Good wheels keep on turnin' (problem...help!)

Hi,

I've asked for help about this before but to no avail unfortunately. I've got a child object that rotates with AddTorque on the Y-axis and the parent has a mouselook script on it using horisontal and vertical rotation input. The childs rotation is affected by the parents in such a way that it starts to rotate in all kinds of axis even though it's rigidbody is frozen except for y axis.

Here'smy code for the rotation of the child:

Code (CSharp):

1.   void Awake()
2.     {
3.         gO = GetComponent<Rigidbody>();
4.         gO.angularDrag = Random.Range(0f, 1.5f);
5.         Vector3 torque;
6.         torque.y = Random.Range(-200, 200);
7.         //gO.AddRelativeTorque(0f, 2000f, 0f, ForceMode.Impulse);
8.         gO.AddTorque(Vector3.left * torque.y, ForceMode.Impulse);
9.      
10.     }

And it works great unparented. And here's the parents mouselook code:

Code (CSharp):

1.        rotationX += Input.GetAxis("Mouse X") * lookSpeed;
2.             rotationY += Input.GetAxis("Mouse Y") * lookSpeed;
3.  
4.             transform.localRotation = Quaternion.AngleAxis(rotationX, Vector3.up);
5.             transform.localRotation *= Quaternion.AngleAxis(rotationY, Vector3.left);

I've been told to compensate for the parents rotation through script and the example was this code:

Code (CSharp):

1. private void LateUpdate(){
2.     wheel.transform.rotation = Quaternion.euler(Mathf.Sin(Mathf.Deg2Rad * Time.time), 0, 0);
3. }

But it also eliminates the child's "AddTorque" rotation. So it does compensate for the parents movements, but is there any way to counter the parents mouselook and still have the child object rotate with AddTorque? and if not, how do I make this work ?? I've been stuck on this for a while and I'd reaaally love som help. Thank you in advance

 

Forget about that for a moment.

I assume that you want the spinning object parented to the camera object because you want to have that spinning object to stay in the same location and orientation relative to the view. Is that right? If so, rather than adding torque to Vector3.left, have you tried simply adding torque to the object's transform.left instead?

 

You're absolutely right and no I haven't tried transform.left, but now that I've tried to write the code including the random range for the impulse, I can't get it to work. gO.AddTorque(transform.up* torque.y, ForceMode.Impulse); doesn't work. It only works if I don't move the mouse at all, and even then it's off-kilter. Do I have to change something in the lines before i.e.:

1. Vector3 torque;
2. torque.y = Random.Range(-200, 200);

 

I have now tried simplifying it to just gO.AddTorque(transform.up * torque, ForceMode.Force ); and it doesn't work. As soon as I look sideways, the wheel spins in the wrong directions. Do you have any Idea how I can make this work?