Sfera CSS Faux-3D /w Texture

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Apri nell'Editor Video Pubblica il Tuo Codice

Consigliato

15 September 2025

Esempio di animazione della griglia CSS

12 August 2025

Frammento di codice di animazione CSS del cuore

27 September 2025

Animazione di caricamento CSS: flusso di memoria e riflessione

HTML

<div class="utilities">
  <div class="control">
    <label for="bands">bands</label>
    <input type="range" id="bands" min="2" max="200" value="80">
  </div>
  <div class="control">
    <label for="cells">cells</label>
    <input type="range" id="cells" min="3" max="120" value="40">
  </div>
  <div class="control">
    <label for="size"> size</label>
    <input type="range" id="size" min="5" max="120" value="70">
  </div>
  <div class="control">
    <label for="speed">speed</label>
    <input type="range" id="speed" min="1" max="20" value="15">
  </div>
  <fieldset id="image" class="control">
    <legend>texture</legend>
    <label>
      <input type="radio" checked name="image" value="url(https://assets.codepen.io/25387/Gall_Stereographic_projection_SW_centered.jpg)">
      <div class="image-wrapper">
        <img src="https://assets.codepen.io/25387/Gall_Stereographic_projection_SW_centered.jpg" alt="world map">
        <a href="https://en.wikipedia.org/wiki/Gall_stereographic_projection" target="_blank" title="source">↗</a>
      </div>
    </label>
    <label>
      <input type="radio" name="image" value="url(https://assets.codepen.io/25387/convergence-screenshot.jpg)">
      <div class="image-wrapper">
      <img src="https://assets.codepen.io/25387/convergence-screenshot.jpg" alt="convergence">
        <a href="https://codepen.io/pavlovsk/pen/zYXBEeR" target="_blank" title="source">↗</a>
      </div>
    </label>
    <label>
      <input type="radio" name="image" value="url(https://assets.codepen.io/25387/smiley.png)">
      <div class="image-wrapper">
      <img src="https://assets.codepen.io/25387/smiley.png" alt="convergence">
        <a href="https://www.google.com/search?q=smiley+face+sphere+texture&tbs=imgo:1&udm=2#vhid=B2Ahxik8MU8_1M&vssid=mosaic" target="_blank" title="source">↗</a>
      </div>
    </label>
  </fieldset>
  <div class="control">
    <label for="with-border">borders</label>
    <input type="checkbox" id="with-border">
  </div>
</div>

CSS

@layer cosmetics, utilities, demo;

@layer demo {
  body {
    height: 100dvh;
    display: grid;
    place-content: center;
  }

.world {
    --bands: 130;
    --cells: 60;
    --_size: 80;
    --size: calc(var(--_size) * 1dvmin);
    --_speed: 15;
    --speed: calc((20.5 - var(--_speed)) * 1s);
    --image: url(https://assets.codepen.io/25387/Gall_Stereographic_projection_SW_centered.jpg);
    display: flex;
    align-items: center;
    flex-direction: column;
    clip-path: circle();
  }

.band {
    --latitude: calc(sin(PI / var(--bands) * var(--i)) * 1.2);
    --width: calc(var(--size) * var(--latitude));
    width: var(--width);
    height: calc(var(--size) / var(--bands) * var(--latitude));
    display: flex;
    justify-content: center;
  }

.cell {
    --longitude: calc(sin(PI / var(--cells) * var(--j)) * 1.2);
    --bg-width: calc(var(--width) * var(--longitude) * 1.25);
    --bg-height: calc(var(--size) * 0.9);
    height: calc(var(--size) * var(--longitude));
    width: calc(var(--width) / var(--cells) * var(--longitude));
    background:
      var(--image) 50% fixed;
    background-size:
      var(--bg-width)
      var(--bg-height);
    animation: spin var(--speed) linear infinite;
  }
  
  .with-borders .cell {
    box-shadow: 0 0 0 1px chartreuse;
  }

@keyframes spin {
    100% {
      background-position-x: calc(50% + var(--bg-width));
    }
  }
}

@layer cosmetics {
  body {
    overflow: hidden;
    margin: 0;
    background: cornsilk;
  }

.world::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: cornsilk;
    opacity: .5;
    mix-blend-mode: color;
  }
}

@layer utilities {
  .utilities {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 1;
    padding: 1em;
  }

.utilities .control {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 24px;
    gap: .5em;
    font-size: 1.1em;
    font-family: monospace;
    font-variant: small-caps;
    letter-spacing: .05em;
  }

.utilities #image:has(:focus) {
    border: 2px solid royalblue;
  }

.utilities #image input {
    position: absolute;
    top: -100dvh;
    left: -100dvw;
    opacity: 0;
  }

.utilities .image-wrapper {
    --color-1: #ddd;
    --color-2: royalblue;
    position: relative;
    width: max(10dvmin, 48px);
    height: max(10dvmin, 48px);
    color: var(--color-1);
  }

.utilities .image-wrapper a {
    display: none;
    position: absolute;
    bottom: 0;
    right: 0;
    translate: 30% 30%;
    width: 30%;
    height: 30%;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    text-decoration: none;
    background: var(--color-1);
    color: var(--color-2);
    border-radius: 50%;
  }

.utilities .image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: .5dvmin solid var(--color-1);
  }

.utilities #image :checked + .image-wrapper {
    --color-1: royalblue;
    --color-2: #ddd;
  }

.utilities #image :checked + .image-wrapper a {
    display: inline-flex;
  }
}

JS

/*
 * JS just handles the playground of parameters
 * and inserts the repeated markup.
 */
const UI = {
  bands: document.querySelector('#bands'),
  cells: document.querySelector('#cells'),
  size: document.querySelector('#size'),
  speed: document.querySelector('#speed'),
  image: document.querySelectorAll('#image input'),
  borders: document.querySelector('#with-border'),
  world: document.querySelector('.world')
}

const state = {
  bands: +UI.bands.value,
  cells: +UI.cells.value,
  size: +UI.size.value,
  speed: +UI.speed.value,
  image: UI.image[0].value,
  borders: UI.borders.checked
}

UI.bands.addEventListener('input', (e) => {
  state.bands = +e.target.value
  render()
})

UI.cells.addEventListener('input', (e) => {
  state.cells = +e.target.value
  render()
})

UI.size.addEventListener('input', (e) => {
  state.size = +e.target.value
  render()
})

UI.speed.addEventListener('input', (e) => {
  state.speed = +e.target.value
  render()
})

Array.from(UI.image).forEach(input => {
  input.addEventListener('change', () => {
    state.image = input.value
    render()
  })
})

UI.borders.addEventListener('input', (e) => {
  state.borders = e.target.checked
  render()
})

render()

function render() {
  UI.world.style.setProperty('--bands', state.bands)
  UI.world.style.setProperty('--cells', state.cells)
  UI.world.style.setProperty('--_size', state.size)
  UI.world.style.setProperty('--_speed', state.speed)
  UI.world.style.setProperty('--image', state.image)
  UI.world.classList.toggle('with-borders', state.borders)
  UI.world.innerHTML = chunk(state.bands, i => `
    <div class="band" style="--i: ${i}">
      ${chunk(state.cells, j => `
        <div class="cell" style="--j: ${j}"></div>
      `)}
    </div>
  `)
}

function chunk(howMany, mapFn) {
  return Array
    .from({ length: howMany }, (_, i) => mapFn(i))
    .join('')
}

Consigliato

Esempio di animazione della griglia CSS

Frammento di codice di animazione CSS del cuore

Animazione di caricamento CSS: flusso di memoria e riflessione

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