An animation in CSS where an element moves off the screen to the right in absolute position and then returns from the

I am currently working on a website featuring moving clouds traveling across the screen from left to right. Although I have successfully implemented the animation for the clouds, there is one specific issue that has me stuck. My goal is to display some of the clouds on the screen upon page load, have them move off to the right, re-enter from the left, and continue this cycle.

To provide a clearer idea, here's an image illustrating my objective: https://i.sstatic.net/KINRM.jpg

Below is the code segment:

<div class="clouds">
    <div class="firstCloud">        
        <svg id="svgCloud" data-name="clouder" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 348 164"><defs><style>.cloud1Fill{fill:#d1dbd9;}</style></defs><title>Untitled-5</title><path class="cloud1Fill" d="M348,107.5a54.5,54.5,0,0,1-94.87,36.61,77.55,77.55,0,0,1-81.57-1.43A73,73,0,0,1,71,145.07,42.48,42.48,0,1,1,49.61,71.59,73,73,0,0,1,154.85,26.84,77.51,77.51,0,0,1,287.16,53.37,53,53,0,0,1,293.5,53,54.5,54.5,0,0,1,348,107.5Z"/></svg>
    </div>  
    <div class="secondCloud">
        <svg id="svgCloud2" data-name="cloud2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 291 124"><defs><style>.cloud1Fill{fill:#d3dddb;}.cloud2Fill{fill:#fff;}</style></defs><title>Untitled-4</title><path class="cloud1Fill" d="M2.29,123.5A41,41,0,0,1,58.37,74.12l.32.14.24-.25A45.72,45.72,0,0,1,91.5,60.5q1.14,0,2.25.06l.43,0,.09-.41a76,76,0,0,1,148.46,0l.09.4h.41l1.27,0a46.06,46.06,0,0,1,46,46,45.53,45.53,0,0,1-3.26,17Z"/><path class="cloud2Fill" d="M168.5,1a75.53,75.53,0,0,1,73.74,59.23l.18.81.82,0,1.26,0a45.49,45.49,0,0,1,42.4,62H2.66A40.53,40.53,0,0,1,58.17,74.57l.63.29...
    </div>
    <div class="thirdCloud">
        <svg id="svgClouds3" data-name="clouds2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 329 139"><defs><style>.cloud2Fill{fill:#d1dbd9;}</style></defs><title>Untitled-6</title><path class="cloud2Fill" d="M329,125a40.09,40.09,0,0,1-2.52,14H14.9A61.28,61.28,0,0,1,0,99C0,64.21,29.33,36,65.5,36a67.34,67.34,0,0,1,30,7A86,86,0,0,1,236.42,31.37,55.53,55.53,0,0,1,311,83.5a56.67,56.67,0,0,1,.55,7.75A39.93,39.93,0,0,1,329,125Z"/></svg>
    </div>    
</div>

.firstCloud {
    position: absolute;
    left: 0;
    top: 150px;
    ...
}

Explore the full code on CodePen

I've combed through different resources but have hit a roadblock in finding a solution to my specific requirement. Would appreciate any guidance or direction on how to achieve this effect?

cssanimation

Answer №1

Below is the solution I previously suggested in the comments:

To start, you can create an initial cloud (.initialCloud) that slides out of the screen and then transitions to the regular .firstCloud.

.clouds {
  position: relative;
  overflow: hidden;
  height: 400px;
}

.initialCloud {
  position: absolute;
  left: 100%;
  top: 150px;
  animation: moveFirst 5s linear .2s;
  animation-iteration-count: 1;
  width: 150px;
}

.firstCloud {
  position: absolute;
  left: -30%;
  top: 150px;
  animation: move 5s linear 5s infinite;
  width: 150px;
}

.secondCloud {
  position: absolute;
  left: -30%;
  top: 200px;
  animation: move 8s linear 0s infinite;
  width: 150px;
}

.thirdCloud {
  top: 250px;
  left: -30%;
  position: absolute;
  animation: move 11s linear 1s infinite;
  width: 150px;
}

@-webkit-keyframes move {
  from {
    left: -30%;
  }
  to {
    left: 100%;
  }
}

