130 lines
3.9 KiB
C#
130 lines
3.9 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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public class OrbitalPosition
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{
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public Int64 pRing = 0;
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public float DistanceFromCentre = 0;
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public float RadiusDistance = 0;
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public Transform owner = null;
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public OrbitalPosition(GameObject _owner)
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{
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pRing = GlobalOrbitalPositionManager.LastRingID;
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owner = _owner.transform;
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}
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public Vector3 TranslateToVec3() => new
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(
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x: DistanceFromCentre * Mathf.Cos(RadiusDistance),
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y: DistanceFromCentre * Mathf.Sin(RadiusDistance)
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);
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}
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public class Ring : MonoBehaviour
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{
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public Int64 ID;
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}
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public class GlobalOrbitalPositionManager : MonoBehaviour
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{
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static GlobalOrbitalPositionManager s_Instance = null;
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private readonly List<OrbitalPosition> m_ObjectInstances = new();
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private readonly List<Ring> m_Rings = new();
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private readonly Dictionary<Int64, float> m_Distances = new();
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private float m_TimeOfLastRingSpawn = float.NegativeInfinity;
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private Int64 m_LastGeneratedRing = 0;
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public static Int64 LastRingID => s_Instance.m_LastGeneratedRing;
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public static float GetDistanceOf(Int64 rowID) => s_Instance.m_Distances[rowID];
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[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)] private static void OnApplicationStart()
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{
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GameObject manager = new("GLOBAL ORBITAL MANAGER");
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DontDestroyOnLoad(manager);
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s_Instance = manager.AddComponent<GlobalOrbitalPositionManager>();
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}
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public void Update()
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{
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if (Time.time - m_TimeOfLastRingSpawn > GlobalOrbitalSettings.GapDistance)
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{
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GameObject newRing = Instantiate(GlobalOrbitalSettings.RingPrefab);
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newRing.transform.localScale = new Vector3(10f, 10f, 1);
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Ring ring = newRing.AddComponent<Ring>();
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ring.ID = m_LastGeneratedRing + 1;
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m_Rings.Add(ring);
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m_LastGeneratedRing = ring.ID;
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m_TimeOfLastRingSpawn = Time.time;
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}
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List<Ring> toRemove = new();
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int index = 0;
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m_Distances.Clear();
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foreach (Ring ring in m_Rings)
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{
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float diff = Time.deltaTime * GlobalOrbitalSettings.DistanceSpeed;
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ring.transform.localScale -= new Vector3(diff, diff, 0f);
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if (ring.transform.localScale.x < 0)
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{
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toRemove.Add(ring);
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}
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m_Distances[ring.ID] = ring.transform.localScale.x;
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index++;
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}
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foreach (Ring ring in toRemove)
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{
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m_Rings.Remove(ring);
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Destroy(ring.gameObject);
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}
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foreach (OrbitalPosition orbitalPosition in m_ObjectInstances)
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{
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if (!m_Distances.ContainsKey(orbitalPosition.pRing))
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orbitalPosition.pRing = m_LastGeneratedRing;
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float distance = m_Distances[orbitalPosition.pRing];
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orbitalPosition.DistanceFromCentre = distance;
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orbitalPosition.RadiusDistance = (orbitalPosition.RadiusDistance + (Time.deltaTime * GlobalOrbitalSettings.RadiusSpeed)) % (Mathf.PI * 2);
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orbitalPosition.owner.position = orbitalPosition.TranslateToVec3();
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}
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}
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public static void RegisterOrbitalPositionInstance(OrbitalPosition newInstance) =>
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s_Instance.m_ObjectInstances.Add(newInstance);
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public static void UnregisterOrbitalPositionInstance(OrbitalPosition removedInstance) =>
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s_Instance.m_ObjectInstances.Remove(removedInstance);
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}
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public abstract class OrbitalPositionBehaviour : MonoBehaviour
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{
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protected OrbitalPosition m_OrbitalPosition = null;
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private void Start()
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{
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m_OrbitalPosition = new OrbitalPosition(gameObject);
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GlobalOrbitalPositionManager.RegisterOrbitalPositionInstance(m_OrbitalPosition);
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OnStart();
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}
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private void OnDestroy() =>
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GlobalOrbitalPositionManager.UnregisterOrbitalPositionInstance(m_OrbitalPosition);
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public abstract void OnStart();
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}
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