1v1_7/MSYOUPAI/3rd/LZLiveAnimation/LZLiveAnimation.m

//
//  LZLiveAnimation.m
//  TIANYAN
//
//  Created by CY on 2021/6/3.
//  Copyright © 2021 leo. All rights reserved.
//

#import "LZLiveAnimation.h"

#define ANGLE_TO_RADIAN(angle) ((angle)/180.0* M_PI)

@implementation LZLiveAnimation

+ (void)showAnimationWithPoint:(CGPoint)point baseView:(UIView *)baseView{

    UIImage *image = [UIImage imageNamed:@"vqu_images_L_live_touch_animation"];
    
    CGRect rect = CGRectMake(point.x - image.size.width / 2.0f, point.y - image.size.height / 2.0f, image.size.width, image.size.height);
    UIImageView *imgV = [[UIImageView alloc] initWithFrame:rect];
    imgV.image = [UIImage imageNamed:@"vqu_images_L_live_touch_animation"];
    [baseView addSubview:imgV];
    
    NSString *scaleKey = @"transform.scale";
    CAKeyframeAnimation *animation = [CAKeyframeAnimation animationWithKeyPath:scaleKey];
    NSInteger scale = (arc4random() % 10) + 10;
    animation.values = @[@(2.0), @(0.6), @(2.0),@(0.6),@(scale * 0.1)];
    
    NSString *rotationKey = @"transform.rotation";
    CAKeyframeAnimation*anim = [CAKeyframeAnimation animationWithKeyPath:rotationKey];
    NSInteger rotation = arc4random() % 30;
    anim.values = @[@(ANGLE_TO_RADIAN(-15)),@(ANGLE_TO_RADIAN(15)),@(ANGLE_TO_RADIAN(-15)),@(ANGLE_TO_RADIAN(15)),@(ANGLE_TO_RADIAN(rotation))];

    CAAnimationGroup *group = [CAAnimationGroup animation];
    group.animations = @[animation,anim];
    group.duration = 0.35f;
    group.removedOnCompletion = NO;
    group.fillMode = kCAFillModeForwards;
    [imgV.layer addAnimation:group forKey:nil];
    
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 0.35f * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
        [UIView animateWithDuration:0.25f animations:^{
            imgV.alpha = 0.0f;
            CGRect rect = imgV.frame;
            rect.origin.x -= 10.0f;
            rect.origin.y -= 45.0f;
            imgV.frame = rect;
        } completion:^(BOOL finished) {
            [imgV removeFromSuperview];
        }];
    });
}

@end