Rotating/Spin Coin question

Question

I successfully rotate my coin (a 3d Object with x = 90° rotation) using this: using System.Collections; using System.Collections.Generic; using UnityEngine;

 public class Coins : MonoBehaviour
 {
     //var to set the coin rotation spedd in Inspector
     [SerializeField]
     //1.0f rotattions/sec
     private float rotateSpeed = 1.0f;
 
     // Start is called before the first frame update
     void Start()
     {
         //starts the Coroutine
         StartCoroutine(Spin());
     }
     //to spin the coin.All Coroutines must have a return Type IEnumerator
     private IEnumerator Spin()
     {
         //to rotate smootly a bit on each frame
         while (true) 
         {
             //transform.Rotate => transform function from Rotate class
             //transform.up => along y axis
             //Time.deltaTime => how much time since last frame
             //360 * rotateSpeed * Time.deltaTime => how much i nedd to rotate each frame
             transform.Rotate (transform.up, 360 * rotateSpeed * Time.deltaTime);
             // to avoid eternal loop
             yield return 0;
         }
     }
 }

My problem is that the coin rotates in all 3 axis. Using Vector3.up or : //transform.Rotate (Vector3.up, 360 rotateSpeed Time.deltaTime);

 //transform.Rotate (xAngle: 0, yAngle:360, zAngle:0);
 
 //transform.Rotate (0,10,0);

does not work at all.

Thanks for any help !

Answer 1

Answer by dan_wipf · Mar 27, 2019 at 10:16 AM

this should work for you:

 float t =0;
  t += Time.DeltaTime;
  Quaternion yAxis = Quaternion.Euler(0, t * speed,0);
   transform.rotation += yAxis;

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Rotating/Spin Coin question

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