Thank you to let me know. I agree. I do a simple test and I found that I can see the theretentivity of vision when delay is > 0.02, a little small than 1/25. So 0.01 is enough for most of people I guess.
> > > Thanks. I need to draw animation in real time.=20 > > Real time? Maybe so, but certainly not at 1000 frames per second. > > If you draw more frames than your system can display, you are simply > wasting resources. > > If you draw more frames than a human observer can perceive, you are > simply wasting resources. > > So... 10 frames per second might be a bit marginal for the average > observer, but adequate. > 20 FPS would look smooth to most observers. > 1000 FPS is pointless. > > > But it seemed that I can use=20 > > fl_begin_offscreen(),fl_end_offscreen(),fl_copy_offscreen() =20 > > + Fl_Window to replace Fl_Double_Window. > >=20 > > By the way, why will Fl_Double_Window drawing be slower than=20 > > Fl_Window drawing? Is it due to fl_*_offscreen() call? > > Yes, basically. > > SELEX Galileo Ltd > Registered Office: Sigma House, Christopher Martin Road, Basildon, Essex SS= > 14 3EL > A company registered in England & Wales. Company no. 02426132 > ******************************************************************** > This email and any attachments are confidential to the intended > recipient and may also be privileged. If you are not the intended > recipient please delete it from your system and notify the sender. > You should not copy it or use it for any purpose nor disclose or > distribute its contents to any other person. > ******************************************************************** > _______________________________________________ fltk mailing list [email protected] http://lists.easysw.com/mailman/listinfo/fltk
