Returns a point on the visibility silhouette of shape s closest to a query point p. If this point is not unique, an arbitrary choice is made. If no such point exists, the query point p is returned.
A shape (Circle, Rect, Polygon, Line, Polyline, Ellipse, or Group)
A point
The closest point on the visibility silhouette
Returns a point on the visibility silhouette of shape s closest to a query point p. If this point is not unique, an arbitrary choice is made. If no such point exists, the query point p is returned.