2014/10/15 下午 10:03:29

iphone Programming Glossary: accelerationy

Cocos2d iPhone: Rotate Sprite using Accelerometer

http://stackoverflow.com/questions/3826304/cocos2d-iphone-rotate-sprite-using-accelerometer

Firs off in your h file you need to make the following variables UIAccelerationValue accelerationX UIAccelerationValue accelerationY float currentRawReading float calibrationOffset Also ensure that your h file has @interface myViewName UIViewController.. UIAcceleration acceleration accelerationX acceleration.x kFilteringFactor accelerationX 1.0 kFilteringFactor accelerationY acceleration.y kFilteringFactor accelerationY 1.0 kFilteringFactor keep the raw reading to use during calibrations currentRawReading.. acceleration.x kFilteringFactor accelerationX 1.0 kFilteringFactor accelerationY acceleration.y kFilteringFactor accelerationY 1.0 kFilteringFactor keep the raw reading to use during calibrations currentRawReading atan2 accelerationY accelerationX..

Detect iPhone screen orientation

http://stackoverflow.com/questions/999686/detect-iphone-screen-orientation

UIAcceleration acceleration int accelerationX acceleration.x kfilteringFactor accelerationX 1.0 kfilteringFactor int accelerationY acceleration.y kfilteringFactor accelerationY 1.0 kfilteringFactor float currentRawReading atan2 accelerationY accelerationX.. acceleration.x kfilteringFactor accelerationX 1.0 kfilteringFactor int accelerationY acceleration.y kfilteringFactor accelerationY 1.0 kfilteringFactor float currentRawReading atan2 accelerationY accelerationX 180 M_PI NSLog @ Angle f currentRawReading.. int accelerationY acceleration.y kfilteringFactor accelerationY 1.0 kfilteringFactor float currentRawReading atan2 accelerationY accelerationX 180 M_PI NSLog @ Angle f currentRawReading Sample from log while phone is flat 2009 06 16 17 29 07.987 373..