Some basic animation effects of layers and layer animation Effects

Some basic animation effects of layers and layer animation Effects

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

// Flashing

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

// Move

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

// Zoom

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

// Combination

NSArray * myArray = [NSArray arrayWithObjects: [self increment: 0.5], [self duration: 1.0f move: [NSNumber numberWithFloat: 2001_f], [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];

// Path

CGMutablePathRef mypha = CGPathCreateMutable ();

CGPathMoveToPoint (mypha, nil, 30, 77 );

CGPathAddCurveToPoint (myp2, nil, 50, 50, 60,200,200,200); // here is the control point.

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

// Rotate

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

// Remove

[Self. testView. layer removeAllAnimations];

 

 

# Pragma mark ==== blinking ======

-(CABasicAnimation *) opacityForever_Animation :( float) time

{

CABasicAnimation * animation = [CABasicAnimation animationWithKeyPath: @ "opacity"]; // you must write opacity.

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

Animation. toValue = [NSNumber numberWithFloat: 0.0f]; // This is transparency.

Animation. autoreverses = YES;

Animation. duration = time;

Animation. repeatCount = MAXFLOAT;

Animation. removedOnCompletion = NO;

Animation. fillMode = kCAFillModeForwards;

Animation. timingFunction = [CAMediaTimingFunction functionWithName: kCAMediaTimingFunctionEaseIn]; // If not, the animation is even.

Return animation;

}

 

# Pragma mark ==== horizontal and vertical movement ================

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

{

CABasicAnimation * animation = [CABasicAnimation animationWithKeyPath: @ "transform. translation. x"]; //. y moves down.

Animation. toValue = x;

Animation. duration = time;

Animation. removedOnCompletion = NO; // If yes, the original position is returned.

Animation. repeatCount = MAXFLOAT;

Animation. fillMode = kCAFillModeForwards;

Return animation;

}

 

# Pragma mark ====== zoom-==================

-(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; // if not set, there is a default zoom time.

Animation. removedOnCompletion = NO;

Animation. fillMode = kCAFillModeForwards;

Return animation;

}

 

# Pragma mark ===== composite animation-================

-(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 ===== path animation-==================

-(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 ==== rotating animation ======

-(CABasicAnimation *) rotation :( float) dur degree :( float) degree direction :( int) direction repeatCount :( int) repeatCount

{

CATransform3D rotationTransform = CATransform3DMakeRotation (degree, 0, 0, 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;

}