frame transform. , () . z, , . transform CGAffineTransform, :
carousel.transform = CGAffineTransformMakeRotation(M_PI_2);
, , , Core Animation views ( CATransform3D CGAffineTransform).
Core Animation, QuartzCore.framework QuartzCore/QuartzCore.h .
, , - UIView, , . CABasicAnimation, iOS, .
x :
CABasicAnimation *slotAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.x"];
[slotAnimation setToValue:[NSNumber numberWithFloat:M_PI_2]];
[[carousel layer] addAnimation:slotAnimation forKey:@"mySlotAnimation"];
x, ( SO " Core Animation", ). , , , , .