Unity lerp back and forth Every time I play the game, right after the second coroutine (backwards movement) finishes, Unity crashes. position = Vector3. I recently discovered Lerping via google and have tried to use it but to no avail. Not a slow movement that looks like a ball bounding back and forth off two walls. 0 after 2 seconds. This code works, but the platforms tend to jump suddenly from their original position closer to the new one, before moving smoothly. time). For your case you could Mathf. deltaTime in Update and get the sinus of that value. Mar 19, 2014 · What I’m trying to do is make a gameobject (so for example in this case an enemy), move automatically on a particular axis (in this case the x), back and forth. Translate([current position], [position to reach], [step]); transform. Can someone please help me out, im not sure what’s gone wrong. material = material1; } function Update () { // Ping-pong between the materials over the duration var lerp = Mathf. That's a fine idea & it would probably be my first choice. PingPong () a number from 0 to 1 and back to zero and use that as input to your Lerp… that would cause it to go from A to B and then back to A. Collections; public class Boss : MonoBehaviour { public float Speed; public float ToMove; public GameObject targetA; public GameObject targetB; public Apr 28, 2017 · I am new to Unity and coding in general, so I apologize if this question is poorly worded. time); } Using Vector3. Nov 14, 2015 · Hello, I have the following script, basically lerps from alpha = 0, to full colour over a duration of time. cs · GitHub and do this Mar 9, 2023 · 2 I built a subGraph in Unity Visual Scripting to move a GameObject ("returnThisGameObject") from its current location (Point A) to its originalPosition (Point B). For better understanding i will post my code: public void RotateVision The interpolant parameter t is clamped to the range [0, 1]. PingPong obviously ping pongs the effect back and forth, what would be the equivalent script code to just perform the lerp once, so it just fades in from alpha = 0 to full colour and then stops there. PingPong (Time. The script is supposed to move my player to the destination position in a Vector3. I tried with: transform. For example, to move an object gradually between those points. PingPong((myTime / damp) * strength, 1)); Jan 10, 2016 · Based on where you are in between the lanes, you will lerp back and forth. This answer is meant to explain how to get the result manually. Quaternion. What your thinking of is more like Mathf. time) + 1. Here is my current implementation of the 3 relevant functions: Dec 5, 2016 · Hello. This turned out to be a surprisingly tricky question, and is a go Sep 25, 2015 · I'm trying to create a bird moving across screen along x axis. Lerp player move only one time but it didnt work second move. The game is actually taking place on the Z axis. UI; Jul 12, 2019 · from what i know, i think i should Lerp from the block current position to the endPos at first, and the back to the startPos because i am using FixedUpdate and will actually transform the position of the object on every single frame, am i wrong ? 2 I am attempting to translate a chess piece up, across and then back down using the lerp functionality of unity. Something similar to Halo Reach’s title screen. I need a c# script for moving an object (platform) continuously from one point to another and vice versa. deltaTime and my computer slowing down whenever I move (This shouldnt be the case because I have a nice enough computer (with a decent GPU) to play video games on low settings). Aug 9, 2012 · I have platforms that I want to move back and forth from their original position to a set position. There is an example script in the reference. my current script only makes it move back and forth one time and is withi vector3. Lerp. Suddenly the box rotates Sep 14, 2018 · Hey all, you guys were super helpful with getting simple infinite rotating up and running, but my original goal was to have it go back and forth. Here’s the code I have (C#): using UnityEngine; using System. May 30, 2014 · How do you smoothly transition or lerp a rotation of an object to a new rotation? My direction changes every time the player presses a button. Thanks in advance! change color unity back and forth Comment 0 engineBodyRenderer. Jun 29, 2010 · var start : Transform; var end : Transform; function Update () { transform. SmoothDamp will be no use for your goal. Lerp here I end up with my ball instantiating on trigger and moving from start to end in one second. But when it does, the rotation gets changed immediately, with no transition … Dec 16, 2019 · } public void Update() { float