1 files changed, 123 insertions, 0 deletions

diff --git a/AlienSurvival/Assets/Scripts/Physics/Transform2D.cs b/AlienSurvival/Assets/Scripts/Physics/Transform2D.cs
new file mode 100644
index 0000000..813b0c6
--- /dev/null
+++ b/AlienSurvival/Assets/Scripts/Physics/Transform2D.cs
@@ -0,0 +1,123 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+// TopdownרÓõÄtransform 
+public class Transform2D : MonoBehaviour
+{
+	public const float ORTHO_FACTOR = 1f; // 45¡ã
+
+	public float alias_x
+	{
+		get
+		{
+			return z;
+		}
+	}
+
+	public float alias_y
+	{
+		get
+		{
+			return -x;
+		}
+	}
+
+	public float alias_h
+	{
+		get
+		{
+			return y;
+		}
+	}
+
+	public float x
+	{
+		get
+		{
+			return 0;
+		}
+	}
+
+	public float y
+	{
+		get
+		{
+			return 0;
+		}
+		set
+		{
+
+		}
+	}
+
+	public float z
+	{
+		get
+		{
+			return 0;
+		}
+		set
+		{
+
+		}
+	}
+
+	private Vector3 m_InnerPosition; // x, y, h
+
+	public Vector3 position // 
+	{
+		get
+		{
+			return m_InnerPosition;
+		}
+	}
+
+	public float angle
+	{
+		get
+		{
+			return 0; 
+		}
+		set
+		{
+
+		}
+	}
+
+	public Vector3 forward
+	{
+		get
+		{
+			return Vector3.zero;
+		}
+	}
+
+	public Vector3 up
+	{
+		get
+		{
+			return Vector3.zero;
+		}
+	}
+
+	public Vector3 right
+	{
+		get
+		{
+			return Vector3.zero;
+		}
+	}
+
+	public Vector2 orthocoord
+	{
+		get
+		{
+			Vector2 ortho = new Vector2();
+			ortho.x = x;
+			ortho.y = y + ORTHO_FACTOR * z;
+			return ortho;
+		}
+	}
+	
+}
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