/// <summary>
/// Returns a vector containing all edges in the given S2ShapeIndexCell vector.
/// (The result is returned as an output parameter so that the same storage can
/// be reused, rather than allocating a new temporary vector each time.)
/// </summary>
private static void GetShapeEdges(S2ShapeIndex index, List <S2ShapeIndexCell> cells, ShapeEdgeVector shape_edges)
{
shape_edges.Clear();
foreach (var cell in cells)
{
AppendShapeEdges(index, cell, shape_edges);
}
}
/// <summary>
/// Returns a vector containing all edges in the given S2ShapeIndexCell.
/// (The result is returned as an output parameter so that the same storage can
/// be reused, rather than allocating a new temporary vector each time.)
/// </summary>
private static void GetShapeEdges(S2ShapeIndex index, S2ShapeIndexCell cell, ShapeEdgeVector shape_edges)
{
shape_edges.Clear();
AppendShapeEdges(index, cell, shape_edges);
}