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CSS Animation Guide: Teach you step-by-step to create a continuous rolling effect

PHPzOriginal: 2023-10-21 08:41:081406browse

CSS Animation Guide: Teach you step by step how to create continuous scrolling effects

In web design and development, animation effects are one of the important factors to improve user experience. CSS animation is one of the common methods to achieve various dynamic effects. This article will teach you step by step how to create a CSS animation with continuous rolling effects, and introduce the implementation process of each step in detail through specific code examples.

First, we need an HTML file and related CSS style sheets.

The HTML file structure is as follows:

<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
  <div class="box" id="box"></div>
</body>
</html>

Next, we need to define relevant styles in the CSS style sheet.

The CSS style sheet is as follows:

.box {
  width: 100px;
  height: 100px;
  background-color: red;
}

Next, we use the @keyframes rule to define the animation effect. @keyframes rules are used to create animations. By defining different styles at a certain percentage of keyframes, the browser animates changes in those styles.

Add @keyframes rules to the CSS style sheet:

@keyframes roll {
  0% {
    transform: rotateX(0deg);
  }
  100% {
    transform: rotateX(360deg);
  }
}

Next, we apply animation to the .box element. This can be achieved using the animation attribute.

Modify the .box style in the CSS style sheet:

.box {
  width: 100px;
  height: 100px;
  background-color: red;
  animation: roll 2s linear infinite;
}

Finally, we need to use JavaScript to control the start and pause of the animation.

Add the following JavaScript code at the head of the HTML file:

<script>
  var box = document.getElementById("box");
  box.addEventListener("click", function() {
    if (box.style.animationPlayState === "paused") {
      box.style.animationPlayState = "running";
    } else {
      box.style.animationPlayState = "paused";
    }
  });
</script>

So far, we have completed the CSS animation of the continuous rolling effect. Users can click on the .box element to control the pause and start of the animation.

Summary:
Through the introduction and specific code examples of this article, we have learned how to use CSS animation to create continuous rolling effects. With just a few lines of CSS code and some JavaScript controls, you can achieve an attractive dynamic effect. I hope this article was helpful and I wish you success in implementing animation effects!

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