet
kinda worked but still a bit weird
plush yew
Might want to lerp velocity to 0 instead of suddenly stop it.
pallid talon
I need some math support. Can anyone tell me what I'm doing wrong? I'm trying to create a line trace on a tick that will update Max X and Max Y by 1 each time the mouse is moved 100cm from a starting point. Here is a screenshot breakdown -
Is my math incorrect?
dim plover
I think the Calculate Direction thing got changed recently to the one you have now. And I think for your blendspace node, you need to label your X/Y axes.
swift elm
so if i have two actors and i want to detect one overlapping the other.... what's the best way to go about this?
i've got a "Mining Drone" that sets down on an asteroid and a trigger sphere for the drill part
spark sonnet
Just add a box collision and then get On_BeginOverlap @swift elm
swift elm
but then it will trigger whatever event on any collision, will it not?
pallid compass
why is there a cast node in there
spark sonnet
I can send you a screenshot later @swift elm
swift elm
thanks mate
spark sonnet
np
silent narwhal
Hi! Is it possible to save a locked detail(or other) window ? so it's already set to this when I restart.
Thank you if you know! ๐
remote rivet
Afternoon All. I'm still learning UE4, but I'm picking it up fast. I have a 20+ year programming background, and I'm wondering if there are any newbies out there who would like to just team up as design buddies. I help answer questions for you, you let me bounce ideas around. If you like my project and want to join me in my journey, great. If you just want someone on your friends list to ask questions about Blueprints too, that's cool too. My project is a Fantasy Survival First-person game with a focus on crafting and taming. Interested? Send me a message. Thanks.
vestal spade
Hi I'm very new to unreal and I am just trying to make a 3d map for a class I was wondering if I can just place I ramp by changing I cube or something Becouse I cannot figure it out
fast finch
@vestal spade If you go to Geometry you will find "Brushes" - https://gyazo.com/9b0771b3eca774fa213292011cea2d50 These can be edited in the Geometry editing mode - https://gyazo.com/1e1d705bbd8663bbb1271758001def0f
bitter iris
any reason to why this is happening
its annoying af
its not letting me enter "Pickup" it only lets me Picku or Pickupp
vestal spade
Ok
fast finch
@bitter iris Perhaps there is already a variable named Pickup?
bitter iris
it was because the otherside of the node wasnt set as pickup as well as the other
pulsar ledge
Any idea why setting the alignment of a size box isn't aligning its horizontal box parent?
I can click any alignment button I want in the size box but it's not moving the horizontal box. I watched tutorial (albeit a little old) and it did, so I'm confused
spark sonnet
@swift elm I am making it now
swift elm
Awesome, thanks, i've been sitting here racking my brain lol
tried like 13 different attempts, maybe just not the right ones
swift elm
So i'm making a drone that lands on an asteroid and mines a resource, the drone has a trigger sphere and i want it to be able to "mine" the resources when it detects that it has landed on an asteroid
so basically only mine when it has landed/docked with the asteroid and the trigger sphere is overlapping the asteroid pawn
swift elm
ty
crisp hawk
i'm stuck on network relevancy. If you have a multiplayer map, where there's like a "home" room, which when you go inside, its your area, your stuff, but everyone can go to their "home" room, and you won't see or get other players events even though its the same "room" or level or whatever
or like a section of a map, like a stream level, where only a "guild" can see each other there and basically have their own instance of this part of the map, but each "guild" can go to this same spot but have their own instance of it, without getting streamed information about the other guild's instance of this area
i seem to be having trouble putting this into words right now for some reason, i can try to explain more if thats not clear enough. I'd really appreciate some advice on how to set things up to make this possible
desert otter
Hey all! Sorry to ask, is there anyone who would be able to give me a hands on guide with AI, Blackboard and Behaviour trees? I get the gist of it, but for some reason everything keeps failing
Like miserably
spark sonnet
The behaviour trees haunt me at night ๐ฃ
candid cove
Hey guys, every time I try to build the lighting, it crashes at the very end. I would greatly appreciate it if anyone could diagnose as to why it keeps happening
LoginId:eb78a7374df6dc2d7498cd948d56f172
EpicAccountId:a0f3f94d8ca34eee907e48cb5359fd5d
Assertion failed: Texture->AddElement(PendingGroup) [File:D:\Build++UE4\Sync\Engine\Source\Runtime\Engine\Private\LightMap.cpp] [Line: 2124]
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Engine
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor
UE4Editor
UE4Editor
UE4Editor
UE4Editor
kernel32
ntdll
candid cove
1080
candid cove
i7
viscid gull
Windows 10 pro?
candid cove
yea
viscid gull
Are you building at highest?
