修改水

Packages/com.waveharmonic.crest/Runtime/Scripts/Utility/Shared/Collections/BufferedData.cs

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+// Crest Water System
+// Copyright © 2024 Wave Harmonic. All rights reserved.
+
+using System;
+using UnityEngine;
+
+namespace WaveHarmonic.Crest.Utility
+{
+    /// <summary>
+    /// Circular buffer to store a multiple sets of data.
+    /// </summary>
+    sealed class BufferedData<T>
+    {
+        readonly T[] _Buffers;
+        int _CurrentFrameIndex;
+
+        public T Current { get => _Buffers[_CurrentFrameIndex]; set => _Buffers[_CurrentFrameIndex] = value; }
+        public int Size => _Buffers.Length;
+
+        public BufferedData(int size, Func<T> initialize)
+        {
+            _Buffers = new T[size];
+
+            for (var i = 0; i < size; i++)
+            {
+                _Buffers[i] = initialize();
+            }
+        }
+
+        public T Previous(int framesBack)
+        {
+            Debug.Assert(framesBack >= 0 && framesBack < _Buffers.Length);
+            return _Buffers[(_CurrentFrameIndex - framesBack + _Buffers.Length) % _Buffers.Length];
+        }
+
+        public void Flip()
+        {
+            _CurrentFrameIndex = (_CurrentFrameIndex + 1) % _Buffers.Length;
+        }
+
+        public void RunLambda(Action<T> lambda)
+        {
+            foreach (var buffer in _Buffers)
+            {
+                lambda(buffer);
+            }
+        }
+    }
+}