import UnityEngine

[AddComponentMenu("Interface/Centre Ship Camera")]

class CentreShipCamera(MonoBehaviour):

    [SerializeField] m_target as Transform
    [SerializeField] m_zoomAxis = "Mouse ScrollWheel"
    [SerializeField] m_zoomSpeed = 1f
    [SerializeField] m_minZoom = 4f
    [SerializeField] m_maxZoom = 100f

    m_offset as Vector3
    m_normalizedOffset as Vector3
    m_fieldOfView as single

    def Start():
        m_offset = transform.position - m_target.position
        m_normalizedOffset = m_offset.normalized
        m_fieldOfView = (camera.orthographicSize if camera.isOrthoGraphic else camera.fieldOfView)

    def LateUpdate():
        m_fieldOfView *= 1f - Input.GetAxis(m_zoomAxis)*m_zoomSpeed
        m_fieldOfView = Mathf.Clamp(m_fieldOfView, m_minZoom, m_maxZoom)
        camera.orthographicSize = m_fieldOfView;
        camera.fieldOfView = m_fieldOfView
        transform.position = m_target.position + m_offset