💻┃code-beginner

[rich adder]

just an example like if it were a loop. Each iteration is adding an offset + the iterator value (the i in the loop)

its not once you learn all the basic pieces

your only limit after that is how much your brain can muster some logic 😛

[sand snow]

yeah its just so hard when you have no understanding, im starting to pick up on certain things

like i understand the logic of it, i just dont know how to write it out

[turbid robin]

so i should add something like the line you made after the first block is placed?

[verbal dome]

If you can already understand the logic then you have a good headstart

The syntax etc. comes with practice

[sand snow]

yeah thats the problem im having

[verbal dome]

How long have you been learning?

[turbid robin]

gridCube.transform.position = new Vector3((bottomLeft.x + (blockSize/2f)), (bottomLeft.y - (blockSize/2f)), gridCube.transform.position.z);```
why with this line of code the blcoks get placed here? (blocksize = 24f)

[sand snow]

3 days 💀 but like 12+ hours each day

[steep rose]

ah i forgot, jumping with addforce is fine Unless you have Forcemode.impulse at the end of it i said it the complete opposite

[verbal dome]

Yeah no one knows what they are doing after 3 days

[rich adder]

again you're using world position

I think

[steep rose]

wait

[sand snow]

So its completely fine if its in Update?

[steep rose]

i said it complete opposite

LMAO

[sand snow]

oh so i need to add impulse to it?

[verbal dome]

Impulse for one-shot forces

[rich adder]

Impulse is fine in Update / One frame function if its in Impulse

[turbid robin]

                // Bottom left corner
                Vector3 bottomLeft = Camera.main.ViewportToWorldPoint(new Vector3(0, 0, 0)); 

                // Place block
                gridCube.transform.position = new Vector3((bottomLeft.x + (blockSize/2f)), (bottomLeft.y - (blockSize/2f)), gridCube.transform.position.z);```
this is the full code

[steep rose]

you need Forcemode.impulse if you are going to jump in update

sorry im a wreck

[sand snow]

where do i put it

 void Update()
{
    if (Input.GetKeyDown(KeyCode.Space))
    {
        rb.AddForce(new Vector2(rb.velocity.x, jumpForce));
    }
}

[rich adder]

second parameter of AddForce look it up

[sand snow]

okay so after jumpForce)?

[rich adder]

oh ok so which one is the square the white one ?

[steep rose]

https://docs.unity3d.com/ScriptReference/Rigidbody2D.AddForce.html

[turbid robin]

oh ignore that

[rich adder]

yes you need 2d version

[verbal dome]

This is how I usually reach the documentation

[sand snow]

like this?

 void Update()
{
    if (Input.GetKeyDown(KeyCode.Space))
    {
        rb.AddForce(new Vector2(rb.velocity.x, jumpForce)ForceMode.impulse);
    }
}

[steep rose]

you need a ,

[rich adder]

no

[sand snow]

oh thank you for reminding me

[rich adder]

ForceMode is wrong

[turbid robin]

the square i am placing is the black one

[rich adder]

you need to configure your IDE

[steep rose]

you need ForceMode2D

[rich adder]

impulse is also capitalized which leads me to believe OP does not have configured IDE

[steep rose]

its most likely not

!ide

[eternal falcon]

💡 IDE Configuration

If your IDE is not autocompleting code
or underlining errors, please configure it.

Select one:

• Visual Studio (Installed via Unity Hub)
• Visual Studio (Installed manually)
• VS Code
• JetBrains Rider
• :question: Other/None

[sand snow]

what is IDE

[rich adder]

do you have a loop or is that the only code ?

[steep rose]

integrated development environment (IDE)

[rich adder]

the thing you write code in (ideally)

[sand snow]

is that the thing when you connect your unity to visual studio?

[rich adder]

yes

[sand snow]

I have that set up

[steep rose]

visual studio is an IDE

[rich adder]

visual studio is the IDE

[turbid robin]

i have a loop, let me send it all

        for (int i = 0; i < width; i++)
        {
            for (int j = 0; j < height; j++)
            {
                GameObject gridCube = GameObject.CreatePrimitive(PrimitiveType.Cube);
                Renderer renderer = gridCube.GetComponent<Renderer>();
                if (height % 2 == 0)
                {
                    renderer.material.color = Color.black;
                }

                // Bottom left corner
                Vector3 bottomLeft = Camera.main.ViewportToWorldPoint(new Vector3(0, 0, 0)); 

                // Place block
                gridCube.transform.position = new Vector3((bottomLeft.x + (blockSize/2f)), (bottomLeft.y - (blockSize/2f)), gridCube.transform.position.z);
            }
        }```
widh and height are both 10

[sand snow]

oh

[rich adder]

well not according to line of code you sent

it would give you an underline red

[steep rose]

do you get red underlines

or squigglys

[rich adder]

weird but also , you're not using i or j in the placement too
maybe try can you try Camera.main.ScreenToWorldPoint instead of
Camera.main.ViewportToWorldPoint I think ?

[sand snow]

this has no errors so there are no red squigglys

     void Update()
    {
        if (Input.GetKeyDown(KeyCode.Space))
        {
            rb.AddForce(new Vector2(rb.velocity.x, jumpForce), ForceMode2D.Impulse);
        }
    }
}

[turbid robin]

atm i am not, first i want to be sure that the block is placed on the right place

[steep rose]

!ide

[eternal falcon]

💡 IDE Configuration

If your IDE is not autocompleting code
or underlining errors, please configure it.

Select one:

• Visual Studio (Installed via Unity Hub)
• Visual Studio (Installed manually)
• VS Code
• JetBrains Rider
• :question: Other/None

[rich adder]

well now its wirtten correct thats why, try writing it with non-capital i

[steep rose]

configure it, right now its like using notepad

[turbid robin]

without the + pixels it works

[sand snow]

yeah

[rich adder]

so blocksize/2 is probably wrong

[sand snow]

yes i have it setup already

[turbid robin]

i also think that

[steep rose]

you see red underlines when with a lowercase i?

[sand snow]

yes i have been able to see that

[turbid robin]

but why? as far as i understand +24f (exmaple) should add 24 pixels

[steep rose]

okay good

[sand snow]

I edited this in discord not visual studio

sorry for the confusion

[steep rose]

well now you can use the addforce in update()

[sand snow]

yes it is all fixed now

thank you guys 🙏

[rich adder]

try rq

  gridCube.transform.position = new Vector3(
            bottomLeft.x + (i * blockSize) + (blockSize / 2f),
            bottomLeft.y + (j * blockSize) + (blockSize / 2f),
            gridCube.transform.position.z
        );```

[steep rose]

only with ForceMode2D.Impulse though

and yw

[sand snow]

i have another question, when i jump midair and walk in to a wall (while still being airborne), why do i stick to the wall instead of keep falling @steep rose

[rich adder]

ah shit lol myb I think you want

      bottomLeft.x + (i * blockSize), 
            bottomLeft.y + (j * blockSize), 
            gridCube.transform.position.z
        );```

[rich adder]

because physics

[sand snow]

but why do i not fall down?

[rich adder]

you keep applying force towards a wall

thats unnatural

[sand snow]

is there anyway to make my character fall?

[rich adder]

when something hit the wal it stops velocity forward then falls down

[turbid robin]

now it stats from the bottom left, but still it isnt added the half pixel size

[sand snow]

i will try writing a code for this

[rich adder]

on step at a time ig. lol what is blocksize set to

[rich adder]

you can use a physics material set to NoFriction on the collider, that might solve it

[sand snow]

im guessing ill need to use tags and like a wall check or something?

[turbid robin]

24f

[rich adder]

that is HUGE

your blocks dont look like 24 meters big

[turbid robin]

meters?....

[sand snow]

but then the floor will be slippery correct?

[turbid robin]

should it be pixels?...

[rich adder]

yes unity unit is 1m

[verbal dome]

Btw, manually writing rigidbody movement is not an easy task so don't be discouraged because you will run into quite a few issues

[rich adder]

thats why Pixel Per Unit exists

[steep rose]

you would want a https://docs.unity3d.com/Manual/class-PhysicsMaterial2D.html

[rich adder]

it could be yes. if you use addforce that is that accounts fr friction

what I typically do is use a SweepTest or raycast

if the path is blocked dont apply force that way

[steep rose]

you either would make a different collider for wall collisions or write your own friction code

[sand snow]

what do you use for this?

is it just a ground check but for a wall?

[rich adder]

I dont like messing with Physics material to solve it as i found it to cause other issues. SO I do the thing I just said lol use casts

[rich adder]

pretty much

[polar acorn]

Raycast in the direction of movement, if something's in the way, don't move

[steep rose]

and make it only when you are airborne as well

[turbid robin]

what is that?

[rich adder]

to determine how per meter how big ur image is

eg
32 pixel square, set to 32 PPU
32 pixels = 1 unit = 1m in unity

[sand snow]

for my scipt to detect im airborne do i do something like rb.velocity.y > 0

[steep rose]

you would do !isgrounded, as long as you have a grounded function of course

[polar acorn]

It is how many pixels are in a unit

[rich adder]

dont you have a isGrounded?

[turbid robin]

and how much should i make that?

