On Sun, Jun 17, 2018 at 10:13 PM kirby urner <kirby.ur...@gmail.com> wrote:
> > > Any Ideas? >> Thanks :) >> -- >> > > > Wow I didn't know about this issue. > > Just > > import turtle > turtle.forward(100) > turtle.right(90) > turtle.forward(100) > turtle.left(90) > turtle.forward(100) > > performs as expected out of the box right? > Yes, it does. BUT, if you set the world coordinates like Jurgis reported, then left and right are inverted. There's an easy fix ... but it has been rejected. > Forward is in the direction the turtle is facing and left and right are > the turtle's own front paws. We're looking down on said turtle. > > https://flic.kr/p/Lb4mUf (warning: URL is case sensitive) > > I gather some have a preference for (0,0) as upper left versus smack dab > in the middle of the screen with X right and Y up? > > Codesters and Scratch follow the (0,0) in the middle convention. That's > how math textbooks do it. > > HTML Canvas object is irrelevant. Resistance is futile. Just kidding. > > Would be good to have a global setting, just like for cubic vs. tetra > volumes. > > Kirby > > > > _______________________________________________ > Edu-sig mailing list > Edu-sig@python.org > https://mail.python.org/mailman/listinfo/edu-sig >
_______________________________________________ Edu-sig mailing list Edu-sig@python.org https://mail.python.org/mailman/listinfo/edu-sig
