public IDiff CreateDiff(Change change)
{
return(new PointDiff()
{
Operation = change.Operation,
Index = change.Index,
Value = CoordinateDelta.Create(GetCoordinate(change.PreviousValue), GetCoordinate(change.NewValue))
});
}
private static void WriteCoordinate(CoordinateDelta coordinate, BinaryWriter writer, bool hasZ)
{
writer.Write(coordinate.X ?? double.NaN);
writer.Write(coordinate.Y ?? double.NaN);
if (hasZ)
{
writer.Write(coordinate.Z ?? double.NaN);
}
}
