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Author Topic: Infra red tracking project  (Read 1922 times)
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« on: April 08, 2012, 11:07:52 PM »

Hi all,

ive used inspiration of johnny chung lees project to utilise the wii remotes for tracking led reflections and my aim is to
essentially place an IR emitter on the end of my Airsoft gun for the idea of virtualising a target shooting simulation.
My idea is to create a simple program that will read the IR emiiter back from at least two remotes in seperate locations say either side of the room. The plan is to have the emitter relay the signal back through the remote and that therefore declares a hit on an application. I am wondering whether this is possible to do with two wiimotes synced with a computer and if the program is possible?

many thanks all,

just looking for any suggestions for helping me approach this

thank you

Jim
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« Reply #1 on: April 09, 2012, 05:15:47 AM »

Hi all,

ive used inspiration of johnny chung lees project to utilise the wii remotes for tracking led reflections and my aim is to
essentially place an IR emitter on the end of my Airsoft gun for the idea of virtualising a target shooting simulation.
My idea is to create a simple program that will read the IR emiiter back from at least two remotes in seperate locations say either side of the room. The plan is to have the emitter relay the signal back through the remote and that therefore declares a hit on an application. I am wondering whether this is possible to do with two wiimotes synced with a computer and if the program is possible?

many thanks all,

just looking for any suggestions for helping me approach this

thank you

Jim

Hi Jim,

How are you tracking the pointed direction of the gun?

Regards,
Boon Jin
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« Reply #2 on: April 10, 2012, 05:44:12 AM »

Hi,

This gun tracking project will not be a simple exercise.

If you want some idea of the complexity involved, look at this project.

Its an explanation of six degree of freedom optical tracking using off the shelf components, some Wii Remotes and GlovePie.

This is where I would start such a project Smiley

 http://www.mtbs3d.com/phpBB/viewtopic.php?f=6&t=4251


Thanks.
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« Reply #3 on: April 16, 2012, 12:17:25 AM »

i was going to track the end of the gun using an IR led or some reflective tape and using the IR emitter at the other end of the range say to bounce the light back.
to start i wanted to simply track the amount of times the IR sensor detected light say simply by a counter in C#
i plan to develop it to then count the hits but to then move on the accuracy
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« Reply #4 on: April 19, 2012, 03:51:55 PM »

Hi,

I did a liittle more thinking about this.

If you want to detect the 'shot' on the target, then a wii remote positioned on the gun, with only two IR emitters located downrange at the target is all that is really required.

You would then have to calibrate the lateral distance of the IR emitters in respect of the target centre itself. This is just basic mathematics.

If you want to get really complicated - A four IR emitter system with realtime Wii Whiteboard type perspective  calibration would be necessary - for the 'pro' version.

This also assumes the IR emitters are bright enough to be detected by the wiimote. Possibly a lens could be put over the IR emitters so the IR light is directed like a torch uprange. Or a scope could possible be mounted on the end of the wiiremote for the same result.

Thanks.

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