Re: 2D vector graphics Problem
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Re: 2D vector graphics Problem

From: Karl Max <karlmax@tiscalinet.it>
Date: Sun May 29 2005 - 19:23:07 CEST




"Scott David Daniels" <Scott.Daniels@Acm.Org> ha scritto nel messaggio 


news:4299eb5d$1@nntp0.pdx.net...


>>  x = x * cos - y * sin - xRel * cos + yRel * sin + xRel


>>  y = x * sin + y * cos - xRel * sin - yRel * cos + yRel


>>  self.coords = (x,y)


>


> Your equation for y uses the new x, not the old x.



De hi hi ho. I must sleep some more hours at night... ;-)


>Be more free with names.



Well, I often report book formulas, and forget renaming variables to more 


comprehensive language. Thank you for your help.



Max 


Received on Thu Sep 29 16:16:02 2005