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Re: Maths Calculation Problem
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Re: Maths Calculation Problem


  • Subject: Re: Maths Calculation Problem
  • From: Doug McNutt <email@hidden>
  • Date: Fri, 14 Nov 2008 12:02:55 -0700

At 19:30 +0100 11/14/08, Skeeve wrote:
set Object1 to {bounds:{523, 520, 750, 464}, width:227, height:56}
set Object2 to {bounds:{501, 569, 738, 514}, width:237, height:55}

return intersect(Object1, Object2)

to intersect(o1, o2)
   set {L1, T1, R1, B1} to bounds of o1
   set {L2, T2, R2, B2} to bounds of o2
   return not ((L1 > R2) or (L2 > R1) or (B1 > T2) or (B2 > T1))
end intersect

Did I just learn something? Screen coordinates are usually positive down to conform with printing conventions. Those T and B values would need to have T < B to have something that would print.


Is it Applescript or a system change since QuickDraw? Where is the (0,0) point on the screen?


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  • Follow-Ups:
    • Re: Maths Calculation Problem
      • From: Emmanuel Levy <email@hidden>
    • Re: Maths Calculation Problem
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References: 
 >Maths Calculation Problem (From: Simon Topliss <email@hidden>)
 >Re: Maths Calculation Problem (From: Emmanuel Levy <email@hidden>)
 >Re: Maths Calculation Problem (From: Skeeve <email@hidden>)

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