Re: about performer path

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MLM Veraart (Veraart++at++fel.tno.nl)
Mon, 17 May 1999 14:46:35 +0200

Publishing User wrote:
>
> Dear Performer Experts,
>
> I have used the performer path to
> make the train follow the known
> railway,but I want to use keyboard
> to control the speed, how to do it?
>

If you look at the source of pfuPath
/usr/share/Performer/src/lib/libpfutil/path.c
you can use the same construct as scaling the pitch and roll for
scaling the speed. Add an extra parameter to the pfuPath struct and
a function to set this parameter. Use this speedScale to adjust the
'distance' calculations used in the pfuFollow function. You can
then adjust this scale factor with keyboard commands.

Mario

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