How to use CSS and D3 to achieve dynamic effects of spaceships
This article introduces to you how to use CSS and D3 to achieve the dynamic effect of a spaceship. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
Effect Preview
##Code Interpretation
Definition dom,spacecraft represents the spacecraft, and the container contains 1 element representing the tail
fins:
<div> <div></div> </div>
body { margin: 0; height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(black, midnightblue); }
.spacecraft { width: 7em; height: 11em; font-size: 16px; background: linear-gradient(whitesmoke, darkgray); border-radius: 50% / 70% 70% 5% 5%; }
.spacecraft::before { content: ''; position: absolute; width: 6em; height: 2em; background-color: #444; border-radius: 20%; top: 10em; left: 0.5em; z-index: -1; } .spacecraft::after { content: ''; position: absolute; box-sizing: border-box; width: 4em; height: 4em; background: gold; top: 10em; left: 1.5em; border-radius: 80% 0 50% 45% / 50% 0 80% 45%; transform: rotate(135deg); border: 0.5em solid orange; z-index: -2; }
.fins::before, .fins::after { content: ''; position: absolute; width: 2em; height: 6em; background: linear-gradient(tomato, darkred); top: 7em; } .fins::before { left: -2em; border-radius: 3em 0 50% 100%; } .fins::after { right: -2em; border-radius: 0 3em 100% 50%; }
.spacecraft { background: radial-gradient( circle at 3.5em 5em, transparent 1.5em, lightslategray 1.5em, lightslategray 2em, transparent 2em ), radial-gradient( circle at 3.3em 5.2em, deepskyblue 1.4em, transparent 1.6em ), radial-gradient( circle at 3.5em 5em, white 1.5em, transparent 1.5em ), linear-gradient(whitesmoke, darkgray); }
.spacecraft::after { animation: flame-spout 0.3s infinite; } @keyframes flame-spout { 0%, 100% { filter: opacity(0.1); } 50% { filter: opacity(1); } }
Add the
stars container in the dom, which contains 4 sub-elements representing stars:
<div> <div></div> </div>
.stars span { position: absolute; width: 2px; height: 8px; border-radius: 50%; background-color: white; top: calc(50% - 7em); }
.stars span { left: calc(var(--left) * 1vw); } .stars span:nth-child(1) { --left: 20; } .stars span:nth-child(2) { --left: 40; } .stars span:nth-child(3) { --left: 60; } .stars span:nth-child(4) { --left: 80; }
.stars span { width: calc(var(--size) * 1px); height: calc(var(--size) * 4px); filter: opacity(var(--opacity)); } .stars span:nth-child(1) { --size: 0.8; --opacity: 0.5; } .stars span:nth-child(2) { --size: 1.25; --opacity: 0.6; } .stars span:nth-child(3) { --size: 1.5; --opacity: 0.7; } .stars span:nth-child(4) { --size: 2; --opacity: 0.8; }
.stars span { top: -5vh; animation: star-move linear infinite; } @keyframes star-move { to { top: 100vh; } }
.stars span { animation-duration: calc(var(--duration) * 1s); animation-delay: calc(var(--delay) * 1s); } .stars span:nth-child(1) { --duration: 1; --delay: -0.05; } .stars span:nth-child(2) { --duration: 1.5; --delay: -0.1; } .stars span:nth-child(3) { --duration: 2; --delay: -0.15; } .stars span:nth-child(4) { --duration: 2.5; --delay: -0.2; }
body { overflow: hidden; }
Introduce d3 library:
<script></script>
const COUNT_OF_STARS = 4; d3.select('.stars') .selectAll('span') .data(d3.range(COUNT_OF_STARS)) .enter() .append('span');
--left,
-- size,
--opacity assignment, the value range of
--left is 1 to 100, the value range of
--size is 1 to 2.5, the value range of '--opacity' is 0.5 to 0.8:
d3.select('.stars') .selectAll('span') .data(d3.range(COUNT_OF_STARS)) .enter() .append('span') .style('--left', () => Math.ceil(Math.random() * 100)) .style('--size', () => Math.random() * 1.5 + 1) .style('--opacity', () => Math.random() * 0.3 + 0.5);
--duration and
--delay,# The value range of ##--duration
is 1 to 3, and the value of --delay
is reduced by 0.05: <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">d3.select('.stars')
.selectAll('span')
.data(d3.range(COUNT_OF_STARS))
.enter()
.append('span')
.style('--left', () => Math.ceil(Math.random() * 100))
.style('--size', () => Math.random() * 1.5 + 1)
.style('--opacity', () => Math.random() * 0.3 + 0.5)
.style('--duration', () => Math.random() * 2 + 1)
.style('--delay', (d) => d * -0.05);</pre><div class="contentsignin">Copy after login</div></div>
Delete the relevant dom statement in the html file and variable declarations in css files.
Finally, increase the number of stars to 30:
const COUNT_OF_STARS = 30;
You’re done!
Recommended related articles:
How to use pure CSS to achieve the effect of a SaturnHow to use CSS and D3 to achieve endless six sides The effect of shape spaceThe above is the detailed content of How to use CSS and D3 to achieve dynamic effects of spaceships. For more information, please follow other related articles on the PHP Chinese website!

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