private void GrabSwitch()
{
Collider[] hits = Physics.OverlapSphere(transform.position + sphere.center,
sphere.radius);
if(hits.Length != 0) {
currentSwitch = hits[0].GetComponent<Switch>();
lr.enabled = true;
}
}
private void ReleaseSwitch()
{
currentSwitch = null;
lr.enabled = false;
}