[turbid robin]

understand thx

[sand snow]

to make isGrounded dont i need to make a variable?

[steep rose]

a boolean yes

[polar acorn]

How many pixels do you want to take up 1 unit?

[rich adder]

isGrounded = GroundCheckMethod()

[turbid robin]

idk, 1 pixel = 1 unit?

[steep rose]

but you would need to activate it/deactivate it by raycast/ spherecast /checksphere etc

[sand snow]

so private bool isGrounded

[rich adder]

but your box is not 1 pixel big lol

[turbid robin]

how much is my box?

oh the black box

[rich adder]

you have to check the sprite texture settings

[sand snow]

hold on I will be right back I am going to try to make a code

[polar acorn]

Sure, try that if you want

[turbid robin]

i was thinking the main camera

[polar acorn]

and see what it does

[turbid robin]

how can i do that if the box get created by the code?

[rich adder]

if you're using the default unity square idk what the PPU is and i dont know how to change is as the texture is hidden for some reason

[turbid robin]

okkk, thx

[rich adder]

thats tricky idk tbh lol

[steep rose]

[SerializedField] private bool IsGrounded;

Isgrounded = raycasthit;


// you could also do checksphere as well
 

[turbid robin]

nice ahah

[sand snow]

dms

[rich adder]

IsGrounded = raycastHit 😛
if else is redudant for bools result

[polar acorn]

This is Mega Man. He is 21 pixels across. If you wanted Mega Man to be the same size as a cube of scale 1,1,1, you'd make his sprite's PPU 21.

[steep rose]

my brain is not working today 😂

[rich adder]

me too i need me some tea

🍵

[steep rose]

water for me

[rich adder]

my water is just hot 😛

[turbid robin]

the problem is that i cant access megaman (in this case) because megaman will be created by the script

[formal sable]

It's work! Thank you very much!

But jumping works crookedly... He jumped once and that's it, and he jumps very badly

Here code: https://hastebin.com/share/iyafazuwey.csharp

[steep rose]

with spices lol

[sand snow]

what is SerializedFeild and what is raycasthit

[rich adder]

https://docs.unity3d.com/ScriptReference/SerializeField.html

[steep rose]

raycast

[steep rose]

what how did i do that 😂

[verbal dome]

You could keep your old rb.velocity.y when you change the velocity

[polar acorn]

Any method by which you create a Sprite, be it importing or generating, will have the ability to set the pixels per unit

[rich adder]

discord added automatically adding link tags

if you paste link into text it auto creates the required markdown

[steep rose]

neato

[rich adder]

[ThisIsALink](https://)

[steep rose]

i was wondering how you did that

[turbid robin]

how? i cant access the inspector

[sand snow]

i read this but what does serialize mean

[rich adder]

just means to organize everything neatly where it can be easily read

[sand snow]

it just gives the public effects to the private void?

[polar acorn]

I never said to use the inspector, I just said to change the pixels per unit. However you are creating it will have an option for that

[polar acorn]

In this case, it mostly means you can modify it in the inspector, despite being private

[steep rose]

no it only allows it to be able to be seen in the inspector

[sand snow]

so it doesnt actually do anything?

[wise spoke]

Hello, someone know how to declare a list in list ?

[rich adder]

in unity yes it exposes them (private stuff) in the inspector or public ones also show up

[polar acorn]

List<List<SomeType>>

[turbid robin]

i dont know how to do it, do you know how?

[steep rose]

Public makes it public to all other scripts

[polar acorn]

I don't know how you are creating it

[steep rose]

to be used

[sand snow]

OHHHHH so it makes it public for the inspector tab but no other scripts or gameobects, correct?

[steep rose]

technically yes its not public though

[rich adder]

its still private, its just "exposed" in the inspector
aka being able to be modified in inspector as if it was done in the code

[turbid robin]

GameObject gridCube = GameObject.CreatePrimitive(PrimitiveType.Cube);```

[polar acorn]

Basically. It has other affects on things like writing an object to disk, but for the most part, you can consider it as that in Unity

[polar acorn]

This isn't a sprite, this is a Mesh

[sand snow]

so whats the point of it? why woudl i keep it private instead of making it public at that point

[rich adder]

encapsulation

[steep rose]

so it doesnt mess with other scripts

[rich adder]

very important concepts of OOP

[sand snow]

oh okay makes sense

[polar acorn]

So you don't change it in other scripts, forget about it, then come back to your project a month later wondering why the hell you keep ending up grounded while 20 feet in the air

[rich adder]

so other scripts dont accidentally reference it and modify it

[turbid robin]

oh ok, (so? sorry i am a beginner ahah)

[polar acorn]

Pixels Per Unit is a property of sprites. Meshes don't have PPU because they don't have pixels

they just are that size

[sand snow]

literally learning more in a 20 minute conversation in discord than 10+ hours on youtube

[rich adder]

You just need to make your blockSize smaller in code

[sand snow]

i guess just being able to ask questions is that powerful

[wise spoke]

Thank you, I tried it before but idk why it works now

[steep rose]

well yes, its good to ask questions for things you do not know

[turbid robin]

oh ok, easier that i was thinking

[steep rose]

this applies to everything

[rich adder]

with proper research and base knowledge eventually you wont ever need youtube vids at all

[sand snow]

yeah i try not to use youtube, its literally so terrible for learning tbh

[rich adder]

just make sure to anything you do not know etc. and yes doesn't hurt to ask clarification here

[turbid robin]

the problem is that i want to be sure that the block gets placed in the bottom left corner but not from the center

[rich adder]

it is at bottom left corner tho

looks like it

[turbid robin]

it is

[sand snow]

they just basically give you their code and dont explain anything, and even when they do explain it, they dont explain why stuff is happening or how its happening

[turbid robin]

but from the center of the black block

[rich adder]

well yeah thats where the pivot is

[steep rose]

thats why we exist

we explain (hopefully)

[rich adder]

transform.position always goes from the pivot

[turbid robin]

can i change it?

[formal sable]

https://hastebin.com/share/qewukizuve.csharp

What do you think? Is the code correct?

[rich adder]

its tricky in unity, you either make a parent then adjust child until it looks correct as pivot you want (then use parent transform.pos)
or you use modeling program to fix it beforehand

or just add offset in code to compensate

[turbid robin]

if it was a sprite i would just add half of the pixel size, and i guess i cant make sprites with code right?

[rich adder]

you would add from the middle the halfs yes

[turbid robin]

what?

[rich adder]

if block is 6,6 and pivot is 3,3 you add the 3,3 offset

[rich adder]

#💻┃code-beginner message

[turbid robin]

the block is 1,1. i should ass .5,.5?

[verbal dome]

You gotta plug your current rb.velocity.y there so it keeps the vertical velocity```cs
// ...
moveDirection = rotation * moveDirection;
Vector3 newVelocity = moveDirection * speed;
newVelocity.y = rb.velocity.y;
rb.velocity = newVelocity;

[rich adder]

yes

[turbid robin]

ok let me try

[sand snow]

can i use vector2 instead of vector3 with physics.raycast?

or am i just not even understanding the concept correctly

[rich adder]

well yeah you need Physics2D version

for 2D colliders

[verbal dome]

Yes, in fact the 2D version expects Vector2's
https://docs.unity3d.com/ScriptReference/Physics2D.Raycast.html

[sand snow]

my game is 2d

[rich adder]

they are interchangeable btw though

[turbid robin]

i did 😭

[rich adder]

looks fine, the gap just needs fixing with blockSize

[rich adder]

when you pass a vector3 to a vector2, its valid because the z just gets 0d out

[turbid robin]

yes i should make the gap less

[rich adder]

yes blocksize is probably 1

[turbid robin]

this is my goal

[rich adder]

if thats default cube

[rich adder]

a grid?

[sand snow]

before i make my raycasthit, it makes sense to make a ground check first right? @rich adder

[turbid robin]

yes, i am making it like this because i want to be able to work on these cubes

[rich adder]

understood

[turbid robin]

there will be things placed right on top of that and i will use the array for the pathfinder (at least i hope)

[rich adder]

look into making the cube an actual Object

[rich adder]

You would separate your visuals from code there

[rich adder]

wdym ? do you not have a groundcheck

[sand snow]

no i havent made one yet

im about to try to make one right now

[rich adder]

ohh then yes make one first

[turbid robin]

why?

[sand snow]

i just need a private bool and the use of tags right?

[rich adder]

so you can easily reference that position,clicks etc. unless you have a 2D rapresentation of it in code

[rich adder]

you don't need tags
Use layers and put specific things there

[turbid robin]

ok i will do it

[sand snow]

i cant just use the velocity?

oh

[rich adder]

use velocity for what

[sand snow]

like if my velocity is more then 0 on the Y axis then I am airborne

then for isGrounded would be false

right?

[rich adder]

if you do that there is no point in raycast

I wouldn't rely on that if you're gonna use a raycast

[steep rose]

no you would only need the !isgrounded boolean

[rich adder]

also grounded is not guarnteed to be rb.velocity = 0

[sand snow]

well do i need a raycast?

