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2014/10/15 ¤U¤È 10:04:51
iphone Programming Glossary: cakeyframeanimationHow can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path to animate the motion of the image or view along a Bezier path. This is accomplished using a CAKeyframeAnimation. For example I've used the following code to animate an image of a view into an icon to indicate saving.. kCAFillModeForwards resizeAnimation.removedOnCompletion NO Set up path movement CAKeyframeAnimation pathAnimation CAKeyframeAnimation animationWithKeyPath @ position pathAnimation.calculationMode kCAAnimationPaced.. resizeAnimation.removedOnCompletion NO Set up path movement CAKeyframeAnimation pathAnimation CAKeyframeAnimation animationWithKeyPath @ position pathAnimation.calculationMode kCAAnimationPaced pathAnimation.fillMode..
how to create iphone's wobbling icon effect? http://stackoverflow.com/questions/929364/how-to-create-iphones-wobbling-icon-effect the image back and forth to create the wobbling effect. I've looked at using CABasicAnimation and CAKeyframeAnimation. CABasicAnimation creates a jitter every time it repeats because it jumps to the from position and doesn't.. a jitter every time it repeats because it jumps to the from position and doesn't interpolate back. CAKeyframeAnimation seems like the solution except that I can't get it to work. I must be missing something. Here's my code.. solution except that I can't get it to work. I must be missing something. Here's my code using the CAKeyframeAnimation which doesn't work NSString keypath @ wobbleImage CAKeyframeAnimation animation CAKeyframeAnimation..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path Nikolai said the best way to handle this is to use Core Animation to animate the motion of the image or view along a Bezier path. This is accomplished using a CAKeyframeAnimation. For example I've used the following code to animate an image of a view into an icon to indicate saving as can be seen in the video for this application First of.. imageFrame.size.height 40.0f imageFrame.size.width resizeAnimation.fillMode kCAFillModeForwards resizeAnimation.removedOnCompletion NO Set up path movement CAKeyframeAnimation pathAnimation CAKeyframeAnimation animationWithKeyPath @ position pathAnimation.calculationMode kCAAnimationPaced pathAnimation.fillMode kCAFillModeForwards pathAnimation.removedOnCompletion.. resizeAnimation.fillMode kCAFillModeForwards resizeAnimation.removedOnCompletion NO Set up path movement CAKeyframeAnimation pathAnimation CAKeyframeAnimation animationWithKeyPath @ position pathAnimation.calculationMode kCAAnimationPaced pathAnimation.fillMode kCAFillModeForwards pathAnimation.removedOnCompletion NO..
how to create iphone's wobbling icon effect? http://stackoverflow.com/questions/929364/how-to-create-iphones-wobbling-icon-effect an animated GIF. I think the idea is to slightly rotate the image back and forth to create the wobbling effect. I've looked at using CABasicAnimation and CAKeyframeAnimation. CABasicAnimation creates a jitter every time it repeats because it jumps to the from position and doesn't interpolate back. CAKeyframeAnimation seems like the.. and CAKeyframeAnimation. CABasicAnimation creates a jitter every time it repeats because it jumps to the from position and doesn't interpolate back. CAKeyframeAnimation seems like the solution except that I can't get it to work. I must be missing something. Here's my code using the CAKeyframeAnimation which doesn't work NSString.. interpolate back. CAKeyframeAnimation seems like the solution except that I can't get it to work. I must be missing something. Here's my code using the CAKeyframeAnimation which doesn't work NSString keypath @ wobbleImage CAKeyframeAnimation animation CAKeyframeAnimation animationWithKeyPath keypath animation.duration 1.0f animation.delegate..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path is to use Core Animation to animate the motion of the image or view along a Bezier path. This is accomplished using a CAKeyframeAnimation. For example I've used the following code to animate an image of a view into an icon to indicate saving as can be seen in.. resizeAnimation.fillMode kCAFillModeForwards resizeAnimation.removedOnCompletion NO Set up path movement CAKeyframeAnimation pathAnimation CAKeyframeAnimation animationWithKeyPath @ position pathAnimation.calculationMode kCAAnimationPaced pathAnimation.fillMode.. kCAFillModeForwards resizeAnimation.removedOnCompletion NO Set up path movement CAKeyframeAnimation pathAnimation CAKeyframeAnimation animationWithKeyPath @ position pathAnimation.calculationMode kCAAnimationPaced pathAnimation.fillMode kCAFillModeForwards..
