动画浅析-CAAnimation和CATransition
//动画播放完之后不恢复初始状态
baseAnimation.removedOnCompletion = NO; baseAnimation.fillMode = kCAFillModeForwards;
CATransition 动画主要作用在一个视图上
[_imgPic setImage:image];// 设置新的图片
CATransition *animation = [CATransition animation];
[animation setDuration:1.0];
[animation setFillMode:kCAFillModeForwards];
[animation setTimingFunction:[CAMediaTimingFunctionfunctionWithName:kCAMediaTimingFunctionEaseOut]];
[animation setType:@"rippleEffect"];// rippleEffect
[animation setSubtype:kCATransitionFromTop];
[_imgPic.layer addAnimation:animation forKey:nil];
@interface CATransition : CAAnimation
CAAnimation
is an abstract animation class. It provides the basic support for the CAMediaTiming
and CAAction
protocols.CAMediaTiming协议
可以调整时间,包括持续时间,速度,重复次数。
CAAction协议
可以通过响应动作的方式来显示动画。
CAAnimation有很多派生类
CATransition 提供渐变效果:(推拉push效果,消退fade效果,揭开reveal效果)。
CAAnimationGroup 允许多个动画同时播放。
CABasicAnimation 提供了对单一动画的实现。
CAKeyframeAnimation 关键桢动画,可以定义行动路线。
CAConstraint 约束类,在布局管理器类中用它来设置属性。
CAConstraintLayoutManager 约束布局管理器,是用来将多个CALayer进行布局的.各个CALayer是通过名称来区分,而布局属性是通过CAConstraint来设置的。
CATransaction 事务类,可以对多个layer的属性同时进行修改.它分隐式事务,和显式事务。
delegate
removedOnCompletion
defaultValueForKey
shouldArchiveValueForKey
animationDidStart
animationDidStop:finished
2.CABasicAnimation
CABasicAnimation animationWithKeyPath 一些规定的值
CABasicAnimation animationWithKeyPath Types
When using the ‘CABasicAnimation’ from the QuartzCore Framework in Objective-C, you have to specify an animationWithKeyPath. This is a long string and is not easily listed in the CABasicAnimation, CAPropertyAnimation, or the CAAnimation class. I ended up finding a handy chart within the Core Animation Programming guide in Apple’s iPhone OS Reference Library. Hope this helps save someone time, at least it will for me.
画图动作: strokeEnd
CABasicAnimation *theAnimation;
theAnimation=[CABasicAnimation animationWithKeyPath:@"transform.translation.y"];
theAnimation.delegate = self;
theAnimation.duration = 1;
theAnimation.repeatCount = 0;
theAnimation.removedOnCompletion = FALSE;
theAnimation.fillMode = kCAFillModeForwards;
theAnimation.autoreverses = NO;
theAnimation.fromValue = [NSNumber numberWithFloat:0];
theAnimation.toValue = [NSNumber numberWithFloat:-60];
[self.view.layer addAnimation:theAnimation forKey:@"animateLayer"];
我们可以通过animationWithKeyPath键值对的方式来改变动画
animationWithKeyPath的值: transform.scale = 比例轉換
transform.scale.x = 闊的比例轉換
transform.scale.y = 高的比例轉換
transform.rotation.z = 平面圖的旋轉
opacity = 透明度 margin
zPosition backgroundColor cornerRadius
borderWidth bounds
contents contentsRect
cornerRadius
frame hidden mask masksToBounds
opacity position shadowColor shadowOffset shadowOpacity
shadowRadius
[self. ui_View.layer removeAllAnimations]; CABasicAnimation *pulse = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
pulse.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
pulse.duration = 0.5 + (rand() % 10) * 0.05;
pulse.repeatCount = 1;
pulse.autoreverses = YES;
pulse.fromValue = [NSNumber numberWithFloat:.8];
pulse.toValue = [NSNumber numberWithFloat:1.2];
[self.ui_View.layer addAnimation:pulse forKey:nil]; // bounds CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"bounds"];
anim.duration = 1.f;
anim.fromValue = [NSValue valueWithCGRect:CGRectMake(0,0,10,10)];
anim.toValue = [NSValue valueWithCGRect:CGRectMake(10,10,200,200)];
anim.byValue = [NSValue valueWithCGRect:self. ui_View.bounds];
// anim.toValue = (id)[UIColor redColor].CGColor;
// anim.fromValue = (id)[UIColor blackColor].CGColor; anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
anim.repeatCount = 1;
anim.autoreverses = YES; [ui_View.layer addAnimation:anim forKey:nil];
//cornerRadius CABasicAnimation *anim2 = [CABasicAnimation animationWithKeyPath:@"cornerRadius"];
anim2.duration = 1.f;
anim2.fromValue = [NSNumber numberWithFloat:0.f];
anim2.toValue = [NSNumber numberWithFloat:20.f];
anim2.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
anim2.repeatCount = CGFLOAT_MAX;
anim2.autoreverses = YES; [ui_View.layer addAnimation:anim2 forKey:@"cornerRadius"]; //contents CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"contents"];
anim.duration = 1.f;
