IOS/HappyJob/HappyJob/Components/FBKit/Category/UIImageView+FBRotation.m

//
//  UIImageView+FBRotation.m
//  HappyJob
//
//  Created by Bob on 2019/4/29.
//  Copyright © 2019 Bob. All rights reserved.
//

#import "UIImageView+FBRotation.h"

@implementation UIImageView (FBRotation)

- (void)fb_startAnimation {
    CGFloat speed = 1.0;
    [self fb_startAnimationWithSpeed:speed];
}

- (void)fb_startAnimationWithSpeed:(CGFloat)speed {
    CABasicAnimation *rotationAnimation;
    rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
    // 默认是逆时针效果，若将fromValue和toValue的值互换，则为顺时针效果
    rotationAnimation.fromValue = [NSNumber numberWithFloat:M_PI*speed];
    rotationAnimation.toValue = [NSNumber numberWithFloat:0.f];
    rotationAnimation.duration = 1;
    rotationAnimation.repeatCount = HUGE_VALF;
    [self.layer addAnimation:rotationAnimation forKey:@"rotationAnimation"];
}

- (void)fb_stopAnimation {
    [self.layer removeAllAnimations];
}

@end