2014/10/15 下午 10:03:29

iphone Programming Glossary: acceleration.x

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

acceleration Subtract the low pass value from the current value to get a simplified high pass filter rollingX acceleration.x kFilteringFactor rollingX 1.0 kFilteringFactor rollingY acceleration.y kFilteringFactor rollingY 1.0 kFilteringFactor rollingZ.. rollingY 1.0 kFilteringFactor rollingZ acceleration.z kFilteringFactor rollingZ 1.0 kFilteringFactor float accelX acceleration.x rollingX float accelY acceleration.y rollingY float accelZ acceleration.z rollingZ Use the acceleration data. share improve..

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

UIAccelerometer accelerometer didAccelerate UIAcceleration 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..

How to detect iPhone movement in space using accelerometer?

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

gravity.y gravity.y gravity.z gravity.z Removing gravity vector from initial acceleration filteredAcceleration.x acceleration.x gravity.x gravityNorm filteredAcceleration.y acceleration.y gravity.y gravityNorm filteredAcceleration.z acceleration.z..

iPhone: modifying view when user shakes

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

in this method void accelerometer 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..

Cocos2d iPhone: Rotate Sprite using Accelerometer

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

your .m file void accelerometer UIAccelerometer accelerometer didAccelerate UIAcceleration acceleration accelerationX acceleration.x kFilteringFactor accelerationX 1.0 kFilteringFactor accelerationY acceleration.y kFilteringFactor accelerationY 1.0 kFilteringFactor..

Retrieving Accelerometer Values?

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

Accelerometer Low Pass Filtering

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

UIAcceleration acceleration Use a basic low pass filter to keep 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.. makes absolutely no sense to me. iphone ios ios4 accelerometer uiaccelerometer share improve this question accelX acceleration.x kFilteringFactor accelX 1.0 kFilteringFactor Whats happening in this code you are multiplying the acceleration at the moment..

How to count steps using an Accelerometer?

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

acceleration const float violence 1.2 static BOOL beenhere 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.. float violence 1.2 static BOOL beenhere 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..

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

can help me... void accelerometer UIAccelerometer 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..

Detect iPhone screen orientation

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

void checkOrientation UIAccelerometer accelerometer didAccelerate UIAcceleration acceleration int accelerationX acceleration.x kfilteringFactor accelerationX 1.0 kfilteringFactor int accelerationY acceleration.y kfilteringFactor accelerationY 1.0.. variables when you want float . I think the accelerationX and 㛝 should be instance variables and thus accelerationX acceleration.x kfilteringFactor accelerationX 1.0 kfilteringFactor accelerationY acceleration.y kfilteringFactor accelerationY 1.0 kfilteringFactor..