Flashback rewind

 key =  
 killKey =  
 flashbacklength =  
 flashbackspeed =  

  :()  .Loaded:()  

 name =  
 frames, uis, LP, RS = {}, :(), :().LocalPlayer, :()


 VRService = :()
 VRService.VREnabled    

:().DevComputerMovementMode = .DevComputerMovementMode.KeyboardMouse
:().DevTouchMovementMode = .DevTouchMovementMode.Thumbstick

  LP   uis    

(RS.UnbindFromRenderStep, RS, name) 

  ()
    LP.Character  LP.CharacterAdded:()


 (c)
    c  (c:()  c.RootPart  c.PrimaryPart  c:()  c:()  c:())


 flashback = { lastinput = , canrevert =  }

 flashback:(char, hrp, hum, allowinput)
     char   hrp   hum    
    #frames > flashbacklength *   
       .(frames, )
   

    allowinput   self.canrevert 
       self.canrevert = 
   

    self.lastinput  
       hum.PlatformStand = 
       self.lastinput = 
   

   .(frames, {
       hrp.CFrame,
       hrp.Velocity,
       hum:(),
       hum.PlatformStand,
       char:()
   })


 flashback:(char, hrp, hum)
     char   hrp   hum  #frames ==    self.canrevert 
       self.canrevert = 
       self:(char, hrp, hum)
       
   

    num = #frames
    i = , flashbackspeed  
       .(frames, num)
       num = num - 
   
   
   self.lastinput = 
    lastframe = frames[num]
   .(frames, num)
   hrp.CFrame = lastframe[]
   hrp.Velocity = -lastframe[]
   hum:(lastframe[])
   hum.PlatformStand = lastframe[] 
   
    currenttool = char:()
    lastframe[]  
         currenttool 
           hum:(lastframe[])
       
   
       hum:()
   


  ()
    char = ()
    hrp = (char)
    hum = char  char:()
     char   hrp   hum    
   
    uis:(.KeyCode[key])  
       flashback:(char, hrp, hum)
   
       flashback:(char, hrp, hum, )
   
   
    uis:(.KeyCode[killKey])  
       RS:(name)
       :()
   



(()
   RS:(name, , step)
)