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Scraggle

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Joined: 10th Jul 2003

Location: Yorkshire

Posted: 15th Aug 2016 08:37 Edited at: 15th Aug 2016 09:16

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[EDIT]
You can ignore this (unless you want the point in polygon code), the link that I provided explains the loop further down. It seems I did understand it correctly

[/EDIT]

Hi,

I've found some code to perform a point in polygon check but the code is in C++ and I want to convert it to AGK.
Most of the code is easily convertible but I don't really understand what is going on with the opening FOR statement.
Could somebody please help me out with this:

+ Code Snippet

for (i = 0, j = nvert-1; i < nvert; j = i++) {

Assuming nvert is 5 then as I understand it ,
i would loop from 0 to 4
j would be 4 the first time through the loop but then i-1 each successive time.

Feel free to tell me that I'm wrong and point out the correct values so that I can convert it to AGK.

Thanks!

FYI, the full code is here

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