Optimize: RandomEx.Create

AnnulusGames · Aug 20, 2024 · dd3d111 · dd3d111
1 parent d27a5ab
commit dd3d111
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/RandomExtensions/RandomEx.Shared.cs b/src/RandomExtensions/RandomEx.Shared.cs
@@ -1,7 +1,10 @@
-namespace RandomExtensions;
+namespace RandomExtensions;
 
 public static partial class RandomEx
 {
+    [ThreadStatic] static Random? seedGenerator;
+    static Random SeedGenerator => seedGenerator ??= new();
+
     /// <summary>
     /// Provides a thread-safe IRandom instance that may be used concurrently from any thread.
     /// </summary>
@@ -12,7 +15,7 @@ public static partial class RandomEx
     /// </summary>
     public static IRandom Create()
     {
-        return new Xoshiro256StarStarRandom((uint)new Random().Next());
+        return new Xoshiro256StarStarRandom((uint)SeedGenerator.Next());
     }
 }