Ios UIImageview旋转动画

我想将动画应用于两个

uiimageview

。这个想法是让图像一水平翻转90度，然后图像二完成旋转。把它想象成一枚硬币在旋转：头侧（图一）朝前->旋转90度->尾侧（图二）朝前旋转。我可以做动画的前半部分，但我被困在第二部分

[UIView animateWithDuration:1.0f animations:^{
    image1.transform = CGAffineTransformMakeScale(-0.01, 1);
} completion: ^(BOOL finished) {
    // How can I make image 2 to rotate out as if it initially was already rotated by 90 degrees?
}];

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对于翻转动画，有一个名为

UIViewAnimationOptionTransitionFlipFromRight

的动画选项，例如，将其与

UIView的

动画方法一起使用，如下所示

 [UIView transitionWithView:myImageView //with first image
                  duration:animationDuration
                   options:UIViewAnimationOptionTransitionFlipFromRight
                animations:^{
                    myImageView.image = toImage; //to next image
                } completion:^(BOOL finished) {
             //completion actions after flipped
 }];

还有其他动画选项，如左起的

，

---

从顶部

，

从底部

根据您的需要使用任意一个

对于翻转动画，有一个名为

UIViewAnimationOptionTransitionFlipFromRight

的动画选项，例如，与

UIView的

动画方法一起使用，如下所示

 [UIView transitionWithView:myImageView //with first image
                  duration:animationDuration
                   options:UIViewAnimationOptionTransitionFlipFromRight
                animations:^{
                    myImageView.image = toImage; //to next image
                } completion:^(BOOL finished) {
             //completion actions after flipped
 }];

还有其他动画选项，如左起的

，

---

从顶部

，

从底部

根据需要使用任意一个

查看有关使用CATTransferM3D在3D中翻转UIView的问题

答案是：

CATransform3D rotationAndPerspectiveTransform = CATransform3DIdentity;
rotationAndPerspectiveTransform.m34 = 1.0 / -1000.0;
rotationAndPerspectiveTransform = CATransform3DRotate(rotationAndPerspectiveTransform, M_PI * 0.6, 1.0f, 0.0f, 0.0f);
[UIView animateWithDuration:1.0 animations:^{
    self.someView.layer.anchorPoint = CGPointMake(0.5, 0);
    self.someView.layer.transform = rotationAndPerspectiveTransform;
} completion:^(BOOL finished){
    // code to be executed when flip is completed
}];

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看看这个关于使用CATTransform3D在3D中翻转UIView的问题

答案是：

CATransform3D rotationAndPerspectiveTransform = CATransform3DIdentity;
rotationAndPerspectiveTransform.m34 = 1.0 / -1000.0;
rotationAndPerspectiveTransform = CATransform3DRotate(rotationAndPerspectiveTransform, M_PI * 0.6, 1.0f, 0.0f, 0.0f);
[UIView animateWithDuration:1.0 animations:^{
    self.someView.layer.anchorPoint = CGPointMake(0.5, 0);
    self.someView.layer.transform = rotationAndPerspectiveTransform;
} completion:^(BOOL finished){
    // code to be executed when flip is completed
}];

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尝试在第一个的完成块内添加另一个animateWithDuration块。尝试在第一个的完成块内添加另一个animateWithDuration块