问题
I use open source, iCarousel in my application to bring the carousel control. The carousel type which I use is iCarouselTypeRotary and the images are arranged linearly in this type. But, I need the images to bring like the carousel in the attached images. What should I do to make my carousel little tilted to the top view as the style in the below images? Kindly help. Thanks in advance.
回答1:
You can implement 3D tilt manually:
In iCarousel.m: 574
return CATransform3DTranslate(transform, radius * sin(angle), 0.0f, radius * cos(angle) - radius);
change to:
float tilt = MAX_TILT_VALUE * cos(angle); // greater angle means greater vertical offset
return CATransform3DTranslate(transform, radius * sin(angle), tilt, radius * cos(angle) - radius);
To make the code clear and reusable, implement tilt offset as option (similar to iCarouselOptionArc).
PS: If you want perspective scaling, you will need to add scale transform that depends on cos(angle) similarly to tilt.
回答2:
Check by using the style:iCarouselTypeWheel use the horizontal wheel set the radius of the wheel as you want. I have done this in vertical wheel type. But i think it should the appearance as above using horizontal wheel type.
来源：https://stackoverflow.com/questions/12246237/iphone-carousel