[rich adder]

as it fluctuates when ur on floor

[sand snow]

i thought the raycast was so i dont stick to walls

[steep rose]

yes #💻┃code-beginner message

[rich adder]

yes but can be used for grounded

[steep rose]

https://docs.unity3d.com/ScriptReference/Physics.Raycast.html

[sand snow]

okay just to clarify, I need a raycast for a ground check?

[steep rose]

yes

or spherecast/ boxcast / checksphere, etc

[frosty hound]

To clarify, you need a cast of some sort, it does not have to be a sphere.

Casting a ray into the world gives you back information. The shape you want to use, be it a ray, a sphere, a capsule, etc. is up to your usecase.

[sand snow]

i think i will use raycast, in order to do the ground check with this, i need to put the max distance of it to a small number though right?

[steep rose]

use the documentation

but yes and no

depends on how large/tall your character is

you would preferably make it a [SerializedField] private float so it can be changed via inspector

[sand snow]

my character is like 30 pixels tall or something

i forgot

i made it in photoshop

can i show you in dms what he looks like

[steep rose]

thats okay you do not need to

[sand snow]

i just meant like if you wanted to see 😭

[steep rose]

do this if you are unsure #💻┃code-beginner message

[sand snow]

what does "public static" mean in this

public static RaycastHit2D Raycast(Vector2 origin, Vector2 direction, float distance = Mathf.Infinity, int layerMask = DefaultRaycastLayers, float minDepth = -Mathf.Infinity, float maxDepth = Mathf.Infinity);

[steep rose]

its the same variable of a class thats created i believe

[rich adder]

static meaning you can call the method directly from the class , it doesnt belong to any instance
Physics2D.Raycast
instead of

Physics2D physics2Dclass = new Physics2D()
physics2Dclass.Raycast(etc..```

[sand snow]

wait bruh i just realised, i need the ray to be casted in the direction im walking, so dont i need to make a code to recognize which direction im facing too?

[rich adder]

depends , if you did it correct, ideally your transform.right would always be forward

[cosmic dagger]

a static method can be called from any class. it does not need an instance of that type . . .

[verbal dome]

Yes, often in platformers (is this one?) you store that in a bool like isFacingLeft

[steep rose]

also you would make the raycast yourself and fill in what you need from what it asks

[sand snow]

yes I am trying to make a platformer

[rich adder]

my platformers always have transform.right as forward

but yeah a bool can work to track

[steep rose]

it really depends on how you made it facing in the first place

[sand snow]

i think I will make a bool

is one of the options better then the other?

[rich adder]

no

[steep rose]

both are good

[rich adder]

as long as things work, there is never "better than other" (aside from writing code smells ofc lol)

whats good is that it works.

everything else is preference

[tender stag]

using UnityEngine;
using UnityEditor;

[CustomEditor(typeof(Interactable))]
public class InteractableEditor : Editor
{
    public override void OnInspectorGUI()
    {
        Interactable interactable = (Interactable)target;

        DrawDefaultInspector();

        if(interactable.useSingleInteraction)
        {
            interactable.useOpenInteraction = false;
        }

        if(interactable.useOpenInteraction)
        {
            interactable.useSingleInteraction = false;
        }
    }
}```

why isnt this letting me set the bottom bool?

[verbal dome]

#↕️┃editor-extensions

[sand snow]

why does transform not work here

RaycastHit2D hit = Physics2D.Raycast(tranform.position, Vector2.down);

[cosmic quail]

because you typed it wrong. have you configured your ide

[sand snow]

yes

[tulip nimbus]

Is there a way to access my prefabs when they are not in Hierarchy? I want the changes to apply to all future prefabs

nvm found it

[rich adder]

you can yes

[sand snow]

it says the name transform does not exist in this context

[tulip nimbus]

I went to "Open" thats right, right?

[rich adder]

prob not

we told them already

[cosmic quail]

my message is blocked by this server apparently

[rich adder]

Openn ?

[rich adder]

idk the regex is weird sometimes the detection stinks lol

[polar acorn]

What is a tranform

[sand snow]

oh whoops i spelled tranform not transform

[tulip nimbus]

I clicked on "Open" in the Inspector in the Top Right corner and i could edit the thing. Is there a better way?

[rich adder]

thats the way to do it yes

[sand snow]

i misspelled and forgot the s

[rich adder]

please configure your ide, it would easily avoid this

[polar acorn]

Yes, so you should look closely at stuff underlined in red

[sand snow]

i have it configured

i didnt realise the typo because when i hovered over the red i was trying to read what it said and when it said it doesnt exist in this context, i thought i was using transform incorrectly, i didnt know that i had misspelled it. now i know i guess

[rich adder]

normally you type tran it already shows transform lol

[cosmic quail]

it used to, until unity 2022 where it forces it into TransferFunction or something

[sand snow]

yes it does, im just trying to get in the habit of actually typing it so i can learn it, im only 3 days into learning unity so far, so all of this is very new to me

[rich adder]

ahhh shitee lol some new stuff ?

gotta check again lol

[cosmic quail]

yeah this thing apparently https://docs.unity3d.com/ScriptReference/TransferFunction.html no idea what this even is

[rich adder]

ok just making sure lol cause configured IDE is needed here for help

[sand snow]

yes i am 10000% it is configured, sorry for the confusion

so with all that out the way, this code should theoretically shoot a ray towards the ground wherever my postion is right?

RaycastHit2D hit = Physics2D.Raycast(transform.position, Vector2.down);

[rich adder]

yes but you probably want to start using layers etc and actually use the raycast hit

[sand snow]

so now i can make an if statement using the "hit" right?

[verbal dome]

Ahh yes, the electro-optical transfer function

[rich adder]

RaycastHit2D iirc returns null if not hit for 2D

but yeah still use layers, its one of the params

[languid spire]

no, it's a struct

[sand snow]

whats iirc

[rich adder]

if i recall correct

[rich adder]

oh does it not have implicit cast or something?

[languid spire]

nope

[slender nymph]

it has an implicit cast to bool, it doesn't return null. hit.collider would be null and that null check is what the implicit cast to bool does

[verbal dome]

2D raycast hit has implicit bool cast

[sand snow]

also whats null

[rich adder]

ahh okay I remembered something like that but was fuzzy

[sand snow]

null means nothing?

[swift elbow]

yeah

[rich adder]

correct

[swift elbow]

no reference or doesnt exist

[polar acorn]

‎

[sand snow]

i forgot to mention, i put this code into void start, right?

[polar acorn]

Do you want it to run once when the object is created?

[sand snow]

well doesnt that line of code just make it so i can refer to it as "hit"? if so than yes i think so

[swift elbow]

note that start runs one time, im not sure what your context is but maybe put it in update if you need it more than once

[night valve]

Normally you'd want to dynamically cast these rays multiple times during gameplay

[rich adder]

yes for a ground check you don't want to do it just once 😛

[sand snow]

i know how the voids work, my problem is that i dont know if i need it once or constantly

[polar acorn]

i know how the voids work
Self-defeating sentence

[sand snow]

i just need someone to clarify to me that that code just makes it so i can refer to it as "hit" or if it doesnt

[night valve]

Well, you could need a onetime check if you wanted for eg to snap object to the ground once it's created

[rich adder]

eg
isGrounded = Physics2D.Raycast(transform.position, Vector2.down);

but this now will Detect Anything including the player or maybe triggers which you might not want for solid grounding, so we use layers params

[sand snow]

so then thats when layers come into play?

[polar acorn]

It will cast the ray and store the result in the hit variable.

[sand snow]

ohhh okay so it needs to be in Update

[polar acorn]

You can freely use that result whenever you want to know what the result of that hit was

[rich adder]

layers is just an extra filter basically to filter specific colliders fomr ever being calculated

[sand snow]

so its constantly checking if i am on the ground or not right?

[polar acorn]

So putting it in start would mean you could very easily know if the object started on the ground

[rich adder]

ideally in update yes

[polar acorn]

but that's not particularly useful information

[steep rose]

you would put it in update

[sand snow]

so this ground check now works?

 RaycastHit2D hit = Physics2D.Raycast(transform.position, Vector2.down);

 if(hit.collider != null)
 {
     isGrounded = true;
 }
 else
 {
     isGrounded = false;
 }

[night valve]

Debug.Log is the tool to check this

[cosmic quail]

cant you do " if (hit) "

[steep rose]

you could just do if(Physics2D.Raycast(transform.position, Vector2.down){Isgrounded = true;}

[rich adder]

yes

[steep rose]

or just do isgrounded = Physics2D.Raycast(transform.position, Vector2.down);

[rich adder]

also like above i sent
isGrounded = Physics2D.Raycast(transform.position, Vector2.down);

[steep rose]

also you would want a float for the distance variable in the raycast so you can change it

so its not inf

and a layermask as well

[sand snow]

this is the same as "if(hit)" correct?

[rich adder]

only in this specific cause because unity does an implicit cast

[steep rose]

yes

[cosmic quail]

dont need a layermask here though, depends on what his game is like i guess

[rich adder]

hit in general is useful if you want spefic information like how tilted is the collider you hit, or maybe if it has other info you need

[sand snow]

and if i named hit something different like, potato, then i would use "if(potato)" right?

