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2014/10/15 ¤U¤È 10:03:29
iphone Programming Glossary: acceleration.yHow do you implement a Highpass filter for the IPhone accelerometer? http://stackoverflow.com/questions/142944/how-do-you-implement-a-highpass-filter-for-the-iphone-accelerometer to get a simplified high pass filter rollingX acceleration.x kFilteringFactor rollingX 1.0 kFilteringFactor rollingY acceleration.y kFilteringFactor rollingY 1.0 kFilteringFactor rollingZ acceleration.z kFilteringFactor rollingZ 1.0 kFilteringFactor float..
How to program smooth movement with the accelerometer like a labyrinth game on iPhone OS? http://stackoverflow.com/questions/2272969/how-to-program-smooth-movement-with-the-accelerometer-like-a-labyrinth-game-on-i acceleration deviceTilt.x 0.01 deviceTilt.x 1.0 0.01 acceleration.x deviceTilt.y 0.01 deviceTilt.y 1.0 0.01 acceleration.y void onTimer ballImage.center CGPointMake ballImage.center.x deviceTilt.x 50 ballImage.center.y deviceTilt.y 50 if ballImage.center.x..
How to detect iPhone movement in space using accelerometer? http://stackoverflow.com/questions/2674717/how-to-detect-iphone-movement-in-space-using-accelerometer vector from initial acceleration filteredAcceleration.x acceleration.x gravity.x gravityNorm filteredAcceleration.y acceleration.y gravity.y gravityNorm filteredAcceleration.z acceleration.z gravity.z gravityNorm Calculating velocity related to time interval..
iPhone: modifying view when user shakes http://stackoverflow.com/questions/2955943/iphone-modifying-view-when-user-shakes UIAccelerometer accelerometer didAccelerate UIAcceleration acceleration if fabsf acceleration.x 2.2 fabsf acceleration.y 2.2 fabsf acceleration.z 2.2 The user has shaken the iPhone You can obviously change the interval to check more often and..
Cocos2d iPhone: Rotate Sprite using Accelerometer http://stackoverflow.com/questions/3826304/cocos2d-iphone-rotate-sprite-using-accelerometer 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 atan2..
Retrieving Accelerometer Values? http://stackoverflow.com/questions/5659534/retrieving-accelerometer-values
Accelerometer Low Pass Filtering http://stackoverflow.com/questions/6942626/accelerometer-low-pass-filtering only the gravity component of each axis. accelX acceleration.x kFilteringFactor accelX 1.0 kFilteringFactor accelY acceleration.y kFilteringFactor accelY 1.0 kFilteringFactor accelZ acceleration.z kFilteringFactor accelZ 1.0 kFilteringFactor Use the..
How to count steps using an Accelerometer? http://stackoverflow.com/questions/8310250/how-to-count-steps-using-an-accelerometer BOOL shake FALSE if beenhere return beenhere TRUE if acceleration.x violence acceleration.x 1 violence shake TRUE if acceleration.y violence acceleration.y 1 violence shake TRUE if acceleration.z violence acceleration.z 1 violence shake TRUE if shake steps.. return beenhere TRUE if acceleration.x violence acceleration.x 1 violence shake TRUE if acceleration.y violence acceleration.y 1 violence shake TRUE if acceleration.z violence acceleration.z 1 violence shake TRUE if shake steps steps 1 beenhere false..
How can I rotate an image in response to the iPhone's accelerometer? http://stackoverflow.com/questions/954711/how-can-i-rotate-an-image-in-response-to-the-iphones-accelerometer accelerometer didAccelerate UIAcceleration acceleration rollingX acceleration.x 0.1 rollingX 1.0 0.1 rollingY acceleration.y 0.1 rollingY 1.0 0.1 float xx rollingX float yy rollingY float angle atan2 yy xx self.angle M_PI 2.0 if self.angle 2.25..
Detect iPhone screen orientation http://stackoverflow.com/questions/999686/detect-iphone-screen-orientation acceleration int 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.. variables and thus accelerationX acceleration.x kfilteringFactor accelerationX 1.0 kfilteringFactor accelerationY acceleration.y kfilteringFactor accelerationY 1.0 kfilteringFactor Should give you more what you were looking for. share improve this..
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