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Atari coding BBS
| Re: Clipping optimisation ? |
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Posted by: Laurent / Thadoss
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Feb,14.2013-14:26
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Hi again,
Thanks a lot GGN, that was exactly was I was looking for :
Xclip = X1 + (X2 - X1) * (Yclip - Y1) / (Y2 - Y1) <---> (Yclip = 239)
With this one, I need 1 mul and 1 div in word size instead of 2 divs and 1 mul in long size.
Perfect !
Regards,
Laurent
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