[steep rose]

if you want the raycast to not hit specific items, then use a layermask

which is the norm

[rich adder]

yes the name is irrelevant

[sand snow]

so I set the ground and player to the same layer and everything else goes to a different layer?

[steep rose]

you wouldnt set the player to "ground"

all the layermask does it only hit "ground"

if you set player to "ground" you will always be grounded, which im guessing is not preferred

[sand snow]

oh okay thank you

jeez this is all so complicated, literally just to get some movement in my game

[steep rose]

you will get used to it

[rich adder]

movement esp a platformer isn't exactly novice topic

took me months to wrap my head around movement, let alone raycasts

[cosmic quail]

if you make a ground layer, you'd need to do the hard work of manually assigning every ground object in your scene to the ground layer, dont you?

[steep rose]

thats not hard

like at all

[rich adder]

usually I just keep it on Default and specific things are in other layers

[steep rose]

just select all of your gameobjects you want and select the ground layer

[swift elbow]

assuming you keep everything organized in the hierarchy, just select the parent that contains all of your ground objects and do it all at once

[cosmic quail]

doesn't that also select your non-ground things though? like enemies and stuff

[steep rose]

select all the objects you want for the layermask

so no

[cosmic quail]

thats pretty tedious tho

[steep rose]

what

not really

[sand snow]

also I dont know why but in unity, in my console its saying that "the feild 'PlayerMovement.isGrounded' is assigned but its value is never used" but it is being used because i debuged if my player was touching the ground and it says im touching the ground, which would be impossible if isGrounded wasnt being used, unless I am wrong

[cosmic quail]

wait until your scene contains tens of thousands of objects 😄

[verbal dome]

What's the alternative?

[slender nymph]

show the full code

[sand snow]

is it because my bool is private, and not serialized?

[steep rose]

you would most likely copy and paste most of them

so no

[rich adder]

show code

[slender nymph]

that is irrelevant to the warning. show the code.

[sand snow]

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerMovement : MonoBehaviour
{
    public float speed;
    public float jumpForce;

    private bool isGrounded;

    private bool facingRight;
    [SerializeField] private float rayDistance;

    Rigidbody2D rb;

    void Start()
    {
        rb = GetComponent<Rigidbody2D>();

        RaycastHit2D hit = Physics2D.Raycast(transform.position, Vector2.down);
    }
    void FixedUpdate()
    {
        rb.velocity = new Vector2(Input.GetAxis("Horizontal") * speed, rb.velocity.y);
    }

     void Update()
    {
        if (Input.GetKeyDown(KeyCode.Space))
        {
            rb.AddForce(new Vector2(rb.velocity.x, jumpForce), ForceMode2D.Impulse);
        }

        RaycastHit2D hit = Physics2D.Raycast(transform.position, Vector2.down, rayDistance);

        if(hit)
        {
            isGrounded = true;
            
        }
        else
        {
            isGrounded = false;
        }


    }

[rich adder]

oh my..

[steep rose]

and as Ash stated you could just put them all under a parent and literally assign the parent "ground" as well a children, and it will make all children the "ground" layer

[slender nymph]

and where exactly are you using the value?

[steep rose]

so no its not hard

[rich adder]

what is that local raycast inside the Start doing

[cosmic quail]

just raycast on all layers and then exclude specific layers you dont wanna hit with it

[sand snow]

if(hit)
{
isGrounded = true;
}

is that not using it??

[slender nymph]

that is assignment, not actually using it

you know, like the warning said. you are assigning it but never using it

[sand snow]

well how do i use it then?

[polar acorn]

How do you want to use it

[sand snow]

i thought it was using it?

[rich adder]

if (Input.GetKeyDown(KeyCode.Space) && isGrounded)
🥄

[polar acorn]

Where?

[slender nymph]

using it for what

[polar acorn]

Where does your code do anything different based on whether isGrounded is true or false

[sand snow]

ohhhh

[verbal dome]

Yeah. I usually have a separate ground/map/scenery layer but I also include the default layer in case I forgot to assign the scenery layer to something

[sand snow]

wait i think i solved it

{
    if (Input.GetKeyDown(KeyCode.Space)&& isGrounded)
    {
        rb.AddForce(new Vector2(rb.velocity.x, jumpForce), ForceMode2D.Impulse);
    }

    RaycastHit2D hit = Physics2D.Raycast(transform.position, Vector2.down, rayDistance);

    if(hit)
    {
        isGrounded = true;
        
    }
    else
    {
        isGrounded = false;
    }

[steep rose]

its up to preference because most likely is you have 10,000 objects they would be under a parent anyway
#💻┃code-beginner message

[steep rose]

you dont even need those if statements for the grounded boolean just do
isGrounded = Physics2D.Raycast(transform.position, Vector2.down, rayDistance);

[polar acorn]

For a 2D raycast you'd need to cast to boolean because it isn't actually a bool, it just casts to one

[slender nymph]

nah, it does have an implicit cast

[sand snow]

can i just write isGrounded = hit

[polar acorn]

Many why is 2D so goddamn weird

[slender nymph]

why

[steep rose]

so you can do isGrounded = Physics2D.Raycast(transform.position, Vector2.down, rayDistance); in 2D?

[slender nymph]

yes https://github.com/Unity-Technologies/UnityCsReference/blob/a9c165247c85c90cfd8a243c2dabf0820ee0784d/Modules/Physics2D/ScriptBindings/Physics2D.bindings.cs#L3236

[steep rose]

neato burrito

[frosty hound]

@sand snow Can you make a thread please so you don't occupy this channel.

[sand snow]

how do I make a thread I am sorry

LMAO

[slender nymph]

i'm pretty sure they did that to sort of be on par with a 3d raycast which returns a bool. Why they didn't just make the method return a bool with an output parameter like Physics.Raycast is beyond me though 🤷‍♂️

i suspect they likely made the change well after they actually implemented these systems though so it was probably just to avoid breaking changes

[vagrant fjord]

why can i see through walls when i get really closer

[rich adder]

probably camera clipping plane

[vagrant fjord]

fix?

[rich adder]

make near clip smaller

or make sure ur collider big enough for cam

[vagrant fjord]

ill look into it thx

[steep rose]

you can press F to focus on it as well

it should fix it a bit

[vagrant fjord]

cool

also when my player walks into a wall it also sees through, fix?

[steep rose]

thats the camera clipping plane like nav said

[vagrant fjord]

so just make all the colliders bigger?

[steep rose]

thats not what i said

change the clipping plane

on your camera

[vagrant fjord]

colliders worked for me but thanks 👍

[steep rose]

okay ig

[formal sable]

It's working! Thank you very much!

[tender stag]

hits = Physics.RaycastAll(ray, defaultInteractionDistance, defaultObstructionMask, QueryTriggerInteraction.Collide);

instead of defaultObstructionMask what was that thing for every layer

something like -~

i'll just use Physics.AllLayers

[earnest iron]

Hello

I'm having difficulties making an inventory system in Unity

Can someone tell me how to make one?

[verbal dome]

Defaultraycastlayers?

[deft grail]

what difficulties

show your code and the difficulty

[earnest iron]

Don't know how to make inventory

[cosmic quail]

have u checked out tutorials on youtube

[earnest iron]

My team made a pickup and drop system, but we have no idea how to make an inventory system

No

No

I didn't

[tender stag]

it was -1

that was all layers

[slender nymph]

it's still better to use Physics.AllLayers as that is much more readable

[tender stag]

i guess i'll see you here for another few months then

[tender stag]

yeah i know

i didnt know that existed

i thought i was only the -1

[slender nymph]

~0 would work too as that is also equivalent to -1

[languid spire]

A basic Inventory is only a List of Items which you add and remove to/from

[earnest iron]

Yes

Is there a cyber role?

[marble hemlock]

https://hastebin.com/share/oviwabulig.csharp

what could I replace MonoBehaviour with?

[slender nymph]

for those curious, the reason this is all layers is because it is all 32 bits flipped to 1. 0 would be all bits at 0 which is no layers, and since negative numbers are stored as twos complement, -1 is the sign bit at 1 and all of the other bits also at 1

[marble hemlock]

i kind of want to just be able to slot in a script
any script

[tender stag]

the actual class

of the script

[marble hemlock]

but what if i want to use several different scripts

[slender nymph]

then it needs to either be a shared base class or interface

MonoBehaviour would be too broad because all of your components inherit from that, so you'd want to create either another class that all of the possible items inherit from, or some interface that they all implement

[marble hemlock]

i think i understand
thank you

got it up and running

[tender stag]

how do i compare object layer to a layermask

[slender nymph]

https://unity.huh.how/bitmasks#contains-a-layer-contains-any

[tender stag]

so like that

what if my layermask has multiple layers

[slender nymph]

that is how you do it

[tender stag]

how does Physics.RaycastAll store the hits

apperantly its in order from the closest to furthest

so hits[0] would be the closest object right?

[languid spire]

no, the order is random

[polar acorn]

https://docs.unity3d.com/ScriptReference/Physics.RaycastAll.html

[tender stag]

right

well shit then

[slender nymph]

Just sort the array yourself. or if you just need to find the closest, a simple for loop and a single variable with the index of the closest one found is all you need

[tender stag]

Array.Sort(hits, (a, b) => a.distance.CompareTo(b.distance));```

is that fine?

