Documentation, fixes, improvements

+Documentation update
+Fixed edge case when rewinding oldest value
+Properly supporting change of Time.timeScale at any point
+Cleaned CircularBuffer class
+Fixed unecessary memory usage even when user didnt opt to track certain attributes

Author: SitronX

Assets/TimeRewinder/Documentation/Unity Time Rewinder.pdf

@@ -79,17 +79,17 @@ AnimationClip:
       - serializedVersion: 3
         time: 0
         value: 0
-        inSlope: -1
-        outSlope: -1
+        inSlope: -0.99
+        outSlope: -0.99
         tangentMode: 34
         weightedMode: 0
         inWeight: 0.33333334
         outWeight: 0.33333334
       - serializedVersion: 3
         time: 1
-        value: -1
-        inSlope: -1
-        outSlope: -1
+        value: -0.99
+        inSlope: -0.99
+        outSlope: -0.99
         tangentMode: 34
         weightedMode: 0
         inWeight: 0.33333334
@@ -284,17 +284,17 @@ AnimationClip:
       - serializedVersion: 3
         time: 0
         value: 0
-        inSlope: -1
-        outSlope: -1
+        inSlope: -0.99
+        outSlope: -0.99
         tangentMode: 34
         weightedMode: 0
         inWeight: 0.33333334
         outWeight: 0.33333334
       - serializedVersion: 3
         time: 1
-        value: -1
-        inSlope: -1
-        outSlope: -1
+        value: -0.99
+        inSlope: -0.99
+        outSlope: -0.99
         tangentMode: 34
         weightedMode: 0
         inWeight: 0.33333334

Assets/TimeRewinder/TimeRewinderImplementation/Animations/AutoResizeAnim.anim

@@ -1,4 +1,5 @@
-using UnityEngine;
+using System;
+using UnityEngine;
 
 public class CircularBuffer <T>
 { 
@@ -14,7 +15,7 @@ public CircularBuffer()
     {
         try
         {
-            howManyRecordsPerSecond = Time.timeScale / Time.fixedDeltaTime;
+            howManyRecordsPerSecond = 1 / Time.fixedDeltaTime;
             bufferCapacity = (int)(RewindManager.Instance.HowManySecondsToTrack *howManyRecordsPerSecond);
             dataArray = new T[bufferCapacity];
             RewindManager.BuffersRestore += MoveLastBufferPosition;
@@ -61,30 +62,25 @@ public T ReadLastValue()
     /// <returns></returns>
     public T ReadFromBuffer(float seconds)
     {
-        int howManyBeforeLast = (int)(howManyRecordsPerSecond * seconds);
-
-        if((bufferCurrentPosition-howManyBeforeLast) <0)
-        {
-            int showingIndex = bufferCapacity - (howManyBeforeLast - bufferCurrentPosition);
-            return dataArray[showingIndex];
-        }
-        else
-        {
-            return dataArray[bufferCurrentPosition - howManyBeforeLast];
-        }
+        return dataArray[CalculateIndex(seconds)];
     }
     private void MoveLastBufferPosition(float seconds)
     {
-        int howManyBeforeLast=Mathf.RoundToInt(howManyRecordsPerSecond*seconds);
+        bufferCurrentPosition= CalculateIndex(seconds);    
+    }
+    private int CalculateIndex(float seconds)
+    {
+        double secondsRound = Math.Round(seconds, 2);
+        int howManyBeforeLast = (int)(howManyRecordsPerSecond * secondsRound);
 
-        int moveBy = - (howManyBeforeLast - bufferCurrentPosition) - 1;
+        int moveBy = bufferCurrentPosition - howManyBeforeLast;
         if (moveBy < 0)
         {
-            bufferCurrentPosition = bufferCapacity +moveBy;
+            return bufferCapacity + moveBy;
         }
         else
         {
-            bufferCurrentPosition -= (howManyBeforeLast+1);
-        }     
+            return bufferCurrentPosition- howManyBeforeLast;
+        }
     }
 }

Assets/TimeRewinder/TimeRewinderImplementation/Scripts/CircularBuffer.cs

@@ -20,12 +20,19 @@ public void MainInit()
 
         trackedActiveStates = new CircularBuffer<bool>();
         trackedTransformValues = new CircularBuffer<TransformValues>();
-        trackedVelocities = new CircularBuffer<VelocityValues>();
-        trackedAnimationTimes = new List<CircularBuffer<AnimationValues>>();
+
+        if(body!=null||body2!=null)
+            trackedVelocities = new CircularBuffer<VelocityValues>();
+
         if (animator != null)
+        {
+            trackedAnimationTimes = new List<CircularBuffer<AnimationValues>>();
             for (int i = 0; i < animator.layerCount; i++)
                 trackedAnimationTimes.Add(new CircularBuffer<AnimationValues>());
-        trackedAudioTimes = new CircularBuffer<AudioTrackedData>();
+        }
+           
+        if(audioSource!=null)
+            trackedAudioTimes = new CircularBuffer<AudioTrackedData>();
     }
     #region ActiveState
     CircularBuffer<bool> trackedActiveStates;