private TraverseResult doTraverse(State s0, TraverseOptions options, boolean back) {
StreetVertex fromv = ((StreetVertex) this.fromv);
if (!fromv.canTraverse(options)) {
return tryWalkBike(s0, options, back);
}
Editor editor = s0.edit();
double time = fromv.getLength() / options.speed;
double weight = fromv.computeWeight(s0, options, time);
editor.incrementWalkDistance(fromv.getLength());
// time moves *backwards* when traversing an edge in the opposite direction
editor.incrementTimeInSeconds((int) (back ? -time : time));
return new TraverseResult(weight, editor.createState(), this);
}
@Override
public void setElevationProfile(PackedCoordinateSequence elev) {
((StreetVertex) fromv).setElevationProfile(elev);
}
