Thanks for the links! I implemented a GameTrak class that extends Event and allows a simple wrapper Event to calculate velocity. I'll get it on GitHub and share it with the list once I've exercised it a bit.

On Fri, Jul 3, 2020 at 7:10 PM Michael Heuer <heuermh@gmail.com> wrote:

Hello Curtis,

I am not familiar with the GameTrak joystick specifically, but you may find USB NES, HID Joystick and Logitech F310 classes

https://github.com/heuermh/lick/blob/master/lick/device/Nes.ck

https://github.com/heuermh/lick/blob/master/lick/device/Joystick.ck

https://github.com/heuermh/lick/blob/master/lick/device/LogitechGamepadF310.ck

and examples

https://github.com/heuermh/lick/blob/master/examples/nesExample.ck

https://github.com/heuermh/lick/blob/master/examples/joystickDemo.ck

https://github.com/heuermh/lick/blob/master/examples/gamepadTr808.ck

in LiCK, a Library for Chuck.  Hope these help!

Cheers,

   michael

On Jul 3, 2020, at 6:16 PM, Curtis Ullerich <curtullerich@gmail.com> wrote:

Hi all,

I'm experimenting with velocity patterns of GameTrak joysticks as event triggers. I'm curious if there's any prior art here.

I'm working on a GameTrak class in ChucK that tracks the hand movement in space to add velocity and acceleration updates alongside the usual xyz position. 

In general, I've been surprised to not find much in the way of a GameTrak class/lib for ChucK, though I did find this one.

Curtis

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