@-webkit-keyframes moveFirst {
  from {
    left: 50%;
  }
  to {
    left: 100%;
  }
}
<div class="clouds">
  <div class="initialCloud">
    <svg id="svgCloud" data-name="clouder" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 348 164"><defs><style>.cloud1Fill{fill:#d1dbd9;}</style></defs><title>Untitled-5</title><path class="cloud1Fill" d="M348,107.5a54.5,54.5,0,0,1-94.87,36.61,77.55,77.55,0,0,1-81.57-1.43A73,73,0,0,1,71,145.07,42.48,42.48,0,1,1,49.61,71.59,73,73,0,0,1,154.85,26.84,77.51,77.51,0,0,1,287.16,53.37,53,53,0,0,1,293.5,53,54.5,54.5,0,0,1,348,107.5Z"/></svg>
  </div>
  <div class="firstCloud">
    <svg id="svgCloud" data-name="clouder" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 348 164"><defs><style>.cloud1Fill{fill:#d1dbd9;}</style></defs><title>Untitled-5</title><path class="cloud1Fill" d="M348,107.5a54.5,54.5,0,0,1-94.87,36.61,77.55,77.55,0,0,1-81.57-1.43A73,73,0,0,1,71,145.07,42.48,42.48,0,1,1,49.61,71.59,73,73,0,0,1,154.85,26.84,77.51,77.51,0,0,1,287.16,53.37,53,53,0,0,1,293.5,53,54.5,54.5,0,0,1,348,107.5Z"/></svg>
  </div>
  <div class="secondCloud">
    <svg id="svgCloud2" data-name="cloud2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 291 124"><defs><style>.cloud1Fill{fill:#d3dddb;}.cloud2Fill{fill:#fff;}</style></defs><title>Untitled-4</title><path class="cloud1Fill" d="M2.29,123.5A41,41,0,0,1,58.37,74.12l.32.14.24-.25A45.72,45.72,0,0,1,91.5,60.5q1.14,0,2.25.06l.43,0,.09-.41a76,76,0,0,1,148.46,0l.09.4h.41l1.27,0a46.06,46.06,0,0,1,46,46,45.53,45.53,0,0,1-3.26,17Z"/><path class="cloud2Fill" d="M168.5,1a75.53,75.53,0,0,1,73.74,59.23l.18.81.82,0,1.26,0a45.49,45.49,0,0,1,42.4,62H2.66A40.53,40.53,0,0,1,58.17,74.57l.63.29.49-.49A45.2,45.2,0,0,1,91.5,61c.75,0,1.5,0,2.23.06l.85,0,.18-.83A75.51,75.51,0,0,1,168.5,1m0-1A76.52,76.52,0,0,0,93.78,60.06Q92.66,60,91.5,60A46.35,46.35,0,0,0,58.58,73.66,41.52,41.52,0,0,0,1.92,124H287.58A46.5,46.5,0,0,0,244.5,60l-1.28,0A76.53,76.53,0,0,0,168.5,0Z"/></svg>
  </div>
  <div class="thirdCloud">
    <svg id="svgClouds3" data-name="clouds2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 329 139"><defs><style>.cloud2Fill{fill:#d1dbd9;}</style></defs><title>Untitled-6</title><path class="cloud2Fill" d="M329,125a40.09,40.09,0,0,1-2.52,14H14.9A61.28,61.28,0,0,1,0,99C0,64.21,29.33,36,65.5,36a67.34,67.34,0,0,1,30,7A86,86,0,0,1,236.42,31.37,55.53,55.53,0,0,1,311,83.5a56.67,56.67,0,0,1,.55,7.75A39.93,39.93,0,0,1,329,125Z"/></svg>
  </div>
</div>

Answer №2

To create a cloud teleport effect from right to left, I added keyframes at 50% and 50.001%. Here is the code pen for reference: Cloud Teleport Code Pen 

body {
  overflow: hidden;
}

#svgCloud {
  position: relative;
  height: 100px;
  width: 100px;
  animation: move 4s linear infinite;
  margin-left: 50vw;
  margin-top: 50vh;
  transform: translateX(-50%) translateY(-50%);
}

@keyframes move {
  50% {
    transform: translateX(50vw) translateY(-50%);
  }
  50.001% {
    transform: translateX(-60vw) translateY(-50%);
  }
}
<svg id="svgCloud" data-name="clouder" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 348 164"><defs><style>.cloud1Fill{fill:#d1dbd9;}</style></defs><title>Untitled-5</title><path class="cloud1Fill" d="M348,107.5a54.5,54.5,0,0,1-94.87,36.61,77.55,77.55,0,0,1-81.57-1.43A73,73,0,0,1,71,145.07,42.48,42.48,0,1,1,49.61,71.59,73,73,0,0,1,154.85,26.84,77.51,77.51,0,0,1,287.16,53.37,53,53,0,0,1,293.5,53,54.5,54.5,0,0,1,348,107.5Z"/></svg>

Answer №3

Consider using the left property instead of translateX() since you can use percentages with left and detect the end of the screen.

