Possible to make this work?

[wonkalow]

Im building a MAME Machine, itll be PC ran so Id like to consider getting an LCD topgun (or anything similar that looks good) and then figuring out if its at all possible to run CounterStrike Source on it. You aim and shoot with the mouse so I think a gun should have No problem working, but the movement im not too sure on. I could figure out some kind of pedal to stand on like time crisis but it might be difficult to work, and wouldnt give you the option of strifing. Any suggestions or opinions?

[SavannahLion]

Find one with a hat?

Good luck on the buttons though.

[RyoriNoTetsujin]

How about a Dance Dance Revolution pad?   

Actually, the more I think about it, it might work... 

[AcidArmitage]

How about a Dance Dance Revolution pad?   

Actually, the more I think about it, it might work... 

I laughed at first, too... but i think it might work!

[wonkalow]

if I can, I'd like to avoid anything DDR lol, it might be my only option though, it sounds like it might be worth checking out if all else fails.

[NoOne=NBA=]

The problem with what you're trying to do is that the mouse actually moves the character, so the lightgun will do the same.
Lightguns are really only good for rail shooters.
In a rail shooter, your character moves along according to the script; and then, when it's time to shoot, everything on the screen becomes stationary.

In an FPS, moving the mouse will turn your character, and make them look up and down.
When you move the gun to aim at something, it will think you are moving the mouse, and will begin tracking in that direction.
Basically you will have to turn your guy left/right/up/down until the enemy is in the direct center of the screen, then shoot.
That means it won't be an intuitive thing, like you are thinking.

[severdhed]

don't knock ddr pads...you can do all kinds of stuff with them.  i played mortal kombat with one once on my xbox, sub-zero's freeze attack is nearly impossible to pull off, but after a alot of attempts, i got it.