protected override IStyleData Calculate(MarkupRegularLine line, ITrajectory trajectory, MarkupLOD lod)
{
if (!IsValid)
{
return(new MarkupStyleParts());
}
if (Invert)
{
trajectory = trajectory.Invert();
}
if (Shift != 0)
{
var startNormal = trajectory.StartDirection.Turn90(!Invert);
var endNormal = trajectory.EndDirection.Turn90(Invert);
trajectory = new BezierTrajectory(trajectory.StartPosition + startNormal * Shift, trajectory.StartDirection, trajectory.EndPosition + endNormal * Shift, trajectory.EndDirection);
}
var length = trajectory.Length;
if (OffsetBefore + OffsetAfter >= length)
{
return(new MarkupStyleParts());
}
var startT = OffsetBefore == 0f ? 0f : trajectory.Travel(OffsetBefore);
var endT = OffsetAfter == 0f ? 1f : 1f - trajectory.Invert().Travel(OffsetAfter);
trajectory = trajectory.Cut(startT, endT);
var count = Mathf.CeilToInt(trajectory.Length / RepeatDistance);
var trajectories = new ITrajectory[count];
if (count == 1)
{
trajectories[0] = trajectory;
}
else
{
for (int i = 0; i < count; i += 1)
{
trajectories[i] = trajectory.Cut(1f / count * i, 1f / count * (i + 1));
}
}
return(new MarkupStyleNetwork(Prefab, trajectories, Prefab.Value.m_halfWidth * 2f, Prefab.Value.m_segmentLength, Scale, Elevation));
}
protected bool Cut(MarkupCrosswalk crosswalk, ITrajectory trajectory, float width, out ITrajectory cutTrajectory)
{
var delta = width / Mathf.Tan(crosswalk.CornerAndNormalAngle) / 2;
if (2 * delta >= trajectory.Magnitude)
{
cutTrajectory = default;
return(false);
}
else
{
var startCut = trajectory.Travel(0, delta);
var endCut = trajectory.Invert().Travel(0, delta);
cutTrajectory = trajectory.Cut(startCut, 1 - endCut);
return(true);
}
}