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3D Cube Image Slider Using HTML, CSS And JavaScript

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3D Cube Image Slider Using HTML, CSS And JavaScript

 

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3D Cube Image Slider Using HTML, CSS And JavaScript
3D Cube Image Slider Using HTML, CSS And JavaScript

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Hello and welcome to our new mini-project, in which we will demonstrate how to create a 3D Cube Image Slider.

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It’s a really common component that you’ve probably seen on a lot of websites. We’ll take a step-by-step approach to creating a 3D Cube Image Slider in this article.

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Prerequisites for this project:

This article requires a basic understanding of HTML, CSS, and a little bit of Javascript. I’ll explain the project in a manner that makes it easy to follow even for complete beginners with a basic understanding of the listed technologies.

Project Goal:

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This short video is our end project after completion. We will create a 3d image slider cube, and two navigation buttons to slide our cube — previous & next buttons.

3D Cube Image Slider Preview


Step 1: HTML Structure

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Create the boilerplate HTML and connect it with CSS and Javascript files. Once done, let’s look at the body element of our webpage. Here, we will create a structure for our image slider cube.

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<div class="wrapper">
    <div class="container">
<div class="image-cube">
</div></div>
</div>

Here, we have created three div elements — a component wrapper, a container, and an image cube.

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Step 2: CSS Structure

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body {
    background-color: #9cd2d8;
}
.wrapper {
    border: 1px solid #ffffff;
    height: 300px;
    width: 300px;
    position: absolute;
    margin: auto;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
}
.container {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 800px;
    perspective-origin: 50%;
}
.image-cube {
    width: 300px;
    height: 300px;
    transform-style: preserve-3d;
    position: relative;
    transition: 2s;
}

In the CSS file, the wrapper is positioned absolute, which means its position is set relative to its parent element i.e. body for this case. We centered the wrapper using margin: auto. Read more about “position in CSS”.

The container element has a flex display and is taking all the space of its parent element. Container element has perspective: 800px and perspective-origin: 50%.

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The perspective attribute in CSS defines the distance of z-index = 0 plane from the user, hence adds perspective for the 3D-positioned element.

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Greater perspective value means farther the z-index=0 plane from the user (or screen) and smaller the value means the z-index=0 plane is much closer. Lesser perspective values really enhance the 3D object as it causes large transformation. Read more about perspective in CSS.

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The perspective-origin specifies the vanishing point in CSS, which gives us the line of sight and the respective position of the viewer.
The image-cube div contains transform-style: preserve-3d which creates a 3D figure where all the child elements of the object will now become the faces of the 3d object.

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However, currently, they are stacked over one another, and we have to configure the style of each face. There is also a transition: 2s attribute in the image cube which slows the transition and takes 2s for every sliding operation.

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Step 3: Add images to the slider

Next, we add images to the cube and configure the style of all the faces to make it a cube. We know, that in a cube all the faces are at 90 degrees with each other. Thus, we will also configure the child elements of the image-cube (i.e. faces) to be at 90 degrees with each other.

<div class="front">
    <img
        src="https://images.unsplash.com/photo-1635353019337-d37813892542?crop=entropy&cs=srgb&fm=jpg&ixid=MnwxNDU4OXwwfDF8cmFuZG9tfHx8fHx8fHx8MTYzNjQwNDg3NQ&ixlib=rb-1.2.1&q=85"
    />
</div>
<div class="right">
    <img
        src="https://images.unsplash.com/photo-1635320623348-bb1f46428927?crop=entropy&cs=srgb&fm=jpg&ixid=MnwxNDU4OXwwfDF8cmFuZG9tfHx8fHx8fHx8MTYzNjQwNDg3NQ&ixlib=rb-1.2.1&q=85"
    />
</div>
<div class="back">
    <img
        src="https://images.unsplash.com/photo-1635355811454-d2371b64dfe8?crop=entropy&cs=srgb&fm=jpg&ixid=MnwxNDU4OXwwfDF8cmFuZG9tfHx8fHx8fHx8MTYzNjQwNDg3NQ&ixlib=rb-1.2.1&q=85"
    />
</div>
<div class="left">
    <img
        src="https://images.unsplash.com/photo-1635261155180-77111688b0cf?crop=entropy&cs=srgb&fm=jpg&ixid=MnwxNDU4OXwwfDF8cmFuZG9tfHx8fHx8fHx8MTYzNjQwNTEyMA&ixlib=rb-1.2.1&q=85"
    />
</div>

Styling the image cube to create a 3D cube

.image-cube {
    width: 300px;
    height: 300px;
    transform-style: preserve-3d;
    position: relative;
    transition: 2s;
}
.image-cube div {
    height: 300px;
    width: 300px;
    position: absolute;
}
img {
    width: 100%;
    height: 100%;
    transform: translateZ(0);
}
.front {
    transform: translateZ(150px);
}
.right {
    transform: rotateY(-270deg) translateX(150px);
    transform-origin: 100% 0;
}
.back {
    transform: translateZ(-150px) rotateY(180deg);
}
.left {
    transform: rotateY(270deg) translateX(-150px);
    transform-origin: 0 50%;
}

All the child div elements of the image cube will have a position: absolute, hence they remain positioned relative to the image cube.

All image elements have transform: translateZ(0) that sets them at z-index = 0, which is the center of the cube.

We translate the front face from z=0 to z=150 (positive z value means the object is closer to the screen). On the opposite, the back face has a z-value = -150 which translates it away from the screen.

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Meanwhile, the mid-point of the distance between the front image and the back image lies on z-value = 0. Moreover, the back image is rotated by 180 degrees to make it similar to a cube in the real world.

Transform the right face and rotate it across Y-axis by -270deg and translate on X-axis by 150px right of its original position. On the opposite, we have the left face of the cube having transform: rotateY(270deg) translate(-150px) this rotates the face by 270deg and translates 150px towards left on the x-axis.

Step 4: Buttons to slide images 

Add button components inside the wrapper after the container.

<div class="btns">
    <button id="prev"><i class="fas fa-arrow-left"></i></button>
    <button id="next"><i class="fas fa-arrow-right"></i></button>
</div>

CSS for buttons:

.btns {
    margin-top: 80px;
    display: flex;
    justify-content: space-between;
}
.btns button {
    background-color: transparent;
    color: #ffffff;
    border: 3px solid #ffffff;
    background: #0a3342;
    padding: 8px 40px;
    border-radius: 20px;
    font-size: 20px;
    cursor: pointer;
}

This is just basic HTML and CSS where we are creating and styling the previous-button and next-button.

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Step 5: Adding sliding function to the buttons 

First, we assign the HTML element to the variables in our javascript file.

let cube = document.querySelector(".image-cube");
let btnNext = document.getElementById("next");
let btnPrev = document.getElementById("prev");

Then create variable pos = 0, which specifies the angle of rotation of the whole image cube. Here pos = 0, which means that under normal conditions this slider will be at zero degrees angle.

Finally, add event listeners for button clicks — where, the next button rotates the cube by -90 degrees and the previous button rotates the cube by 90 degrees.

let pos = 0;
btnNext.addEventListener("click", () => {
    pos -= 90;
    cube.style.transform = `rotateY(${pos}deg)`;
});
btnPrev.addEventListener("click", () => {
    pos += 90;
    cube.style.transform = `rotateY(${pos}deg)`;
});

Similarly, for the previous button, we increase the pos by 90 for every click. And rotate the cube by 90deg on the Y-axis.

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 Written by: Ankit Joshi

Add any image you like to the cube and you have the 3d image slider cube ready to use.

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