Codrops 사례 연구
A little order. A lot of motion.
섹션 · MIT
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</style></head><body><main id="root" class="study"><header class="masthead"><strong>STYLEGALLERY / STUDIES</strong><span>CODE + CURIOSITY / 01</span><span>INDEPENDENT EXAMPLE</span></header><div class="intro"><div><p class="eyebrow">01 / Text & particle timing</p><h1>A little order. A lot of motion.</h1></div><p>Split a heading, change the launch order, and slow the same timeline to a gentle stop. Every colored particle comes from a small repeating palette.</p></div><div class="workbench"><div class="visual type-lab"><div class="type-heading" data-heading aria-label="Make room for wonder"></div><svg viewBox="0 0 900 200" class="particle-rack" aria-hidden="true" data-particles></svg><div class="type-rule"><span>WORDS IN MOTION</span><span>SMALL SYSTEMS / BIG FEELINGS</span></div></div><aside class="panel" aria-label="Study controls"><label class="control"><span>Heading · use | for a new line</span><input type="text" data-control="text" value="Make room|for wonder." maxlength="70"></label><label class="control"><span>Stagger origin</span><select data-control="origin"><option value="start">Start</option><option value="center" selected>Center</option><option value="edges">Edges</option><option value="random">Random</option></select></label><label class="control"><span>Mask owner</span><select data-control="mask"><option value="line" selected>One per line</option><option value="character">One per character</option></select></label><label class="control"><span>Speed target<output data-value="speed">1</output></span><input aria-label="Speed target" data-control="speed" type="range" min="0" max="2" value="1" step="0.05"></label><label class="control"><span>Timeline<output data-value="progress">78</output></span><input aria-label="Timeline" data-control="progress" type="range" min="0" max="100" value="78" step="1"></label><label class="control"><span>Repeat randomization</span><select data-control="refresh"><option value="on" selected>Resample each cycle</option><option value="off">Keep one sample</option></select></label><div class="controls"><button type="button" data-play aria-pressed="false">Play motion</button><button type="button" data-action="replay" >Replay</button></div><output class="readout" data-readout>LINE MASKS / 2
PALETTE / 4 COLORS</output></aside></div><div class="motion-bar"><label><input type="checkbox" data-static> Static view · less motion</label><p class="feedback" data-feedback aria-live="polite">Motion starts only when requested. All inputs are local.</p></div><details class="contract"><summary>What this study teaches</summary><p>A local timeline assigns independent character offsets, cyclic colors and directions, seeded repeat-refresh particles, and a smoothed playback rate. Line and character clipping can be compared without a text-animation library.</p><p>Independent implementation informed by “7 Must-Know GSAP Animation Tips for Creative Developers”, Carl Schooff, Codrops. This is newly authored code and artwork, not a recovered original project. Several printed snippets contain smart quotes or incomplete syntax; treat them as explanations and write/test the implementation independently. No claim that the entire author Pen collection was recovered.</p></details><noscript><div class="fallback"><p>This study’s explanation and initial HTML illustration remain available. Interactive rendering needs JavaScript.</p></div></noscript></main><script>/* Generated by scripts/build-codrops-article-studies.mjs.
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const chars=$$('.type-character'),origin=value('origin');
chars.forEach((span,i)=>{let order=i/Math.max(1,chars.length-1);if(origin==='center')order=Math.abs(order-.5)*2;if(origin==='edges')order=1-Math.abs(order-.5)*2;if(origin==='random')order=((i*37+11)%chars.length)/Math.max(1,chars.length-1);const amount=isReduced?1:clamp((phase-order*.4)/.4);span.style.transform='translateY('+((1-amount)*115*(i%2?1:-1))+'%)';span.style.color=palette[i%4];});
const seed=value('refresh')==='on'?cycle:0;
$('[data-particles]').innerHTML=Array.from({length:30},(_,i)=>{const angle=(i*2.399+seed*.71),amp=30+((i*61+seed*29)%80),x=450+Math.cos(angle)*amp*3.4,y=100+Math.sin(angle)*amp*(.35+clamp(phase)*.5);return '<circle cx="'+x+'" cy="'+y+'" r="'+(3+i%6)+'" fill="'+palette[i%4]+'"/>';}).join('');
setText('[data-value="progress"]',Math.round(clamp(phase)*100));setText('[data-readout]','MASK WRAPPERS / '+(mask==='line'?heading.split('|').length:chars.length)+'\nCHARACTERS / '+chars.length+'\nCYCLE / '+cycle+' · RATE / '+rate.toFixed(2)+'\nORDER / '+origin.toUpperCase());
}
listen('replay',()=>{cycle++;$('[data-control="progress"]').value='0';phase=0;repaint();start();});install(renderTypography);
}catch(error){report(error);}
requestAnimationFrame(()=>requestAnimationFrame(()=>{if(preview.status!=='error'){preview.status='mounted';document.body.dataset.previewStatus='mounted';parent.postMessage({type:'sg-preview-ready',id},'*');observe();setTimeout(observe,700);}}));
})();</script></body></html>
styles.css독립 구현
/* Generated by scripts/build-codrops-article-studies.mjs.
MIT License
Copyright (c) 2026 StyleGallery contributors
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Scope: independently authored study HTML, CSS, JavaScript, shaders and SVG only. Original articles, source projects, brands, artwork and screenshots are excluded. Their licenses and acquisition dispositions are unchanged.
