..and I'm so sorry.. I missed a couple of  #declare
If you are not familiar with the POV SDL, the creation
and changing of a variable always begin with #declare.
So.. for instance c=c+1; should be #declare c=c+1;

I guess I was thinking C..

Again, sorry..

Stefan

"Stefan Persson" <azy### [at] teliacom> skrev i meddelandet
news:4259d977$1@news.povray.org...
> To expand my theory..
>
> #declare c=0;  ;Declare the counter
> #declare OnOff = 0; ;Declare the boolean variable
>
> code code..
>
> #if(c<=11) ;Check if we reached the end of the light cycle. If we are
still
> within 0-11 then do nothing except..
>     c=c+1; ;..increment the counter
> #else ;We have reached the end of the light cycle
>     #if(OnOff=0) ;Check if the light was on or off
>         OnOff=1;
>     #else
>         OnOff=0;
>     #end
>     c=0; ;IMPORTANTE!! Reset the counter so that we reset the cycle..
> #end
>
> code code..
>
> #lightsomething..
>     #if(OnOff=1) ;If 1 then the light is on.. if not.. just do nothing..
>             light_source {   // Strobe light
>           <0.0, 0.0, 0.0>
>           color rgb <1.000, 1.000, 1.000>
>           translate  <0.985, -9.983, 15.82>
>            }
>     #end
> #end
>
> Code.. code..
>
> Or something like that..
>
> Stefan
>
> "Stefan Persson" <azy### [at] teliacom> skrev i meddelandet
> news:4259d638$1@news.povray.org...
> > Hi Dave,
> > And so you shouldn't.. ;)
> >
> > For the propeller I would use some sort of semi-transparent texture
> > to fake the motion blur of the spinning.
> > For the strobe, I can think of a solution..
> >
> >         A counter that holds the duration of the on/off sequense
> >         + a boolean variable.
> >         Let's say you want the light to be on for half a second
> >         (that's something like 12 frames.. 24 fps/2). Then the
> >         counter increments itself 12 times. When it reaches
> >         12 or 11, depending on if you start on 0 or 1, it switches
> >         the boolean.
> >         The light checks every cycle if the boolean is true or
> >         false. If it's true, it's on.. and the opposite of course.
> >
> > Try it. I hold no responsibility if it does any harm to
> > animals or your computer.. ;)
> >
> > Stefan
> >
> > "dj" <djh### [at] msncom> skrev i meddelandet
> > news:web.42529207d94d7e8f63b34e470@news.povray.org...
> > > I have a quick (hopefully) question about animation. I'm trying to
> animate
> > a
> > > flying aircraft.  I need to animate some strobe lights flashing and a
> > > propeller spinning.  Is there a way to animate small segments and have
> > them
> > > repeat?  I'd rather not have to manually animate the strobe light
> flashing
> > > through the entire sequence.
> > >
> > > Thanks,
> > > Dave
> > >
> > >
> >
> >
>
>

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