1 files changed, 33 insertions, 0 deletions
diff --git a/MathExtensions.cs b/MathExtensions.cs
new file mode 100644
index 0000000..81db592
--- /dev/null
+++ b/MathExtensions.cs
@@ -0,0 +1,33 @@
+using System.Numerics;
+
+namespace OnekoOnline;
+
+static class MathExtensions
+{
+    public static Vector2 LimitLength(this Vector2 toLimit, float lengthLimit)
+    {
+        float length = toLimit.Length();
+        if (toLimit == Vector2.Zero) return Vector2.Zero;
+        return Vector2.Normalize(toLimit) * MathF.Min(length, lengthLimit);
+    }
+
+    public static Vector2 Round(this Vector2 toRound)
+    {
+        return new(MathF.Round(toRound.X), MathF.Round(toRound.Y));
+    }
+}
+
+public static class Directions
+{
+    public static readonly Vector2 Up = new(0,-1);
+    public static readonly Vector2 Down = new(0,1);
+    public static readonly Vector2 Left = new(-1,0);
+    public static readonly Vector2 Right = new(1,0);
+
+    public static readonly Vector2 UpLeft = Vector2.Normalize(Up+Left);
+    public static readonly Vector2 UpRight = Vector2.Normalize(Up+Right);
+    public static readonly Vector2 DownLeft = Vector2.Normalize(Down+Left);
+    public static readonly Vector2 DownRight = Vector2.Normalize(Down+Right);
+
+    public static readonly Vector2[] AllDirections = [Up,Down,Left,Right,UpLeft,UpRight,DownLeft,DownRight];
+}
+\ No newline at end of file