2014/10/15 下午 10:05:48

iphone Programming Glossary: currentdistance

Drag UIView around Shape Comprised of CGMutablePaths

http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths

moveHandleTowardPoint CGPoint point CGFloat earlierDistance self distanceToPoint point ifHandleMovesByOffset 1 CGFloat currentDistance self distanceToPoint point ifHandleMovesByOffset 0 CGFloat laterDistance self distanceToPoint point ifHandleMovesByOffset.. possible that both directions would move the handle further from the desired point so let's bail out in that case if currentDistance earlierDistance currentDistance laterDistance return OK so at least one of the directions will move the handle closer. Let's.. would move the handle further from the desired point so let's bail out in that case if currentDistance earlierDistance currentDistance laterDistance return OK so at least one of the directions will move the handle closer. Let's figure out which one NSInteger..

Corelocation framework does not produce accurate distances

http://stackoverflow.com/questions/3118773/corelocation-framework-does-not-produce-accurate-distances

void computeDistanceFrom CLLocation oldL tO CLLocation newL NSLog @ oldd @ oldL NSLog @ new @ newL CLLocationDistance currentDistance oldL distanceFromLocation newL NSLog @ you have travel f currentDistance distance distance currentDistance double distanceInKm.. @ oldL NSLog @ new @ newL CLLocationDistance currentDistance oldL distanceFromLocation newL NSLog @ you have travel f currentDistance distance distance currentDistance double distanceInKm distance 1000 NSString distanceLabelValue NSString stringWithFormat.. currentDistance oldL distanceFromLocation newL NSLog @ you have travel f currentDistance distance distance currentDistance double distanceInKm distance 1000 NSString distanceLabelValue NSString stringWithFormat @ 1.2f Kms distanceInKm distanceLabel.text..

Applying Zoom Effect In cocos2D gaming environment?

http://stackoverflow.com/questions/5919180/applying-zoom-effect-in-cocos2d-gaming-environment

touchTwo previousLocationInView touchTwo view Get the distance for the current and previous touches. CGFloat currentDistance sqrt pow touchLocationOne.x touchLocationTwo.x 2.0f pow touchLocationOne.y touchLocationTwo.y 2.0f CGFloat previousDistance.. 2.0f pow previousLocationOne.y previousLocationTwo.y 2.0f Get the delta of the distances. CGFloat distanceDelta currentDistance previousDistance Next position the camera to the middle of the pinch. Get the middle position of the pinch. CGPoint pinchCenter..