[slender nymph]

i mean, it really depends on what this is going to be used for. do you need it to actually be sorted? and do you need a new array every time you call this or could you use the nonallocating version

[tender stag]

i need it to be sorted

cause i need to get all the hit gameobjects before a specific one

and i can only do that by distance

[polar acorn]

So it seems like what you need is the closest result, not a sorted array

[slender nymph]

wdym by "before a specific one" is this "specific one" known before the raycast? because if so, just cast between those objects and you don't need to sort at all

[tender stag]

im making an interaction system where each objech has its own obstruction mask

and its own interaction distance

so first im doing a raycastall to get all the results

and the distance is 5

even tho the defaultInteractionDistance is 2

because some object might have an interaction distance of like 3.5
which would be bigger than the defaultInteractionDistance

[rancid tinsel]

is there an opposite of OnMouseOver()?

or a way to flip it?

[tender stag]

then im gonna have to loop through all the hits

and find the closest interactable object from the player

and check all the hits before that interactable object

if their layer is inside the currentInteractable.customObstructionMask

and then do the distance calculations

but thats the easy part

[verbal dome]

OnMouseExit

[rancid tinsel]

that is not the opposite

[tender stag]

it is

[rancid tinsel]

no

its an opposite to onmouseenter

[tender stag]

u trying to detect when mouse is not over?

[rancid tinsel]

yes

[slender nymph]

so just flip a bool in onmouseenter/exit

[verbal dome]

So you want to call something every frame you are not hovering?

[rancid tinsel]

now that you mention it

i should reconsider

ill prob just use a bool and then mouseenter and mouseexit

[rancid tinsel]

what boxfriend said

how do you make these public? i thought it was just public before void but that throws an error

[slender nymph]

what is the error

[rancid tinsel]

oh wait sorry not that

this

[slender nymph]

those methods are nested inside of another method

[rancid tinsel]

OH

i put them all in update...

thank you

[delicate zinc]

these scripts are meant to work together to let me pick up and drop items, but whenever i try picking up any item that isnt the latest one created with the script attached it doesnt let me drop it
its rly weird cos the debug.log that ive dropped it shows up in the console, but nothing else happens and it stays parented and kinematic
https://hastebin.com/share/uxuzutemer.csharp

sorrry for reposting it but i genuinely have no idea how to fix it ive tried everything

[prime cobalt]

Idk if this would be a code thing but I assume it would be. Is there a way for a render texture/camera to only show things inside of a collider? Like if there's a sphere collider it hides everything outside of that sphere. And if a part of the sphere is hidden its hidden from the camera/texture as well.

[wintry quarry]

Most of this code really belongs on the interactor, not the interactable

[delicate zinc]

but what if i wanna interact with something that isnt an item

[wintry quarry]

But basically, all those Updates are running at the same time

[wintry quarry]

Make an Interactable script

That just fires an event or something

It doesn't matter what the actual thing is

[delicate zinc]

OHHH THATTSS WHAT I WAS DOING WRONG

TYYY

[mighty compass]

    private void MovePlayer(){
        Vector3 movement = Vector3.zero;

        // Calculate movement based on input keys.
        if (Input.GetKey(forwardKey)){
            movement += cameraObject.transform.forward * moveSpeed;
        }
        if (Input.GetKey(leftKey)){
            movement += -cameraObject.transform.right * moveSpeed;
        }
        if (Input.GetKey(backwardKey)){
            movement += -cameraObject.transform.forward * moveSpeed;
        }
        if (Input.GetKey(rightKey)){
            movement += cameraObject.transform.right * moveSpeed;
        }

        // Set the Rigidbody's velocity for snappy movement.
        rb.velocity = new Vector3(movement.x, rb.velocity.y, movement.z);
    }```

So I am making a player rb follow the player, problem is, movement is always towards where the camera is pointing, how do reset the z rotation on this reference to the camera object here, so it moves where the camera would be pointing at 0 z-rotation

the rb doesn't rotate with the camera, so I can't use it's transform as a reference

[verbal dome]

Not sure I understand, do you want to rotate the movement horizontally only?

[mighty compass]

this is just plain old wasd movement

[verbal dome]

Oh didnt see you posted code somehow

[mighty compass]

the issue is, it adds velocity relative to camera position, so if the camera is looking up, w loses all velocity

[verbal dome]

Before you use tha camera's forward, set its Y to zero

Then normalize it to make sure it is 1 length

[mighty compass]

kk, how would the y affect it in this situation? I would have thought the rotation on the z axis (when the camera looks up) would be the culprit

[verbal dome]

Z axis is normally the "twist" or "roll" axis, I doubt it is relevant here

Maybe you mean X axis rotation

Which is normally up/down

[mighty compass]

yes , sorry

x axis lol

how do i reset its y value without actually changing the gameobjects y value

can I hold a vector3 reference and then do it

[verbal dome]

Make a new vector3 from it

[mighty compass]

kk

[verbal dome]

Yeah, or well it's not exactly a reference but a copy, since Vector3 is a value type and not a reference type

Make sure to normalize it after removing the Y though

[mighty compass]

what is a value type haha

is it an instance?

[verbal dome]

https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/builtin-types/value-types

Value types are always passed as a copy

[mighty compass]

ah c# things I guess lol

[verbal dome]

Pretty important stuff that you should learn

To avoid all sorts of headaches

[mighty compass]

weirdddddd, I haven't seen value types in java or any web languages

just a c# thing I guess

Or it's called something different in those languages

[verbal dome]

Broadly speaking:
-classes (MonoBehaviour, custom classes etc.) are reference types
-structs (Vector3, Quaternion, etc.) and primitive types (int, float) are value types

Seems to be similiar in java

[mighty compass]

what is a struct xD

[polar acorn]

Things defined with struct instead of class

[mighty compass]

kk, i have some c# learning to do

I never heard the term value type in my java classes

[marble hemlock]

before i start on a scale from 1-10 how difficult is it to code enemy movement, with them following the player?

just following the player, to start with

[mighty compass]

there's types, idk what value type is

[verbal dome]

Pretty straightforward with NavMeshAgents, assuming it's a 3D game

[mighty compass]

there was instances of objects, references to them etc

[verbal dome]

And assuming that you have obstacles and need pathfinding

[polar acorn]

In Java, if you did:

int x = 13;
int y = x;
x = 7;
System.out.println(y);

What would you expect to see?

[mighty compass]

13

[marble hemlock]

your casual tone makes me feel more confident to start on this bit
thank you

[polar acorn]

So, you are familiar with value types.

[mighty compass]

okay so they're jsut called something else xD

primitive types are value types?

[polar acorn]

Nope, still called value types

[mighty compass]

what! xD

[polar acorn]

Primitive types are value types, but they're not synonymous. Like how all squares are rectangles

[mighty compass]

wrinkling my brain

I remember writing BigInteger classes, making abstract types lol

so value types is just another name for primitive types

Looks like they are

    private void MovePlayer(){
        Vector3 movement = Vector3.zero;
        Vector3 camera = cameraObject.transform.position;
        camera.y = 0;

        // Calculate movement based on input keys.
        if (Input.GetKey(forwardKey)){
            movement += camera.forward * moveSpeed;
        }
        if (Input.GetKey(leftKey)){
            movement += -camera.right * moveSpeed;
        }
        if (Input.GetKey(backwardKey)){
            movement += -camera.forward * moveSpeed;
        }
        if (Input.GetKey(rightKey)){
            movement += camera.right * moveSpeed;
        }

        // Set the Rigidbody's velocity for snappy movement.
        r```

How do i qualify camera with a type name?

[polar acorn]

What do you mean? The type is Vector3

[mighty compass]

error CS0176: Member 'Vector3.right' cannot be accessed with an instance reference; qualify it with a type name instead

[polar acorn]

Because Vector3.right is static

It's a constant with a value of 1, 0, 0

[mighty compass]

ah

thankyou

[livid nova]

I'm trying to expand on the A*pathfinding system, and I'm currently trying to get the AI to do 2 things. Only follow the player when within the grid, and I want the AI to return to it's start position when the player exits range. Any help or suggestions would be appreciated.

[verbal dome]

Is it your custom A*?

These problems don't seem really related to the pathfinding itself though

Just a couple of if-statements

Or events

[mighty compass]

    private void MovePlayer(){
        Vector3 movement = Vector3.zero;
        Vector3 camForward = cameraObject.transform.forward;
        Vector3 camRight = cameraObject.transform.right;
        camForward.y = 0;
        camRight.y = 0;

        // Calculate movement based on input keys.
        if (Input.GetKey(forwardKey)){
            movement += camForward.normalized * moveSpeed;
        }
        if (Input.GetKey(leftKey)){
            movement += -camRight.normalized * moveSpeed;
        }
        if (Input.GetKey(backwardKey)){
            movement += -camForward.normalized * moveSpeed;
        }
        if (Input.GetKey(rightKey)){
            movement += camRight.normalized * moveSpeed;
        }

        // Set the Rigidbody's velocity for snappy movement.
        rb.velocity = new Vector3(movement.x, rb.velocity.y, movement.z);
    }``` Okay it works great until the camera points at exactly 90 degrees, then all movement stops

should I just give each vector a minimum value it can be when pressing a certain key

[stiff fjord]

what was the command to check i had visual studio code and unity setupo proper;ly?

