- (void)viewDidLoad {

    [super viewDidLoad];

    perspective = 1/2500.f;

    CATransform3D transformBookCover = CATransform3DIdentity;
    transformBookCover.m34 = perspective;
    transformBookCover = CATransform3DRotate(transformBookCover, 0.f * M_PI / 180.f, 0, 1.f, 0);
    self.imgViewBookCover.layer.transform = transformBookCover;

    CATransform3D transformBookWidth = CATransform3DIdentity;
    transformBookWidth.m34 = perspective;
    transformBookWidth = CATransform3DRotate(transformBookWidth, -90.f * M_PI / 180.f, 0, 1.f, 0);
    self.viewBookWidth.layer.transform = transformBookWidth;
}


- (void)completeSplash {

    CATransform3D transformBookCover = CATransform3DIdentity;
    transformBookCover.m34 = perspective;
    transformBookCover = CATransform3DRotate(transformBookCover, 90.f * M_PI / 180.f, 0, 1.f, 0);
    [self setAnchorPoint:CGPointMake(0, 0.5f) forView:self.imgViewBookCover];

    CATransform3D transformBookWidth = CATransform3DIdentity;
    transformBookWidth.m34 = perspective;
    transformBookWidth = CATransform3DRotate(transformBookWidth, 0 * M_PI / 180.f, 0, 1.f, 0);
    transformBookWidth = CATransform3DTranslate(transformBookWidth, -320.f, 0, 0);

    [UIView animateWithDuration:3.f delay:0 options:UIViewAnimationOptionCurveLinear animations:^{
        self.imgViewBookCover.layer.transform = transformBookCover;
        self.viewBookWidth.layer.transform = transformBookWidth;
    } completion:^(BOOL finished) {
    }];
}


- (void)setAnchorPoint:(CGPoint)anchorPoint forView:(UIView *)view {

    CGPoint newPoint = CGPointMake(view.bounds.size.width * anchorPoint.x, view.bounds.size.height * anchorPoint.y);
    CGPoint oldPoint = CGPointMake(view.bounds.size.width * view.layer.anchorPoint.x, view.bounds.size.height * view.layer.anchorPoint.y);

    newPoint = CGPointApplyAffineTransform(newPoint, view.transform);
    oldPoint = CGPointApplyAffineTransform(oldPoint, view.transform);

    CGPoint position = view.layer.position;

    position.x -= oldPoint.x;
    position.x += newPoint.x;

    position.y -= oldPoint.y;
    position.y += newPoint.y;

    view.layer.position = position;
    view.layer.anchorPoint = anchorPoint;
}