get_closest_point

Description:

public bool get_closest_point (Point point, float threshold, out unowned PathPoint result, out float distance)

Computes the closest point on the path to the given point.

If there is no point closer than the given threshold, false is returned.

this	a path
point	the point
threshold	maximum allowed distance
result	return location for the closest point
distance	return location for the distance

true if point was set to the closest point on this, false if no point is closer than threshold