.clouds {
  position: relative;
  overflow: hidden;
  height: 400px;
}

.firstCloud {
  position: absolute;
  left: -150px;
  top: 150px;
  animation: move 10s linear 2s infinite;
  width: 150px;
}

.secondCloud {
  position: absolute;
  left: -150px;
  top: 200px;
  animation: move 15s linear 0s infinite;
  width: 150px;
  }

.thirdCloud {
  top: 250px;
  left: -150px;
  position: absolute;
  animation: move 20s linear 5s infinite;
  width: 150px;
}

@-webkit-keyframes move {
  from {left: -150px;}
  to {left: 100%;}
}
  <div class="clouds">
    <div class="firstCloud">        
        <svg id="svgCloud" data-name="clouder" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 348 164"><defs><style>.cloud1Fill{fill:#d1dbd9;}</style></defs><title>Untitled-5</title><path class="cloud1Fill" d="M348,107.5a54.5,54.5,0,0,1-94.87,36.61,77.55,77.55,0,0,1-81.57-1.43A73,73,0,0,1,71,145.07,42.48,42.48,0,1,1,49.61,71.59,73,73,0,0,1,154.85,26.84,77.51,77.51,0,0,1,287.16,53.37,53,53,0,0,1,293.5,53,54.5,54.5,0,0,1,348,107.5Z"/></svg>
    </div>  
    <div class="secondCloud">
        <svg id="svgCloud2" data-name="cloud2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 291 124"><defs><style>.cloud1Fill{fill:#d3dddb;}.cloud2Fill{fill:#fff;}</style></defs><title>Untitled-4</title><path class="cloud1Fill" d="M2.29,123.5A41,41,0,0,1,58.37,74.12l.32.14.24-.25A45.72,45.72,0,0,1,91.5,60.5q1.14,0,2.25.06l.43,0,.09-.41a76,76,0,0,1,148.46,0l.09.4h.41l1.27,0a46.06,46.06,0,0,1,46,46,45.53,45.53,0,0,1-3.26,17Z"/><path class="cloud2Fill" d="M168.5,1a75.53,75.53,0,0,1,73.74,59.23l.18.81.82,0,1.26,0a45.49,45.49,0,0,1,42.4,62H2.66A40.53,40.53,0,0,1,58.17,74.57l.63.29.49-.49A45.2,45.2,0,0,1,91.5,61c.75,0,1.5,0,2.23.06l.85,0,.18-.83A75.51,75.51,0,0,1,168.5,1m0-1A76.52,76.52,0,0,0,93.78,60.06Q92.66,60,91.5,60A46.35,46.35,0,0,0,58.58,73.66,41.52,41.52,0,0,0,1.92,124H287.58A46.5,46.5,0,0,0,244.5,60l-1.28,0A76.53,76.53,0,0,0,168.5,0Z"/></svg>
    </div>
    <div class="thirdCloud">
        <svg id="svgClouds3" data-name="clouds2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 329 139"><defs><style>.cloud2Fill{fill:#d1dbd9;}</style></defs><title>Untitled-6</title><path class="cloud2Fill" d="M329,125a40.09,40.09,0,0,1-2.52,14H14.9A61.28,61.28,0,0,1,0,99C0,64.21,29.33,36,65.5,36a67.34,67.34,0,0,1,30,7A86,86,0,0,1,236.42,31.37,55.53,55.53,0,0,1,311,83.5a56.67,56.67,0,0,1-.55,7.75A39.93,39.93,0,0,1,329,125Z"/></svg>
    </div>    
</div>

If you wish to start the animation when the middle screen is reached using jQuery:

$(document).ready(function(){
  $('.firstCloud,.secondCloud,.thirdCloud').animate({
     left:"100%"
  },10000,function(){$(this).addClass('anim')})
})
.clouds {
  position: relative;
  overflow: hidden;
  height: 400px;
}

.firstCloud {
  position: absolute;
  left: 0;
  top: 150px;
  animation-duration: 10s;
  animation-delay: 2s;
  width: 150px;
}

.secondCloud {
  position: absolute;
  left:  50%;
  top: 200px;
  animation-duration: 15s;
  width: 150px;
  }

.thirdCloud {
  top: 250px;
  left: 10%;
  position: absolute;
  animation-duration: 20s;
  animation-delay: 2s;
  width: 150px;
}