currentTime = (Time. Lerp ? is it even possible ? Thank’s a lot for the help. The method interpolates between points a and b, such that: When t ≤ 0, this method returns vector a Mar 18, 2018 · I’d just mention that position Vector3. bird. Follow our expert step-by-step guidance in C# to improve your coding and debugging skills and efficiency. Generic; using UnityEngine; public class MyTrackingScript Aug 30, 2012 · Hi everyone, I am currently learning the scripting in Javascript on Unity3D, so I’m trying to make an easy 2D platformer. Lerp works back and forth without stopping. It rotates to -90 degrees (or 270 degrees) and then goes back to 0 degrees (or 360). color = Color. (: If anyone can help, it would be much appreciated!! ~WM Hey guys, I am new to unity. 2f, -0. Lerp (initialScoopRotation, targetScoopRotation, scoopRotateTime * Time. The character never changes Y or Z or rotations. I am currently creating a 2D platform game. I have it so that it works initially, changing from the first controller to the second, but then on Jan 4, 2017 · Lerp or Linear Interpelation uses this formula public static float Lerp(float A, float B, float lerpValue) { lerpValue = Mathf. What am i doing wrong? private void InputMovement(){ transform. May 11, 2022 · 1 Like Topic Replies Views Activity Mathf : A to B, then back to A. Jul 12, 2019 · from what i know, i think i should Lerp from the block current position to the endPos at first, and the back to the startPos because i am using FixedUpdate and will actually transform the position of the object on every single frame, am i wrong ? 2 I am attempting to translate a chess piece up, across and then back down using the lerp functionality of unity. (y = mx + b, b = 0) 2) use an oscillatory function like Sin(x) or Mathf. Aug 23, 2018 · I’m using 2 Mathf functions to fade a value back and forth, i’m having a problem though: the value fades between -20 and 20, but when the function starts it starts at -20, not 0; is there a way to fix this? LD. I easily made my character moving from his first place to a second point, named Point B (position: 0, -9, -18), and stop. I want to use Vector3. Neither of those two functions have the value oscillate back and forth. Lerp (gun [curWeapon]. what i have now: public Renderer engineBodyRenderer; public Jun 28, 2018 · Moving one object towards another is a simple enough task, and a Lerp is a good way to get the job done. So I thought to use Mathf. So far my thinking is this: 1) Determine the desired path between the two objects by calculating the equation of the line between them. like slowly. Generic; using UnityEngine; public class Enemy : MonoBehaviour { private Oct 21, 2015 · I want to make one of the gameobjects in my game to move back and forth from point A to point B repeatedly, but I wasn’t sure how… please help! It would be Dec 28, 2022 · Using Sine Waves to Move Objects in Unity Moving objects in Unity using Lerp can be useful, but because it’s linear, the movement can sometimes look strange. Using the debugger to follow the values over the course of the Apr 13, 2020 · Learn to animate buttons, move objects and fade anything - the right way - in my in-depth guide to using LERP in Unity (including copy / paste examples). Nov 25, 2021 · I would combine this approach: Smoothing movement between any two particular values: You have currentQuantity and desiredQuantity. Basically, I want a ball to move from point A, to point B on screen touch, then on screen touch again I want to go back from B to A. Collections; public class Elevator : MonoBehaviour { // Declare variables public Vector3 origin; public Jul 28, 2011 · Hello guys, I’m stuck with this, I have a platform witch has a Lerp function that allows it to move into a direction that I want, that works fine, the problem I have is that I can’t make it move back to the starting point again! (I want to create a moving platform that goes forward and back) I’ve tried a lot of things but it’s not working (I have also tried the MoveTowards but is May 19, 2015 · I looked at the tutorials for Lerping and I understand that it changes value x to value y over time, but I can’t figure out how to make this work in moving an object. I’m just trying to make it so that the Vector4. But whenever i press the space key, nothing happens. Oct 27, 2019 · You are starting with value at 5f Are you trying to switch back and forth between on and off constantly, automatically, or is it controllable by player If auto: Use pingpong instead of lerp I recorded a video of what I’m trying to do. Lerp function actually works is just beyond me at the moment. time) might be an alternative to look into as you want the object to go back and forth, a Sine function is perfect for that kind of thing. 