using Unity.VisualScripting;
using UnityEngine;

public class Altimeter : MonoBehaviour
{
    [Header("References")]
    public Rigidbody rocketRigidbody; // Reference to the rocket's Rigidbody
    [Header("Data")]
    public double altitude = 0; // Current altitude
    public double gh = 9.81f; // Gravitational acceleration

    [Header("Settings")]
    [SerializeField] private double G = 6.67408f * Mathf.Pow(10, -11); // Gravitational constant
    [SerializeField] private double M = 5.972f * Mathf.Pow(10, 24); // Mass of Earth
    [SerializeField] private double RE = 6.372f * Mathf.Pow(10, 6); // Radius of Earth
    private double GM; // Gravitational parameter (G * M)

    void Start()
    {
        GM = G * M; // Calculate the gravitational parameter
    }
    void Update()
    {
        altitude = rocketRigidbody.position.y; // Update altitude based on the rocket's vertical position
        gh = (double)(GM / Mathf.Pow((float)(RE + altitude), 2)); // Calculate gravitational acceleration at current altitude
    }
}