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Question by unity_w108xjlENsUk1Q · Apr 28, 2020 at 01:07 AM · c#rotationrotateangle

How to rotate an object without using a timer

Hello! The object must rotate first in one direction, then in the other. I wrote such a script, but I think it is possible without a timer. How can this functionality be implemented using a Quaternion and angle comparison?

  float right = 45f;
     float left = -45f;
      
         void Update () {
     
             if (_timerRotate)
             {
                  _timer += Time.deltaTime;
                 if(_timer < 1.5f)
                 {
                     angle = right; 
                  }
                 else { angle = left; }
                 if(_timer >= 4.5f) { angle = right; if (_timer > 6f)  _timer = 0; }
                 
             }
           transform.Rotate(0, angle * Time.deltaTime, 0);
         }
 
 


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Answer by unity_w108xjlENsUk1Q · Apr 28, 2020 at 02:22 PM

Thanks for the help. I do not need a time reference. Is this a normal code or is there an error somewhere? It works as it should.

  currentEulerAngles += new Vector3(0, angle, 0) * Time.deltaTime; 
             if (currentEulerAngles.y > 45f)
             {
                angle = left;
             }
             if (currentEulerAngles.y <= -45f)
             {
                angle = right;
             }
             
             transform.Rotate(0, angle * Time.deltaTime, 0);

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avatar image icehex · Apr 28, 2020 at 09:49 PM 0
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Ah very nice! It looks like it should work. I would move the first * Time.deltaTime to inside the Vector3 in case it does unnecessary multiplication by the two 0's and 'else if' on the 2nd if statement.

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