[PD] Velocity detection

[tim vets]

I would suggest you look at [delta]
the bigger the difference between two consecutive position measurements, the
higher the speed of movement (provided that your measurements occur at
regular time intervals)
gr,
Tim

2010/5/5 Greg Pond <gregpond at gmail.com>

> if you need to measure the time between two events, I think [timer] is what
> you need.  the attached patch might work for you- move the slider all the
> way to the end to trigger and gauge the speed of the movement. slide it back
> to zero to reset.
>
> greg
>
> On Wed, May 5, 2010 at 4:59 AM, Andrew Faraday <jbturgid at hotmail.com>wrote:
>
>>  Hey all
>>
>> I've had an idea, using a joystick to symbolically strike a bell, (I.E.
>> when one axis hits a certain figure the bell sound is triggered, possibly
>> with the timbre varied by the other axis). However, does anyone know of a
>> way I can measure the speed of this movement using pd? Basically, the change
>> in velocity in the half second or so before reaching the 'strike'.
>>
>> I'm not sure if there's anything in PD to do this, but any ideas would be
>> welcome.
>>
>> Cheers,
>>
>> Andrew
>>
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