1 files changed, 132 insertions, 0 deletions
diff --git a/AlienSurvival/Assets/Scripts/Test/TestFakeHeight.cs b/AlienSurvival/Assets/Scripts/Test/TestFakeHeight.cs
new file mode 100644
index 0000000..4cc13d1
--- /dev/null
+++ b/AlienSurvival/Assets/Scripts/Test/TestFakeHeight.cs
@@ -0,0 +1,132 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+
+//[ExecuteInEditMode]
+public class TestFakeHeight : MonoBehaviour
+{
+	[SerializeField] private Transform m_Shadow;
+	[SerializeField] private Vector3 m_Coord;
+
+
+	public float height {
+		get
+		{
+			return m_Height;
+		}
+		set
+		{
+			m_Height = value;
+		}
+	}
+	[SerializeField] private float m_Height; // current fake height 
+
+	public float x
+	{
+		get
+		{
+			return transform.position.x; 
+		}
+
+		set
+		{
+			Vector3 pos = transform.position;
+			pos.x = value;
+			transform.position = pos; 
+		}
+	}
+
+	public float y
+	{
+		get
+		{
+			return transform.position.y - m_Height;
+		}
+		set
+		{
+			Vector3 pos = transform.position;
+			pos.y = value + m_Height;
+			transform.position = pos;
+		}
+	}
+
+	public Vector3 position
+	{
+		get
+		{
+			Vector3 pos = new Vector3(x, y, height);
+			return pos;
+		}
+		set
+		{
+			height = value.z; // height先设置
+			x = value.x;
+			y = value.y;
+		}
+	}
+
+	public Vector2 positionOnGround
+	{
+		get
+		{
+			Vector2 pos = new Vector2(x, y);
+			return pos;
+		}
+		set
+		{
+			x = value.x;
+			y = value.y;
+		}
+	}
+
+	private SpriteRenderer m_SpriteRenderer;
+
+	private void OnEnable()
+	{
+		m_SpriteRenderer = GetComponent<SpriteRenderer>();
+	}
+
+	private void Start()
+	{
+		Project();
+	}
+
+	void Project()
+	{
+		Vector3 pos = transform.position;
+		pos.y = y + height;
+		transform.position = pos;
+
+		if (m_Shadow != null)
+		{
+			m_Shadow.position = new Vector3(transform.position.x, transform.position.y - m_Height, transform.position.z);
+		}
+
+		// 根据y设置sortOrder 
+		m_SpriteRenderer.sortingOrder = (int)(-y * 100);
+	}
+
+	void Update()
+    {
+		Project();
+	}
+
+#if UNITY_EDITOR
+
+	private void OnDrawGizmos()
+	{
+		// dash line 
+		Vector3 start = transform.position;
+		Vector3 end = start - new Vector3(0, m_Height, 0);
+
+		Handles.DrawDottedLine(start, end, 1f);
+		Handles.DrawWireCube(end, new Vector3(0.1f, 0.1f, 0f));
+
+	}
+
+#endif
+
+}