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;
}