Try lower settings
Quality
What version of ue4 do you use @candid cove
candid cove
it's at medium
viscid gull
Ok
viscid gull
That could be an issue with ue4 ot your computer
kindred viper
did you make sure you built the Lightmass exe in your engine build?
kindred viper
you shouldn't really do that. You only need lightmass and shader worker to build lighting
viscid gull
Ok
candid cove
Alright so what steps should i pursue
kindred viper
yeah its not going to break anything, but its wasted compilation time ๐
dark depot
no
viscid gull
.
kindred viper
Try rebuilding Lightmass exe in your engine source sln
dark depot
^
candid cove
Alright where do I begin lol
viscid gull
No just reinstall it and save your work somewhere
candid cove
im very new to unreal
viscid gull
Oh cool
kindred viper
oh. perhaps you dont have the unreal source version ๐ฎ
dark depot
i would also try it in a blank project before reinstalling
dark depot
reinstall is last step dun
viscid gull
Ok ๐
dark depot
reinstalling isnt going to fix it if its your project. and you backup by using source control or making a local copy of your project folder
dark depot
open new project try to build lighting
viscid gull
Ok so you may have to discard your work because it seems those files are borked
dark depot
if it fails it could be the engine install/swarm
candid cove
I built the lighting in another project and it worked fine
candid cove
Because i was just asked to do so
viscid gull
Ok I thought it was an issue with everything...
dark depot
ok so delete your intermediate files of the broken project
candid cove
ok so all the work gone?
dark depot
no
candid cove
what would be classified as the intermediate files
candid cove
I guess ill have to go to the unreal folder because i dont think i can find it in the content browser
dark depot
if i remember right there is also a button in swarm to clear its cache
viscid gull
Yes
viscid gull
Mines in documents
candid cove
Is there an easier way to find it lol
dark depot
finding your project shouldnt be that hard
candid cove
I can easily open it i just forgot where it's located
dark depot
if you really dont know in the launcher you can hover over the project and it tells you where its saved
viscid gull
:)
candid cove
alright so I delete the intermediate files?
dark depot
yeah
candid cove
done
dark depot
when swarm runs i would also clean its cache
but you should be able to build lighting now if not there are some other places to look at
candid cove
swarm?
candid cove
dont see it yet but ill keep a look out
rare axle
Anybody know the best way to make turn based stuff?
Where should you handle the tracking of who's turn it is?
Can't find many turn based tutorials at all
dark depot
Launcher/LearnTab/TurnBasedStrategy @rare axle
idle stump
Why is a GameMode an Actor? Is it spawned into the level? Where at? I noticed I can add components to my GameMode so I tried adding some but I don't see them in the level anywhere.
rare axle
Oh thank you, I had no idea that existed
wary wave
GameMode is an actor so that it has certain behaviours like ticking
you can give it components
it should be visible in the world outliner somewhere when the game is running
rare axle
@dark depot Can't seem to find the accompanying tutorial for that one..?
There's a test/template project but it's not really the kind of turn based I was looking for. The video link just goes to Epic's site
Searched for turn based there but it turns up nothing
dark depot
just open it and explore its contents. it has turn based content right? just adapt it to your needs
your not going to get something that is exactly what you want. that would be an already finished game
rare axle
Honestly opening the template... I don't really know what it does..
It generates a map and spawns pawns, but they don't seem to do anything
dark depot
if i remember right they also did a unreal stream about it you should be able to find that
rare axle
Really no clue. Seems to be more about random room generation than turn based anything
ancient otter
Hi guys, i got this particle system wich makes fog
this is just to learn a bit https://gyazo.com/31b709119798c49886cdf9b62eaaeca5
but there is a problem
how can i make it so its giant
but plane
because if i make it bigger its an spehere
but i want it to be like a GIANT floor
any help? pls
modern sinew
IF I have unreal on multiple computers, can I open a project on any of them? is it like Steam, where it saves to the cloud?
remote rivet
no, you'd have to use something like source control and an online repository to do that.
maiden sundial
Deleted, doesn't really fit in this channel
tired oracle
getting this strange bug when I clone a project, it has massive input lag.
