update

Packages/Runtime~/Core/DesignPatterns/DoubleBuffer.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+
+namespace BITKit
+{
+
+	public interface IDoubleBuffer<T>
+	{
+		T Current { get; }
+		void Release(T newValue);
+		event Action<T> OnRelease;
+		bool TryGetRelease(out T result);
+	}
+
+	public class DoubleBuffer<T> : IDoubleBuffer<T>
+	{
+		public T Current
+		{
+			get;
+			// ReSharper disable once MemberCanBePrivate.Global
+			protected set;
+		}
+
+		public void Release(T newValue)
+		{
+			Current = newValue;
+			OnRelease?.Invoke(newValue);
+		}
+
+		public event Action<T> OnRelease;
+		private readonly Queue<T> _releases = new();
+
+		public bool TryGetRelease(out T result)
+		{
+			return _releases.TryDequeue(out result);
+		}
+	}
+}

Packages/Runtime~/Core/DesignPatterns/DoubleBuffer.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: aa92f9c5ddad64741a2a86086b4fc977
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: