A BYOAC Lightgun, are we up to it?

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Silver:

--- Quote from: Flinkly on March 09, 2005, 11:38:22 pm ---not to trample on the effort, but if andy is doing well on creating his own for the comunity, wouldn't it be kinda a waste to make our own? he would probably be done before we got too far anyways, just hate to see you guys waste your time.

p.s. i'm not trying to trample on your guy's feet, so if you don't see it as a waste, go on and make one to prov me wrong. ;D

--- End quote ---

I agree... I think some time and effort would be better spent improving the mame code for light guns or perhaps a driver that supports raw input and not mouse emulation. I think this is how dual lightguns are forced to work already.

Such improvments would benefit both DIY webcam projects - the TrackIR system already does not use mouse emulation - an other setups.

NiN^_^NiN:
http://www.arcadecontrols.com/wwwboard/messages/40217.html

I'm tired so i didnt look if it was posted so kill me if it was ;)

Lilwolf:
my webcam is crap.

but isn't it true that they just aren't fast enought (forget about the processing time per image) to be used?

it seems like you might be able to get it to work on the first level or two on some shooting games if you got the drivers working... but after that... the cameras wouldn't take pictures fast enough for the computer to figure out where the pointer SHOULD be looking

and after that... even if everything above worked....

how would you make a trigger press? thumb twitch? or middle finger? seems like this would be another huge hurtle.

I personnally think it would be super cool. I would love to see someone use this to make a DDR pad (on any surface)... and a few other items like that... but I just don't see it being a real solution for gaming... just something to show your friends... "no really... just point at the screen and say bang... it really works!"

Trimoor:
Most webcams can take images at a full 30fps. Some might be able to achieve greater speeds. With enough processing power, it can track the guns in real time.

Games run at 60 fields per second interlaced, and I'm guessing that most of them only render 30 frames per second, one image for both fields. I think it will be plenty fast.

As for the triggers, they would be connected to a keyboard encoder. If wireless shooting is desired, the triggers could activate an IR LED in the front of the gun for the camera to see.

Silver:
I think most webcams would not be up to the task. Depends how good you want it....

The TrackIR system above is designed for use in games (head-panning in flight simulators etc...) and the premium edition runs at 120fps - the slowest one is 60 or 80fps I think.

They get around the processing image overhead by using infra-red emitters to reflect a very obvious point source, making it very easy to follow. they state cpu usuage for realtime tracking is under 1%. I am sure this would work very well as a gun - but again its a custom driver or mouse emulation. And if you want two guns you would probably have to program it yourself. Although it looks like they have a SDK for their optitrack or whatever....

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