*

Unity/Assets/Scripts/VectorEx.cs

@@ -0,0 +1,14 @@
+using UnityEngine;
+using System.Collections;
+
+public static class VectorEx {
+	public static Vector2 Rotate(this Vector2 v, float degrees){
+		return v.RotateRadians(degrees * Mathf.Deg2Rad);
+	}
+	
+	public static Vector2 RotateRadians(this Vector2 v, float radians){
+		var ca = Mathf.Cos(radians);
+		var sa = Mathf.Sin(radians);
+		return new Vector2(ca*v.x - sa*v.y, sa*v.x + ca*v.y);
+	}
+}