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Question by Sky2o · Feb 12, 2013 at 05:09 AM · quaternionrotategravitynormalize

How to rotate ?

Hi, I have this script

 public class Gravity : MonoBehaviour
 {
 public Transform planet;
 public float fallSpeed = 5;

 // Update is called once per frame
 void Update ()
 {
     Vector3 direction = ( transform.position - planet.transform.position);
     direction.Normalize();
     //Vector3 rotation = new Vector3(direction, 0, direction);
     transform.rotation = Quaternion.FromToRotation(transform.position, direction);
     Debug.DrawRay(transform.position, -direction * 6, Color.green);
     Debug.DrawRay(transform.position, Vector3.up * 3, Color.blue);
     
     transform.Translate(Vector3.down * fallSpeed * Time.deltaTime); 
     //Physics.gravity = -direction;    
             
 }        
 }

As it is now, the ojects fall down the planet but I can not rotate them. So how can I do that ?

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Answer by Sanky · Feb 12, 2013 at 06:04 AM

private void Update() { transform.Rotate(Vector3.forward Time.deltaTime 100); }

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Answer by Imankit · Feb 12, 2013 at 05:27 AM

Use transform.Rotate... See..

file:///Applications/Unity/Unity.app/Contents/Documentation/Documentation/ScriptReference/Transform.Rotate.html

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avatar image Sky2o · Feb 12, 2013 at 05:47 AM 0
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This don't work, because I use transform to rotate so all the time the down side of the object is pointing to the planet

transform.rotation = Quaternion.FromToRotation(transform.position, direction);

and right now every frame will rotate to the planet and will not rotate on y axis

so when I rotate towards the planet somehow I must bypass the y axis

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