0f) / 2. However, whenever I trigger this script, the entire session freezes. I have set up the color generator using Color. It damps the velocity over time causing ease-out for the movement. . ToAngleAxis() works. BooBi Apr 11, 2013 · Hi, i’m trying to make an object that can rotate on the x axis back and forth 180 degrees and whilst the player is not pushing the rotate button and if it’s not level (which is a 0 value) to lerp back into a level position. I have a current speed, a top speed and an acceleration rate Jul 10, 2011 · Im trying to make a box in my scene move back and forth from “start” to “end” from “end” to “start” and so on. However I’m having some trouble with making the pink dot stay at a fixed distance from the player, it constantly just wants to loop around. Please help. Collections; using UnityEngine. The script is an experimental gun sway and movement script. Sadly, I realized this is easier said than done. The question is (fairly) simple, solution maybe not. Apr 27, 2017 · I am trying to make a system to move my character off the screen to the left and then moves it back on to imitate the character leaving the room and reentering (useful for visual novel character and scene switching). I have an NPC I would like to make moving back and forth on a portion of my platform. I have been able to figure out how to have it pingpong from point A to point B and back to point A, … However, when the dog comes back, it is walking backwards. There’s probably an easy way to fix this Dec 15, 2016 · That way the code to go back and forth simply drives that single float value slowly from 0 to 1, and uses that float value as the “alpha” term in the Quaternion. Lerp show post in topic May 4, 2015 · The usual fairly basic issue… I have an object that I want to rotate back and forth on one axis (y) over a 120-degree arc. Lerp for creating fluid movement, rotations, and color transitions in 2D and 3D games. 08 back to 1. b. I used the Lerp documentation to try this but im not sure exactly where I went wrong here in the So i have a button that is suppose to change a colour of an object. Lerp to rotate a GameObject back and forth smoothly. Control the speed of movement with the maxDistanceDelta parameter. Sin(Time. pendulumAnchorTransform. Lets say starting position of the player is at the left side of the camera/screen and w Mar 29, 2017 · Lerp requires three things: a start position (n. PingPong () Nov 23, 2014 · gun [curWeapon]. lerp () to work? … i’ve copied the code from the documentation: // Blends between two materials var material1 : Material; var material2 : Material; var duration = 2. Rotate(new Vector3(45, 45, 45), Space. Lerp Questions & Answers legacy-topics 1 1806 May 12, 2012 how can i rotate a rigidbody smoothly,how to rotate a rigidbody in a smooth way Questions & Answers legacy-topics 2 2010 November 16, 2018 Choppy movement when rotating Questions & Answers legacy-topics 2 4503 February 22, 2012 Quaternion. How the Mathf. Discover in depth solution to change color unity back and forth in C# programming language. Let's take the expression below apart, understand what it does & doesn't do, and then fix it: startPosition. Lerp change color unity back and forth Comment 0 engineBodyRenderer. Note if you are using physics, you can add a Rigidbody component, mark it as IsKinematic. movetowards so the movement is kinda janky when you move the same direction as it heres the script using System. material = material1; } void Update() { float lerp Feb 14, 2008 · how can i get renderer. Follow the video for a quick tutorial on how to make or use the pre-built function for Lerp. AngleAxis() and Quaternion. Lerp function (or maybe other methods to achieve this)? So far, I was suggested the following Nov 24, 2021 · I want it to change from 0 to 1 when finished to wait x seconds and then change back from 1 to 0 wait again some x second and from 0 to 1 and so on nonstop like a pin pong. EventSystems; using UnityEngine. Finally pass that value to the Lerp function as its last parameter. Generic; using UnityEngine; public class effects : MonoBehaviour { [SerializeField] float lerptime = 20; // Start is Jun 11, 2013 · There are a number of ways of moving things back and forth. Unfortunately I have been struggling with this for a few days now and cannot find a working solution. A = 0 B = 1 X = 5 seconds so from A To B should take 5 seconds and i wish to know how i can calculate based on the time how much it should lerp per second so to speak. It might give you some quasi smoothed out motion on a stable framerate (or when called in a fixedUpdate instead), but consider this: When the deltaTime is <1, the