[rich adder]

there is no command specific, you have to check if underlines errors / shows all your unity components/classes

[stiff fjord]

i mean the one in the discord

that shows the guide

[rich adder]

!vscode

[eternal falcon]

Visual Studio Code guide

If your IDE is not underlining errors in red or autocompleting code,
please configure it using the link below:

https://on.unity.com/vscode

[rich adder]

just click the link

dont need to call the command

[stiff fjord]

just wandernhg what this command is

ty

[tender stag]

if((currentInteractable.customObstructionMask & (1 << currentHitTransforms[i].gameObject.layer)) != 0)
{

}
// This objects layer is not in the accepted layers of the interactable
else
{
    isBlocked = true;
    break;
}```

how do i reverse the first statement

cause i dont need it to be true

do i just wrap it in extra brackets and slap a !?

would that work

[polar acorn]

Well, give it the ol' logic brain: Right now, you're checking if X AND Y. Meaning any time both X and Y are true, the condition is true. What is a condition could write such that it returns true in the other three cases?

X | Y | Result
T   T   T
T   F   F
F   T   F
F   F   F

What logical combination of X with Y would result in

X | Y | Result
T   T   F
T   F   T
F   T   T
F   F   T

[tender stag]

i dont understand what ur asking me

[polar acorn]

I'm trying to explain how you'd use boolean logic to reason this out yourself, instead of just being told the answer

[tender stag]

well yeah but what i wrote works

[polar acorn]

The first truth table is what you've current got. The second is what you (presumably) want

[tender stag]

this

[rancid tinsel]

how would i go about getting the x and z position of the mouse in the 3D world?

[polar acorn]

Sure, NAND (Not-and) is one valid solution

You could also do !X OR !Y

[tender stag]

thats what i did

oh use the or

im comparing two different things tho

so i cant

wait i can

but thats gonna be a long ass line

and the code is going to have to compare both

[polar acorn]

If you're checking two different things, then you're not asking for the inverse of a condition, you're asking for two conditions

[tender stag]

this is in a loop already

[polar acorn]

the value of Z has no bearing on the result of X AND Y

[ruby python]

I have a reeeeeally stupid question that I can't seem to get my head around.

I have an array of floats and I need to increment the value of a float based on it's index.

    public void UpdateOreCount(int indexID, float oreAmount)
    {

        ores[indexID] = ores[indexID] + oreAmount;
        oreAmountText[indexID].text = oreAmount.ToString();
    }

This is my function, first time it runs, it adds the oreAmount value and updates, but subsequent values don't get added.

What am I doing wrong? (And yes, I completely believe that I'm being a complete spanner. lol.)

[polar acorn]

You're setting the text to oreAmount. you probably want to set it to ores[indexID]

So, you're setting the text at that ID to the amount you added, not the new total

[ruby python]

Oh bloody hell. lol. Thank you. Told ya I was being a spanner. 🙂

[rancid tinsel]

any idea what im doing wrong from lines 55 to 70? i want to convert mouse position into its real world position but instead of going where i click, the units go elsewhere https://gdl.space/epulezusoc.cs

[mighty compass]

Can someone help me with this

    private void MovePlayer(){
        Vector3 movement = Vector3.zero;
        Vector3 camForward = cameraObject.transform.forward;
        Vector3 camRight = cameraObject.transform.right;
        camForward.y = 0;
        camRight.y = 0;

        // Calculate movement based on input keys.
        if (Input.GetKey(forwardKey)){
            movement += camForward.normalized * moveSpeed;
        }
        if (Input.GetKey(leftKey)){
            movement += -camRight.normalized * moveSpeed;
        }
        if (Input.GetKey(backwardKey)){
            movement += -camForward.normalized * moveSpeed;
        }
        if (Input.GetKey(rightKey)){
            movement += camRight.normalized * moveSpeed;
        }

        // Set the Rigidbody's velocity for snappy movement.
        rb.velocity = new Vector3(movement.x, rb.velocity.y, movement.z);
    }``` Still trying out how to make the movement based off the camera as if it's x-rotation was 0

because when the player looks directly 90 degrees at the ground or sky, there's no movement, because forwards is straight down or up

[thorny fern]

is there a way to override GameObject ToString() method? I want it to show something else other than name. as an extension method or something?

[rocky canyon]

.name is a string

[ruby python]

What are you using to give the mouse a 'hitpoint' in the 3d world? You would usually use a plane.

[rancid tinsel]

im using a cube for the ground

i think ive spotted the issue though

the y and z values seem to be flipped

swapped* i mean

[rocky canyon]

i dont see why u couldn't use an extension method

gameObject.ToYourCustomString();

[steep rose]

instead of moving via camera transform i would use a "orientation" object which would rotate with your player left and right but not up and down

AKA make it a child of your player

not camera

[mighty compass]

That's what I was thinking, but I just didn't want to add a ton of random objects in the scene following the camedra

camera

But I guess I could convert that object to the player model eventually

[steep rose]

it would be a a child of your player which should rotate when you rotate your camera

[thorny fern]

sry. i shouldn't have mentioned extension methods -> I led you in the wrong direction. I'm using a generic class which i'm instantiating with GameObject type at runtime. for debug purposes i need to Debug.Log stuff. but in code I don't know yet that the class will use GameObject as type. hence i wanted to override GameObject.ToString()

[mighty compass]

Yeah I understand, thankyou. I wil ldo that then

[rocky canyon]

oh, thats a bit more complex than i was thinking yes.. lol

ya, not sure im savvy enough to know bout that

imo using abstract classes and overrides and stuff are code-general ++ but i could be just a newb 🤣

[thorny fern]

yeah. stack overflow sugested that i subclass GameObject, use that and override my ToString

[rocky canyon]

aye, that sounds solid

[thorny fern]

well, i consider myself begginer cuz i started tinkering with Unity 2 weeks ago

[rocky canyon]

well ur the odd crowd. lol

[verbal dome]

Wdym by "instantiating with GameObject type"? Is GameObject the generic type here?

[thorny fern]

yeah

[verbal dome]

Like YourClass<GameObject>

[thorny fern]

yep

[rocky canyon]

osmal entering the ring 💪

[mighty compass]

Thanks, that was extremely easy, and made my code much simpler lol

[buoyant cove]

@rocky canyon Hey! I have a business inquiry. What’s your email?

[verbal dome]

Can you show a code example of what you roughly would like to do?

[steep rose]

yeah np my dude

[verbal dome]

Unless you already found the answer

[rocky canyon]

[e-mail]

[buoyant cove]

Thank you!

[verbal dome]

You mean like making a concrete class: class TheClass : GenericClass<GameObject>?

[mighty compass]

I kinda wanna make a bunker building game where you have to try and reinforce a base as like a welder dude, and zombies try to destroy it

what yall think lol

[steep rose]

sounds neat if implemented well

[mighty compass]

and then move it towards a rust sortof game once I have ai mechanics down

[steep rose]

but not code related best go to #archived-game-design

[mighty compass]

kk

[thorny fern]

pretty much i found the answer. but the code looks like this now:

class Algos<T>{
  genericFunctionAlgorithm(...){
    List<T> myArray;
    //do stuff
    Debug.Log(myArray.ToString());
  }
}
____________________
some script with class:MonoBehaviour
...
void Start(){
  Algos<GameObject>.genericFunctionAlgorithm();
}

the answer I think i found tells me this:

class MyGameObject : GameObject{
  GameObject myObject;
  public override string ToString(){
    return myObject.transform.position.x.ToString();
  }
}
____________________
some script with class:MonoBehaviour
...
void Update(){
  Algos<MyGameObject>.genericFunctionAlgorithm();
}

[verbal dome]

Please link me to the answer because you cant inherit from GameObject, that class is sealed

[thorny fern]

well i didnt try that yet. the stackOverflow answer didnt mention sealed classes as it wasnt about Unity GameObject specific question. guess i'm stuck. or find another way to debug

[verbal dome]

Do you want to debug.log each item in the list?

[thorny fern]

yes

this is what i get for working with generics. i had to pretend i'm smarter, didnt i

[verbal dome]

In C#, every object has a ToString method so the generic type T is guaranteed to have that too
You can do this: cs foreach(T item in myArray) { Debug.Log(item.ToString()); }

Debug.Log(item) should work too

[thorny fern]

in my case it will print the GameObject's name. but i wanted something else out of the GameObject.

