Wiggle Effect

Wiggle for Animated Stickers

- (void) wiggleEffect
{
    
    CGFloat angle = 5.0 * M_PI / 180;
    CGAffineTransform leftWiggle = CGAffineTransformRotate(CGAffineTransformIdentity, -angle);
    CGAffineTransform rightWiggle = CGAffineTransformRotate(CGAffineTransformIdentity, angle);

    self.image.transform = leftWiggle;
    
    [UIView beginAnimations:@"wiggle" context:(__bridge void *)(self.image)];
    [UIView setAnimationDuration:0.2];
    [UIView setAnimationRepeatAutoreverses:YES];
    [UIView setAnimationRepeatCount:CGFLOAT_MAX];
    
    self.image.transform = rightWiggle;
    
    [UIView commitAnimations];
}