Ive tried it like 5 times and its happened on 2 of the clones, the other 3 are fine. So I'm not sure whats causing it with some clones
I'm trying to figure it out so ive made a bunch of clones, its happening on 4.22
also the lag only happens on clients, not listen/server
ive narrowed down the bug, its something in the Saved folder
moving in the original project Saved folder fixes the problem
candid cove
Hey guys so I was building light but at the very end it crashed. Settings are at medium, graphics card is 1080, cpu is i7. I tried deleting my intermediate files but that didn't help. Any other ideas? Thank you
LoginId:eb78a7374df6dc2d7498cd948d56f172
EpicAccountId:a0f3f94d8ca34eee907e48cb5359fd5d
Assertion failed: Texture->AddElement(PendingGroup) [File:D:\Build++UE4\Sync\Engine\Source\Runtime\Engine\Private\LightMap.cpp] [Line: 2124]
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Engine
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor
UE4Editor
UE4Editor
UE4Editor
UE4Editor
kernel32
ntdll
dusky delta
Would anyone be able to give more details as to what the Derived Data Cache stores exactly?
Mainly i'm trying to find out if setting up a remote one would save our team some time in shader recompiling
https://docs.unrealengine.com/en-us/Engine/Basics/DerivedDataCache
pulsar ledge
I'm trying to google but I'm not exactly sure how to phrase this. There was a feature in Unity for tilemaps that allowed you to just paint a certain tile around the map and it would automatically place the right tile in the right place depending on the surrounding tiles
So right edges would go on the rightmost painted tile, middle tiles would be used in places there's a tile on each edge, etc.
steady owl
Is there any way to run console command cvars on different levels such as t.MaxFPS 240 without using the execute console command node in BP?
I heard someone say it's bad practice to use that node but I'm struggling to find any other ways to set some vars
The .ini way only works once on startup
viscid gull
@candid cove didit we just go over this
candid cove
yea we did but I tried what you guys told me nothing worked
lucid agate
Im running into an issue and i was wondering if anybody could help me im trying to make an item i have in my inventory add health to my health bar. however when i try to use it with the parent class of the item i wan't to add health to it doesn't work but when i manually select the item it works im unsure what exactly would cause this. also can i post issues here?
candid cove
i had to email them cause my mind was completely blank
viscid gull
@lucid agate ue4?
lucid agate
yes
viscid gull
what is health
lucid agate
im using blueprint functions and my health is a progress bar on my ui
lucid agate
thank you
lucid agate
no i have the health bar working i just try to use an item and it won't update my health bar
lucid agate
yes somewhat is there some way i can post my blueprint?
lucid agate
viscid gull
ok here is this
is that a more direct question you are looking for?
You can type in "Health bar not updating ue4" on the web to get results.
lucid agate
well on my graph i can get an error saying that my use item function isn't returning anything, but when I bind my spawn actor class to my test_item(my child actor class) it works but when i try to bind it to my parent item class it won't work
strong mesa
i have a pretty simple question that i couldn't find an answer for in the vast spider web we have
so i have an actor that is a template for guns and i made a couple child actors , but when i spawn both guns i can't control them at the same time because they both take the same input from the player so what happen is the last spawned gun takes over and the first spawned gun gets ignored , and i want to be able to activate any one of them when ever i want.
strong mesa
but i control the pawns throgh a custom event
viscid gull
@lucid agate that may be an issue with your blueprint. I really don't know what to do. I hope I've been helpful.
99 hold on
lucid agate
you're good you have been i will see if i can debug it out lol
strong mesa
viscid gull
strong mesa
i have to spawn them all first then disable the ones i don't yet need
then when i want to switch i enable one and disable the other
viscid gull
yes hold om
viscid gull
i cant tell
@strong mesa you can ask a staff or mod maybe
im not fully sure
it looks ok
strong mesa
i was thinking i could spawn and destroy them as i wish but then that would rest data like Ammo used and so on
strong mesa
no i made the system myself
viscid gull
Ok, I'm afraid a cant help you much farther. I hope I've been helpful.
