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

/// <summary>
/// Ì«¿ÕÉäÏß
/// </summary>
public class TestSpaceBeam : MonoBehaviour
{
	[SerializeField] private GameObject m_Beam;

	TopDownTransform m_Coord; 

	List<GameObject> m_Beams = new List<GameObject>();

	float m_RotateSpeed = 5f;

	float m_Radius = 1f;

	int count = 8;

	float m_CurrentAngle = 0;

	private void Awake()
	{
		m_Coord = GetComponent<TopDownTransform>();
	}

	public void Set(Vector3 posTDS)
	{
		m_Coord.position = posTDS;

		Vector3 groundPos = m_Coord.positionOnGround;

		for(int i = 0; i < count; ++i)
		{
			float angle = Mathf.PI * 2f / (float)count * i;
			Vector3 pos = /*groundPos +*/ new Vector3(m_Radius * Mathf.Cos(angle), m_Radius * Mathf.Sin(angle), 0f);
			GameObject beam = Instantiate<GameObject>(m_Beam, this.transform);
			beam.GetComponent<TopDownTransform>().localPosition = pos;
			beam.SetActive(true);
			m_Beams.Add(beam);
		}
	}

    void Update()
    {
		m_CurrentAngle += m_RotateSpeed * Time.deltaTime;

		RotateBeams(m_CurrentAngle);
	}

	/// <summary>
	/// Ðýת
	/// </summary>
	/// <param name="angle">»¡¶È</param>
	void RotateBeams(float angle)
	{
		Vector3 groundPos = m_Coord.positionOnGround;

		for (int i = 0; i < m_Beams.Count; ++i)
		{
			float rad = angle + Mathf.PI * 2f / (float)count * i;
			Vector3 pos = /*groundPos + */new Vector3(m_Radius * Mathf.Cos(rad), m_Radius * Mathf.Sin(rad), 0f);
			m_Beams[i].GetComponent<TopDownTransform>().localPosition = pos;
		}

	}

}