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This question was closed Dec 25, 2016 at 05:46 PM by JeffHardddyyy for the following reason:

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Question by JeffHardddyyy · Dec 21, 2016 at 08:16 PM · c#euleranglestransform.rotate

EularAngels Question / Lock a Rotation?

So I have this script, and there's this part of rotation :

         //ROTATION
         if (Input.GetKey(KeyCode.UpArrow))
         {//rotate up by 10
             gameObject.transform.Rotate(-10f, 0, 0);
         }
         if (Input.GetKey(KeyCode.LeftArrow))
         {//rotate Left by 10
             gameObject.transform.Rotate(0, 0, -10f);
         }
         if (Input.GetKey(KeyCode.RightArrow))
         {//rotate Right by 10
             gameObject.transform.Rotate(0, 0, 10f);
         }
         if (Input.GetKey(KeyCode.DownArrow))
         {//rotate Down by 10
             gameObject.transform.Rotate(10f, 0, 0);
         }
 
 


Now I am wondering, Is there any way to restrict it so it doesn't go past a certain degree. I know it's called EulerAngels

But I don't know how to implement it into this, Do I do it in separate Parenthesis?

Thanks in advance

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Answer by UnityCoach · Dec 21, 2016 at 09:41 PM

You have to store intermediate values to limit them, something in the like of :

 private float xMin = -30;
 private float xMax = 30;
 void Update ()
 {
 //ROTATION
          if (Input.GetKey(KeyCode.UpArrow))
          {
             float x = 10f;
              if ((gameObject.transform.eulerAngles.x + x) < xMin)
                  x = xMin - gameObject.transform.eulerAngles.x;
              else if ((gameObject.transform.eulerAngles.x + x) > xMax)
                  x = xMax - gameObject.transform.eulerAngles.x;
 
              gameObject.transform.Rotate(x, 0, 0);
          }
 }

Though, rotations are tricky if you want to do this on all three axes.

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