iOS开发——图形与动画篇OC篇&图层基本上动画

图层的一些基本动画效果

#define kRadianToDegrees (radian) (radian * 180.0) / (M_PI)

• ／／闪烁

[self.testView.layer addAnimation:[self opacityForever_Animation:0.5] forKey:nil];

• ／／移动

[self.testView.layer addAnimation:[self duration:3 move:[NSNumber numberWithInteger:200]] forKey:nil];

• ／／缩放

[self.testView.layer addAnimation:[self scale:[NSNumber numberWithInteger:1] orgin:[NSNumber numberWithInteger:3] durTimes:1 Rep:MAXFLOAT] forKey:nil] ;

• ／／组合

NSArray *myArray = [NSArray arrayWithObjects:[self opacityForever_Animation:0.5], [self duration:1.0f move:[NSNumber numberWithFloat:200.0f]], [self scale:[NSNumber numberWithFloat:1.0f] orgin:[NSNumber numberWithFloat:3.0f] durTimes:2.0f Rep:MAXFLOAT], nil];

[self.testView.layer addAnimation:[self groupAnimation:myArray durTimes:3.0f Rep:MAXFLOAT] forKey:nil];

• ／／路径

CGMutablePathRef myPah = CGPathCreateMutable();

CGPathMoveToPoint(myPah, nil,30, 77);

CGPathAddCurveToPoint(myPah, nil, 50, 50, 60, 200, 200, 200);//这里的是控制点。

[self.testView.layer addAnimation:[self keyframeAnimation:myPah durTimes:5 Rep:MAXFLOAT] forKey:nil];

• ／／旋转

[self.testView.layer addAnimation:[self rotation:2 degree:kRadianToDegrees(90) direction:1 repeatCount:MAXFLOAT] forKey:nil];

• ／／移除

[self.testView.layer removeAllAnimations];

/********************************方法的实现**************************************/

• #pragma mark === 闪烁 ======

 - (CABasicAnimation *)opacityForever_Animation:(float)time

 {

 CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"opacity"];//必须写opacity才行。

 animation.fromValue = [NSNumber numberWithFloat:1.0f];

 animation.toValue = [NSNumber numberWithFloat:0.0f];//这是透明度。

 animation.autoreverses = YES;

 animation.duration = time;

 animation.repeatCount = MAXFLOAT;

 animation.removedOnCompletion = NO;

 animation.fillMode = kCAFillModeForwards;

 animation.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];///没有的话是均匀的动画。

 return animation;

 }

• #pragma mark =====横向、纵向移动===========

 -(CABasicAnimation *)duration:(float)time move:(NSNumber *)x

 {

 CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.translation.x"];///.y的话就向下移动。

 animation.toValue = x;

 animation.duration = time;

 animation.removedOnCompletion = NO;//yes的话，又返回原位置了。

 animation.repeatCount = MAXFLOAT;

 animation.fillMode = kCAFillModeForwards;

 return animation;

 }

• #pragma mark =====缩放-=============

 -(CABasicAnimation *)scale:(NSNumber *)Multiple orgin:(NSNumber *)orginMultiple durTimes:(float)time Rep:(float)repertTimes

 {

 CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.scale"];

 animation.fromValue = Multiple;

 animation.toValue = orginMultiple;

 animation.autoreverses = YES;

 animation.repeatCount = repertTimes;

 animation.duration = time;//不设置时候的话，有一个默认的缩放时间.

 animation.removedOnCompletion = NO;

 animation.fillMode = kCAFillModeForwards;

 return  animation;

 }

• #pragma mark =====组合动画-=============

 -(CAAnimationGroup *)groupAnimation:(NSArray *)animationAry durTimes:(float)time Rep:(float)repeatTimes

 {

 CAAnimationGroup *animation = [CAAnimationGroup animation];

 animation.animations = animationAry;

 animation.duration = time;

 animation.removedOnCompletion = NO;

 animation.repeatCount = repeatTimes;

 animation.fillMode = kCAFillModeForwards;

 return animation;

 }

• #pragma mark =====路径动画-=============

 -(CAKeyframeAnimation *)keyframeAnimation:(CGMutablePathRef)path durTimes:(float)time Rep:(float)repeatTimes

 {

 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;

 }

 #pragma mark ====旋转动画======
 -(CABasicAnimation *)rotation:(float)dur degree:(float)degree direction:(int)direction repeatCount:(int)repeatCount

 {

 CATransform3D rotationTransform = CATransform3DMakeRotation(degree, , , direction);

 CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform"];

 animation.toValue = [NSValue valueWithCATransform3D:rotationTransform];

 animation.duration  =  dur;

 animation.autoreverses = NO;

 animation.cumulative = NO;

 animation.fillMode = kCAFillModeForwards;

 animation.repeatCount = repeatCount;

 animation.delegate = self;

 return animation;

 }