Margus Ramst wrote:
> 
> On the other hand, if your scene script contais some kind of iterative process
> or - worse yet - some kind of a physics model (for ex. balls bouncing around),
> it is a real pain to have the entire scene processed for every frame. The
> calculations would have to go from the beginnig to current state every frame and
> the parse time would increase each time.
> This can often be handled with I/O functions, of course; but POV's I/O functions
> are (with all due respect) a bit cumbersome (for example having to #read all the
> identifiers in a file when you only need the last one for a particular frame or
> having to manually comma-delimit the list).
> 
> Margus

The easiest thing to do is to create .inc file(s) that declare all the
variables of your current frame (and init on clock = 0.0). That way you
can read in all variables, etc with a simple #include "physics.inc" etc.

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