position will never reach the target When the deltaTime is >= 1, the position will reach the target in 1 frame. Oct 8, 2016 · I want to move my gameobject to move point A to target point B like sine wave, I have used Vector2. Translate([position reached], [original position], [step]); The problem is that Unity don’t make the platform move, and I don’t know for what reason. A simple swivel, right? Like a hinged gate - it can open, and then close. Then you will use Rigidbody. Feb 26, 2025 · Hello there, I am attempting to rotate transforms back and forth, but this does not end up in the initial position. Lerping can also be used to gradually change one value into another. Lerp but its just straight line. Everything works fine until the box have made a full 360 degree rotation, that is 4 forwards on the mouse-wheel, and starts the second ‘lap’ of rotation. May 29, 2014 · I am using lerp to move a texture back and forth between two points. Using the unity debugger, I have narrowed the problem down to this section of code. platform) Questions & Answers legacy-topics 3 12634 July 14, 2013 tween a float between 2 values Unity Engine Scripting 2 9714 May 7, 2015 Apr 27, 2017 · I am trying to make a system to move my character off the screen to the left and then moves it back on to imitate the character leaving the room and reentering (useful for visual novel character and scene switching). Aug 20, 2024 · Another approach would be to use a tweening package such as LeanTween, DOTween or iTween. Sin would do what you want? For example: increase a float by Time. To do this I planned to random a forward angle, store it, lerp to it then lerp Sep 8, 2019 · Linear Interpolation It’s likely one of the first functions you’ll encounter in Unity. Considering that I’ve used Vectors to indicate the position Sep 9, 2016 · I want to lerp along the Z axis forth and back the same amount to avoid spinning (as my sprite is not a circular one). not your current position, but the position you were at when you started moving), an end position, and a “t” parameter which is how far you are now between start and end. Or Slerp… Though I have no idea how to use them. position, end. Im using color. Let’s break it down and help you Nov 3, 2021 · Complete guide to Unity lerp. But when it does, the rotation gets changed immediately, with no transition &hellip; Mar 27, 2013 · I could use some pointers on how Quaternion. The returned value V equals V = A + (B − A) × t where 0 < t < 1. 0f; private Vector3 newPosition; void Awake () { newPosition = transform. This is my code. Lerp() to move them so that everything is really smooth. Jun 29, 2019 · I’m relatively new to programming, and am having a bit of trouble with something. However, I want it to pause at each point, for about a second, rather than just instantly moving back. Instance. The problem im getting is that once the box in my scene reaches “end” it starts spastically jumping back and forth at a mile a minute between “end” and “start”. var currentMovementVector = InputWrapper. com Tags: back c# forth Share Link to this answer Share Copy Link Contributed on Jun 19 2022 M K 0 Answers Avg Quality 2/10 Feb 24, 2015 · All fine till here…problem is when the slot is the wrong one the object have to lerp back to it’s original position. Whether you're animating UI, moving a character, or creating smooth camera pans, Unity's Lerp function is a must-know. Lerp Aug 28, 2014 · Hi all, I’m trying to make a checkpoint object in my game lerp back and forth between two vectors, so that it appears to be floating up and down slowly in the gameworld. Im not sure if it has to do with Time. UI; Apr 7, 2020 · I tried making a script that changes the directional light color when i swipe down and changing it back when i swipe up but after changing it back it starts changing back and forth constantly. This is a very simple code that reproduce my issue : using UnityEngine; public class Repro : MonoBehaviour { void Start() { this. PingPong(). Feb 18, 2021 · First of all I would suggest to rather use a Coroutine which is way better to control and maintain than doing everything in Update. Jun 20, 2024 · Hey all, I’m trying to implement side jumping while you are locked on to a enemy. MovePosition() for the movement rather than changing Transform. Lerp, position lerping, and 3D Lerp techniques. I want the movement to be smooth and in a linear motion but with Lerp I noticed if I multiply the 3rd value, the speed, by Time. World and Space Aug 21, 2018 · Hi, Im trying to lerp from pos A to pos B or from pos B to pos A, literally moving the gameobject back and forth whenever i press a button. 