Moved throttle adj to Instrument manager and made altimeter

Assets/Scripts/Altimeter.cs

@@ -1,7 +1,27 @@
+using Unity.VisualScripting;
 using UnityEngine;
 
 public class Altimeter : MonoBehaviour
 {
-    void Start() { }
-    void Update() { }
+    [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
+    }
 }

Assets/Scripts/InstrumentManager.cs

@@ -1,16 +1,63 @@
 using UnityEngine;
+using UnityEngine.InputSystem;
+using UnityEngine.UI;
 
 public class InstrumentManager : MonoBehaviour
 {
-    // Start is called once before the first execution of Update after the MonoBehaviour is created
-    void Start()
+    [Header("Input")]
+    public InputActionReference throttleAction; // Your Input Action reference
+
+    [Header("Throttle Settings")]
+    public float rampSpeed = 1f; // Units per second
+
+    [Header("References")]
+    public MainEngine mainEngine; // Reference to your engine script
+    // Referance to TextMeshPro Throttle slider
+    public Slider throttleDisplay; // Reference to UI Slider component
+
+    void OnEnable()
     {
-        
+        if (throttleAction != null)
+        {
+            throttleAction.action.Enable();
+            Debug.Log("Throttle action enabled.");
+        }
+        else
+        {
+            Debug.LogWarning("Throttle action reference is not set!");
+        }
+    }
+
+    void OnDisable()
+    {
+        if (throttleAction != null)
+            throttleAction.action.Disable();
     }
 
-    // Update is called once per frame
     void Update()
     {
+        if (throttleAction == null || mainEngine == null)
+            return;
+
+        // Read input (-1, 0, +1)
+        float input = throttleAction.action.ReadValue<float>();
         
+        // Debug what the input is reading
+        //Debug.Log($"Input value: {input}");
+
+        // Calculate new throttle target
+        float target = mainEngine.throttleInput + input * rampSpeed * Time.deltaTime;
+
+        // Clamp between 0 and 1
+        mainEngine.throttleInput = Mathf.Clamp01(target);
+
+        // Debug the throttle value
+        //Debug.Log($"Throttle value: {mainEngine.throttleInput}");
+
+        // Update the throttle display
+        if (throttleDisplay != null)
+        {
+            throttleDisplay.value = mainEngine.throttleInput;
+        }
     }
 }

Assets/Scripts/RocketPhysics.cs

@@ -2,6 +2,10 @@ using UnityEngine;
 
 public class RocketPhysics : MonoBehaviour
 {
+    [Header("References")]
+    public MainEngine mainEngine;
+
+
     // Start is called once before the first execution of Update after the MonoBehaviour is created
     void Start()
     {