public void AddRiver(List <DisplayNode> riverNodes)
{
DisplayPoly poly = new DisplayPoly(riverNodes);
poly.boundingBox = BoundingBoxUtil.BoundingBox(riverNodes);
poly.color = Color.blue;
poly.type = PolyType.River;
displayPolys.Add(poly);
}
public void AddArea(Color color, List <DisplayNode> areaBounds)
{
DisplayPoly poly = new DisplayPoly(areaBounds);
poly.boundingBox = BoundingBoxUtil.BoundingBox(areaBounds);
poly.color = color;
poly.type = PolyType.Area;
displayPolys.Add(poly);
}