0f); Using this in Update() the bird f Apr 27, 2020 · Master Unity's Lerp functions for smooth animations and transitions. I thought I could use Vector3. How would I go about doing this? Jun 4, 2013 · while(true) { transform. I am using the Ping Pong method and that does not seem to work. When i try to move my character moves only a few feet and jitters back and forth at really small distances. Lerp (startColor, endColor, Mathf. 0; function Start () { // At start, use the first material renderer. I’m sure there’s a better way to do it but this is how I approached it, can anyone explain to me why this causes the creature to teleport to the x coordinate rather than to move/glide? I’ve tried Lerp and moveTowards but neither seem to work Mar 11, 2014 · This is what I have so far. Collections; public class SmoothLerpSphere: MonoBehaviour { public float smooth =2. public class Enemy : MonoBehaviour { Jan 25, 2015 · Recently on the forums came up the question of how to use dt (delta time) correctly with lerp. There’s probably an easy way to fix this Feb 15, 2011 · No the same use that my previous post, but how to pong a Mathf. But after a while of toggling those booleans, the Quaternion. using UnityEngine; using System. I’d want my material color redValue to ping pong from minValue to maxValue starting from a random redStartValue. The code: SmoothMovement. HSV as follows: Oct 14, 2021 · Learn the different ways to move objects in Unity, including Transform Translate, Move Towards, Lerp and Physics, in my beginners guide. Dec 18, 2019 · I’ve been working with C# for quite some time now (4 years), so I decided to pick up Unity a few days ago and try to build something. However, I want it to pause at each point,… Sep 26, 2013 · Hey! I’ve been looking at the videos and references and this place… But I can’t for the life of me figure out how to rotate 35 degrees to either the right or the left. position, fracJourney); } is also okey to this…then yeah that should work too. When it reaches Point B it should move back to Point A. com A subreddit for News, Help, Resources, and Conversation regarding Unity, The Game Engine. Lerp is used frequently where you need to smooth between two floating-point numbers, vectors, colours, quaternions or even materials. Apr 14, 2025 · In this guide, we’ll walk through 5 easy steps to master the Unity Lerp function, covering key concepts like unity leap, Mathf. How do you smoothly transition or lerp a rotation of an object to a new rotation? My direction changes every time the player presses a button. using Vetor3. material. I have comment in my code for additional info public class Point_LightG : MonoBehaviour { public Light point Feb 6, 2025 · Godot Version 4. position; } void Update () { PositionChanging (); } void Mar 23, 2021 · Disclaimer: There's probably an off-the-self way to get this result from Unity with a built in lerp of some kind. I used lerp methods like this one Mathf. Lerp(transform. transform. 45 and 0. time * speed) Starting from the Oct 8, 2021 · Hello everybody. Collections; public class Nov 24, 2020 · I have a simple character controller script that works well accept whenever Im falling and moving in any other direction I fall drastically slower. It’s more natural for an object to … Feb 5, 2022 · I am trying to make a object move back and fourth but its teleporting instead of moving smoothly. intensity. I’m currently on a break at work but i’ll work something out when i’m back home in front of my machine and post some code. Lerp (pos1, pos2, (Mathf. So for example, it will move 3 along the x axis then back to its starting position and continually do that. Lerp to interpolate value, passing PingPongValue as t parameter. My problem is that it does the first lerp just fine, but once it reaches it’s destination it is supposed to reverse and come back. So far, using Slerp or Lerp (I don’t really care which) has worked fine for getting it to go one way… but when it reaches the end of the arc it “snaps” back to the starting position Oct 13, 2010 · Hey all, Are there any commands which would allow me to “lerp” between say 0, then to 50, then back to 0 again, all in the one tidy statement? Or perhaps someone could suggest a viable alternative? Cheers 😄 Nov 8, 2015 · I’m trying to use Quaternion. time * speed) Starting from the Sep 11, 2014 · So I’ve modified Unity’s own script on Lerping to work in my scenario, so that the object moves back and forth but with a smoothed Lerp. Lerp(start. i came across a little problem i for some reason cannot find out how to do. It would be of great help if you could give me a script. Here is the script Color color0 ; Color color1 ; public float duration; Light lt; bool swipepossible = false; private bool swipingdown = false; private