Builds a road ribbon along a polyline: resampled every step metres, draped on height (or the
points' own y) with a smoothed centreline kept above the ground across its whole width, a carriageway,
and either curbs and raised sidewalks or sloped verges down to the ground. uv is (metres across from
the centreline, metres along), the convention of RoadSurface and threejs-city.
Builds a road ribbon along a polyline: resampled every
stepmetres, draped onheight(or the points' own y) with a smoothed centreline kept above the ground across its whole width, a carriageway, and either curbs and raised sidewalks or sloped verges down to the ground.uvis (metres across from the centreline, metres along), the convention of RoadSurface and threejs-city.