#Movement direction

1 messages · Page 1 of 1 (latest)

steel bough
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That's where you move the character, right?

Vector3 movementDirection = new Vector3(horizontal, 0f, 1f).normalized * moveSpeed;

rb.AddForce(movementDirection - currentVelocity, ForceMode.Acceleration);
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Movement direction

livid blade
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it's in the if statement

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when you see if(gravitySwapped)

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line 56

steel bough
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You don't need it though

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The movement direction can be assigned in a single line

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So you're either on top, buttom, left and right

livid blade
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? i don't understand what you mean.

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sry

steel bough
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It's alright, I'm not that good in explaining

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Let me break it down a bit

livid blade
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i made a bool so that when it's true movement should be different

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and i made an if statement to made it clear and readable let's say

livid blade
steel bough
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You have 4 different directions, each should have its different vector

  • bottom -> Vector3.right * horizontal
  • top -> Vector3.right * -horizontal
  • right -> Vector3.up * horizontal
  • left -> Vector3.up * -horizontal
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So Vector3.right * horizontal is new Vector2(horizontal, 0f, 0f)

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oh, I swapped top and bottom, by the way

livid blade
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i see what you mean, but i think it's more clear the way i wrote it no? maybe it's just preference

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i might be wrong about it

steel bough
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Alright, you want to change the gravity in just one direction, don't you?

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So you have bottom and right directions in your case

livid blade
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i'd like to be able to move left and right when sphere is sticking to the right wall

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gravity is already swapped

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Vector3 gravity = gravityDirection.normalized * -gravityStrenght;
rb.AddForce(gravity, ForceMode.Acceleration);

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here

steel bough
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Yes, I'm taking about the walls

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So by right direction I mean when you stick to the right wall

livid blade
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ye

steel bough
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That's why I'm asking you whether you intend on sticking on left and top walls as well

livid blade
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nono just right

steel bough
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Well, that's strange

livid blade
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wait, i'll explain it better

steel bough
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You'd better implement the full logic in case you will be changing it in the future

livid blade
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ye probably but my plan was to start simple

steel bough
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Your code has redundant things, you can see that the same code is repeated twice

livid blade
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and do it only on one wall

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the arrows on the right wall is what i'd like to be able to do

steel bough
steel bough
livid blade
steel bough
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Because you have redundant code, which won't work both left and bottom cases

livid blade
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i'd make more 2 if statements for that probably : P

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there are 100% better ways to do that

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for sure

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but it's my first 3d game, and i've been coding for not even 6 months i think

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so sorry if my code looks bad

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i'm just trying to understand 😄

steel bough
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float horizontal = Input.GetAxisRaw("Horizontal") * (currDirection.x != 0 : 1 : -1);

Vector2 moveDir = currDirection * gravityStrength + ReverseVector(currDirection) * horizontal;

rb.AddForce(currDirection * gravityStrength);

//

private void ReverseVector(Vector2 value) =>
    new(value.y, value.x);
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Oh, that's an interesting stuff

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I haven't tested it, though I took it into a deep consideration

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That's how I'd do it

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Anyway, I gotta test it

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Here currDirection Vector2:

  • bottom -> (0, -1)
  • top -> (0, 1)
  • left -> (-1, 0)
  • right -> (1, 0)
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Which is the direction of the force added to your Rigidbody

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You do it in these lines

Vector3 gravity = gravityDirection.normalized * -gravityStrenght;
rb.AddForce(gravity, ForceMode.Acceleration);
steel bough
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I'll go check it out

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But this should work, as I have imagined in my mind

livid blade
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i see thanks 🙂 never use lambda before

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i used ternary operators tho

steel bough
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Yes, I meant ternary operator. This is not a lambda, you're right

livid blade
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private void ReverseVector(Vector2 value) =>
new(value.y, value.x); this is lambda no?

steel bough
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I was talking about this one currDirection.x != 0 : 1 : -1, which is a ternary operator

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Anyway, this code should work, because you apply the force on the Y axis

Vector3 movementDirectionSwapped = new Vector3(0f, vertical , 1f).normalized * moveSpeed;
livid blade
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that's what i thought

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but it's still going up and down only

steel bough
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But I still have questions to getting the Vertical axis, which are Up and Down keys on your keyboard

float vertical = Input.GetAxisRaw("Vertical");
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It doesn't matter whether you change the direction, you still want to be able to control the player using your Left and Right keys on the keyboad, don't you?

livid blade
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ye

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i see what you mean

steel bough
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which is done using Input.GetAxisRaw("Horizontal"), which you do too

livid blade
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yep

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i do it when gravity is normal

steel bough
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You should be able to move the character with your Up and Down keys right now

livid blade
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yessir

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but it moves up and down

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not right and left

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actually

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left and right moves up and down

