GamePackages/ScienceLab.TypesOfMotion
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Game Master
2026-02-18 00:08:49 +02:00
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Assets/Scripts/MoonOrbitSaturn.cs Normal file
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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class MoonOrbitSaturn : MonoBehaviour
{
public Transform saturn;
public SaturnMoonType moonType = SaturnMoonType.Mimas;
public bool autoCalculateOrbit = true;
public float manualOrbitRadius = 10f;
public float orbitInclination = 0f;
public float startAngleDegrees = 0f;
public float timeScale = 10f;
public float orbitScaleMultiplier = 4f;
public bool showDebugInfo = false;
private const float SATURN_RADIUS_KM = 58232f;
private const float MIMAS_DISTANCE_KM = 185539f;
private const float MIMAS_PERIOD_HOURS = 22.6f;
private const float ENCELADUS_DISTANCE_KM = 237948f;
private const float ENCELADUS_PERIOD_HOURS = 32.9f;
private const float TETHYS_DISTANCE_KM = 294619f;
private const float TETHYS_PERIOD_HOURS = 45.3f;
private const float DIONE_DISTANCE_KM = 377396f;
private const float DIONE_PERIOD_HOURS = 65.7f;
private const float RHEA_DISTANCE_KM = 527108f;
private const float RHEA_PERIOD_HOURS = 108.4f;
private const float TITAN_DISTANCE_KM = 1221870f;
private const float TITAN_PERIOD_HOURS = 382.7f;
private const float IAPETUS_DISTANCE_KM = 3560820f;
private const float IAPETUS_PERIOD_HOURS = 1903.7f;
private float orbitRadius;
private float angularSpeed;
private float currentAngle;
public enum SaturnMoonType
{
Mimas,
Enceladus,
Tethys,
Dione,
Rhea,
Titan,
Iapetus
}
void Start()
{
if (saturn == null)
{
saturn = GameObject.Find("Saturn")?.transform;
if (saturn == null)
{
enabled = false;
return;
}
}
CalculateOrbit();
SetInitialPosition();
}
void CalculateOrbit()
{
float saturnRadius = saturn.localScale.x / 2f;
if (autoCalculateOrbit)
{
switch (moonType)
{
case SaturnMoonType.Mimas:
orbitRadius = saturnRadius * (MIMAS_DISTANCE_KM / SATURN_RADIUS_KM);
angularSpeed = (2f * Mathf.PI / (MIMAS_PERIOD_HOURS * 3600f)) * timeScale;
orbitInclination = 1.57f;
break;
case SaturnMoonType.Enceladus:
orbitRadius = saturnRadius * (ENCELADUS_DISTANCE_KM / SATURN_RADIUS_KM);
angularSpeed = (2f * Mathf.PI / (ENCELADUS_PERIOD_HOURS * 3600f)) * timeScale;
orbitInclination = 0.02f;
break;
case SaturnMoonType.Tethys:
orbitRadius = saturnRadius * (TETHYS_DISTANCE_KM / SATURN_RADIUS_KM);
angularSpeed = (2f * Mathf.PI / (TETHYS_PERIOD_HOURS * 3600f)) * timeScale;
orbitInclination = 1.09f;
break;
case SaturnMoonType.Dione:
orbitRadius = saturnRadius * (DIONE_DISTANCE_KM / SATURN_RADIUS_KM);
angularSpeed = (2f * Mathf.PI / (DIONE_PERIOD_HOURS * 3600f)) * timeScale;
orbitInclination = 0.02f;
break;
case SaturnMoonType.Rhea:
orbitRadius = saturnRadius * (RHEA_DISTANCE_KM / SATURN_RADIUS_KM);
angularSpeed = (2f * Mathf.PI / (RHEA_PERIOD_HOURS * 3600f)) * timeScale;
orbitInclination = 0.35f;
break;
case SaturnMoonType.Titan:
orbitRadius = saturnRadius * (TITAN_DISTANCE_KM / SATURN_RADIUS_KM);
angularSpeed = (2f * Mathf.PI / (TITAN_PERIOD_HOURS * 3600f)) * timeScale;
orbitInclination = 0.33f;
break;
case SaturnMoonType.Iapetus:
orbitRadius = saturnRadius * (IAPETUS_DISTANCE_KM / SATURN_RADIUS_KM);
angularSpeed = (2f * Mathf.PI / (IAPETUS_PERIOD_HOURS * 3600f)) * timeScale;
orbitInclination = 15.47f;
break;
}
orbitRadius *= orbitScaleMultiplier;
}
else
{
orbitRadius = manualOrbitRadius;
float period = GetPeriod() * 3600f;
angularSpeed = (2f * Mathf.PI / period) * timeScale;
}
}
float GetPeriod()
{
switch (moonType)
{
case SaturnMoonType.Mimas: return MIMAS_PERIOD_HOURS;
case SaturnMoonType.Enceladus: return ENCELADUS_PERIOD_HOURS;
case SaturnMoonType.Tethys: return TETHYS_PERIOD_HOURS;
case SaturnMoonType.Dione: return DIONE_PERIOD_HOURS;
case SaturnMoonType.Rhea: return RHEA_PERIOD_HOURS;
case SaturnMoonType.Titan: return TITAN_PERIOD_HOURS;
case SaturnMoonType.Iapetus: return IAPETUS_PERIOD_HOURS;
default: return MIMAS_PERIOD_HOURS;
}
}
void SetInitialPosition()
{
currentAngle = startAngleDegrees * Mathf.Deg2Rad;
UpdatePosition();
}
void Update()
{
currentAngle += angularSpeed * Time.deltaTime;
UpdatePosition();
}
void UpdatePosition()
{
float x = Mathf.Cos(currentAngle) * orbitRadius;
float z = Mathf.Sin(currentAngle) * orbitRadius;
float inclinationRad = orbitInclination * Mathf.Deg2Rad;
float y = z * Mathf.Sin(inclinationRad);
z = z * Mathf.Cos(inclinationRad);
transform.position = saturn.position + new Vector3(x, y, z);
}
void OnDrawGizmos()
{
if (saturn == null) return;
Gizmos.color = Color.white;
int segments = 64;
Vector3 prevPos = GetOrbitPoint(0f);
for (int i = 1; i <= segments; i++)
{
Vector3 newPos = GetOrbitPoint(i * 2f * Mathf.PI / segments);
Gizmos.DrawLine(prevPos, newPos);
prevPos = newPos;
}
}
Vector3 GetOrbitPoint(float angle)
{
float x = Mathf.Cos(angle) * orbitRadius;
float z = Mathf.Sin(angle) * orbitRadius;
float inclinationRad = orbitInclination * Mathf.Deg2Rad;
float y = z * Mathf.Sin(inclinationRad);
z = z * Mathf.Cos(inclinationRad);
return saturn.position + new Vector3(x, y, z);
}
}