How can I enforce an specific direction (i.e. clockwise) of rotation in Core Animation? http://stackoverflow.com/questions/1149635/how-can-i-enforce-an-specific-direction-i-e-clockwise-of-rotation-in-core-ani to 0º 180º and 360º in the first second and last frames respectively. Code follows CALayer layer someView.layer CAKeyframeAnimation animation animation CAKeyframeAnimation animationWithKeyPath @ transform.rotation.z animation.duration 1.0 animation.cumulative.. second and last frames respectively. Code follows CALayer layer someView.layer CAKeyframeAnimation animation animation CAKeyframeAnimation animationWithKeyPath @ transform.rotation.z animation.duration 1.0 animation.cumulative YES animation.repeatCount 1 animation.removedOnCompletion..
http://stackoverflow.com/questions/3844557/uiview-shake-animation does not work void animate const int numberOfShakes 8 const float durationOfShake 0.5f const float vigourOfShake 0.1f CAKeyframeAnimation shakeAnimation CAKeyframeAnimation animation CGRect frame lockView.frame CGMutablePathRef shakePath CGPathCreateMutable.. numberOfShakes 8 const float durationOfShake 0.5f const float vigourOfShake 0.1f CAKeyframeAnimation shakeAnimation CAKeyframeAnimation animation CGRect frame lockView.frame CGMutablePathRef shakePath CGPathCreateMutable CGPathMoveToPoint shakePath NULL CGRectGetMinX..
how can I use animation in cocos2d? http://stackoverflow.com/questions/486609/how-can-i-use-animation-in-cocos2d
How to create custom easing function with Core Animation? http://stackoverflow.com/questions/5161465/how-to-create-custom-easing-function-with-core-animation But I think it can be made a little simpler and more readable by using blocks. So we can define a category on CAKeyframeAnimation that looks something like this CAKeyframeAnimation Parametric.h this should be a function that takes a time value between.. and more readable by using blocks. So we can define a category on CAKeyframeAnimation that looks something like this CAKeyframeAnimation Parametric.h this should be a function that takes a time value between 0.0 and 1.0 where 0.0 is the beginning of the animation.. the starting value and 1.0 would produce the ending value typedef double ^KeyframeParametricBlock double @interface CAKeyframeAnimation Parametric id animationWithKeyPath NSString path function KeyframeParametricBlock block fromValue double fromValue toValue..
how to create iphone's wobbling icon effect? http://stackoverflow.com/questions/929364/how-to-create-iphones-wobbling-icon-effect to slightly rotate the image back and forth to create the wobbling effect. I've looked at using CABasicAnimation and CAKeyframeAnimation. CABasicAnimation creates a jitter every time it repeats because it jumps to the from position and doesn't interpolate back... creates a jitter every time it repeats because it jumps to the from position and doesn't interpolate back. CAKeyframeAnimation seems like the solution except that I can't get it to work. I must be missing something. Here's my code using the CAKeyframeAnimation.. seems like the solution except that I can't get it to work. I must be missing something. Here's my code using the CAKeyframeAnimation which doesn't work NSString keypath @ wobbleImage CAKeyframeAnimation animation CAKeyframeAnimation animationWithKeyPath..
Resize and move a UIView with Core Animation (CAKeyFrameAnimation) http://stackoverflow.com/questions/1887156/resize-and-move-a-uiview-with-core-animation-cakeyframeanimation and move a UIView with Core Animation CAKeyFrameAnimation Is this possible I can change the opacity and position center of the layer but whenever I try to change the size or origin..
What kind of value is keyTime in an CAKeyFrameAnimation? http://stackoverflow.com/questions/2184803/what-kind-of-value-is-keytime-in-an-cakeyframeanimation kind of value is keyTime in an CAKeyFrameAnimation For example I have this CAKeyFrameAnimation CALayer theLayer myView.layer CAKeyframeAnimation animation animation CAKeyframeAnimation.. kind of value is keyTime in an CAKeyFrameAnimation For example I have this CAKeyFrameAnimation CALayer theLayer myView.layer CAKeyframeAnimation animation animation CAKeyframeAnimation animationWithKeyPath @ transform.rotation.z..
Drawing a path with CAKeyFrameAnimation on iPhone http://stackoverflow.com/questions/4390911/drawing-a-path-with-cakeyframeanimation-on-iphone a path with CAKeyFrameAnimation on iPhone I want to draw a path gradually i.e. I want the path to appear as if it is drawn by hand. I have managed to create.. path to appear as if it is drawn by hand. I have managed to create the path I need. I have also managed to create a CAKeyFrameAnimation that uses this path. But so far I can only move an object along this path. I would like to both move an object say a pencil..
How to move a view along a curved path in iOS http://stackoverflow.com/questions/5839814/how-to-move-a-view-along-a-curved-path-in-ios
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