David Burgun wrote:
Ok, yes thanks, I was just about coming to the conclusion that this was the only way to achieve this. I looked at the "within" function/keyword which works on points, seems like it would be good to make this work with two objects, so you could write:For a rectangle to be (wholly) within another, any two opposite corners must each be within it ... so
if within("UserRect","BoundingRect") then ......................... end if
function RectWithinRect UserRect, BoundRect
return (item 1 to 2 of UserRect is within BoundRect) and (item 3 to 4 of UserRect is within BoundRect)
end RectWithinRect
or if you want to check for being within objects rather than any rectangle
function RectWithinObj UserRect, Obj
return within(item 1 to 2 of UserRect, Obj) and within(item 3 to 4 of UserRect, Obj)
end RectWithinObj
(BUT - beware that not all objects have rectangular interiors - so this can give wrong answers on some polygons, or partially transparent images, or .....)
-- Alex Tweedly http://www.tweedly.net
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