private bool NextIsInverted(TrackSection trackSection)
{
if (trackSection.Next != null && Vector3.Distance(trackSection.EndPosition, trackSection.Next.Position) > 0.05f)
{
return(true);
}
return(false);
}
private bool PreviousIsInverted(TrackSection trackSection)
{
if (trackSection.Previous != null && Vector3.Distance(trackSection.Previous.EndPosition, trackSection.Position) > 0.05f)
{
return(true);
}
return(false);
}
private Vector3 CalculateNewTrackPosition(TrackSection newPiece, bool invertNewPiece)
{
// Get the current track's attach position
var anchor = this.Inverted ? CurrentSection.Position : CurrentSection.EndPosition;
var offset = invertNewPiece ? newPiece.EndPosition : Vector3.zero;
return(anchor + offset);
}
private Quaternion CalculateNewTrackRotation(TrackSection newPiece, bool invertNewPiece)
{
Quaternion anchorRotation = Inverted ? Helper.InvertTrackRotation(CurrentSection.Rotation) : CurrentSection.GetRotationOnTrack(CurrentSection.Length);
//Debug.LogFormat("Anchor rotation: {0}, Inverted: {1}", anchorRotation.eulerAngles, Inverted);
Quaternion newRotation = invertNewPiece ? Helper.InvertTrackRotation(newPiece.GetRotationOnTrack(newPiece.Length)) : Quaternion.identity;
//Debug.LogFormat("New piece rotation: {0}, Inverted: {1}", newRotation.eulerAngles, invertNewPiece);
//Debug.LogFormat("Total rotation: {0}", (anchorRotation * newRotation).eulerAngles);
return(anchorRotation * newRotation);
}
/// <summary>
/// Creates a new junction from the given sections. Note that they may not be inverted.
/// </summary>
/// <param name="entry">The entry track of the junction</param>
/// <param name="left">The left branch</param>
/// <param name="right">The right branch</param>
public Junction(TrackSection entry, TrackSection left, TrackSection right)
{
Entry = entry;
Left = left;
Right = right;
// Hook up pieces
Left.Previous = Entry;
Right.Previous = Entry;
Toggle();
}
/// <summary>
/// Creates a copy of this TrackSection
/// </summary>
/// <param name="connections">When true connections are copied as well</param>
/// <returns>Copy</returns>
public TrackSection Clone(bool connections = false)
{
var ts = new TrackSection();
if (connections)
{
ts.Next = Next;
ts.Previous = Previous;
}
ts.Position = Position;
ts.Rotation = Rotation;
ts.Length = Length;
ts.Curved = Curved;
ts.Curve = Curve;
return(ts);
}
/// <summary>
/// Starts a new straight track at the given position and rotation
/// </summary>
/// <param name="position">Track start position</param>
/// <param name="rotation">Track start rotation</param>
/// <param name="length">Length of track</param>
/// <param name="inverted">If the track piece should be inverted</param>
/// <returns></returns>
public TrackSection StartTrack(Vector3 position, Quaternion rotation, float length, bool inverted = false)
{
if (CurrentSection != null)
{
PushState();
}
CurrentSection = new TrackSection()
{
Length = length,
Position = position,
Rotation = rotation,
};
if (inverted)
{
CurrentSection.Flip();
}
Inverted = inverted;
return(CurrentSection);
}
/// <summary>
/// Places a new section of straight track after the current section
/// </summary>
/// <param name="length">The length of the new section</param>
/// <param name="curve">The curve in degrees</param>
/// <param name="inverted">If the new section is inverted</param>
public TrackSection PlaceTrack(float length, float curve, bool inverted = false)
{
if (CurrentSection == null)
{
throw new InvalidOperationException("Use StartTrack to start a new track");
}
var track = new TrackSection()
{
Length = length,
Previous = inverted ? null : CurrentSection,
Next = inverted ? CurrentSection : null,
Curved = true,
Curve = curve
};
// Rotation MUST be calculated first so position offset computation functions correctly
track.Rotation = CalculateNewTrackRotation(track, inverted);
track.Position = CalculateNewTrackPosition(track, inverted);
// Check to see if we are supposed to hook this up to the front or back of the current section
if (Inverted)
{
CurrentSection.Previous = track;
}
else
{
CurrentSection.Next = track;
}
// Store state
PushState();
// Update state for next calls
Inverted = inverted;
CurrentSection = track;
return(CurrentSection);
}
public TrackFollower(TrackSection section, float startDistance, bool startInverted)
{
TrackSection = section;
Distance = startDistance;
Inverted = startInverted;
}
/// <summary>
/// Repositions the track layer on the given track
/// </summary>
/// <param name="section"></param>
/// <param name="inverted"></param>
public void Reposition(TrackSection section, bool inverted = false)
{
ClearHistory();
CurrentSection = section;
Inverted = inverted;
}