internal void ReverseTransform(float secondsAgo)
{
savedPosition = transform.position;
savedRotation = transform.rotation;
float currentTime = NetworkManager.Singleton.NetworkTime;
float targetTime = currentTime - secondsAgo;
float previousTime = 0f;
float nextTime = 0f;
for (int i = 0; i < m_Framekeys.Count; i++)
{
if (previousTime <= targetTime && m_Framekeys.ElementAt(i) >= targetTime)
{
nextTime = m_Framekeys.ElementAt(i);
break;
}
else
{
previousTime = m_Framekeys.ElementAt(i);
}
}
float timeBetweenFrames = nextTime - previousTime;
float timeAwayFromPrevious = currentTime - previousTime;
float lerpProgress = timeAwayFromPrevious / timeBetweenFrames;
transform.position = Vector3.Lerp(m_FrameData[previousTime].position, m_FrameData[nextTime].position, lerpProgress);
transform.rotation = Quaternion.Slerp(m_FrameData[previousTime].rotation, m_FrameData[nextTime].rotation, lerpProgress);
}
/// <summary>
/// <para>
/// Sets the <see cref="GameObject" />s <see cref="Transform" /> position and rotation using the given frame index,
/// and optional interpolation value.
/// </para>
/// <para>
/// The <see cref="Transform" /> will not be changed back until a call to <see cref="ResetStateTransform" />
/// </para>
/// </summary>
/// <param name="secondsAgo"></param>
public void SetStateTransform(double secondsAgo)
{
Transform objTransform = transform;
//Save last state
lastPosition = objTransform.position;
lastRotation = objTransform.rotation;
double currentTime = NetworkTime.time;
double targetTime = currentTime - secondsAgo;
double previousTime = 0f;
double nextTime = 0f;
for (int i = 0; i < frameKeys.Count; i++)
{
if (previousTime <= targetTime && frameKeys.ElementAt(i) >= targetTime)
{
nextTime = frameKeys.ElementAt(i);
break;
}
else
{
previousTime = frameKeys.ElementAt(i);
}
}
if (nextTime == 0)
{
nextTime = frameKeys.GetMostRecentElement();
}
double timeBetweenFrames = nextTime - previousTime;
double timeAwayFromPrevious = currentTime - previousTime;
//We loose some accuracy here, but Unity's transforms are floats
float lerpProgress = (float)(timeAwayFromPrevious / timeBetweenFrames);
Logger.Debug("TimeAgo: {TimeAgo}, previousTime: {PreviousTime}, nextTime: {NextTime}, lerp: {Lerp}",
secondsAgo, previousTime, nextTime, lerpProgress);
objTransform.position =
Vector3.Lerp(frameData[previousTime].Position, frameData[nextTime].Position, lerpProgress);
objTransform.rotation = Quaternion.Slerp(frameData[previousTime].Rotation, frameData[nextTime].Rotation,
lerpProgress);
}