public static bool Intersects(VirtualRectangle r1, VirtualRectangle r2)
{
return
((
(
((r1.Left >= r2.Left && r1.Left <= r2.Right) || (r1.Right >= r2.Left && r1.Right <= r2.Right))
&&
((r1.Top >= r2.Top && r1.Top <= r2.Bottom) || (r1.Bottom >= r2.Top && r1.Bottom <= r2.Bottom))
)
||
(
((r2.Left >= r1.Left && r2.Left <= r1.Right) || (r2.Right >= r1.Left && r2.Right <= r1.Right))
&&
((r2.Top >= r1.Top && r2.Top <= r1.Bottom) || (r2.Bottom >= r1.Top && r2.Bottom <= r1.Bottom))
)
)
||
(
(
((r1.Left >= r2.Left && r1.Left <= r2.Right) || (r1.Right >= r2.Left && r1.Right <= r2.Right))
&&
((r2.Top >= r1.Top && r2.Top <= r1.Bottom) || (r2.Bottom >= r1.Top && r2.Bottom <= r1.Bottom))
)
||
(
((r2.Left >= r1.Left && r2.Left <= r1.Right) || (r2.Right >= r1.Left && r2.Right <= r1.Right))
&&
((r1.Top >= r2.Top && r1.Top <= r2.Bottom) || (r1.Bottom >= r2.Top && r1.Bottom <= r2.Bottom))
)
));
}
public bool Intersects(VirtualRectangle rect)
{
return(Intersects(this, rect));
}