BEPUphysics

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"   at System.Math.Sign(Single value)
   at BEPUphysics.CollisionShapes.ConvexShapes.CylinderShape.GetLocalExtremePointWithoutMargin(Vector3& direction, Vector3& extremePoint) in C:\\Users\\Mike\\Desktop\\bepuReplay\\bepuPhysics\\CollisionShapes\\ConvexShapes\\CylinderShape.cs:line 93
   at BEPUphysics.CollisionShapes.ConvexShapes.CylinderShape.GetBoundingBox(RigidTransform& shapeTransform, BoundingBox& boundingBox) in C:\\Users\\Mike\\Desktop\\bepuReplay\\bepuPhysics\\CollisionShapes\\ConvexShapes\\CylinderShape.cs:line 53
   at BEPUphysics.Collidables.MobileCollidables.ConvexCollidable`1.UpdateBoundingBoxInternal(Single dt) in C:\\Users\\Mike\\Desktop\\bepuReplay\\bepuPhysics\\BroadPhaseEntries\\MobileCollidables\\ConvexCollidable.cs:line 86
   at BEPUphysics.Collidables.MobileCollidables.EntityCollidable.UpdateBoundingBox(Single dt) in C:\\Users\\Mike\\Desktop\\bepuReplay\\bepuPhysics\\BroadPhaseEntries\\MobileCollidables\\EntityCollidable.cs:line 144
   at BEPUphysics.OtherSpaceStages.BoundingBoxUpdater.LoopBody(Int32 i) in C:\\Users\\Mike\\Desktop\\bepuReplay\\bepuPhysics\\OtherSpaceStages\\BoundingBoxUpdater.cs:line 51
   at BEPUphysics.OtherSpaceStages.BoundingBoxUpdater.UpdateSingleThreaded() in C:\\Users\\Mike\\Desktop\\bepuReplay\\bepuPhysics\\OtherSpaceStages\\BoundingBoxUpdater.cs:line 83
   at BEPUphysics.MultithreadedProcessingStage.Update() in C:\\Users\\Mike\\Desktop\\bepuReplay\\bepuPhysics\\MultithreadedProcessingStage.cs:line 59
   at BEPUphysics.Space.DoTimeStep() in C:\\Users\\Mike\\Desktop\\bepuReplay\\bepuPhysics\\Space.cs:line 495
   at BEPUphysics.Space.Update(Single dt) in C:\\Users\\Mike\\Desktop\\bepuReplay\\bepuPhysics\\Space.cs:line 531
   at PredictiveBehavior.CLIENT.Update(GameTime gameTime) in C:\\Users\\Mike\\Desktop\\bepuReplay\\PredictiveBehavior\\Client.cs:line 358
   at Microsoft.Xna.Framework.Game.Tick()
   at Microsoft.Xna.Framework.Game.HostIdle(Object sender, EventArgs e)
   at Microsoft.Xna.Framework.GameHost.OnIdle()
   at Microsoft.Xna.Framework.WindowsGameHost.ApplicationIdle(Object sender, EventArgs e)
   at System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FDoIdle(Int32 grfidlef)
   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.Run(Form mainForm)
   at Microsoft.Xna.Framework.WindowsGameHost.Run()
   at Microsoft.Xna.Framework.Game.Run()
   at PredictiveBehavior.Program.Main(String[] args) in C:\\Users\\Mike\\Desktop\\bepuReplay\\PredictiveBehavior\\Program.cs:line 14"

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  [Serializable]
    public struct State
    {

        public Quaternion Orientation;        
        public Vector3 Position;
	public Vector3 AngularVelocity; 
	public Vector3 LinearVelocity; 
	public Vector3 LinearMomentum;
        public float Yaw, Pitch;

        public static State GetFromCharacterController(CharacterControllerInput controller)
        {
            
            var body = controller.CharacterController.Body;            
            return new State
            {               
                AngularVelocity = body.AngularVelocity,
                LinearMomentum = body.LinearMomentum,
                LinearVelocity = body.LinearVelocity,
                Orientation = body.Orientation,
                Position = body.Position,  
                Yaw = controller.Camera.Yaw,
                Pitch = controller.Camera.Pitch,
            };
        }

        public void CopyToCharacterController(ref CharacterControllerInput controller)
        {
            var body = controller.CharacterController.Body;
            body.AngularVelocity = this.AngularVelocity;
            body.LinearMomentum = this.LinearMomentum;
            body.LinearVelocity = this.LinearVelocity;
            body.Orientation = this.Orientation;
            body.Position = this.Position;
            controller.Camera.Yaw = this.Yaw;
            controller.Camera.Pitch = this.Pitch;            
        }
    }

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 if (!inReplayMode)
            {                
                if (this.IsActive && GetActiveWindow() == this.Window.Handle)
                {
                    this.CharacterController.Update(timeStep, current);
                    camera.Update(timeStep, currentState, Mouse.GetState(), GamePad.GetState(PlayerIndex.One));
                    Mouse.SetPosition(200, 200);
                }
                State thisState = State.GetFromCharacterController(CharacterController); //method posted in original post
                buffer.Add(thisState);                
            }
            else
            {
                camera.Update(timeStep, currentState, 
                    new MouseState(200, 200, 0, ButtonState.Released, ButtonState.Released, 
                        ButtonState.Released, ButtonState.Released, ButtonState.Released), 
                        GamePad.GetState(PlayerIndex.One));
  
                if (buffer.Count > 0)
                {
                    this.CharacterController.Update(timeStep, new Input());
                    var first = buffer.Oldest(); //State struct posted above
                    first.CopyToCharacterController(ref CharacterController);   //Method code is posted in my original post
                    buffer.RemoveAt(0);
                }
                else
                {
                    inReplayMode = false;
                }
            }

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		 if (buffer.Count > 0)
                {                    
                    var first = buffer.Oldest();
                    first.CopyToCharacterController(ref CharacterController);                   
                    buffer.RemoveAt(0);
                }