¡@

Home 

2014/10/15 ¤U¤È 10:03:29

iphone Programming Glossary: acceleration.z

How 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

rollingX 1.0 kFilteringFactor rollingY acceleration.y kFilteringFactor rollingY 1.0 kFilteringFactor rollingZ acceleration.z kFilteringFactor rollingZ 1.0 kFilteringFactor float accelX acceleration.x rollingX float accelY acceleration.y rollingY..

How to detect iPhone movement in space using accelerometer?

http://stackoverflow.com/questions/2674717/how-to-detect-iphone-movement-in-space-using-accelerometer

gravity.x gravityNorm filteredAcceleration.y acceleration.y gravity.y gravityNorm filteredAcceleration.z acceleration.z gravity.z gravityNorm Calculating velocity related to time interval velocity.x velocity.x filteredAcceleration.x interval..

iPhone: modifying view when user shakes

http://stackoverflow.com/questions/2955943/iphone-modifying-view-when-user-shakes

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 change the parameters on..

Tap pressure strength detection using accelerometer

http://stackoverflow.com/questions/5179426/tap-pressure-strength-detection-using-accelerometer

sizeof pressureValues sizeof pressureValues 0 set current pressure value pressureValues currentPressureValueIndex sz acceleration.z if setNextPressureValue 0 calculate average pressure float total 0.0f for int loop 0 loop sz loop total pressureValues loop.. mostRecent caluculate pressure as difference between average and current acceleration float diff fabsf average acceleration.z if pressure diff pressure diff setNextPressureValue if setNextPressureValue 0 if pressure minimumPressureRequired pressure..

Retrieving Accelerometer Values?

http://stackoverflow.com/questions/5659534/retrieving-accelerometer-values

Accelerometer Low Pass Filtering

http://stackoverflow.com/questions/6942626/accelerometer-low-pass-filtering

kFilteringFactor accelX 1.0 kFilteringFactor accelY acceleration.y kFilteringFactor accelY 1.0 kFilteringFactor accelZ acceleration.z kFilteringFactor accelZ 1.0 kFilteringFactor Use the acceleration data. However I first tried with that code and I got an..

Tap pressure strength detection using CPBPressureTouchGestureRecognizer

http://stackoverflow.com/questions/8079580/tap-pressure-strength-detection-using-cpbpressuretouchgesturerecognizer

sizeof pressureValues sizeof pressureValues 0 set current pressure value pressureValues currentPressureValueIndex sz acceleration.z if setNextPressureValue 0 calculate average pressure float total 0.0f for int loop 0 loop sz loop total pressureValues loop.. mostRecent caluculate pressure as difference between average and current acceleration float diff fabsf average acceleration.z if pressure diff pressure diff setNextPressureValue if setNextPressureValue 0 if pressure minimumPressureRequired pressure..

How to count steps using an Accelerometer?

http://stackoverflow.com/questions/8310250/how-to-count-steps-using-an-accelerometer

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 What am I doing wrong I am not able.. 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 What am I doing wrong I am not able to determine the threshold...

Why is object not dealloc'ed when using ARC + NSZombieEnabled

http://stackoverflow.com/questions/8408071/why-is-object-not-dealloced-when-using-arc-nszombieenabled