1 files changed, 43 insertions, 0 deletions

diff --git a/AlienSurvival/Assets/Scripts/Test/TestMathHelper.cs b/AlienSurvival/Assets/Scripts/Test/TestMathHelper.cs
new file mode 100644
index 0000000..239d8ed
--- /dev/null
+++ b/AlienSurvival/Assets/Scripts/Test/TestMathHelper.cs
@@ -0,0 +1,43 @@
+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)
+		);
+	}
+
+	/// <summary>
+	/// ·µ»Ø½Ç¶È
+	/// </summary>
+	/// <param name="vector2"></param>
+	/// <returns></returns>
+	public static float Angle(Vector2 vector2)
+	{
+		return 360 - (Mathf.Atan2(vector2.y, vector2.x) * Mathf.Rad2Deg * Mathf.Sign(vector2.y));
+	}
+
+	public static int Check(bool condition)
+	{
+		return condition ? 1 : 0;
+	}
+
+	//public static float Angle(Vector2 vector2)
+	//{
+	//	if (vector2.x < 0)
+	//	{
+	//		return 360 - (Mathf.Atan2(vector2.x, vector2.y) * Mathf.Rad2Deg * -1);
+	//	}
+	//	else
+	//	{
+	//		return Mathf.Atan2(vector2.x, vector2.y) * Mathf.Rad2Deg;
+	//	}
+	//}
+
+}
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