Re: Maths Calculation Problem
Re: Maths Calculation Problem
- Subject: Re: Maths Calculation Problem
- From: Emmanuel Levy <email@hidden>
- Date: Fri, 14 Nov 2008 18:19:24 +0100
At 5:10 PM +0000 11/14/08, Simon Topliss wrote:
Hi All,
I'm trying to work out whether two text frames (or any two objects)
intersect each other in Illustrator but I'm struggling with the
maths.
I'm sure there's a basic formula that games developers and/or
mathmagicians use to achieve this but I'm terrible at maths. I think
in pictures!
In fact it's easier to consider the reverse question: when do two
rectangles R1 and R2 *not* intersect.
They don't intersect if any of these conditions is fulfilled:
- the left edge of R1 is to the right of the right edge of R2,
- the right edge of R1 is to the left of the left edge of R2,
- the top edge of R1 is lower than the bottom edge of R2,
- the bottom edge of R1 is upper than the top edge of R2.
If none of those are true, then R1 and R2 do intersect.
Best,
Emmanuel
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