strong mesa
okay thanks a lot for trying โค
viscid gull
๐
strong mesa
one last thing ,, don't forget i was using child actors and so i can't deactivate or activate them
strong mesa
if i can only make it act like it's independent but still shares the variable with it's parent would be great
lucid agate
ive got the error code Blueprint Runtime Error: "Accessed None trying to read property CallFunc_FinishSpawningActor_ReturnValue". Blueprint: InventorySlot Function: On Mouse Button Down Graph: OnMouseButtonDown Node: Use Item
strong mesa
i have the same thing but the game acts gow i expected so i ignored it
grim ore
@lucid agate click on the error to go tot he node and then fix the issue. It's telling you that the node is returning back nothing when you are expecting something and doing something with it. Breakpoint that node so you can see when it is doing it and why. The other alternative is to check to see if the item is valid using an Is Valid node before working on it. You might be trying to work on it too soon or when you have nothing there.
lucid agate
okay thank you i will try the isValid node
brazen forum
hey guys how can I change the charactermovement component to a different state. Lke right now my player is always in the walking state, but I want to make it so that I can change the state (ie change the state to the falling state.
lucid agate
okay i fixed it it was an issue with me not setting the child actor's class to itself in the descriptions i created
hoary pier
I believe its just setMovementMode
still moth
im rebuilding a ballistics script of mine in C++ following some C++ tutorials of a similar nature, i havent done much in C++ before.. its really not as hard as people make it out to be
especially when i dont have to fully type out something i want, but rather just begin typing to search for something.. its really not much different than visual scripting
hoary pier
C++ gets very confusing when you start dealing with more engine features, the macros make things very hard to figure out what is happening. Otherwise, yeah it's not the worst ๐
still moth
maybe, but if you have an engine to do a lot of that and youre mostly just doing scripting, its not that hard.. reminds me a lot of C# when i was trying out unity
why do people even use blueprints, or C# if scripting with the fastest code available for these engines is about the same?
pulsar ledge
I'm having a lot of trouble figuring out Paper2D collision. I've done some tilemap stuff and I've assigned collision to each tile, but when I put the default character in my scene and hit play he just falls through everything.
I've been troubleshooting this for the past hour or two T.T
lucid agate
does the ground have any collisions?
still moth
hmm, i do not know why someone would use unreal engine for 2D.. it just seems a bit overkill
pulsar ledge
I'm doing it because I want simple networking
And Unity's networking is horrifying for noobs
The ground has collisions in that I've given each tile collision via the tile map
Something's just super derpy with the character
I position him however I want, but when I hit play it looks like all the camera settings are reverting to their defaults
The character's supposed to be no bigger than about 2 tiles high, but when I hit play he's like humongous
So far unreal is the most confusing UI I've ever tried to understand lol
And I learned blender from scratch
tired oracle
whats confusing about the UI?
grim ore
check the location of the player when you start and when you hit play, see if he is being pushed "out" of the level by collision
pulsar ledge
If he is, heโs being pushed on the Y axis which would be weird
tired oracle
have you looked at the sample 2D project?
pulsar ledge
Is there a way to have the transform information of something update in real-time instead of just when you click it?
Yeah the sample 2D collides fine. I grabbed the sample ledge sprite and stuck it in my world with the sample default player above it, and he falls right through
Does it have anything to do with the fact that Iโm resizing the default character to like 0.1 scale?
grim ore
that's a definitely possibility, are you scaling the entire character or just the mesh
tired oracle
did you pick up the Platformer 2D Kit last month?
pulsar ledge
Uhhh the whole character I assume. Itโs a sprite, fwiw
grim ore
looks like the entire thing but why do you need to scale it?
tired oracle
or maybe it was february i dont remember
pulsar ledge
Nah itโs 35 now
tired oracle
ah rip
pulsar ledge
If I knew I probably wouldโve ยฏ_(ใ)_/ยฏ
Yeah there's something I'm not understanding about this system
I have two levels. One is the default level, one is another empty levle I've made
If I open the empty level and hit play, the character appears at the origin and just falls straight down
But I haven't even spawned the asset in the level
Somehow it's like coming from the default level into this one, but ignoring anything in the actual level?