anim.fromValue = (id)[UIImage imageNamed:@"1.jpg"].CGImage;
anim.toValue = (id)[UIImage imageNamed:@"2.png"].CGImage;
// anim.byValue = (id)[UIImage imageNamed:@"3.png"].CGImage;
// anim.toValue = (id)[UIColor redColor].CGColor;
// anim.fromValue = (id)[UIColor blackColor].CGColor; anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
anim.repeatCount = CGFLOAT_MAX;
anim.autoreverses = YES; [ui_View.layer addAnimation:anim forKey:nil]; [ui_View.layer setShadowOffset:CGSizeMake(2,2)];
[ui_View.layer setShadowOpacity:1];
[ui_View.layer setShadowColor:[UIColor grayColor].CGColor];
//
CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"shadowColor"];
anim.duration = 1.f;
anim.toValue = (id)[UIColor redColor].CGColor;
anim.fromValue = (id)[UIColor blackColor].CGColor; anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
anim.repeatCount = CGFLOAT_MAX;
anim.autoreverses = YES; [ui_View.layer addAnimation:anim forKey:nil]; CABasicAnimation *_anim = [CABasicAnimation animationWithKeyPath:@"shadowOffset"];
_anim.duration = 1.f;
_anim.fromValue = [NSValue valueWithCGSize:CGSizeMake(0,0)];
_anim.toValue = [NSValue valueWithCGSize:CGSizeMake(3,3)]; _anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
_anim.repeatCount = CGFLOAT_MAX;
_anim.autoreverses = YES; [ui_View.layer addAnimation:_anim forKey:nil]; CABasicAnimation *_anim1 = [CABasicAnimation animationWithKeyPath:@"shadowOpacity"];
_anim1.duration = 1.f;
_anim1.fromValue = [NSNumber numberWithFloat:0.5];
_anim1.toValue = [NSNumber numberWithFloat:1]; _anim1.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
_anim1.repeatCount = CGFLOAT_MAX;
_anim1.autoreverses = YES; [ui_View.layer addAnimation:_anim1 forKey:nil]; CABasicAnimation *_anim2 = [CABasicAnimation animationWithKeyPath:@"shadowRadius"];
_anim2.duration = 1.f;
_anim2.fromValue = [NSNumber numberWithFloat:10];
_anim2.toValue = [NSNumber numberWithFloat:5]; _anim2.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
_anim2.repeatCount = CGFLOAT_MAX;
_anim2.autoreverses = YES; [ui_View.layer addAnimation:_anim2 forKey:nil];
几个可以用来实现热门APP应用PATH中menu效果的几个方法
+(CABasicAnimation *)opacityForever_Animation:(float)time //永久闪烁的动画
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"opacity"];
animation.fromValue=[NSNumber numberWithFloat:1.0];
animation.toValue=[NSNumber numberWithFloat:0.0];
animation.autoreverses=YES;
animation.duration=time;
animation.repeatCount=FLT_MAX;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CABasicAnimation *)opacityTimes_Animation:(float)repeatTimes durTimes:(float)time; //有闪烁次数的动画
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"opacity"];
animation.fromValue=[NSNumber numberWithFloat:1.0];
animation.toValue=[NSNumber numberWithFloat:0.4];
animation.repeatCount=repeatTimes;
animation.duration=time;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
animation.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
animation.autoreverses=YES;
return animation;
}
+(CABasicAnimation *)moveX:(float)time X:(NSNumber *)x //横向移动
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"transform.translation.x"];
animation.toValue=x;
animation.duration=time;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CABasicAnimation *)moveY:(float)time Y:(NSNumber *)y //纵向移动
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"transform.translation.y"];
animation.toValue=y;
animation.duration=time;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CABasicAnimation *)scale:(NSNumber *)Multiple orgin:(NSNumber *)orginMultiple durTimes:(float)time Rep:(float)repeatTimes //缩放
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"transform.scale"];
animation.fromValue=orginMultiple;
animation.toValue=Multiple;
animation.duration=time;
animation.autoreverses=YES;
animation.repeatCount=repeatTimes;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CAAnimationGroup *)groupAnimation:(NSArray *)animationAry durTimes:(float)time Rep:(float)repeatTimes //组合动画
{
CAAnimationGroup *animation=[CAAnimationGroup animation];
animation.animations=animationAry;
animation.duration=time;
animation.repeatCount=repeatTimes;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CAKeyframeAnimation *)keyframeAniamtion:(CGMutablePathRef)path durTimes:(float)time Rep:(float)repeatTimes //路径动画
