@Override public Vec getTangentAtSimply(double t) { if (isLeft(t)) { return left.getTangentAtSimply(t); } else { return right.getTangentAtSimply(t); } }
@Override public LengthBasedAppend getWithAdjustedStartPoint(Vec newStartPoint) { return new LengthBasedAppend(left.getWithAdjustedStartPoint(newStartPoint), right, tInterval); }
@Override public BBox makeBBox() { return left.getBBox().union(right.getBBox()); }