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Post by kiezel on Oct 2, 2008 7:00:57 GMT -5
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Shaking
Oct 10, 2008 18:35:05 GMT -5
Post by macrocker on Oct 10, 2008 18:35:05 GMT -5
There have been many threads about it. Just don't shake your iPhone like god-crazy and it will not happen.
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Shaking
Nov 22, 2008 17:00:35 GMT -5
Post by grindingbassline on Nov 22, 2008 17:00:35 GMT -5
Patient: It hurts when I do this... Doctor: Don't do that... -=dave
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Shaking
Apr 18, 2009 17:33:24 GMT -5
Post by seraphless on Apr 18, 2009 17:33:24 GMT -5
Despite the humor it IS a bug and it SHOULD be fixed. You should be able to shake it as hard as you like.
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Shaking
Apr 18, 2009 22:58:57 GMT -5
Post by Danielle Cassley on Apr 18, 2009 22:58:57 GMT -5
We will look into this.
Danielle
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Shaking
Apr 22, 2009 6:01:29 GMT -5
Post by loaki9 on Apr 22, 2009 6:01:29 GMT -5
There is really no reason to shake your phone when you're playing AF II.
I'm curious what the Devs are actually able to do about this.
But just to help shed some light on the mechanics of the accelerometer inside the Iphone; here's a brief explanation. Basically, think of a kinetic watch. Everything rotates around the central post. Well, with the accelerometer, there is the central post and weight that rotates around it. Depending on which way your holding the phone, that weight will rotate to the lowest point on the circle. which will dictate how the graphics on the screen will rotate.
Well, when you shake the Iphone its makes this weight spin around the post really quickly. The weight doesn't stay in one orientation long enough for the visual graphics to settle into a position. But it can still pick-up a fleeting glimpse of the weight as it spins. Basically. When you shake the i phone, your flooding the processor with orders of direction, or sporadic directions at best, and the graphics just keep flipping around all over the place, causing your visual glitch you see.
I hope I explained this well, and that you stop shaking your phone when you play the game. Because, I just want show that its not really a programming error. but a mechanical challenge that will be (I suspect) extremely difficult to program around.
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arwen
Junior Member
Character Name: *Arwen*
Posts: 69
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Shaking
Apr 22, 2009 6:07:47 GMT -5
Post by arwen on Apr 22, 2009 6:07:47 GMT -5
I shake my iPhone while I play AF but it has never happened to me to see this bug..
@loaki.. Rotating the device will maybe help to make more chains.. I used it a lot in the old version, and it worked.
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Shaking
Apr 22, 2009 6:33:40 GMT -5
Post by loaki9 on Apr 22, 2009 6:33:40 GMT -5
Haha, I'm not saying don't rotate it. By all means, that's the core dynamic of the game. One of the reasons I love it. Just no need to shake it.
Another example, i think is easier to understand. Imagine you're spinning a hula hoop around your waist, and every time the hoop is mostly on your left side, you have to turn 90* to your left, and when the hulahoop is mostly on your right, your have to turn 90* to your right. It'd be tough to keep up right? You might get disoriented. Same thing here.
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Shaking
Apr 23, 2009 9:13:06 GMT -5
Post by burtosis on Apr 23, 2009 9:13:06 GMT -5
LOL I hope that was just an analogy. The iphone has a mems accelerometer that is basically a 'proof mass' or miniature diving board. STMicroelectronics is the supplier. Gravity provides an acceleration force, or you can add to this by shaking, which involves acceleration. As you accelerate, it bends the diving board just like walking out on one bends the board. A charged plate is usually used to sense the change in capacitance caused by the difference in position between the diving board plate and a reference plate.
This is on a very small scale, so the time constant is very fast (usually limited by hardware and software filtering). So the response is faster than an eyeblink and you can't shake your phone and have it rattle for seconds afterward.
Getting the bricks to overlap and stick isn't a necessity when the accelerometer readings bounce, it is just a case when the bricks are transitioning between states, and probably get a new state before the transition is complete, that a bug hits.
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Post by loaki9 on May 1, 2009 4:46:10 GMT -5
Burtosis is very much right. I should have done my research before commenting. This time I didn't; but now I have! I'm surprised that apple went this high of technology with the accelerometer. Its a 3-axis accelerometer. I would have expected 2. They also are using a nano-board (which is considered smaller than "micro" for technicality purposes) www.st.com/stonline/products/literature/ds/13951.pdf That's the link the the technical specifications. Its pretty advanced, You'll probably require experience with electrical diagrams to understand it all. I've only had fleeting experience, so I understood ~1/3 of it. Very neat stuff. Thanks, Burtosis.
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