CoreAnimation 核心动画

- (void)createBaseAnimation{

//基础动画

CABasicAnimation *animation = [CABasicAnimation animation];

animation.keyPath = @"bounds";

//    animation.fromValue = [NSValue valueWithCGRect:CGRectMake(0, 0, 300, 300)];//默认为现在的状态

animation.toValue = [NSValue valueWithCGRect:CGRectMake(0, 0, 300, 300)];

animation.duration = 2;

animation.removedOnCompletion = NO;  //动画之后保持最新

animation.fillMode = kCAFillModeForwards;  //最新样式

animation.delegate = self;

[view.layer addAnimation:animation forKey:nil];

}

- (void)animationDidStart:(CAAnimation *)anim{

NSLog(@"动画开始时调用");

}

- (void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag{

NSLog(@"动画结束时调用");

}

- (void)createKeyFrameAnimation{

//帧动画

CAKeyframeAnimation *animation = [CAKeyframeAnimation animation];

animation.keyPath = @"position";

//路径

//    CGMutablePathRef path = CGPathCreateMutable();

//    CGPathAddEllipseInRect(path, nil, CGRectMake(100, 100, 200, 200));

//

//    animation.path = path;

//注意:与基础动画的区别:可以设置多个点/一堆值

NSValue *value1 = [NSValue valueWithCGPoint:CGPointMake(0, 0)];

NSValue *value2 = [NSValue valueWithCGPoint:CGPointMake(0, 300)];

NSValue *value3 = [NSValue valueWithCGPoint:CGPointMake(300, 0)];

animation.values = @[value1,value2,value3];

//动画的执行节奏

animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];

animation.duration = 5;

animation.removedOnCompletion = NO;  //动画之后保持最新

animation.fillMode = kCAFillModeForwards;  //最新样式

[view.layer addAnimation:animation forKey:nil];

}

- (void)createTransiton{

//转场动画

CATransition *animaiton = [CATransition animation];

//动画过渡类型

animaiton.type = @"cube";

//过渡方向

animaiton.subtype = kCATransitionFade;

animaiton.duration = 3;

[view.layer addAnimation:animaiton forKey:nil];

}

- (void)createAnimationGroup{

//动画分组(旋转+缩放)

//1.旋转

CABasicAnimation *rotationAnimaiton = [CABasicAnimation animation];

rotationAnimaiton.keyPath = @"transform.rotation.z";

rotationAnimaiton.toValue = @(M_PI_4 * 3);

rotationAnimaiton.duration = 5;

rotationAnimaiton.repeatCount = MAXFLOAT;

//2.缩放

CABasicAnimation *scaleAnimation = [CABasicAnimation animation];

scaleAnimation.keyPath = @"transform";

scaleAnimation.toValue = [NSValue valueWithCATransform3D:CATransform3DMakeScale(2, 2, 0)];

scaleAnimation.duration = 5;

//动画分组

CAAnimationGroup *group = [CAAnimationGroup animation];

group.animations = @[rotationAnimaiton,scaleAnimation];

group.removedOnCompletion = NO;

group.fillMode = kCAFillModeForwards;

group.duration = 5;

[view.layer addAnimation:group forKey:nil];

}