Okay so yeah I guess I just don't understand level basics or soemthing because if I throw my tilemap in the default level, it works
So yeah just screw my last 3 hours I guess xD
grim ore
every level has a game mode, and the project has one as well. It has a default pawn that will spawn in when the levels starts
if you dragged a character/pawn into the level and expected it to just work that might be where your problem came from in the first place. It might have been spawning in the default pawn which is what you saw and ignored the one you had in the level
most of the templates that the engine comes with unfortunately never teaches this and goes about it in a crappy way for learning and has a character in the level already and overrides the spawning in of the default by forcing the one in the level to be controlled by the player
tired oracle
@pulsar ledge yeah i actually have issues doing 3D maps
like if i do a blank, empty level i have issues with it
but if i do a default new level and build from there, no issues
i remember spending hours months back trying to figure out what the hell happened xD
hoary pier
The only real important thing in the default level should be a playerStart. There's lighting/fog/meshes but they shouldn't affect much. You will get collision from the floor too i guess so could mask collision issues from your new stuff
pulsar ledge
Yeah Iโll look into the lighting stuff next time. For some reason it looks like everything on screen is like whitish tinted and the background is sort of greenish.
idle stump
I've been a bit out of the loop for the last 6 months or so. I thought Niagara was on by default now, it's still a beta plugin?
modern sinew
Is there a BP Block that is just โFor X Secondsโ?
wary wave
I'm not sure what you'd mean by that
still moth
hmm.. working with C++ for the first time.. GEngine errors, online tutorials tell me to change EngineCore.h to Engine.h, but the main project file only has CoreMinimal.h and adding Engine.h doesnt do anything
cloud cobalt
Engine.h is indeed required for GEngine
Not to the main project file, to the file that uses GEngine
Be careful with headers - include in the .cpp file that actually does stuff, not elsewhere
Not in the header, certainly not in the project header
still moth
so add it to the .cpp file that im trying to use GEngine?
cloud cobalt
Yes
still moth
alright, thanks, that made a lot of red lines disappear
cloud cobalt
The red lines don't mean much
Only the compiler output matters
If you have Visual Assist or VS2019 they get slightly less wrong, but the compiler output log is the bare truth of your code
still moth
but still, it removed a lot of the errors from not understanding things like GEngine
plush yew
hey just a quick question, I have a 1024x64 texture that I don't want the engine to stretch out to full 1024x1024, what should I do or use in the material to make it be 1024x64?
marble plaza
Maybe make the material 1024ร1024 with transparency on the sides of your texture
cloud cobalt
Multiply the UV Y by (1024/64)
plush yew
that wont cut it, its a simple emissive texture that will move left to right and I want to use that and multiply my other texture to do a simple emissive animation
@cloud cobalt wouldn't that just make it tile more?
cloud cobalt
Yes ; do an if node on UV Y too
plush yew
I don't think I'm doing it right, now its just one 1024x1024 texture tiled a bunch of times while I need it to be stretched. I'm using a texcord node, what should I do to multiply just the Y?
I don't think breakoutfloat2components and multiplying the red is the correct way to do it...
sudden agate
red is U
green is V
:P
cloud cobalt
break, multiply, and make 2V
sudden agate
or just multiply with a 2D Vector
cloud cobalt
Or multiply by (1, (1024/64))
plush yew
ok guys I'm very sleepy so excuse me but what am I doing wrong here then?
cloud cobalt
Yeah, Append instead
plush yew
ah right that might be it...
sudden agate
Append adds a component to a Vector.
Scalar -> 2D Vector -> 3D Vector and so on
modern sinew
Can anyone walk me through the BP for detecting the slope a player is standing on without having to be moving?
I hear you use Line Tracing or something but idk how
cloud cobalt
Line trace from your character's center to center - 1000 vertically, get hit result, hit normal is the slope
plush yew
ok that did it guys, thanks for correcting my brain and saving me from any additional lack of sleep this thing might've caused me today
sudden agate
@modern sinew DotProduct(Normal, (0,0,1)) gives you the angle
modern sinew
of the thing you'r standing on?
sudden agate
yeah
modern sinew
That's of 2 #D vectors
*3D
where do I get the vectors? And how does that tell the angle?
modern sinew
idk how to use trace tho
modern sinew
ok
Do you have to use 2 traces tho?
to find the angle?
otherwise you're just finding a point
which doesn't help I would think
carmine umbra
Hey guys, quick question, I am getting super bright exposure when looking down in game, even though I turned off 'eye adaptation'... any ideas why?
