![CAKeyframeAnimation
•3つ以上の値を補完するアニメーション
•values
•path (CGPoint)
values[0] values[2]values[1]](https://image.slidesharecdn.com/cakeyframeanimation-130820075413-phpapp01/85/CAKeyframeAnimation-8-320.jpg)
![パターン1. values
• values[n]
• keyTimes[n] (0...1) duration内の%
• timingFunctions[n-1] (オプション)
timingFunction](https://image.slidesharecdn.com/cakeyframeanimation-130820075413-phpapp01/85/CAKeyframeAnimation-10-320.jpg)
![values[0] values[2]values[1]
keyTimes[0] = 0 keyTimes[1] = 0..1 keyTimes[2] = 1
timingFunctions[0] timingFunctions[1]
< <](https://image.slidesharecdn.com/cakeyframeanimation-130820075413-phpapp01/85/CAKeyframeAnimation-11-320.jpg)
![values[0] values[2]values[1]
keyTimes[0] = 0 keyTimes[1] = 0..1 keyTimes[2] = 1
timingFunctions[0] timingFunctions[1]
< <
keyframe](https://image.slidesharecdn.com/cakeyframeanimation-130820075413-phpapp01/85/CAKeyframeAnimation-12-320.jpg)
![デモ
※ Keynoteを中断する時は[H]を押す](https://image.slidesharecdn.com/cakeyframeanimation-130820075413-phpapp01/85/CAKeyframeAnimation-14-320.jpg)
![デモ
※ Keynoteを中断する時は[H]を押す](https://image.slidesharecdn.com/cakeyframeanimation-130820075413-phpapp01/85/CAKeyframeAnimation-17-320.jpg)
![values[0] values[2]values[1]
keyTimes[0] = 0 keyTimes[1] = 0..1 keyTimes[2] = 1
timingFunctions[0] timingFunctions[1]
tensionValues[0]
continuityValues[0]
biasValues[0]
tensionValues[1]
continuityValues[1]
biasValues[1]
tensionValues[2]
continuityValues[2]
biasValues[2]](https://image.slidesharecdn.com/cakeyframeanimation-130820075413-phpapp01/85/CAKeyframeAnimation-20-320.jpg)
![デモ
※ Keynoteを中断する時は[H]を押す](https://image.slidesharecdn.com/cakeyframeanimation-130820075413-phpapp01/85/CAKeyframeAnimation-23-320.jpg)
![CAKeyframeAnimation *theAnimation =
[CAKeyframeAnimation animationWithKeyPath:@"position"];
theAnimation.path = path;
CAAnimationGroup *theGroup = [CAAnimationGroup animation];
theGroup.animations = [NSArray arrayWithObject:theAnimation];
theGroup.timingFunction =
[CAMediaTimingFunction
functionWithName:kCAMediaTimingFunctionEaseIn];
theGroup.duration = 15.0;
[theLayer addAnimation:theGroup forKey:@"animatePosition"];](https://image.slidesharecdn.com/cakeyframeanimation-130820075413-phpapp01/85/CAKeyframeAnimation-26-320.jpg)
CAKeyframeAnimation
- 2. • ふじしげ ゆういち • @nakiwo • 株式会社フィードテイラー http://feedtailor.jp/ Book+ そら案内 Slidrs
- 3. • ふじしげ ゆういち • @nakiwo • http://www.nakiwo.com/ 洞窟物語 めがね (Mac AppStore)
- 10. パターン1. values • values[n] • keyTimes[n] (0...1) duration内の% • timingFunctions[n-1] (オプション) timingFunction
- 11. values[0] values[2]values[1] keyTimes[0] = 0 keyTimes[1] = 0..1 keyTimes[2] = 1 timingFunctions[0] timingFunctions[1] < <
- 12. values[0] values[2]values[1] keyTimes[0] = 0 keyTimes[1] = 0..1 keyTimes[2] = 1 timingFunctions[0] timingFunctions[1] < < keyframe
- 15. パターン2. path • CGPointのアニメーションをCGPathで指定 • animation.path (valuesは無視される) • 補間モード kCAAnimationPaced • keyTimesが無効になり、pathを一定のタイ ミングで辿る
- 16. • rotationMode • kCAAnimationRotateAuto • kCAAnimationRotateAutoReverse
- 18. パターン３. cubic • valuesでCGPointを指定。指定したポイントを通過す るようにアニメーションする • 補間モード kCAAnimationCubic • Catmull-Rom spline • 曲線の微調整可能 • 補間モード kCAAnimationPaced • keyTimesが無効になる
- 19. kCAAnimationCubic • valuesにCGPointを設定 • tensionValues, continuityValues, biasValues で微 調整 • http://en.wikipedia.org/wiki/Kochanek- Bartels_spline
- 20. values[0] values[2]values[1] keyTimes[0] = 0 keyTimes[1] = 0..1 keyTimes[2] = 1 timingFunctions[0] timingFunctions[1] tensionValues[0] continuityValues[0] biasValues[0] tensionValues[1] continuityValues[1] biasValues[1] tensionValues[2] continuityValues[2] biasValues[2]
- 25. • CAAnimationGroupを使う • Using a Single Timing Function For a Keyframe Animation • Core Animation Cookbook https://developer.apple.com/library/mac/ #documentation/GraphicsImaging/Conceptual/ CoreAnimation_Cookbook/Articles/Timing.html
- 26. CAKeyframeAnimation *theAnimation = [CAKeyframeAnimation animationWithKeyPath:@"position"]; theAnimation.path = path; CAAnimationGroup *theGroup = [CAAnimationGroup animation]; theGroup.animations = [NSArray arrayWithObject:theAnimation]; theGroup.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn]; theGroup.duration = 15.0; [theLayer addAnimation:theGroup forKey:@"animatePosition"];
- 27. おわり