Wii IR sensor finds new home in NES Zapper


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While we continue to wait for Nintendo to go official with its "Zapper Style" shell for the Wiimote, enterprising hackers have some Far Cry Vengeance to smack down, and AcidMod's "cyberpyrot" is doing it old school. The hack is about as simple as they come, he merely rewired the Wiimote's IR sensor to the front of his NES Zapper, and hooked up the trigger to the Wiimote's trigger button. He plans to strap the Wiimote to his wrist, for easy access weapon changes, and while the mod is lacking in elegance, cyberpyrot claims his FPS performance has "vastly improved." Alright Nintendo, your turn.

http://www.engadget.com/2007/06/25/wii-ir-...-in-nes-zapper/

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The thing is.... I'm sure that I don't actually aim using line-of-sight when playing on the wii.

If I actually look down the remote, it's aiming outside of my TV even when the recticle is up in the corner.

How does it compensate for this? Or do you still not aim using line-of-sight?

  lunamonkey said:
The thing is.... I'm sure that I don't actually aim using line-of-sight when playing on the wii.

If I actually look down the remote, it's aiming outside of my TV even when the recticle is up in the corner.

How does it compensate for this? Or do you still not aim using line-of-sight?

You can't use line of sight aiming with the WiiRemote because unlike the Zapper the WiiRemote is calibrated based on the location of the IR LEDs, which can really be located anywhere (off to the side of the TV for instance). If you positioned two home build LEDs to the left and the right of the middle of the screen you might be able to make line of sight work with some careful positioning, but since you can change the Wii settings to say the Sensor Bar is "above the TV" or "below the TV" exact center placement won't work either.

The Zapper actually took a snapshot of the screen when you clicked the trigger (the screen changed to something recognizable by the zapper for that brief moment, which is why the screen flashes) so line of sight actually worked for the zapper (and the SNES Super Scope 6) because you really were shooting the screen. With the WiiRemote you're "shooting" the Sensor Bar.

So the short answer to your question is: follow the reticle on the screen, ignore line of sight. Of course anyone that bothered doing this setup with a zapper and the WiiRemote might also have built and calibrated his own IR LEDs and set them on the sides of his display so he could use line of sight aiming as well as the reticle.

  • 2 weeks later...
  Hooya said:
The Zapper actually took a snapshot of the screen when you clicked the trigger (the screen changed to something recognizable by the zapper for that brief moment, which is why the screen flashes) so line of sight actually worked for the zapper (and the SNES Super Scope 6) because you really were shooting the screen.

So that's the annoying flash whenever I play DuckHunt. Thing used to give me headaches.

  Hooya said:
The Zapper actually took a snapshot of the screen when you clicked the trigger (the screen changed to something recognizable by the zapper for that brief moment, which is why the screen flashes) so line of sight actually worked for the zapper (and the SNES Super Scope 6) because you really were shooting the screen.

That is only partially correct. What happened was the screen would turn to all black, except for the duck, which would be white. The "zapper" would then detect if it was pointing to a bright or dark spot, and that would then trigger the "hit" or "miss" action. If you want to get a perfect score in Duck Hunt, just shoot at a white screen. Sometimes even a piece of paper would work.

  iconoclast said:
That is only partially correct. What happened was the screen would turn to all black, except for the duck, which would be white. The "zapper" would then detect if it was pointing to a bright or dark spot, and that would then trigger the "hit" or "miss" action. If you want to get a perfect score in Duck Hunt, just shoot at a white screen. Sometimes even a piece of paper would work.

Sounds exactly like what I posted, just in more detail. Something the zapper could recognize = dark spot on a screen of white.

Didn't know about the white paper trick. If I ever have a go at an original NES again I'll give that a try.

  • 2 weeks later...
  Hooya said:
Sounds exactly like what I posted, just in more detail. Something the zapper could recognize = dark spot on a screen of white.

Didn't know about the white paper trick. If I ever have a go at an original NES again I'll give that a try.

Hence the "partially correct" statement ;)

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