I think you can't call a_g_paint directly. Even you call, opengl code won't work because it must be executed inside paint event.
you can trigger a repaint gl_paint and let the OS to call event handler. Why didn't you print out the y to see what is its value? On Fri, Feb 14, 2020, 12:14 AM Brian Schott <schott.br...@gmail.com> wrote: > Yes, I think I understand the normally gl_paint is called from event > handler, > and I am calling gl_paint directly myself. Can you tell me where the code > for event handler is so that I can see if it is making another call that I > am not aware of? > > On Thu, Feb 13, 2020 at 11:02 AM bill lam <bbill....@gmail.com> wrote: > > > a_g_paint is called from event handler, not from your code. > > unless you had called this verb directly. > > > > the viewport is glu_lookat, but I forgot most of it already. > > > > -- > (B=) > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
