Hello, Im trying to recreate a flip-n-scale of a CALayer, pretty much the same
as in iPhoto when you click the info of a event, it will flipt and enlarge a
layer, but the back side of the layer its another view.
So this is what I have so far base on the GameGeek board game example from
apple.
- (void) setFaceUp: (BOOL)up
{
if( up != _faceUp ) {
// The Card has separate sub-layers for its front and back. At any
time, one of them
// is hidden, by having a 180 degree rotation about the Y axis.
// To flip the card, both front and back layers are flipped over.
CATransform3D xform;
xform = up ?kFaceUpTransform :kFaceDownTransform;
CABasicAnimation * flipAnim = [CABasicAnimation
animationWithKeyPath:@"transform"];
flipAnim.toValue = [NSValue valueWithCATransform3D:xform];
flipAnim.duration = 0.5f;
flipAnim.cumulative = NO;
flipAnim.removedOnCompletion = NO;
flipAnim.autoreverses = NO;
flipAnim.fillMode = kCAFillModeForwards;
//_front.transform = xform;
[_front addAnimation:flipAnim forKey:@"flipAnimFront"];
xform = up ?kFaceDownTransform :kFaceUpTransform;
flipAnim.toValue = [NSValue valueWithCATransform3D:xform];
//_back.transform = xform;
[_back addAnimation:flipAnim forKey:@"flipAnimBack"];
_faceUp = up;
}
}
when I click my info button the layer its flipped correctly and at the end I
end up p whit the front CALayer being shown.
I was trying then to add the "scaling" animation by adding a CAKeyAnimation
with the values and times, then add the flipAnimation and the keyAnimation into
a group and add it to the layer...but unfortunately id doesn't work. I see it
flipped and once flips one face of the layer then it display nothing.
My guesses..:
I have this structure: CALayer with 2 CALayers ivars, (_front and _back), so
right now its working the flipping from _front to back, so I guess this is not
working because Im not setting the frame animation to the parent layer, which
at the end its the one it should resize.
Im sorry Im kinda confused here, so any help will be gladly appreciate it.
thx
Gustavo
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