efectos visuales creativos

Patrón de caleidoscopio del mar profundo

Completa un patrón de caleidoscopio en un escenario de océano profundo: incluye contenido real, controles operables, una retroalimentación de estado clara y un diseño adaptable a distintos tamaños.

efectos visuales creativospatrón de caleidoscopioHTMLCanvasJavaScript
Tras activar JavaScript, puedes editar, ejecutar y guardar este ejemplo. El código fuente fijado es el siguiente:
<!doctype html>
<html lang="es" dir="ltr">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Patrón de caleidoscopio del mar profundo</title>
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<body data-aesthetic="monochrome" data-composition="studio">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">monochrome / patrón de caleidoscopio / BEGINNER</span><h1>Patrón de caleidoscopio del mar profundo</h1><p class="intro">Completa un patrón de caleidoscopio en un escenario de océano profundo: incluye contenido real, controles operables, una retroalimentación de estado clara y un diseño adaptable a distintos tamaños.</p></div><span class="scenario">Profundidades marinas</span></header>
    <div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="Área interactiva del patrón caleidoscópico de las profundidades marinas"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">DISPATCH de las profundidades marinas</span><h2>Centro de programación de tareas de inmersión</h2><form id="workflowDispatchForm"><label>Tipo de tarea<select id="workflowDispatchKind"><option>Escaneo de sonar</option><option>Muestra de fuente termal</option><option>Baliza de retorno</option></select></label><label>Profundidad de inmersión<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="39"><span>libra</span></label><fieldset><legend>Prioridad de procesamiento</legend><label><input type="radio" name="workflowPriority" value="normal" checked>Normal</label><label><input type="radio" name="workflowPriority" value="urgent">Urgente</label></fieldset><button class="action primary" type="submit">Iniciar la inmersión</button></form><label>Tarea actual<select id="workflowDispatchActive" aria-label="Cambiar tarea actual"><option value="1">Escaneo de sonar</option><option value="2">Muestra de fuente termal</option></select></label><output id="workflowDispatchSummary">A la espera de la programación</output></aside><section id="workflowCore" class="workflow-core dispatch-workbench" data-dispatch-priority="normal"><!-- 11DZ_CORE_START:creative-effects-kaleidoscope --><div class="kaleidoscope-lab"><canvas id="kaleidoscopeCanvas" width="720" height="720" tabindex="0" aria-label="Caleidoscopio interactivo del fondo marino; mueve el puntero o usa las flechas izquierda y derecha para girar el patrón" aria-describedby="kaleidoscopeHelp">El navegador actual no admite Canvas.</canvas><aside class="kaleidoscope-controls panel"><span class="eyebrow">KALEIDOSCOPE</span><h2>patrón de caleidoscopio</h2><p id="kaleidoscopeHelp" class="muted">Varios sectores de espejo comparten el mismo conjunto de formas y crean una simetría estricta. Mueve el puntero para cambiar el ángulo de rotación.</p><label>Sector espejado <input id="kaleidoscopeSegments" type="range" min="4" max="16" step="2" value="10" data-core-bridge="creative-effects-kaleidoscope"><output id="kaleidoscopeSegmentsValue">10</output></label><label>Densidad de formas <input id="kaleidoscopeDensity" type="range" min="3" max="12" value="7"><output id="kaleidoscopeDensityValue">7</output></label><button id="kaleidoscopeSpin" class="action" type="button" aria-pressed="false">Rotación automática</button></aside></div><!-- 11DZ_CORE_END --></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
  </main>
  <script>
    'use strict';
    const statusOutput = document.querySelector('#status');
    const announce = message => { statusOutput.textContent = message; };
    /* 11DZ_CORE_SCRIPT_START:creative-effects-kaleidoscope */
const kaleidoscopeCanvas=document.querySelector('#kaleidoscopeCanvas');const kaleidoscopeContext=kaleidoscopeCanvas.getContext('2d');const kaleidoscopeSegments=document.querySelector('#kaleidoscopeSegments');const kaleidoscopeDensity=document.querySelector('#kaleidoscopeDensity');const kaleidoscopeReduced=matchMedia('(prefers-reduced-motion: reduce)').matches;let kaleidoscopeAngle=0;let kaleidoscopeSpinning=false;let kaleidoscopeFrame=0;function sizeKaleidoscope(){const rect=kaleidoscopeCanvas.getBoundingClientRect();const side=Math.max(300,Math.min(rect.width,rect.height||rect.width));const ratio=Math.min(2,devicePixelRatio||1);kaleidoscopeCanvas.width=Math.round(side*ratio);kaleidoscopeCanvas.height=Math.round(side*ratio);kaleidoscopeContext.setTransform(ratio,0,0,ratio,0,0);drawKaleidoscope();}function drawKaleidoscope(){const side=kaleidoscopeCanvas.width/Math.min(2,devicePixelRatio||1);const center=side/2;const segments=Number(kaleidoscopeSegments.value);const density=Number(kaleidoscopeDensity.value);kaleidoscopeContext.fillStyle='#100b24';kaleidoscopeContext.fillRect(0,0,side,side);for(let segment=0;segment<segments;segment+=1){for(let mirror=0;mirror<2;mirror+=1){kaleidoscopeContext.save();kaleidoscopeContext.translate(center,center);kaleidoscopeContext.rotate(kaleidoscopeAngle+segment*Math.PI*2/segments);kaleidoscopeContext.scale(1,mirror?