Added basic orbital spinning

Assets/Scripts/OrbitalPosition.cs

@@ -0,0 +1,69 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+public class OrbitalPosition : MonoBehaviour
+{
+    public float DistanceFromCentre = 0;
+    public float RadiusDistance = 0;
+
+    public Vector3 TranslateToVec3() => new
+    (
+        x: DistanceFromCentre * Mathf.Cos(RadiusDistance),
+        y: DistanceFromCentre * Mathf.Sin(RadiusDistance)
+    );
+}
+
+public class GlobalOrbitalPositionManager : MonoBehaviour
+{
+    static GlobalOrbitalPositionManager s_Instance = null;
+
+    List<OrbitalPosition> m_ObjectInstances = new();
+
+    [SerializeField, Range(0f, 1f)] float m_RadiusSpeed = 0.5f;
+    [SerializeField, Range(0f, 1f)] float m_DistanceSpeed = 0.5f;
+
+    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
+    private static void OnApplicationStart()
+    {
+        GameObject manager = new("GLOBAL ORBITAL MANAGER");
+        DontDestroyOnLoad(manager);
+
+        s_Instance = manager.AddComponent<GlobalOrbitalPositionManager>();
+    }
+
+    public void Update()
+    {
+        foreach (OrbitalPosition orbitalPosition in m_ObjectInstances)
+        {
+            orbitalPosition.DistanceFromCentre = Mathf.Clamp(orbitalPosition.DistanceFromCentre - (m_DistanceSpeed * Time.deltaTime * m_DistanceSpeed), 0f, float.PositiveInfinity);
+            orbitalPosition.RadiusDistance = (orbitalPosition.RadiusDistance + (m_RadiusSpeed * Time.deltaTime * m_RadiusSpeed)) % (Mathf.PI * 2);
+
+            orbitalPosition.gameObject.transform.position = orbitalPosition.TranslateToVec3();
+        }
+    }
+
+    public static void RegisterOrbitalPositionInstance(OrbitalPosition newInstance) =>
+        s_Instance.m_ObjectInstances.Add(newInstance);
+
+    public static void UnregisterOrbitalPositionInstance(OrbitalPosition removedInstance) =>
+        s_Instance.m_ObjectInstances.Remove(removedInstance);
+}
+
+[RequireComponent(typeof(OrbitalPosition))]
+public abstract class OrbitalPositionBehaviour : MonoBehaviour
+{
+    protected OrbitalPosition m_OrbitalPosition = null;
+
+    private void Start()
+    {
+        m_OrbitalPosition = GetComponent<OrbitalPosition>();
+        GlobalOrbitalPositionManager.RegisterOrbitalPositionInstance(m_OrbitalPosition);
+
+        OnStart();
+    }
+
+    private void OnDestroy() =>
+        GlobalOrbitalPositionManager.UnregisterOrbitalPositionInstance(m_OrbitalPosition);
+
+    public abstract void OnStart();
+}