.anim {
  animation-name: move;
  animation-iteration-count: infinite;
}

@-webkit-keyframes move {
  from {left: -150px;}
  to {left: 100%;}
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="clouds">
    <div class="firstCloud">        
        <svg id="svgCloud" data-name="clouder" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 348 164"><defs><style>.cloud1Fill{fill:#d1dbd9;}</style></defs><title>Untitled-5</title><path class="cloud1Fill" d="M348,107.5a54.5,54.5,0,0,1-94.87,36.61,77.55,77.55,0,0,1-81.57-1.43A73,73,0,0,1,71,145.07,42.48,42.48,0,1,1,49.61,71.59,73,73,0,0,1,154.85,26.84,77.51,77.51,0,0,1,287.16,53.37,53,53,0,0,1,293.5,53,54.5,54.5,0,0,1,348,107.5Z"/></svg>
    </div>  
    <div class="secondCloud">
        <svg id="svgCloud2" data-name="cloud2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 291 124"><defs><style>.cloud1Fill{fill:#d3dddb;}.cloud2Fill{fill:#fff;}</style></defs><title>Untitled-4</title><path class="cloud1Fill" d="M2.29,123.5A41,41,0,0,1,58.37,74.12l.32.14.24-.25A45.72,45.72,0,0,1,91.5,60.5q1.14,0,2.25.06l.43,0,.09-.41a76,76,0,0,1,148.46,0l.09.4h.41l1.27,0a46.06,46.06,0,0,1,46,46,45.53,45.53,0,0,1-3.26,17Z"/><path class="cloud2Fill" d="M168.5,1a75.53,75.53,0,0,1,73.74,59.23l.18.81.82,0,1.26,0a45.49,45.49,0,0,1,42.4,62H2.66A40.53,40.53,0,0,1,58.17,74.57l.63.29.49-.49A45.2,45.2,0,0,1,91.5,61c.75,0,1.5,0,2.23.06l.85,0,.18-.83A75.51,75.51,0,0,1,168.5,1m0-1A76.52,76.52,0,0,0,93.78,60.06Q92.66,60,91.5,60A46.35,46.35,0,0,0,58.58,73.66,41.52,41.52,0,0,0,1.92,124H287.58A46.5,46.5,0,0,0,244.5,60l-1.28,0A76.53,76.53,0,0,0,168.5,0Z"/></svg>
    </div>
    <div class="thirdCloud">
        <svg id="svgClouds3" data-name="clouds2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 329 139"><defs><style>.cloud2Fill{fill:#d1dbd9;}</style></defs><title>Untitled-6</title><path class="cloud2Fill" d="M329,125a40.09,40.09,0,0,1-2.52,14H14.9A61.28,61.28,0,0,1,0,99C0,64.21,29.33,36,65.5,36a67.34,67.34,0,0,1,30,7A86,86,0,0,1,236.42,31.37,55.53,55.53,0,0,1,311,83.5a56.67,56.67,0,0,1-.55,7.75A39.93,39.93,0,0,1,329,125Z"/></svg>
    </div>    
</div>

Answer №4

This example was created quickly to demonstrate the concept.

Initially, I positioned the cloud 50px from the left and applied a single iteration animation.

Next, I introduced a second cloud with an infinite animation, incorporating a delay to create the perception of a continuous loop despite being separate elements and animations.

For this scenario, utilizing CSS exclusively seemed to be the most optimal approach.

.wrapper {
  position: relative;
}

.clouds {
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: gray;
}

.clouds.cloud1 {
  left: 50px;
  animation: cloud1 20s linear 1;
}

.clouds.cloud2 {
  left: -50px;
  animation: cloud1 20s 10s linear 1;
}

@keyframes cloud1 {
  0% {
    left: 20px;
  }
  100% {
    left: 3000px;
  }
}

@keyframes cloud2 {
  0% {
    left: -50px;
  }
  100% {
    left: 3000px;
  }
}
<div class="wrapper">
<div class="clouds cloud1"></div>
<div class="clouds cloud2"></div>
</div>

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I am working with a div that has a fixed width. Inside this div, there is an unordered list (ul) containing a random number of list items (li) with varying widths. My project utilizes the Bootstrap framework. Below is an example of the code structure: & ...

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Achieving a seamless scrolling effect using CSS

I recently completed the design of a basic website that includes both mobile and desktop versions. However, I am looking to incorporate some animation into the site to enhance its appearance. One specific feature is a "go up" link at the bottom of the mob ...

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