bool swipingup = false; // Update is called once May 2, 2022 · Now just use swingAngle at the root (top) of the pendulum to create rotation and it will swing back and forth. Is there anyone who knows well how to implement the Mathf. See full list on gamedevbeginner. The code run dozen of times a minute and usually does its job. Jun 17, 2016 · For one there is Vector3. I’ve successfully gotten an object to move back and forth between two points, through Lerping. Then note that Vector3. His first place May 29, 2014 · I am using lerp to move a texture back and forth between two points. But it does not add any ease-in. Oct 20, 2016 · The code in the material. PingPong Mar 4, 2022 · I want the behavior that if u swap back and forth over 4 seconds, the color should still not go transparent for another 5 seconds, but currently it goes invisible after 1 with that test case. In this guide, we’ll walk through 5 easy steps to master the Unity Lerp function, covering key concepts like unity leap, Mathf. I am trying to move an object back-and-forth repetitively between two other objects. 6f) - rigidbody Aug 17, 2018 · I know there is a lerp function there that smoothens the camera but I wanted it to work the other way around. I’m sure there’s a better way to do it but this is how I approached it, can anyone explain to me why this causes the creature to teleport to the x coordinate rather than to move/glide? I’ve tried Lerp and moveTowards but neither seem to work Jan 5, 2022 · The problem is that I'm using Lerp and if I'm making the transform to move from the originPosition to the target (destinationTransform) it's not moving from the player hand but from another position Mar 16, 2020 · You are probably looking for Mathf. i wish to do a lerp based on how long a specific action should take. Nov 22, 2014 · I’ve made sure that gun [curWeapon]. rotation = Quaternion. Collections. Smoothly. We will use Unity’s Shader graph to make a shader that Lerps between to colors. Sin (Time. 55 but I do not know how to make it do it itself… This method moves a vector from current to target points, moving no farther each call than the distance specified by maxDistanceDelta. localPosition, new Vector3 (0. What I’m trying to do is to rotate a box 90 degrees around the X-Axis each time I scroll the mouse-wheel forwards. Here’s a code sample to show how I’m doing it: public class ClassName : MonoBehaviour { [SerializeField Jul 27, 2018 · How can I change the light intensity value from 3. It currently works on the Game Object I apply the script to. Abs(speed * Time. These Dec 22, 2013 · Hi everybody, I’m trying to create a moving platform (or elevator) that moves back and forth between two positions, which are stored in vectors. func _physics_process(_delta: float) -> void: sprint() func sprint Apr 8, 2024 · Movement in Unity with the Mathf class Creating fluid and intuitive movement is foundational to crafting engaging player experiences in game development. Does anybody know how I can get the dog to automatically go to one point, turn around and go back to the other, and then continually loop? Any help would be greatly Oct 25, 2024 · I am trying to make it so an enemy would move back and form from one position to the next. Collections; using System. gunObject. The problem is that the character only moves to the left, not returning to the starting place like I expect. At the moment, the Mathf. I got an Object that I want to move up to Point A and when it reaches Point A it should move to Point B. float f = 0f; Aug 25, 2022 · am trying to add a sprinting effect where when i hold shift your swords will go back smoothly then when i release it goes back, i tried to make it but the swords just stay far away from the player and move weirdly heres the code using System. I’ll post the piece of code I have till now…something wrong…the object go in strange positions…really don’t know why… using UnityEngine; using System. deltaTime I had to set the value to 0. One easy way is to use Mathf. position, endMarker. To make sure that object speed is independent of frame Sep 27, 2017 · hello fellow unity devs. When you are on either lane, you will want Jul 12, 2022 · I have a current system which can take a mouse input and adjust the multiple layers of my title screen depending on where the mouse is located, but I was wondering if there were a way instead to smoothly transition the layers from one position to another back and forth repeatedly. only set desiredQuantity the code always moves currentQuantity towards desiredQuantity read currentQuantity for the smoothed value Works for floats, Vectors, Colors, Quaternions, anything continuous or lerp-able. gunObject is not being affected by any other part of the script, it just jumps back and forth. Lerp(initial velocity, target velocity, time), but they don’t seem to work as I expected. Generic; using UnityEngine; public class PlayerMovement : MonoBehaviour { // Transforms Sep 11, 2014 · So I’ve modified Unity’s own script on Lerping to work in my scenario, so that the object moves back and forth but with a smoothed Lerp. PingPong to Jan 17, 2019 · How should i make the enemy’s move back and forth?,I’m trying to do a space invaders game and I want the enemy’s to move back and forth. 