[verbal dome]

Okay, I think you'd need abstract/virtual and override methods then

Bit above beginner level but...cs // Base class protected abstract string GetInfo(T item); // Derived class protected override string GetInfo(GameObject item) { return // ... whatever info you want from the gameobject }

[verbal dome]

And then you'd call GetInfo(item) instead of item.ToString() here

[thorny fern]

yeah. makes sense. thx a lot

[verbal dome]

The abstract method could also be a default virtual implementation instead:cs protected virtual string GetInfo(T item) => item.ToString();

Np

[marble hemlock]

please tell me nav meshes arent as complicated as to actually need 54 videos explaining how they function

im seeing different videos of varying times
one at 8 minutes, one at 10, one at 40

[verbal dome]

That guy has decent videos, but 54 videos sounds like way, way too much

[marble hemlock]

54 videos is just too much 😭
at that point just write a book and i'd rather read that

[verbal dome]

Here's an alternative https://learn.unity.com/tutorial/unity-navmesh

[marble hemlock]

thank you 🙏
i thought looking nav meshes unity on youtube would just show me the unity account but

nope

oh wait this is actually really cool

[deft lynx]

so idk if my issue is with the navmesh but the slime enemy in my game isn't moving but still tracks the player an plays the animation accordingly. Been trying to fix this since yesterday but to no avail, can someone please let me know the problem. I'll past the enemy inspector and the code below so you guys can check it out

[mighty compass]

has anyone done any voxel like projects in unity?

[rich adder]

probably

[verbal dome]

7 days to die comes to mind

[rocky canyon]

yes

[earnest wind]

Did i do some mistake?

i == itemIndex2 will be true

oh my bad my bad it should have been MainItems[i]

i really dont know how this worked all this time

[polar acorn]

It works fine when you're activating the object. Not so much when you're trying to disable it

[queen adder]

Is it possible to instantiate something from one scene to another?

[rich adder]

iirc you can only spawn inside an active scene

so you can technically do it if you do some additive stuff

[queen adder]

I have multiple active scenes I wanna spawn some stuff from the player/manager scene to another one is that able to be done

[rich adder]

do you have a reference in the other scene of a gameobject/transform via singleton? You can just spawn it as child without dealing with active scene limitation

[queen adder]

Not via singleton is that how I should do it

[rich adder]

I'm just making you aware of what the options I know are, how you do it is your choice ofc

having a singleton ofc is much easier than messing with additive and changing active scene to spawn something

you need a way to get the reference though hence easy singletons (cross-scene references)

[teal viper]

By active scene they mean the first scene loaded normally. Everything else loaded additively is just gonna be added to the first scene iirc.

[queen adder]

Im not extreamly experienced I dont know if you remember helping me in the past but you have so learning new ways to do things helps tremendously. I dont know much ways to do things. I think the way I get references is a little jank not sure but it works. Singleton is 100% the right way to do it makes sense now

[rich adder]

on note of what dlich said you would need this to switch active scenes if doing additive
https://docs.unity3d.com/ScriptReference/SceneManagement.SceneManager.SetActiveScene.html

[rich adder]

singleton will be the easiest probably , but first evaluate why you need to do this in the first place

usually when I have to jank or do something kind of against the normal workflow, something in the design might be wrong

[queen adder]

I have 2 scenes at the start main menu and player/managers then I have level 1 spawn then I want things from players/managers scene to instantiate things in the level 1 scene.

[queen adder]

I am talking about the way I refrence other scripts 90% if the time I dont think its right but it does the job

[rich adder]

well yeah you don't want to overuse singletons, keep it for only specific manager

[teal viper]

How are you loading the 2 scenes?

[queen adder]

Awake

[queen adder]

so one per manager?

[rich adder]

not necessarily no

you dont want every script to talk to every separate message IMO thats bad pattern

you should only communicate to 1 manager that talks to its own managers it manages

[queen adder]

this is how Im refrencing things normally

 private WaveManager wavemanager;
 void Start()
 {
     WaveManagerGO = GameObject.FindGameObjectWithTag("WaveManager");
     wavemanager = WaveManagerGO.GetComponent<WaveManager>();
 }```

[teal viper]

Awake doesn't load scenes.

[queen adder]

Okay good thats what I thought just one for the big manager object

[queen adder]

I meant in awake this is the code

 {
     SceneManager.LoadSceneAsync("Player.Manager", LoadSceneMode.Additive);
 }```

[rich adder]

yes this is the pattern I'm talking about. Worth a read or bookmark this site, very useful to learn
https://refactoring.guru/design-patterns/mediator

[queen adder]

Will defently look into that

[wheat wadi]

Sorry, how to add more functionality to the Wiggler script so that the user can specify movement in all directions (not just the Y axis)

[rich adder]

make more variables?

[true oriole]

i download everything and still having an issue

[wheat wadi]

like this?

[mighty compass]

How can I get rid of this giant annoying blue block, and also make it, so my UI is always rendered, so it doesnt dissapear behind blocks

nvm i figured out the clipping part

[rich adder]

https://docs.unity3d.com/Manual/GizmosMenu.html

[mighty compass]

Thankyou good sir

Now how do I make the GUI not this large so I can edit it lol

ability to change it's transforms are locked in overlay mode

[rich adder]

Pixel space and World Space are two different things, you have click the 2D button option the select the canvas and press F to focus it

also canvas adapts to the screen resolution / size

[mighty compass]

WHAT

thats crazsy

Thankyou good sir, holy moly, I did not know about focusing elements xD

[rich adder]

yes, check out pins in #📲┃ui-ux there is info there how to anchor and do everything properly

[mighty compass]

That is so helpful

thanks

[queen adder]

could someone help look at my unity build profiler with me to figure out why its so laggy despite it running seamlessly within the editor?

[thorny basalt]

Are you running the profiler remotely?

[teal viper]

They are crossposting shamelessly and already have their issue solved in #archived-code-general

[thorny basalt]

🤦

[ashen frigate]

any good 3d hitbox tutorial u recommend ?

[umbral bough]

Hi, I am writing this simple movement script and keep running into a weird issue.
When I am on the ground, it's all good, however, if I am in the air(be it by jumping or simply dragging my player up), I am unable to move.
Direction is fine, acceleration being added to the _rb.linearVelocity in the Move() function is fine(logged both) and I am suspecting the ApplyGravity() function but I am honestly not even sure at this point.
Could somebody help me with this one because I am out of ideas.
https://gdl.space/yiyixanise.cs

[umbral bough]

depending on what you need, most likely unity docs

[ashen frigate]

im trying to do like a fighting game

[umbral bough]

look into colliders, box casts, overlap box etc.

each one serves a slightly different purpose

[ashen frigate]

what would be best for fighter game like smash

[umbral bough]

it depends.
if you need physics interactions etc. then collider components+rigidbody is the way to go.
if you are looking for a way to detect when say a bullet hit a player, then using BoxCast or OverlapBox on the bullet and collider on the player would be a decent choice.
read what they do on unity docs, they have great examples and explanations and pick what works for you.
https://docs.unity3d.com/ScriptReference/Collider.html
https://docs.unity3d.com/ScriptReference/Rigidbody.html
https://docs.unity3d.com/ScriptReference/Physics.Raycast.html
https://docs.unity3d.com/ScriptReference/Physics.BoxCast.html
https://docs.unity3d.com/ScriptReference/Physics.OverlapBox.html

you would usually combine these to achieve best results

[ashen frigate]

isee ty

[teal viper]

Does commenting out friction fixes it?

[umbral bough]

iirc no, but let me test that rq

I think it does, odd, I was positive I didn't take y axis into account when it comes to friction, thanks for pointing it out!

[paper mountain]

guys im new to unity where is the assets folder its normally next to the console but i cant find it

[umbral bough]

do you see this anywhere?

you might've closed the project tab

[paper mountain]

nope

i think i did

where is it

[mighty compass]

I just made a toggle buildmode, and primitive objects get created, im stoked

[umbral bough]

ctrl+5 or open it as shown in this pic

[paper mountain]

THANKKKKSSS

[mighty compass]

How would you guys think I should go about making a grid system for building in a game

[teal viper]

var newVel = vel.normalized * speed;

During the jump, the y component of velocity is presumably way bigger than the other ones, so normalizing it would cause the x and z components to be very tiny.

[umbral bough]

oh, I completely missed that one 🤦‍♂️, thanks!

[vale robin]

I just discovered IEnumerators as coroutines, and I wanted to try making a camera shake effect, but I can't make it work.
I am new to this, some help pls?

[umbral bough]

yeap, works flawlessly now

[vale robin]

It just doesn't execute the method when I call it, I am doing something wrong?

[umbral bough]

do you get any errors, such as NullRef?

[vale robin]

None

[umbral bough]

mind debug logging in the on collision enter?

[teal viper]

Check the documentation on how to start a coroutine

[umbral bough]

could be that but wouldn't it just execute as a regular function and at least throw a debug log?
I could be mistaken, haven't done that in a long time

[vale robin]

Like this?

[umbral bough]

sort of, you can pass in the actual coroutine:
StartCouroutine(cameraShk.Shake(10, 10));

[vale robin]

Yay, it works now. I missed that part of the documentation

Thanks

[umbral bough]

nice

[autumn beacon]

i made a script that generates a quad, and now want to make its surface a png, and am going crazy trying to figure out how to make google tell me the answer lol
any advice/links?

[ivory bobcat]

Show your implementation?

[autumn beacon]

did some more searching, found this solution online(?)

[ivory bobcat]

What component are you using to generate the quad? Show your implementation of the quad.

