_Added in 1.9.4_

*$onpoly(n1,n2,x,y,x,y,...)*

Returns [[$true]] if two polygons overlap, otherwise [[$false]].

*Parameters*

n1 - Number of points in the first polygon.
n2 - Number of points in the second polygon.
x - First x coordinate.
y - First y coordinate.
x - Second x coordinate.
y - Second y coordinate.
... - Additional coordinates.