3f, 0. However, I want these to be controlled by a switch, and I need individual platforms to start moving later than others. Rotate(new Vector3(-45, -45, -45), Space. The thing is…when rotating counter clockwise, the numbers increase making it impossible to control the rotation. Feb 15, 2011 · No the same use that my previous post, but how to pong a Mathf. Self); this. position, Time. Lerp(startMarker. void Start() { StartCoroutine(timer1()); } IEnumerator timer1() { yield Jun 29, 2019 · I’m relatively new to programming, and am having a bit of trouble with something. #pragma strict private va&hellip; Jan 5, 2022 · The problem is that I'm using Lerp and if I'm making the transform to move from the originPosition to the target (destinationTransform) it's not moving from the player hand but from another position Jan 16, 2017 · I’m trying to move a platform to make that doing a specific route and make it back. Jun 12, 2016 · Rotating the weapon back using Quaternion. But sometimes the GameObject doesn't move the full distance, and just stops part of the way there. Lerp(startPosition, endPosition, 1 Oct 11, 2015 · I have two possitions posA and posB i want to move my player between this two position on button click. It’s a 2D game where only the X translate changes. I can make the character rotate, but it snaps back and forth. Are you doing the full 180 in one lerp? Think about linear interpolation on a unit sphere. Lerp for smoothly changing direction (also Quaternion Lerp and Slerp). so far I tried many ways and I managed this //sine wave vLastPos Jan 1, 2012 · This code works fine with the “Loop” option selected (private var loop : boolean), but when i deselect it (to the back-and-forth operation) it starts erroring out about the array index being out of range. I get the GameObject to rotate when I press the space bar (toggling two booleans). Feb 14, 2019 · It works if I manually slide the lerp slider back and forth between 0. Is there any better way of applying this sprint function? Any help/insight would be appreciated. By updating an object's position each frame using the position calculated by this function, you can move it towards the target smoothly. Nov 30, 2013 · i’m thinking lerp maybe shouldn’t be in the enumerator? idk I just need this jerk to go back and forth between these two points without using any imported packages. If I didn’t multiply by Time. When you are on either lane, you will want Jul 15, 2017 · You'll get non linear rotation speed otherwise. position = Vector2. Find out when to use each for smooth animations and transitions in your Unity projects. So I though the Lerp function would work. position, _to, Time. unity3d. 0F; public Renderer rend; void Start() { rend = GetComponent<Renderer>(); rend. It's easy to do wrong, so I'll talk about the right way if you want to get a constant speed. time - _startTime); float distToTime = currentTime / distanceToDest; transform. code example for csharp - change color unity back and forth - Best free resources for learning to code and The websites in this article focus on coding example Oct 10, 2014 · Im making a script for movement that is based off of the old nintendo style jrpgs. Dec 17, 2021 · If the tracks are linear, define them as a start point and an end point then lerp between the two points to move the piece, with t:0 being the start and t:1 being the end. As for the back and forth thing… maybe a Mathf. (: If anyone can help, it would be much appreciated!! ~WM Jan 10, 2016 · Based on where you are in between the lanes, you will lerp back and forth. Any ideas would be gladly Jun 1, 2011 · In your current script you basically told your object to flip back and forth because you always set the object’s position directly while concurrently using the Lerp. position. I have tried using if statements but the enemy’s just start glitching in one position i’we also tried using while statements but then unity freezes. Collections; public class ExampleClass : MonoBehaviour { public Material material1; public Material material2; public float duration = 2. Euler( 0, 0, swingAngle); Thanks for the reply! I changed what I was trying to