[autumn beacon]

• i created a default material titled "WallTile"

this seems to work good enough for now™️, i'll probably just roll with it

[thorny basalt]

Move the contains if statement to the top of the method

Atm it is making that check every loop iteration

[eternal needle]

considering that if statement relies on both variables declared in the foreachs im not even sure what you mean myself.

[thorny basalt]

Oh wait. I’m a dumbass 🫠

[eternal needle]

one quick thing i notice is that the Resources.Load is done everytime you want to create a wall. That can be done once in awake/start and be cached then reused here

Resources.Load isnt so cheap

[autumn beacon]

ah, makes sense. tyty

[ruby python]

Mornin all.

https://hastebin.com/share/sipefajosu.csharp

I have this script that is spawning objects into the world, checking position, if conditions are met places object on the terrain surface, if not, repositions and checks again.

I know it's pretty inefficient, but I can't really think of another way of doing it. The problem I'm having with this approach though is that I'm causing a stackoverflow because the amount of recursion involved.

Would anyone know of a way to prevent the stackoverflow, or a different method of placing the objects where I need them? 😕

[glacial sable]

What happens if you reach the max xyz coordinates of the scene?

[ruby python]

I never do, the objects are being spawned in 'chunks' (just one chunk at the moment)

[rocky canyon]

the farther you get from the origin the more the game spazzes out

[ruby python]

Single Chunk with visual representation.

[glacial sable]

Dedicated question 🙋

[ruby python]

Hmm ? Sorry, not sure what you mean?

[ruby python]

Oh sorry, were you just asking in general? Not related to my question?

Sorry, I think wires got crossed. (I've literally just woken up. lol.)

But yeah, anything above 10,000 units from center, floats get screwy

[steel stirrup]

could you go into a bit more detail about what the goal is

[ruby python]

I think I may have it figured out. But basically spawning a load of rock objects on the surface of a terrain. But doing it in 'chunks' (see image I posted).

[steel stirrup]

raycast is certainly the right way to go about it, but i dont really understand why you're moving the object before you know where you want it to go

If you're aiming for placing on the surface, why not just sample a bunch of random points from an arbitrary height, and then distribute your rocks among those points

[ruby python]

I've changed from raycast to SampleTerrainHeight for the moment. And yeah I'm reworking my code atm (I wrote it last night when I was very very tired. lol.

terrain.SampleHeight sorry.

[steel stirrup]

sounds good

[ruby python]

I've fixed the memory leak I was causing. I was recursing back and forth between two methods which was crapping it all out, so just reworking everything into a single method.

[upper thistle]

Can you pass through a parameter with a coroutine?

[languid spire]

into a coroutine, yes, out of a coroutine, no

[upper thistle]

I'm sure it's an obvious solution, just couldn't get it from the wiki/discussion posts

[languid spire]

coroutines are started not called.
see StartCoroutine

[upper thistle]

oh whoops

thanks

[languid spire]

also your signature is incorrect, the parameter needs a type

[ruby python]

You also need to define what type HitRenderer is.

Bad sign right? lol.

[indigo knot]

Yes

[atomic holly]

Hello
If it's possible to put the sprite a child in front of the parent sprite ?

[languid spire]

not always, depends on what you changed

[ruby python]

Just some order of execution in a for loop

[upper thistle]

Thank you, this helped

did not take into account type errors

[languid spire]

it would have been more obvious had you not used var

[upper thistle]

yea, a lot of posts bounce between different ways of doing stuff and I'm still new to types

reading about it though

[languid spire]

take my advice, never use var, always use the type correctly

[upper thistle]

makes sense

Is it cause the program has to guess?

[languid spire]

no, it's because you have to

[upper thistle]

oh like literally no choice

gotcha

[rich adder]

https://docs.unity3d.com/ScriptReference/Renderer-sortingOrder.html but do it on the component not script

[languid spire]

possible infinite loop then?

[ruby python]

I agree with this so much. The amount of tutorials/guides where people use var all the time. Just seems to me to be lazy coding.

[ruby python]

Would seem so, it crapped out my pc so hard that it killed everything I had running. lol.

[languid spire]

even as a very experienced C# programmer I never use var. For beginners it is just very, very bad practice because C# depends on the Type system and using var kinda negates the learning of that

[upper thistle]

Yeah, I'm trying to avoid videos since it spoonfeeds too much but a lot of posts do this as well

I've managed to make some cool stuff without any videos though, so I'm pretty happy

on a private learning project just to experience Raycasting and different ways of using it rn

[ruby python]

Yeah I still have a loooooooot to learn, but even when starting out with Unity I noticed the usage of var and it made no sense to me whatsoever. And in my head surely using it would add (albeit a small amount) of overhead as it would need to figure out what the var actually is?

[languid spire]

did you get a stack overflow?

[upper thistle]

Is there a good practice for storing lastTarget hit to reset the color when it's no longer being hit?

rn I'm just gonna store the variable on hit for lastTarget

[ruby python]

Initially I did when I was recursing between a couple of functions, but I've condensed it down to one and seemingly fixed that, but just made some order of operation changes and it crapped out, so I'm assuming it returned. lol.

So just taking a few minutes away from looking at it, so I can look at it with 'fresher' eyes. 🙂

[languid spire]

sounds like it, with infinite loop the program will hang but not crash, with infinite recursion the program will eventually crash with a stack overflow

[ruby python]

Yeah, basically what I'm doing is Instantiating my object at a random position, checking the terrain height underneath it, if it's between a certain height range move the object to the surface, move on to the next. If the height isn't between the given range, move the object to another position and try again.

I know that it's horribly inefficient really (happens on start, so only runs once), but I don't know of another way to do it 😕

[languid spire]

ouch. why not first make a List of all the positions which are valid and then use that list when you instantiate your objects

[sand snow]

I am currently trying to make a movement script and now that i have my walking speed I want my speed to increase when i hold shift (like a sprint), how should I do this?

do I use a bool to see if I am holding shift and then an if statement?

[ruby python]

I'm not entirely sure how to get the list of valid positions without having an object/transform to use as a position reference if honest. The list isn't an issue (list of Vector3's), it's just how to get those values in the first place to put into the list. lol.

[languid spire]

no, you need to keep a copy of your speed variable. so origSpeed and currSpeed, then a simple if to check for shift can increase currSpeed and when you release set it back to origSpeed

[sand snow]

so something like

if(Input.GetKeyDown(KeyCode.LeftShift))
{
currSpeed * orgSpeed
}else
{
orgSpeed
}
???

[languid spire]

lets say you want to place objects between 0,0,0 and 10,5,10. just cycle through your terrain and store all positions of the terrain that fall into that range

[languid spire]

is that supposed to be c# ?

[sand snow]

yes

[languid spire]

well it's not

[sand snow]

how?

[ruby python]

Yeah, I'm just looking at the TerrainData stuff now. Thank you 🙂

[languid spire]

currSpeed * orgSpeed
orgSpeed

[sand snow]

yeah so if iclick shift my current speed will multiply by my orgspeed, and if i am not clicking shift then it will just be my orgspeed

whats wrong about it?

[languid spire]

currSpeed *= orgSpeed;
...
currSpeed = orgSpeed;

is what it should be

#1180170818983051344

[mighty compass]

mb

[sand snow]

wait so which speed is supposed to be the "walking" speed

ohhh nevermind i get it

currspeed is the multipliar correct?

I also have a question what does *= mean

[modest dust]

If you do not know what *= is then I suggest taking a quick C# course

[sand snow]

also im not sure why but its not detecting when i hold shift, but the code does work because if i spam shift sometimes the value will change

[sand snow]

i know it mean times what is equal to the right, its just i wanted to know like what it means

wait

that is what it means

my bad 😭

[modest dust]

Still, it's never a bad idea to take a course

[modest dust]

Show full code

[sand snow]

its in void update if thats what you're trying to see

[modest dust]

Still, show full code

[sand snow]

using UnityEngine;

public class PlayerMovement : MonoBehaviour
{
    public float speed;
    public float jumpForce;
    public float sprintSpeed;

   [SerializeField] private bool isGrounded;

    private bool facingRight;
    [SerializeField] private float rayDistance;
    [SerializeField] private LayerMask groundMask;

    Rigidbody2D rb;

    void Start()
    {
        rb = GetComponent<Rigidbody2D>();

    }
    void FixedUpdate()
    {
        rb.velocity = new Vector2(Input.GetAxis("Horizontal") * speed, rb.velocity.y);

       
    }

     void Update()
    {
        if (Input.GetKeyDown(KeyCode.LeftShift))
        {
            sprintSpeed *= speed;
        }
        else
        {
            sprintSpeed = speed;
        }


        // Jump mechanic
        if (Input.GetKeyDown(KeyCode.Space)&& isGrounded)
        {
            rb.AddForce(new Vector2(rb.velocity.x, jumpForce), ForceMode2D.Impulse);
        }

        isGrounded = Physics2D.Raycast(transform.position, Vector2.down, rayDistance, groundMask);



       
        }

        


    }

[modest dust]

You reset sprintSpeed back to speed on the next frame

[sand snow]

it works it just doesnt detect when im holding shift for some reason