iPhone accelerometer updates?

Discussion in 'Lounge' started by se7en, Nov 17, 2008.

  1. se7en

    se7en Well-Known Member

    Nov 17, 2008
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    Does anyone know if there have been changes in the accelerometer from the original iPhone vs. the 3GB/iPod Touch? I can't seam to find any info on the iPhone internal mechanics.

    I have the original and almost every game that uses it is almost impossible to control. Well, frustrating at best. Maybe it is just a programming issue. I have read a few comments from devs about creating response curves, etc. so that it isn't so flaky.

    Anyway, nice to meet everyone here. I am new to the iPhone games and this forum. Sorry if I am asking something that has already been discussed.

    7
     
  2. VeganTnT

    VeganTnT Moderator
    Staff Member

    Jul 19, 2008
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    Freelance Entertainment Analyst
    Orlando, FL
    I have a first gen and don't have any issues with it.

    It may just be the angle that you are playing at.

    an example: In Pole Position, if you hold your device and 90 degrees the steering will be slow and unresponsive. If you play at 45 degrees the steering becomes much more sensitive. If you play with it perpendicular to the floor then the game is uncontrollable.

    the accelerometer (at least in the patent info) looks something like this
    |
    - o -
    |

    (if it doesn't turn out it should look like a ball with a prong on the top bottom left and right)

    gravity makes a piece moves and sends out an electrical charge

    when you hold it upright the piece falls to the bottom, and activates only the bottom sensor.

    when you play at an angle the piece travel diagonally, so it activates more than one sensor and makes for a finer control.

    Ifixit did a teardown of both iphones and they made no mention of the accelerometer being different (be it make or manufacturer)

    hope that helps, and welcome to the boards!
     
  3. break5

    break5 Well-Known Member

    Aug 7, 2008
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    hold on i think i'm missing something here
    there's a 3GB ipod touch?
     
  4. VeganTnT

    VeganTnT Moderator
    Staff Member

    Jul 19, 2008
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    Freelance Entertainment Analyst
    Orlando, FL
    I'm sure it was the 3G iphone and the B was a mental slip ;)

    Can't harass 'em just yet. :p
     
  5. Kuratsu

    Kuratsu Well-Known Member

    Nov 4, 2008
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    College Student
    He may have been referring to the iPhone 3G and iPod Touch
     
  6. break5

    break5 Well-Known Member

    Aug 7, 2008
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    oh sorry, if i take out the B it makes sense
    haha
     
  7. se7en

    se7en Well-Known Member

    Nov 17, 2008
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    haha, go ahead. I can take it : ) You didn't know about the 3GB, who's laughing now!

    VegantTnT - thanks for the info and the explanation!

    7
     
  8. Wegmans

    Wegmans Well-Known Member

    Oct 31, 2008
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    Finance
    MD, USA
    hey se7en welcome to the forums!
     
  9. dannys95

    dannys95 Well-Known Member

    Sep 29, 2008
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    Earth
    I want apple to update their maps app on the iPod touch. Google earth and other programs find my exact location right next to the location the iPhone 3g says I am. The maps app makes a huge circle around my house, the ones on my sides and the building behind me.
     
  10. HandheldGames

    HandheldGames Well-Known Member

    Nov 15, 2008
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    CEO & Founder, Creative Director, Producer, & Desi
    Lynnwood, Washington
    Its not the hardware - its the developer ;-)

    Accelerometers are a tricky pile of kit. Fastlane Street racing is about the only racing game that has it right in that genera.

    And in the Sports area, TouchSports tennis uses it well. Check out this video here how we used it - http://www.youtube.com/watch?v=m3-Imj5f7tI

    Simple Left/right tilt after a single touch input. We will expand it afterwords but want to keep the controls very easy and not cumbersome.

    Thx!
    HHG
     
  11. iDeveloper

    iDeveloper Member

    Nov 15, 2008
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    I developed a game using the accelerometer and have a fist gen Iphone, a 3G and a iPod touch (first gen). All devices seem to behave the same regarding the accelerometer. I see no differences.
     
  12. eeenmachine

    eeenmachine Well-Known Member

    Oct 24, 2008
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    Independent Game Developer
    San Diego, CA
    Scoops has received many reviews claiming the tilt control is more accurate and easier to use than expected, it is definitely up to the developer to succeed or fail when it comes to game controls using the accelerometer.
     

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