Day # 35: Flip Book



I consider myself to be an avid reader. I like to read all the time about all types of subjects. For this website I decided to make a project that was close to my heart, I decided to recreate a flipping book.

The initial idea was to show one or two pages at a time, depending on the case. Then I thought it’d be nice to add a couple of buttons that allows the user to go either to the previous or the next page.

In order to show the two pages, I had to look for a CSS property that allowed me to show those two pages at the same time. It turns out there is a property just for that. It is called “perspective”.

Additionally, I have to find a way to flip or turn those pages, so I decided to use the rotateY value that belongs to the transform property.

And finally, I recurred to Javascript so that I could add or remove, depending on the case, classes to the pages that I wanted to display or hide.

I have to be honest, this was one of those projects for which I had to make a serious effort to pull off. At the beginning I had no idea it was going to take me that much time. On occasions I got really frustrated, but I persevered because, among other things, I really wanted to accomplish the goal I set out for myself. As with other previous occasions, even when I had several moments of frustration, I have to say that I felt very proud with the final outcome. 


.paper {

    /* border: 1px solid red; */

    position: absolute;

    width: 100%;

    height: 100%;

    top: 0;

    left: 0;

    perspective: 1500px;

}



.flipped .front,

.flipped .back {

    transform: rotateY(-180deg);

}


.front {

    z-index: 1;

    backface-visibility: hidden;

}

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