do completely, but thanks for showing me SHM, it will surely be useful in the future! Aug 26, 2022 · I’m trying to get an initial speed (let’s say, 20 units) to a target speed (say, 10) smoothly in 0. I have a small dog that is going back and forth in my scene. also keep in mind that doing this, after it reached the end, your object will instantly jump back to the beginning and replays the animation. Unity Engine Scripting 6 1914 October 13, 2010 How to lerp back and forth? (ex. Mar 22, 2019 · I am trying the whole day to move an object from point A to point B smoothly, so I tried Lerp, MoveTowards and SmoothDamp but every time the object just disappear from point A and appear on point B instantly! Apr 9, 2025 · Hi there, I am trying to do something that I believe should be relatively straight forward, which is to fade out, turn off the current player controller, turn on another and then fade back in. Lerp (position, target, deltaTime); does not make any mathematical sense. 02 to May 30, 2010 · ok, I have looked through about 30 examples, spent the night going back and forth over the documentation and searching the forums and I feel safe to say the time has come for me to simply as the question. deltaTime * distToTime); } } Really, This video truly helped me understand it while going back and forth to the document to see where I failed to understand Jul 10, 2019 · Mathf. So I would rather stick to Vector3. time, 1)); Popularity 1/10 Helpfulness 1/10 Language csharp Source: stackoverflow. 3 Question So, the code I’m using right now technically gets the job done, but I’m far enough into programming to know it’s not the best way of doing things, but not far enough to know why it’s not proper. x + Mathf. I have found the following script for a similar idea using Coroutines: Mar 31, 2011 · I am trying to make a character go back and forth from X = -6 to x = 6 but am having a lot of problems. any ideas how to solve this? thank you! public May 16, 2021 · So in my 2d game, i want some objects to move back and forth forever but with rigidbody. com Unity - Scripting API: Mathf. lerp but i need it to gradually change. value = Mathf. Basically, when you get close to and look at an object, it glows white. This method is useful for finding a point some fraction of the way along a line between two endpoints. SmoothStep(-20 * strength, 20 * strength, Mathf. localPosition = Vector3. deltaTime the platform has an acceleration and deceleration movement as it begins to move or reaches the desired point. The first two parameters to a lerp function are two values being interpolated between and the third parameter controls what percentage between the first two inputs the Aug 13, 2014 · The back and forth movements are managed in a couple of coroutines. If you want to keep lerping back and forth between the 2 points, you should add another lerp Nov 14, 2017 · In my game I have a platform that moves back and forth between two point. Self); } } Both Space. if you go between close points on the sphere the linear interpolation doesn't vary much from the arc. 2seconds. Thing is that as redValue ever start from 0 and not from redStartValue. Examples for vector3 lerp, quaternion lerp, color lerp and mathf lerp with code samples. can any one help. Dec 24, 2015 · I have an object as child of another that casts and draw rays in front of it in a chape of a cone (2D) I want to rotate the children (vision cone) 45 degrees to the left and right to represent his vision. Lerp, Slerp, LerpUnclamped, and Vector3. performMovement. Apr 14, 2025 · Smooth transitions are at the heart of modern game development. So I found this picture online And decided that I wanted to replicate it. Lerp () function to generate rotations between rotation1 and rotation2. Complete guide to Mathf. Lerp function doesn’t rotate to 360, but instead yo 324 degrees, causing the game Jan 22, 2023 · ,I’m currently working on a game in my free time and I want a little creature to just walk back and forth random distances based on a calculator. using System. ReadValue<Vector2>(); var Sep 21, 2023 · Explore the differences between Unity Lerp and Slerp functions. Lerp docs. May 4, 2015 · The usual fairly basic issue… I have an object that I want to rotate back and forth on one axis (y) over a 120-degree arc. Currently, I am working on a random color generator which is supposed to switch the color of camera’s background back and forth and so on. Clamp(0,1,lerpValue); result = A * (1-lerpValue) + B * lerpValue; return result; } LerpUnclamped is basically the same thing but without the clamp. lerp documentation for ping ponging between two materials works fine. What I am trying to accomplish is relatively simple.