intersect

Description:

public bool intersect (Rectangle src1, Rectangle src2)

Calculates the intersection of two rectangles.

If the rectangles do not intersect, dest's width and height are set to 0 and its x and y values are undefined.

this may point to the same object as src1 or src2.

Returns TRUE if the rectangles intersect.

this	return location for the intersection of `src1` and `src2`, or NULL.
src1	a Rectangle
src2	a Rectangle