/// <summary>
/// Captures the position and rotation of the current subject.
/// </summary>
/// <param name="time">Time of the capture.</param>
/// <remarks>
/// This function determines whether or not it can drop previous captures to save space. If the subject is moving in a predictable fashion, then it might drop some positional frames for the sake of memory. This will not reduce the quality of the recording.
/// </remarks>
public void Capture(float time)
{
if (capturedPositions.Count > 1)
{
VectorCapture beforeLastPosition = capturedPositions.Last.Previous.Value;
VectorCapture lastPosition = capturedPositions.Last.Value;
Vector3 lastPositionalVelocity = (lastPosition.Vector - beforeLastPosition.Vector) / (lastPosition.Time - beforeLastPosition.Time);
Vector3 curPositionalVelocity = (subject.transform.position - lastPosition.Vector) / (time - lastPosition.Time);
if (V3Equal(lastPositionalVelocity, curPositionalVelocity))
{
capturedPositions.RemoveLast();
}
}
capturedPositions.AddLast(new VectorCapture(time, subject.transform.position));
if (capturedRotations.Count > 1)
{
VectorCapture beforeLastRotation = capturedRotations.Last.Previous.Value;
VectorCapture lastRotation = capturedRotations.Last.Value;
Vector3 lastRotationalVelocity = (lastRotation.Vector - beforeLastRotation.Vector) / (lastRotation.Time - beforeLastRotation.Time);
Vector3 curRotationalVelocity = (subject.transform.rotation.eulerAngles - lastRotation.Vector) / (time - lastRotation.Time);
if (V3Equal(lastRotationalVelocity, curRotationalVelocity))
{
capturedRotations.RemoveLast();
}
}
capturedRotations.AddLast(new VectorCapture(time, subject.transform.rotation.eulerAngles));
}
private static VectorCapture[] FromTransport(Google.Protobuf.Collections.RepeatedField <Transport.VectorCapture> transportCapture)
{
var vectorCapture = new VectorCapture[transportCapture.Count];
for (int i = 0; i < transportCapture.Count; i++)
{
vectorCapture[i] = new VectorCapture(transportCapture[i].Time, new Vector3(transportCapture[i].X, transportCapture[i].Y, transportCapture[i].Z));
}
return(vectorCapture);
}