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right now

steel bough
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You character is moved up and down on the Y axis when it's sticked to the wall, basically, but it should be seen as if it's moving right and left, as you reverse your camera

livid blade
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yep

steel bough
livid blade
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exactly

livid blade
steel bough
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Yes, that's logical

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You've written your code this way

livid blade
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ye

steel bough
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float horizontal = Input.GetAxisRaw("Horizontal");
        
Vector3 currentVelocity = rb.velocity;
currentVelocity.y = 0f;


Vector3 movementDirection = new Vector3(horizontal, 0f, 1f).normalized * moveSpeed;

rb.AddForce(movementDirection - currentVelocity, ForceMode.Acceleration);
 
rb.velocity = Vector3.ClampMagnitude(rb.velocity, maxVelocity);
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This part of the code is executed even when the player is sticked to the wall

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(which is redundant)

livid blade
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why is it?

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i added an if statement when player is sticking to the wall no?

steel bough
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What happens when you press Up and Down keys on your keyboard, instead of Left and Right?

livid blade
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nothing

steel bough
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Vector3 movementDirectionSwapped = new Vector3(0f, vertical , 1f).normalized * moveSpeed;
rb.AddForce(movementDirectionSwapped - currentVelocity, ForceMode.Acceleration);
rb.velocity = Vector3.ClampMagnitude(rb.velocity, maxVelocity);
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Here, what's the value of movementDirectionSwapped - currentVelocity and velocity ?

livid blade
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same as the code written before the if statement

steel bough
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Yes, so what's the value?

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Please, print it and see which force you apply

livid blade
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kk

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first one is movementdirection - current velocity

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second one is rb.velocity

steel bough
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That's the movement on the right wall, yes?

livid blade
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yer

steel bough
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Well, it should move since you add the force to the y axis.

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it should move the player right and left according to your game coordinates

livid blade
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it should you said it right

steel bough
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does it though?

livid blade
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nop

steel bough
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alright, could you, please, give me the whole code, including the print you put, once more?

livid blade
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sure

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i was testing it out with the z axys

steel bough
livid blade
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nono

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but it looks like nothing changes

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if i put horizontal or vertical in any of the three cordinates

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wait

steel bough
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No, you should move the charater on the y axis when it's reversed.

livid blade
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ye but even by doing that it stays the same

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float Horizontal = Input.GetAxisRaw("Horizontal");

Vector3 movementDirectionSwapped = new Vector3(0f, Horizontal , 1f).normalized * moveSpeed;

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should be like this

steel bough
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Oh, wait

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even if y isn't 0

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it's still not enough force for the rigidbody to push the player, as it's not lying on the floor

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I completely forgot it

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Rigidbody won't be able to move like this

livid blade
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are you sure? it just looks like if i press left it goes up and if i press right it goes down

steel bough
livid blade
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but when i press right the sphere slows down

steel bough
livid blade
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ye

steel bough
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So you say it works or what?

livid blade
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i think there's enough force to move the rigidbody, it's just moving in the wrong direction

steel bough
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I think we're misunderstanding what right and left means in your context

steel bough
livid blade
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i'll tell you

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by pressing the "a" on the keyboard the sphere goes up and move on the x coordinates. If i press "d" it's the opposite

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but i should move on the y axys

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so yeah, we're moving on the wrong axys

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even tho i've set horizontal on the y coordinate in the code

steel bough
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How does it go "up" and move on the "x coordinates"

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x is right

livid blade
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i'll record everything

steel bough
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alright

livid blade
steel bough
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Alright, that's what I meant

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You have changed this code to move on the x axis, right?

Vector3 movementDirectionSwapped = new Vector3(0f, vertical , 1f).normalized * moveSpeed;
livid blade
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ye

steel bough
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You can move on the X axis, because of the floor under it

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But you cannot move on the Y axis, because you don't have the floor there

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The Rigidbody uses Physics.
It's the same as if you can move right and left in your life as a human, but cannot move up and down, because of the gravity applied to you

steel bough
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Or change the Physics.gravity via script, in this case you can move using Rigidbody

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(which is -9.81 by default)

livid blade
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i see, ty 🙂 i'll try transform translate

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ty for your time bro

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means a lot

steel bough
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Well, I don't think I helped a lot

livid blade
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still, you spent a lot of time

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for a guy you don't even know

steel bough
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Anyway, tell me the results with changing transform

livid blade
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sure, i'll do it later

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gotta go now

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see ya

steel bough
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Alright, good luck