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2014/10/15 ¤U¤È 10:13:50

iphone Programming Glossary: self.rolltol

Using quaternion instead of roll, pitch and yaw to track device motion

http://stackoverflow.com/questions/19239482/using-quaternion-instead-of-roll-pitch-and-yaw-to-track-device-motion

doubleForKey @ DeviceRoll 1 self.rollDot setFrame CGRectMake 150 195 20 20 self.rollToR.hidden YES self.rollToL.hidden YES self.rollDot.hidden NO rollOk YES else rollOk NO self.rollDot.hidden YES self.rollToR.hidden NO self.rollToL.hidden.. YES self.rollDot.hidden NO rollOk YES else rollOk NO self.rollDot.hidden YES self.rollToR.hidden NO self.rollToL.hidden NO if tempRoll self.deviceStatus doubleForKey @ DeviceRoll 0 xRoll 150 tempRoll self.deviceStatus doubleForKey.. @ DeviceRoll 0 xRoll 150 tempRoll self.deviceStatus doubleForKey @ DeviceRoll self.rollToR.hidden YES if xRoll 0 self.rollToL setFrame CGRectMake 0 195 20 20 else if xRoll 300 self.rollToL setFrame CGRectMake 300 195 20 20 else self.rollToL setFrame..