cloud cobalt
@modern sinew Do the tutorial on the doc page
cloud cobalt
Do the tutorial and look at the hit result structure
carmine umbra
I haven't added a lightmassimportancevolume... would that be the issue?
cloud cobalt
@modern sinew Google "UE4 line trace"
carmine umbra
Figured it out I think, unless this is the wrong way to do it?... added a post processing volume, then in exposure set max and min to 1?
modern sinew
cloud cobalt
I don't know, does that look like a tutorial on line trace ? You need to be more autonomous if you want to be efficient
You can't wait on people here to tell you where to click all the time
lusty carbon
I have a box component that's not triggering my other actor
kinda stuf and need help
cloud cobalt
Do both actors have "generate overlap events" ?
Make sure each actor is set to overlap the others's collision channel
lusty carbon
Box collision presets :
AActor presets :
it works perfectly in one instance, and not at all in the other
whole quarry
I see a overlap and a block, but non generate hit events ๐
dim merlin
Hi, how to spawn grass on a specific material vertex color on static mesh (like landscape grass) ?
cloud cobalt
@lusty carbon Look closely at the doc page I linked - you need to go into the collision preset settings to make each actor overlap the other's channel
Your AActor overlaps nothing
lusty carbon
then why is it working with another collision box that I have somewhere else?
cloud cobalt
If it works with box A and not box B, then box B does something different and wrong
lusty carbon
they're the same ..
ive tried playing with all those collision presets
it just won't trigger
cloud cobalt
They are not the same, or they would work the same
There's a Blueprint compare tool IIRC ?
whole quarry
so it overlaps, there is a Event Overlap trigger, but no hit
lusty carbon
what do you suggest?
whole quarry
to make them the same thing
lusty carbon
make what the same
whole quarry
omg
Do both actors have "generate overlap events" ?
https://docs.unrealengine.com/en-us/Engine/Physics/Collision/Overview#overlapandgenerateoverlapevents
Make sure each actor is set to overlap the others's collision channel```look I am new to this, and having hard time wrapping my head around this
cloud cobalt
@lusty carbon Select the working actor, and the non-working actor, in the content browser - right click and hit "diff selected"
That will compare them
If they do not behave the same, then they are not the same
So compare them and understand why one does not work
You do have one working actor right ?
whole quarry
If he's unable to see the differences on those screens, I doubt he even opened that URL and read anything
custom collision channels and settings are so much easier tho
cloud cobalt
So compare the rest.
lusty carbon
one on the lest generates overlap event. one on the right don't
same actor ofc.
idk what else
cloud cobalt
The tool allows you to compare all of the actor
whole quarry
hint: your actor is blocking
lusty carbon
@whole quarry How's my actor the problem if (for the 10th time) it is working with the other collision box?
whole quarry
magic
lusty carbon
you're making me look like an idiot while all Im doing is comparing two things with common sense. there's no reason for one box not to work while the other is exactly the same and works.
whole quarry
Though good question actually, since your Actor is blocking WorldDynamic, and not overlapping
lusty carbon
But it's okay, I'll pass. you've been just too nice
whole quarry
so that you got a false positive result there
maybe some frame stuff going on there
cloud cobalt
We're not making you look like an idiot, it's just that there's no way you have diff results with same actors. Maybe you modified either actor in the level ?
Have you checked that ?
Maybe both BPs are wrong but you fixed one in the level
whole quarry
that sounds plausible actually
or maybe a spawning order or something in the level?
collisions can be wierd..
it would be easier to just make a new collision channel. set it to Overlap by default, and all problems are solved ๐
but thats lazy me being lazy
lusty carbon
ok ill look into it
thanks
so generally the actor needs to be overlapping and not blocking
whole quarry
If you want Overlapping results, both parties should use Overlap
unless you want to block, then both parties should Block
lusty carbon
btw, if the actor is a BP of different meshes, the collision channel in question exist on the parent mesh, right?
cloud cobalt
The kicker here is that the blocking actor you want overlap with should be blocking all BUT also have overlap with the overlapping box's channel.
WorldDynamic apparently
whole quarry
each child can have their own collision settings
you need to play with collisions and break stuff to get the general idea
modern sinew
Ok, I know how to do line trace now, but not to get the angle
wait
I can get the world rotation
right?
modern sinew
wait, why can't I just do GetWorldRotation of the actor the trace hits?