Talk:Light gun

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[edit] List of games

we need to make a list page of all the light gun games. theres a light gun games category as well.. the list is getting much too long, also is it possible for a light gun to work with a pc monitor? --larsinio 03:14, 16 October 2005 (UTC)

it is possible to get a light-gun to work with a PC monitor (CRT only) - not sure if anyone has developed one. Y control 16:18, 27 April 2006 (UTC)

[edit] Non CRT detection

So I've been to the arcade and played TimeCrisis/House of the Dead which uses a rear-projection screen. Does this mean that where I thought it was using LCD rear-projection I am mistaken; or is there another method for shooting games? Please help I'm stumped. Y control 16:18, 27 April 2006 (UTC)

I beleive LCD displays now exist that can refresh quickly enough for light guns to work. In arcades, if the gun is fixed to a platform, it's most likely positional. Last time I saw House of the Dead though, it used freely-movable light guns. What makes you think it was using a LCD rear-projector rather than a CRT one? boffy_b 17:06, 26 August 2006 (UTC)

[edit] Time Crisis 3 doesnt use any of the listed methods

The light gun of Time Crisis 3 knows where it is with no blacking/brightening of the screen or IR sensors. This can be seen on calibration where the crosshair follows the aim around the screen cointinuously with no triggering/flashing. I would guess that because the gun intercepts the video signal with a cable, it recognizes the TVs location with an internal camera. —Preceding unsigned comment added by 64.40.59.113 (talk • contribs)

You are mistaken. TC3 uses the GunCon 2, which works by measuring the time delay between a sync pulse sent to the controller and the pulse received from the photodiode. This is why the calibration screen is needed. Shinobu 03:39, 9 March 2007 (UTC)
In other words, this is what the article calls "cathode ray timing". As long as a pixel isn't completely black or completely red, the photodiode in a CRT gun can compare the timing of the flickering of the blue and green phosphors to the timing of the video signal. What 64.40.59.113 describes is more like how a pentop computer works. --Damian Yerrick (talk | stalk) 04:52, 9 March 2007 (UTC)
@cathode ray timing: correct. As for the Fly pen, I've taken a look at the web page, and frankly, it was really sad. It always is when companies try to be cool and end up horribly overdoing it. And couldn't they have thought up a better name? "I brought my Fly." *sniff* On the technological side, it "sees" it's position with a LED-based solution. So I guess it works much like an optical mouse does. Remember how recently someone modded a cheap optical mouse to work like a small (18 by 18 pixels) B&W scanner? Also, it says on the website you need special paper, so I guess it reads some kind of pattern of the paper, probably Anoto, and it (edit: read article) with the Anoto pattern, which the pen uses to establisch it's absolute position, rather than just inferring relative positions like a mouse does. But basically, the technologies seem very similar. Shinobu 15:14, 11 April 2007 (UTC)

[edit] Operation Wolf

Operation Wolf was removed as an example of an arcade game using a positional gun, with the claim that it used an optical gun. According to KLOV.com Operation Wolf always used a positional gun, and I recommend adding it back as it is such a popular game. It revitalized interest in shooting-style arcade games, showing that a scrolling field could work in a gun-based game after Nintendo's forgettable Gumshoe. User:Dj ansi 21:16, 14 May 2006 (UTC)

That's correct Operation Wolf (arcade version) used a positional gun; not sure why it was removed. I think the home versions may have used light-guns where available. Y control 10:07, 22 May 2006 (UTC)
How could the first light gun be in 1936?? Their weren't even computers, the first computer came in WWII. Vincentsc 16:10, 6 June 2006 (UTC)
Go to a carnival and play the light gun based target range.

Added modern, IR based, methods (method three) --83.54.140.19 11:24, 9 June 2006 (UTC)

I understand it, it wasn't a computergame, I thought so, but okay, I understand. Vincentsc 10:52, 10 June 2006 (UTC)

[edit] light gun in fps games?

a light gun should be used in fps games, it would make it easier, have a analog stick to move forward and backward and side to side, a trigger, and a scope button, and other commands like enter exit, jump, reload, etc, make a light gun that plugs into a ps3 controller or xbox 360 controller and play fps games like battlefield: bad company with extremely accurate aiming. —The preceding unsigned comment was added by Superchad (talk • contribs) .

PS3? Xbox 360? Conspicuous by its absence in your comment is the one next generation console that comes out of the box with a light gun controller that uses IR and accelerometers. Wii have what you want. --Damian Yerrick (☎) 01:22, 7 October 2006 (UTC)

[edit] More pictures!

There have been some wacky lightgun designs over the years (notably the Menacer and Super Scope); it would be nice to see a wider spread of images beyond two Nintendo products. Kelvingreen 09:12, 10 October 2006 (UTC)

[edit] Terminator 2: Judgment Day

I thought the arcade version of Terminator 2: Judgment Day used the positional setup. Dread Lord CyberSkull ✎☠ 00:40, 22 February 2007 (UTC)

[edit] SNES Superscope cathode ray timing

The SNES Superscope doesn't work quite as described. The article implies that the scope determines where it is aiming based on a timing signal from the SNES, and then transmits the coordinates to the SNES. In actuality, the Scope simply transmits the "I see an excited phosphor!" signal over pin #6 of the connector, which is connected to a pin on the PPU2 chip inside the console. Since this chip is also doing the pixel output, it simply 'latches' the current pixel row and column when the pin makes a 1 to 0 transition.

The major difference is that the Scope doesn't need any kind of timing signal from the console at all, and in fact if you look at the architecture of the console the only regular timing signal is a 60 Hz button-state poll. I've described this in more detail over at the Superscope talk page. Anomie 02:54, 14 April 2007 (UTC)

[edit] More elaborate?

"The second method, used by the Super Nintendo Entertainment System's Super Scope and computer light pens is more elaborate but more accurate."

I actually think the first method (cycling through the targets) sounds more elaborate, but maybe that's just me. David 16:53, 19 July 2007 (UTC)

[edit] is it worth mentioning that the Wiimote actually uses a ccd sensor?

should it be mentioned that the Wiimote instead of simple sensors actually has a digital camera in its tip? (afaik no one has figured out how to get the captured image from the camera, all that can be obtained are the x and y coordintaes of up to 4 ir brightspots)--TiagoTiago 01:23, 22 September 2007 (UTC)

It should if you can cite a source. --Damian Yerrick (talk | stalk) 16:58, 22 September 2007 (UTC)

[edit] ACT Labs gun?

The article makes no mention of the USB lightgun ACT Labs produce for PC use. s this notable enough for inclusion? Chris Cunningham (not at work) - talk 20:41, 7 February 2008 (UTC)

It should be if you can cite a reliable source. --Damian Yerrick (talk | stalk) 00:16, 8 February 2008 (UTC)
Here are some to consider: [1], [2], [3], etc. Best, --Le Grand Roi des CitrouillesTally-ho! 00:36, 8 February 2008 (UTC)

[edit] blank?

what happened to this page needs urgent repair. —Preceding unsigned comment added by 121.219.104.202 (talk) 10:09, 10 May 2008 (UTC)