Well I just spent 15 minutes looking at your code ... nothing obvious jumps out, except inconsistent use of variables and representations. Let me ask: Can you write a simple pygame program that makes a sprite move in a circle, yourself, right now?
On Tue, Apr 28, 2015 at 11:10 AM, Charles Cossé <cco...@gmail.com> wrote: > Hi, > > Typically x=r*cos(angle) and y=r*sin(angle) ... you've got the opposite. > > You'd have to post more code for anyone to help with you in/out of class > problem ... > > Charles > > On Tue, Apr 28, 2015 at 6:52 AM, diliup gabadamudalige <dili...@gmail.com> > wrote: > >> Looking at the code on this page lines 47 & 48 >> >> >> http://programarcadegames.com/python_examples/show_file.php?file=sprite_circle_movement.py >> >> is there a way to do >> self.rect.x +*= some value* >> self.rect.y += some value >> >> rather than >> >> self.rect.x = self.radius * math.sin(self.angle) + self.center_x >> self.rect.y = self.radius * math.cos(self.angle) + self.center_y >> >> ? >> >> I tired it in the code attached and strangely it works ok but only >> OUTSIDE THE class. When I implement the exact code in a class it does >> something weird. I can't find where I have gone wrong. >> >> Please help. >> >> Many thanks in advance. >> >> Diliup Gabadamudalige >> >> >> >> ********************************************************************************************** >> This e-mail is confidential. It may also be legally privileged. If you >> are not the intended recipient or have received it in error, please delete >> it and all copies from your system and notify the sender immediately by >> return e-mail. Any unauthorized reading, reproducing, printing or further >> dissemination of this e-mail or its contents is strictly prohibited and may >> be unlawful. Internet communications cannot be guaranteed to be timely, >> secure, error or virus-free. The sender does not accept liability for any >> errors or omissions. >> >> ********************************************************************************************** >> >> >
