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2014/10/15 ¤U¤È 10:09:55
iphone Programming Glossary: gravity.xDrifting yaw angle after moving fast http://stackoverflow.com/questions/13613239/drifting-yaw-angle-after-moving-fast is not affected by the bug. So I decided to redesign this pretty simple part of motion detection and use arcsin gravity.x gravity for moving the main player character to the side when tilting the device. This is definitely the second best solution..
How to detect iPhone movement in space using accelerometer? http://stackoverflow.com/questions/2674717/how-to-detect-iphone-movement-in-space-using-accelerometer date if previousDate nil interval now timeIntervalSinceDate previousDate previousDate now Isolating gravity vector gravity.x currentAcceleration.x kFileringFactor gravity.x 1.0 kFileringFactor gravity.y currentAcceleration.y kFileringFactor gravity.y.. previousDate previousDate now Isolating gravity vector gravity.x currentAcceleration.x kFileringFactor gravity.x 1.0 kFileringFactor gravity.y currentAcceleration.y kFileringFactor gravity.y 1.0 kFileringFactor gravity.z currentAcceleration.z.. kFileringFactor gravity.z currentAcceleration.z kFileringFactor gravity.z 1.0 kFileringFactor float gravityNorm sqrt gravity.x gravity.x gravity.y gravity.y gravity.z gravity.z Removing gravity vector from initial acceleration filteredAcceleration.x..
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