From 9cd6e6cc7bbe9604d27ca0491398628c8ce4c021 Mon Sep 17 00:00:00 2001
From: cosmonaut <evan@moonside.games>
Date: Wed, 3 Aug 2022 16:15:47 -0700
Subject: [PATCH] add Vector2.Rotate methods

---
 src/Math/Fixed/Vector2.cs | 13 +++++++++++++
 src/Math/Float/Vector2.cs | 13 +++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/src/Math/Fixed/Vector2.cs b/src/Math/Fixed/Vector2.cs
index c2615541..be63811c 100644
--- a/src/Math/Fixed/Vector2.cs
+++ b/src/Math/Fixed/Vector2.cs
@@ -674,6 +674,19 @@ namespace MoonWorks.Math.Fixed
 			}
 		}
 
+		/// <summary>
+		/// Rotates a Vector2 by an angle.
+		/// </summary>
+		/// <param name="vector">The vector to rotate.</param>
+		/// <param name="angle">The angle in radians.</param>
+		public static Vector2 Rotate(Vector2 vector, Fix64 angle)
+		{
+			return new Vector2(
+				vector.X * Fix64.Cos(angle) - vector.Y * Fix64.Sin(angle),
+				vector.X * Fix64.Sin(angle) + vector.Y * Fix64.Cos(angle)
+			);
+		}
+
 		#endregion
 
 		#region Public Static Operators
diff --git a/src/Math/Float/Vector2.cs b/src/Math/Float/Vector2.cs
index e9cffb70..e4e52be7 100644
--- a/src/Math/Float/Vector2.cs
+++ b/src/Math/Float/Vector2.cs
@@ -1088,6 +1088,19 @@ namespace MoonWorks.Math.Float
 			}
 		}
 
+		/// <summary>
+		/// Rotates a Vector2 by an angle.
+		/// </summary>
+		/// <param name="vector">The vector to rotate.</param>
+		/// <param name="angle">The angle in radians.</param>
+		public static Vector2 Rotate(Vector2 vector, float angle)
+		{
+			return new Vector2(
+				vector.X * (float) System.Math.Cos(angle) - vector.Y * (float) System.Math.Sin(angle),
+				vector.X * (float) System.Math.Sin(angle) + vector.Y * (float) System.Math.Cos(angle)
+			);
+		}
+
 		#endregion
 
 		#region Public Static Operators