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Question by Kamil11101 · Dec 28, 2017 at 04:23 PM · c#unity 5

How to limit object rotation in simply way?

Hi, I'm a beginner in Unity . I have a question: In my game I have tank with rotatable turret but I have problem with gun. I mean , it's possible to rotate cannon in y angle but i wanted to limit this for example -15/24
Turret Rotation

     using System.Collections;
     using System.Collections.Generic;
     using UnityEngine;
     
     public class TurretRotation : MonoBehaviour 
     {
         public float horizontalSpeed = 2.0F;
         void Update() {
             float h = horizontalSpeed * Input.GetAxis("Mouse X");
             transform.Rotate(0, 0, h);
         }
     }

Gun Rotation

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class GunAngle : MonoBehaviour 
 {
     public float verticalspeed = 20.0F;
 
     void Update() 
     {
         float v = verticalspeed * -Input.GetAxis("Mouse Y");
         transform.Rotate(v * 5*Time.deltaTime, 0, 0);
     }
 }

I searched many similiar question on this site but nothing work for me..alsoI don't understand.quaternions and some people say that it is needed. What I can do?

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Answer by Elisvaldo · Dec 28, 2017 at 04:25 PM

Mathf.Clamp is probably what you are looking for:

https://docs.unity3d.com/ScriptReference/Mathf.Clamp.html

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avatar image Kamil11101 · Dec 28, 2017 at 05:21 PM 0
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i can ask about more help with this? I mean...this method in gun rotation it's probably impossible to do value clamping.

avatar image Elisvaldo · Dec 28, 2017 at 05:34 PM 0
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Why would it be impossible to do value clamping? Whenever you rotate the turret, you need to give it a value, right?

avatar image Kamil11101 Elisvaldo · Dec 28, 2017 at 05:38 PM 0
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well...sorry...i figured how to do this....thx for help

avatar image Elisvaldo Kamil11101 · Dec 28, 2017 at 05:41 PM 0
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No worries, hope the help was useful :)

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