-1:1);for(let index=0;index<density;index+=1){const radius=36+index*(center-54)/density;const size=8+(index*7)%24;kaleidoscopeContext.beginPath();kaleidoscopeContext.fillStyle=['#22d3ee','#f472b6','#fde047','#a78bfa'][index%4]+'bb';kaleidoscopeContext.arc(radius,Math.sin(index*1.7)*radius*.18,size,0,Math.PI*2);kaleidoscopeContext.fill();kaleidoscopeContext.rotate(.045);}kaleidoscopeContext.restore();}}if(kaleidoscopeSpinning&&!kaleidoscopeReduced){kaleidoscopeAngle+=.004;cancelAnimationFrame(kaleidoscopeFrame);kaleidoscopeFrame=requestAnimationFrame(drawKaleidoscope);}}kaleidoscopeCanvas.addEventListener('pointermove',event=>{const rect=kaleidoscopeCanvas.getBoundingClientRect();kaleidoscopeAngle=(event.clientX-rect.left)/rect.width*Math.PI*2;drawKaleidoscope();});kaleidoscopeCanvas.addEventListener('keydown',event=>{if(!['ArrowLeft','ArrowRight'].includes(event.key))return;event.preventDefault();kaleidoscopeAngle+=event.key==='ArrowRight'?.12:-.12;drawKaleidoscope();announce('Se ha ajustado el ángulo de giro del caleidoscopio');});[kaleidoscopeSegments,kaleidoscopeDensity].forEach(input=>input.addEventListener('input',()=>{document.querySelector('#kaleidoscopeSegmentsValue').textContent=kaleidoscopeSegments.value;document.querySelector('#kaleidoscopeDensityValue').textContent=kaleidoscopeDensity.value;drawKaleidoscope();announce('Caleidoscopio '+kaleidoscopeSegments.value+' sectors, densidad '+kaleidoscopeDensity.value);}));document.querySelector('#kaleidoscopeSpin').addEventListener('click',event=>{kaleidoscopeSpinning=!kaleidoscopeSpinning;event.currentTarget.textContent=kaleidoscopeSpinning?'Detener rotación':'Rotación automática';event.currentTarget.setAttribute('aria-pressed',String(kaleidoscopeSpinning));cancelAnimationFrame(kaleidoscopeFrame);drawKaleidoscope();announce(kaleidoscopeSpinning?'El caleidoscopio empieza a girar automáticamente':'El caleidoscopio se ha detenido');});addEventListener('resize',sizeKaleidoscope,{passive:true});sizeKaleidoscope();
/* 11DZ_CORE_SCRIPT_END */
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const workflowDispatchCore=document.querySelector('#workflowCore');const workflowDispatchForm=document.querySelector('#workflowDispatchForm');const workflowDispatchSelect=document.querySelector('#workflowDispatchActive');const workflowDispatchJobs=new Map([["1",{"label":"Escaneo de sonar","amount":12,"priority":"normal","touches":0}],["2",{"label":"Muestra de fuente termal","amount":21,"priority":"urgent","touches":0}]]);let workflowDispatchSerial=workflowDispatchJobs.size;function workflowDispatchDrive(job,activate=false){workflowDispatchCore.dataset.dispatchPriority=job.priority;workflowDispatchCore.style.setProperty('--dispatch-load',Math.min(.95,.16+job.amount/120));const bridge=activate?workflowBridgeActivate():{changed:false,summary:workflowBridgeSummary()};document.querySelector('#workflowDispatchSummary').textContent=job.label+' · '+job.amount+' metro · '+bridge.summary;announce('Misión de inmersión: tarea actual:'+job.label);}function workflowDispatchRender(activeId,activate=false){workflowDispatchSelect.replaceChildren(...[...workflowDispatchJobs].map(([id,job])=>{const option=document.createElement('option');option.value=id;option.textContent=job.label+(job.priority==='urgent'?' · Urgente':'');return option;}));workflowDispatchSelect.value=activeId;workflowDispatchDrive(workflowDispatchJobs.get(activeId),activate);}workflowDispatchForm.addEventListener('submit',event=>{event.preventDefault();const data=new FormData(workflowDispatchForm);const id=String(++workflowDispatchSerial);workflowDispatchJobs.set(id,{label:document.querySelector('#workflowDispatchKind').value,amount:Math.max(1,Number(document.querySelector('#workflowDispatchAmount').value)||1),priority:data.get('workflowPriority'),touches:0});workflowDispatchRender(id,true);});workflowDispatchSelect.addEventListener('change',()=>workflowDispatchDrive(workflowDispatchJobs.get(workflowDispatchSelect.value),true));workflowDispatchCore.addEventListener('focusin',()=>{const job=workflowDispatchJobs.get(workflowDispatchSelect.value);if(!job)return;job.touches+=1;document.querySelector('#workflowDispatchSummary').textContent=job.label+' · '+job.amount+' metro · '+workflowBridgeSummary();});workflowDispatchRender('1',false);
workflowBridgeReset();
  </script>
</body>
</html>
Comentarios de la página¿Has encontrado un problema o tienes sugerencias de mejora?
Las funciones de retroalimentación deben usarse en la versión en línea

Envía tras activar JavaScript en la versión en línea; las funciones locales de la herramienta o del ejemplo no se verán afectadas.

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