pub fn regular_polygon(
center: &GeoCoord,
radius_m: f64,
sides: usize,
rotation_deg: f64,
) -> Vec<GeoCoord>Expand description
Generate a regular N-gon as a closed polygon ring.
§Arguments
center– centre of the polygon.radius_m– circumscribed circle radius in meters.sides– number of sides (clamped to min 3).rotation_deg– rotation of the first vertex in degrees clockwise from north.