void OnTriggerExit(Collider otherCollider)
    {
        VentilatorAttachPoint attachPoint = otherCollider.GetComponentInParent <VentilatorAttachPoint>();

        if (attachPoint != null)
        {
            HideTooltip();
            ControllerInCollider = OVRInput.Controller.None;
        }
    }
    void OnTriggerEnter(Collider otherCollider)
    {
        VentilatorAttachPoint attachPoint = otherCollider.GetComponentInChildren <VentilatorAttachPoint>();

        OVRInput.Controller controller = Ventilator.GetComponentInChildren <OVRGrabbable>()?.grabbedBy?.Controller ?? OVRInput.Controller.None;

        if (attachPoint != null && controller != OVRInput.Controller.None && !Attached)
        {
            ControllerInCollider = controller;
            targetAttachPoint    = attachPoint;
            ShowAttachTooltip();
        }
    }