"Scott David Daniels" <[EMAIL PROTECTED]> ha scritto nel messaggio news:[EMAIL PROTECTED] >> 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 -- http://mail.python.org/mailman/listinfo/python-list