Issue animating with CATransform3DRotate

Issue animating with CATransform3DRotate

By : Nishanth
Date : December 01 2020, 05:00 PM
this one helps. The issue turned out to be the zPositions of other views' layers - most likely caused by a UITableView in the view hierarchy.
The setup is a UIViewController which adds a header UIImageView and a UITableView to its own view in viewDidLoad. The animation is then added last to be on top of the other views. It seems the UITableView somehow modifies the zPositions of layers, so only after finally trying leftdoorView.layer.zPosition = 1000; and moving the actual animation to a separate selector executed 0.2 secs after viewDidLoad did the animation show properly.
code :

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CATransform3DRotate and UIImageView

CATransform3DRotate and UIImageView

By : Rahul Chundunsing
Date : March 29 2020, 07:55 AM
may help you . CATransform3DRotate() takes as its first parameter a transform to apply a rotation to. If you were looking to rotate the transform of your layer, you would use
code :
[square.layer setTransform:CATransform3DRotate(square.layer.transform, -M_PI, 0, 0, 0)];
What is angle in CATransform3DRotate method?

What is angle in CATransform3DRotate method?

By : user3898504
Date : March 29 2020, 07:55 AM
I hope this helps . You should pass radians there. For example, this will rotate image on 180 degrees:
code :
switcher.transform = CGAffineTransformMakeRotation(M_PI);
#define DegreesToRadians(degrees) (degrees * M_PI / 180)
#define RadiansToDegrees(radians) (radians * 180 / M_PI)
CATransform3DRotate flip horizontal

CATransform3DRotate flip horizontal

By : Kosala Almeda
Date : March 29 2020, 07:55 AM
I wish this helpful for you I have a layer that I need to transform. Currently I am using the following: , You'll need:
code :
self.customLayer.transform = CATransform3DScale(CATransform3DMakeRotation(M_PI / 2.0f, 0, 0, 1),
                                                -1, 1, 1);
CATransform3DRotate rotate for 360 degrees

CATransform3DRotate rotate for 360 degrees

By : Jacob Chapman
Date : March 29 2020, 07:55 AM
wish of those help You can animate a layer through one (or more) full rotations around its Z axis by animating the layer's transform.rotation key path, like this:
code :
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.rotation"];
animation.duration = .25;
animation.fromValue = [NSNumber numberWithFloat:0];
animation.toValue = [NSNumber numberWithFloat:2 * M_PI];
[layer addAnimation:animation forKey:animation.keyPath];
CALayer *layer = [sender layer];
CATransform3D transform = CATransform3DIdentity;
transform.m34 = 1.0 / -50;
layer.transform = transform;

CAKeyframeAnimation *animation = [CAKeyframeAnimation animationWithKeyPath:@"transform"];
animation.values = [NSArray arrayWithObjects:
    [NSValue valueWithCATransform3D:CATransform3DRotate(transform, 0 * M_PI / 2, 100, 1, 100)],
    [NSValue valueWithCATransform3D:CATransform3DRotate(transform, 1 * M_PI / 2, 100, 1, 100)],
    [NSValue valueWithCATransform3D:CATransform3DRotate(transform, 2 * M_PI / 2, 100, 1, 100)],
    [NSValue valueWithCATransform3D:CATransform3DRotate(transform, 3 * M_PI / 2, 100, 1, 100)],
    [NSValue valueWithCATransform3D:CATransform3DRotate(transform, 4 * M_PI / 2, 100, 1, 100)],
animation.duration = 2;
[layer addAnimation:animation forKey:animation.keyPath];
CAGradientLayer messes up CATransform3DRotate

CAGradientLayer messes up CATransform3DRotate

By : Lee H.
Date : March 29 2020, 07:55 AM
it should still fix some issue I am observing a strange behaviour in a CATransform3DRotate which I am applying to the layer of a view which is in front of a view whose layer has a CAGradientLayer. , Add a z translation to your transform :
code :
var perspectiveTransform = CATransform3DIdentity
perspectiveTransform.m34 = -0.002
let rotateAngle = CGFloat(sender.value) * CGFloat(Double.pi)
perspectiveTransform = CATransform3DTranslate(perspectiveTransform, 0, 0, 300)
flipView.layer.transform = CATransform3DRotate(perspectiveTransform, rotateAngle, 0, 1, 0)
flipView.layer.zPosition = 300
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