* rename AlienSurvival project to SurvivalTest

1 files changed, 40 insertions, 0 deletions

diff --git a/SurvivalTest/Assets/Scripts/TopDown/TopDownSorting.cs b/SurvivalTest/Assets/Scripts/TopDown/TopDownSorting.cs
new file mode 100644
index 0000000..3ee2f0a
--- /dev/null
+++ b/SurvivalTest/Assets/Scripts/TopDown/TopDownSorting.cs
@@ -0,0 +1,40 @@
+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);
+	}
+
+}