From 680b483c63b02a45d24d6537c9f6c0cdb8e3365b Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Wed, 6 Apr 2022 02:50:00 +0800
Subject: =?UTF-8?q?*=E7=8E=A9=E6=B3=95?=
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---
 .../Assets/Scripts/Test/TestTopDown2DTransform.cs  | 78 ++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 AlienSurvival/Assets/Scripts/Test/TestTopDown2DTransform.cs

(limited to 'AlienSurvival/Assets/Scripts/Test/TestTopDown2DTransform.cs')

diff --git a/AlienSurvival/Assets/Scripts/Test/TestTopDown2DTransform.cs b/AlienSurvival/Assets/Scripts/Test/TestTopDown2DTransform.cs
new file mode 100644
index 0000000..acfac68
--- /dev/null
+++ b/AlienSurvival/Assets/Scripts/Test/TestTopDown2DTransform.cs
@@ -0,0 +1,78 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class TestTopDown2DTransform : MonoBehaviour
+{
+	public bool useGravity = false;
+
+	public Vector3 position // x, y, h
+	{
+		get
+		{
+			Vector3 topdownPos = transform.position;
+			topdownPos.y -= h;
+			topdownPos.z = h;
+			return topdownPos;
+		}
+		set
+		{
+			h = value.z;
+			Vector3 realPos = transform.position;
+			realPos.y = value.y + h;
+			transform.position = realPos;
+		}
+	}
+
+	public float x
+	{
+		get
+		{
+			return position.x;
+		}
+	}
+
+	public float y
+	{
+		get
+		{
+			return position.y;
+		}
+	}
+
+	public float h = 0;
+
+	public float z
+	{
+		get
+		{
+			return transform.position.z; 
+		}
+	}
+
+	public float depth
+	{
+		get
+		{
+			return this.z;
+		}
+	}
+
+	private float vy = 0;
+
+	private void Update()
+	{
+		if (useGravity)
+		{
+			Vector3 pos = position;
+			vy += -9.8f * Time.deltaTime;
+			pos.z = Mathf.Max(pos.z + vy * Time.deltaTime, 0f);
+			if(pos.z == 0)
+			{
+				vy = 0;
+			}
+			position = pos;
+		}
+	}
+
+}
-- 
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