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Question by ItArth · Jan 23, 2020 at 10:23 PM · scripting problemrotate

Rotate an object where you are looking

When i grab a item in this case a ball, i try to rotate it using mouse scroll wheel, but its rotate in the x rotate position, How i can change it and rotate the ball where the player are looking.? using Raycast pd: i am beginner :(.

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Answer by lgarczyn · Jan 25, 2020 at 01:23 AM

To rotate an object, you need to know the axis of rotation.

If you want it to rotate around a ray coming from the player, you need this:

 Vector3 axis = object.transform.position - player.transform.position;

If you want it to rotate perpendicularly to that ray, you probably want this

   Vector3 axis = Quaternion.Euleur(0, 90, 0) *  (object.transform.position - player.transform.position);

Once you have your axis, you need an angle, you probably want something like:

  float angle = rotationSpeed * Time.deltaTime * Input.mouseScrollData;

Now, just apply that rotation:

 object.transform.Rotate(axis, angle, Space.World);
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avatar image ItArth · Jan 25, 2020 at 05:07 PM 0
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And how i can put that in this script?

   anim.SetBool("Use", useAnim);
             shootObject = input$$anonymous$$anager.GetButtonDown("Fire2");
 
             if (Physics.Raycast(Camera.main.transform.position, Camera.main.transform.forward, out hit, rayLenght, Ray$$anonymous$$ask))
             {
                 if (hit.transform.tag == "Pick")
                 {
                     if (!hasPlayer)
                     {
                         useAnim = true;
                         Reticle.color = useColor;
                     }
                     if (input$$anonymous$$anager.GetButtonDown("Use"))
                     {
                         SetNewTransform(hit.transform);
                         currentTransform.gameObject.layer = 10;
                         hasPlayer = true;
                         useAnim = false;
                     }
                 }
                 else
                     ResetUse();
             }
             else
                 ResetUse();
 
             void ResetUse()
             {
                 if (!hasPlayer)
                 {
                     useAnim = false;
                     Reticle.color = defaultColor;
                 }
             }
 
             if (input$$anonymous$$anager.GetButtonDown("Fire1") && hasPlayer)
             {
                 $$anonymous$$inematicsAndColliders();
                 RemoveTransform();
             }
             if (shootObject && hasPlayer)
             {
                 $$anonymous$$inematicsAndColliders();
                 StartCoroutine(RemoveDelay());
             }
 
             if (currentTransform)
                 $$anonymous$$oveTransformAround();
 
             if (hasPlayer)
             {
                 if (Input.GetAxis("$$anonymous$$ouse ScrollWheel") > 0f) //Forward
                 {
                     currentTransform.transform.Rotate(5, 0, 0);
                 }
                 else if (Input.GetAxis("$$anonymous$$ouse ScrollWheel") < 0f) //Backwards
                 {
                     currentTransform.transform.Rotate(-5, 0, 0);
                 }
             }

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