2014/10/15 下午 10:09:25

iphone Programming Glossary: fromvalue

iOS Paper fold (origami / accordion) effect animation, with manual control

http://stackoverflow.com/questions/11157888/ios-paper-fold-origami-accordion-effect-animation-with-manual-control

CAAnimation openAnimation CAKeyframeAnimation animationWithKeyPath @ position.x function openFunction fromValue self.frame.origin.x self.frame.size.width 2 toValue selfFrame.origin.x self.frame.size.width 2 openAnimation.fillMode kCAFillModeForwards..

CGAffineTransformMakeRotation counter clockwise always

http://stackoverflow.com/questions/13791582/cgaffinetransformmakerotation-counter-clockwise-always

greater than 180 degrees In response to comments maybe this will help In my code I actually use rotationAnimation.fromValue rotationAnimation.toValue instead of rotationAnimation.byValue. The rotation is always going to be counter clockwise if.. of rotationAnimation.byValue. The rotation is always going to be counter clockwise if the toValue is less than the fromValue. It doesn't matter if your values are positive or negative only the relation between them. Figure out what your starting.. rotationAnimation rotationAnimation CABasicAnimation animationWithKeyPath @ transform.rotation.z rotationAnimation.fromValue 0 rotationAnimation.toValue NSNumber numberWithFloat angle rotationAnimation.duration duration rotationAnimation.timingFunction..

How to create custom easing function with Core Animation?

http://stackoverflow.com/questions/5161465/how-to-create-custom-easing-function-with-core-animation

@interface CAKeyframeAnimation Parametric id animationWithKeyPath NSString path function KeyframeParametricBlock block fromValue double fromValue toValue double toValue CAKeyframeAnimation Parametric.m @implementation CAKeyframeAnimation Parametric.. Parametric id animationWithKeyPath NSString path function KeyframeParametricBlock block fromValue double fromValue toValue double toValue CAKeyframeAnimation Parametric.m @implementation CAKeyframeAnimation Parametric id animationWithKeyPath.. CAKeyframeAnimation Parametric id animationWithKeyPath NSString path function KeyframeParametricBlock block fromValue double fromValue toValue double toValue get a keyframe animation to set up CAKeyframeAnimation animation CAKeyframeAnimation..

How do you explicitly animate a CALayer's backgroundColor?

http://stackoverflow.com/questions/518192/how-do-you-explicitly-animate-a-calayers-backgroundcolor

osx core animation share improve this question You don't need to wrap CGColorRefs when setting the toValue or fromValue properties of a CABasicAnimation. Simply use the CGColorRef. To avoid the compiler warning you can cast the CGColorRef to..