{
CAKeyframeAnimation *animation=[CAKeyframeAnimation animationWithKeyPath:@"position"];
animation.path=path;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
animation.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
animation.autoreverses=NO;
animation.duration=time;
animation.repeatCount=repeatTimes;
return animation;
}
+(CABasicAnimation *)movepoint:(CGPoint )point //点移动
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"transform.translation"];
animation.toValue=[NSValue valueWithCGPoint:point];
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CABasicAnimation *)rotation:(float)dur degree:(float)degree direction:(int)direction repeatCount:(int)repeatCount //旋转
{
CATransform3D rotationTransform = CATransform3DMakeRotation(degree, 0, 0,direction);
CABasicAnimation* animation;
animation = [CABasicAnimation animationWithKeyPath:@"transform"];
animation.toValue= [NSValue valueWithCATransform3D:rotationTransform];
animation.duration= dur;
animation.autoreverses= NO;
animation.cumulative= YES;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
animation.repeatCount= repeatCount;
animation.delegate= self;
return animation;
}
实现view放大再缩小的效果
- (void)viewDidLoad { [super viewDidLoad]; layer=[CALayer layer]; layer.frame=CGRectMake(50, 200, 50, 50); layer.backgroundColor=[UIColor orangeColor].CGColor; layer.cornerRadius=8.0f; CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"transform.translation.y"]; animation.duration=4.0f; animation.autoreverses=NO; animation.repeatCount=1; animation.toValue=[NSNumber numberWithInt:-10]; animation.fromValue=[NSNumber numberWithInt:200]; animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]; CABasicAnimation *animationZoomIn=[CABasicAnimation animationWithKeyPath:@"transform.scale"]; animationZoomIn.duration=2.0f; animationZoomIn.autoreverses=NO; animationZoomIn.repeatCount=1; animationZoomIn.toValue=[NSNumber numberWithFloat:1.56]; animationZoomIn.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn]; CABasicAnimation *animationZoomOut=[CABasicAnimation animationWithKeyPath:@"transform.scale"]; animationZoomOut.beginTime=2.0f; animationZoomOut.duration=2.0f; animationZoomOut.autoreverses=NO; animationZoomOut.repeatCount=1; animationZoomOut.toValue=[NSNumber numberWithFloat:.01]; animationZoomOut.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut]; CAAnimationGroup *group=[CAAnimationGroup animation]; group.duration=4.0f; group.animations=[NSArray arrayWithObjects: animation, animationZoomIn, animationZoomOut,nil]; group.removedOnCompletion=NO; group.fillMode=kCAFillModeForwards; [layer addAnimation:group forKey:nil]; [self.view.layer addSublayer:layer]; //layer.hidden=YES; }
3.CATransition的type
1.#define定义的常量
kCATransitionFade 交叉淡化过渡
kCATransitionMoveIn 新视图移到旧视图上面
kCATransitionPush 新视图把旧视图推出去
kCATransitionReveal 将旧视图移开,显示下面的新视图
2.用字符串表示
pageCurl 向上翻一页
pageUnCurl 向下翻一页
rippleEffect 滴水效果
suckEffect 收缩效果,如一块布被抽走
cube 立方体效果
flip 左右翻转
oglFlip 上下翻转效果
示例:
CATransition *animation=[CATransition animation];
animation.delegate=self;
animation.duration=1.0f;animation.timingFunction=UIViewAnimationCurveEaseInOut;
animation.type=kCATransitionMoveIn;
animation.subtype=kCATransitionFromTop;
[myView.layer addAnimation:animation forKey:@"move in"];CGMutablePathRef path2 = CGPathCreateMutable();
CGPathAddArc(path2, NULL, , , , M_PI, * M_PI , NO);
CAShapeLayer *shapeLayer22 = [CAShapeLayer layer];
shapeLayer22.path = path2;
shapeLayer22.strokeColor = [UIColor greenColor].CGColor;
shapeLayer22.fillColor = [UIColor clearColor].CGColor;
shapeLayer22.lineWidth = ; CABasicAnimation *basicAnimation2 = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
basicAnimation2.duration = ;
basicAnimation2.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
basicAnimation2.removedOnCompletion = NO;
basicAnimation2.fromValue = [NSNumber numberWithFloat:];
basicAnimation2.toValue = [NSNumber numberWithFloat:];
[shapeLayer22 addAnimation:basicAnimation2 forKey:@"basicAnimation2"]; CGPathRelease(path2);
[self.layer addSublayer:shapeLayer22];
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