[Tutor] move forward in arbitrary direction

R. Alan Monroe amonroe at columbus.rr.com
Sat Oct 28 17:54:43 CEST 2006

> right now i can make something move up and down, or left and right, but
> if I want to rotate a triangle, then move it so that the 'tip' always 
> points in the direction it's going to move, I get stuck.



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