using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class solarSystem : MonoBehaviour
{

	public GameObject sun;
	public float speed;
	public bool useDistance;
	public List<GameObject> planets = new List<GameObject> ();
	//a script to make a simple solar system, where every planet rotates according to the distance to the sun
	void Start ()
	{
		Component[] components = GetComponentsInChildren (typeof(Transform));
		//get all the planets inside the solar system
		foreach (Component c in components) {
			if (c.CompareTag ("moving")) {
				planets.Add (c.gameObject);
			}
		}
	}

	void Update ()
	{
		int planetsCount = planets.Count;

		Vector3 sunPosition = sun.transform.position;

		for (int i = 0; i < planets.Count; i++) {
			float distance = GKC_Utils.distance (sunPosition, planets [i].transform.position);

			if (useDistance) {
				planets [i].transform.RotateAround (sunPosition, planets [i].transform.up, (speed / (distance / 20)) * Time.deltaTime);
			} else {
				planets [i].transform.RotateAround (sunPosition, planets [i].transform.up, speed * Time.deltaTime);
			}
		}
	}
}