38 return _vertices3.size();
const LPlaned & get_plane() const
Returns the plane of the polygon.
int add_vertex(const LPoint3d &point)
Adds a new vertex to the vertex pool.
int get_num_vertices() const
Returns the number of vertices in the pool.
static const LPoint3d & zero()
Returns a zero-length point.
This is a three-component point in space (as opposed to a three-component vector, which represents a ...
const LPoint3d & get_vertex(int n) const
Returns the nth vertex.