jQuery和CSS3精美翻页式电子时钟特效


源码介绍

简要教程

这是一款jQuery和CSS3精美翻页式电子时钟特效。该电子时钟使用CSS3渐变和transform来制作翻页电子时钟的外观,然后通过jquery代码来驱动电子时钟的翻页显示时间效果。

使用方法

在页面中引入jquery和style.css文件。

<script src="path/to/jquery.min.js"></script>
<link rel="stylesheet" href="css/style.css">
                
HTML结构

该翻页式电子时钟的HTML结构如下。

<main>
  <div style="display:none">
    <div id="top-test-anim" class="num-anim top-anim" style="display:none;">
      <div class="top-half-num">2</div>
    </div>
    <div id="bottom-test-anim" class="num-anim bottom-anim" style="display:none;">
      <div class="bottom-half-num">
        <div class="dropper">3</div></div>
    </div>
  </div>
  <canvas id="my-canvas"></canvas>
  <div id="clock">
    <div class="time-container hours">
      <div class="digit">
        <div class="fade"> </div>
        <span class="num top" id="hour-tens-top">1</span>
        <span class="num bottom" id="hour-tens-bottom">
          <div class="bottom-container">1</div></span>
          <div class="swapper">
            <div id="top-hour-tens-anim" class="num-anim top-anim" style="display:none;">
              <div class="top-half-num">8</div>
            </div>
            <div id="bottom-hour-tens-anim" class="num-anim bottom-anim" style="display:none;">
              <div class="bottom-half-num">
                <div class="dropper">9</div></div>
            </div>
        </div>
        <div class="ring ring-left"></div>
        <div class="ring ring-right"></div>
      </div>
      <div class="digit">
        <div class="fade"> </div>
        <span class="num top" id="hour-ones-top">3</span>
        <span class="num bottom" id="hour-ones-bottom">
          <div class="bottom-container">3</div></span>
          <div class="swapper">
            <div id="top-hour-ones-anim" class="num-anim top-anim" style="display:none;">
              <div class="top-half-num">8</div>
            </div>
            <div id="bottom-hour-ones-anim" class="num-anim bottom-anim" style="display:none;">
              <div class="bottom-half-num">
                <div class="dropper">9</div></div>
            </div>
        </div>
        <div class="ring ring-left"></div>
        <div class="ring ring-right"></div>
      </div>
    </div>
    <div class="time-container minutes">
      <div class="digit">
        <div class="fade"> </div>
        <span class="num top" id="minute-tens-top">4</span>
        <span class="num bottom" id="minute-tens-bottom">
          <div class="bottom-container">4</div></span>
          <div class="swapper">
            <div id="top-minute-tens-anim" class="num-anim top-anim" style="display:none;">
              <div class="top-half-num">8</div>
            </div>
            <div id="bottom-minute-tens-anim" class="num-anim bottom-anim" style="display:none;">
              <div class="bottom-half-num">
                <div class="dropper">9</div></div>
            </div>
        </div>
        <div class="ring ring-left"></div>
        <div class="ring ring-right"></div>
      </div>
      <div class="digit">
        <div class="fade"> </div>
        <span class="num top" id="minute-ones-top">3</span>
        <span class="num bottom" id="minute-ones-bottom">
          <div class="bottom-container">3</div></span>
          <div class="swapper">
            <div id="top-minute-ones-anim" class="num-anim top-anim" style="display:none;">
              <div class="top-half-num">8</div>
            </div>
            <div id="bottom-minute-ones-anim" class="num-anim bottom-anim" style="display:none;">
              <div class="bottom-half-num">
                <div class="dropper">9</div></div>
            </div>
        </div>
        <div class="ring ring-left"></div>
        <div class="ring ring-right"></div>
      </div>
    </div>
    <div class="time-container seconds">
      <div class="digit">
        <div class="fade"> </div>
        <span class="num top" id="second-tens-top">5</span>
        <span class="num bottom" id="second-tens-bottom">
          <div class="bottom-container">5</div></span>
          <div class="swapper">
            <div id="top-second-tens-anim" class="num-anim top-anim" style="display:none;">
              <div class="top-half-num">8</div>
            </div>
            <div id="bottom-second-tens-anim" class="num-anim bottom-anim" style="display:none;">
              <div class="bottom-half-num">
                <div class="dropper">9</div></div>
            </div>
        </div>
        <div class="ring ring-left"></div>
        <div class="ring ring-right"></div>
      </div>
      <div class="digit">
        <div class="fade"> </div>
        <span class="num top" id="second-ones-top">3</span>
        <span class="num bottom" id="second-ones-bottom">
          <div class="bottom-container">2</div></span>
          <div class="swapper">
            <div id="top-second-ones-anim" class="num-anim top-anim" style="display:none;">
              <div class="top-half-num">2</div>
            </div>
            <div id="bottom-second-ones-anim" class="num-anim bottom-anim" style="display:none;">
              <div class="bottom-half-num">
                <div class="dropper">3</div></div>
            </div>
        </div>
        <div class="ring ring-left"></div>
        <div class="ring ring-right"></div>
      </div>
    </div>
  </div>
</main>
                
初始化插件

在页面DOM元素加载完毕,通过下面的方法来驱动电子时钟的翻页显示时间效果。

var CHANCE_SPEC, x, y;

CHANCE_SPEC = 60;
x = 0;
y = 0;

function rand(min, max) {
  return Math.floor(Math.random() * (max - min + 1) - min);
}

function drawSpec(data, x, y, w) {
    var index;
  
    index = (x + y * w) * 4;

    data.data[index + 0] = 0;
    data.data[index + 1] = 0;
    data.data[index + 2] = 0;
    data.data[index + 3] = 30;
}

function drawPattern(canvas, ctx, data) {
  var w, h;
  w = canvas.width;
  h = canvas.height;
  while (x 
                    

该jQuery和CSS3精美翻页式电子时钟特效的codepen地址为:https://codepen.io/swartkrans/pen/gaode



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