From ba1faafd285f15c7c91720371f9f0ecd96fa6b27 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 18 Apr 2022 10:08:33 +0800
Subject: *bomb

---
 AlienSurvival/Assets/Test/Scripts/TestMathHelper.cs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 AlienSurvival/Assets/Test/Scripts/TestMathHelper.cs

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

diff --git a/AlienSurvival/Assets/Test/Scripts/TestMathHelper.cs b/AlienSurvival/Assets/Test/Scripts/TestMathHelper.cs
new file mode 100644
index 0000000..e2ca833
--- /dev/null
+++ b/AlienSurvival/Assets/Test/Scripts/TestMathHelper.cs
@@ -0,0 +1,16 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class TestMathHelper : MonoBehaviour
+{
+
+	public static Vector2 Rotate(Vector2 v, float delta)
+	{
+		return new Vector2(
+			v.x * Mathf.Cos(delta) - v.y * Mathf.Sin(delta),
+			v.x * Mathf.Sin(delta) + v.y * Mathf.Cos(delta)
+		);
+	}
+
+}
\ No newline at end of file
-- 
cgit v1.1-26-g67d0