转载自:http://www.bit-101.com/blog/?p=1824
For the final installment in this series, we’ll add accelerometer support to the ball, allowing you to tilt the device to change the direction of “down”. Note, although you can rotate the device in the iPhone simulator, this does not simulate acceleration.
The only way you’ll be able to see this in action is on a physical device. This means that you’ll have to pay $99 sign up for and be accepted to the iPhone Developer program, and figure out......
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