private void CheckInteraction()
{
Ray forward = playerCam.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(forward, out hit, maxInteractionDistance))
{
InteractiveObject o = hit.collider.gameObject.GetComponent <InteractiveObject>();
if (o != null)
{
o.highlighted = true;
if (Input.GetKeyDown(KeyCode.E))
{
o.DoSomething();
}
}
}
}