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

[DisallowMultipleComponent]
[RequireComponent(typeof(SpriteRenderer))]
[RequireComponent(typeof(TopDownTransform))]
public class TopDownSorting : MonoBehaviour
{
	private SpriteRenderer m_SpriteRenderer;
	private TopDownTransform m_Coord;

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

	private void Update()
	{
		Sorting();
	}

	public void Sorting()
	{
		if(m_SpriteRenderer == null)
		{
			m_SpriteRenderer = GetComponent<SpriteRenderer>();
		}
		
		if(m_Coord == null)
		{
			m_Coord = GetComponent<TopDownTransform>();
		}

		// ¸ù¾ÝyÉèÖÃsortOrder 
		m_SpriteRenderer.sortingOrder = (int)(-m_Coord.position.y * 100);
	}

}