*/
*{box-sizing:border-box}html{color-scheme:dark}html,body{margin:0;min-height:100%}body{background:var(--paper,#0c1321);color:var(--ink,#f4f3e9);font-family:Arial,Helvetica,sans-serif}button,input,select{font:inherit}button,select,input{min-width:0}button{background:transparent;border:1px solid #ffffff40;border-radius:999px;color:inherit;cursor:pointer;min-height:40px;padding:10px 16px}button:hover{background:#ffffff15}button[aria-pressed=true]{background:var(--accent,#dbff78);border-color:transparent;color:#122014}button:disabled{cursor:default;opacity:.6}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid var(--accent,#dbff78);outline-offset:4px}input,select{accent-color:var(--accent,#dbff78)}select,input[type=text],input[type=number]{background:#132235;border:1px solid #ffffff50;border-radius:7px;color:#fff;min-height:38px;padding:8px;width:100%}input[type=range]{display:block;min-height:30px;width:100%}a{color:inherit}svg{display:block;max-width:100%}h1,h2,p,figure{margin:0}h1{font-size:clamp(36px,6.5vw,78px);font-weight:500;letter-spacing:-.06em;line-height:.99}h2{font-size:24px;font-weight:500;letter-spacing:-.025em}p{line-height:1.55}.study{isolation:isolate;min-height:100vh;padding:clamp(18px,3.8vw,48px)}.masthead{align-items:center;display:flex;flex-wrap:wrap;font:10px/1.5 ui-monospace,monospace;gap:16px;justify-content:space-between;letter-spacing:.11em;margin-bottom:35px;text-transform:uppercase}.masthead strong{font-size:12px;letter-spacing:-.02em}.intro{display:grid;gap:18px;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);margin-bottom:30px;align-items:end}.intro p{color:var(--muted,#b7c7d4);font-size:13px;max-width:38em}.eyebrow{color:var(--accent,#dbff78);font:10px/1.4 ui-monospace,monospace;letter-spacing:.14em;margin-bottom:12px;text-transform:uppercase}.workbench{display:grid;gap:20px;grid-template-columns:minmax(0,1fr) 230px}.visual{background:var(--surface,#101d2b);border:1px solid #ffffff20;border-radius:20px;min-width:0;overflow:hidden;position:relative}.drawing{height:auto;width:100%}.art-canvas{aspect-ratio:1.55;display:block;height:auto;width:100%}.panel{align-content:start;display:grid;gap:17px}.control{display:grid;font-size:11px;gap:7px;min-width:0}.control>span{display:flex;gap:10px;justify-content:space-between}.control output{color:var(--accent,#dbff78);font-family:ui-monospace,monospace}.controls{display:flex;flex-wrap:wrap;gap:8px}.readout{background:#ffffff09;border:1px solid #ffffff18;border-radius:12px;font:11px/1.7 ui-monospace,monospace;overflow-wrap:anywhere;padding:14px;white-space:pre-line}.legend{align-items:center;display:flex;flex-wrap:wrap;font:10px/1.6 ui-monospace,monospace;gap:16px;padding:16px 20px}.legend i{background:var(--accent,#dbff78);border-radius:50%;display:inline-block;height:6px;margin-right:6px;width:6px}.contract{border-top:1px solid #ffffff20;color:var(--muted,#b7c7d4);font-size:11px;margin-top:28px;padding-top:18px}.contract summary{color:var(--ink,#f4f3e9);cursor:pointer;font-size:12px}.contract p{margin-top:10px;max-width:90ch}.motion-bar{align-items:center;border-top:1px solid #ffffff20;display:flex;flex-wrap:wrap;font-size:11px;gap:12px;justify-content:space-between;margin-top:26px;padding-top:18px}.motion-bar label{align-items:center;display:flex;gap:8px}.feedback{color:var(--muted,#b7c7d4);font:11px/1.5 ui-monospace,monospace;min-height:18px}.visually-hidden{clip-path:inset(50%);height:1px;overflow:hidden;position:absolute;width:1px}[hidden]{display:none!important}.stage-note{background:#07111ac9;bottom:18px;color:#dfe8f0;font:11px/1.5 ui-monospace,monospace;left:18px;max-width:calc(100% - 36px);padding:8px 12px;position:absolute;z-index:2}.big-number{font-size:clamp(70px,14vw,180px);letter-spacing:-.08em;line-height:1}.plain-list{display:grid;gap:12px;list-style:none;margin:0;padding:0}.plain-list li{border-bottom:1px solid #ffffff20;padding:12px 0}.tabs{display:flex;flex-wrap:wrap;gap:7px}.tabs button{font-size:11px}.two{display:grid;gap:20px;grid-template-columns:1fr 1fr}.code-sample{color:#c9ecbe;font:11px/1.7 ui-monospace,monospace;overflow:auto;white-space:pre-wrap}.fallback{padding:30px}.fallback p{max-width:38ch}.static-gallery{display:none}.study[data-reduced=true] .static-gallery{display:grid}.study[data-reduced=true] .animated-story{display:none}.study[data-reduced=true] *{animation:none!important;transition:none!important}body[data-preview-status=error] .feedback{color:#ffbba3}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;scroll-behavior:auto!important;transition:none!important}}@media(max-width:700px){.intro{grid-template-columns:1fr}.workbench{grid-template-columns:1fr}.panel{grid-template-columns:repeat(2,minmax(0,1fr))}.panel>.readout,.panel>.controls{grid-column:1/-1}.masthead{margin-bottom:26px}.two{grid-template-columns:1fr}}@media(max-width:380px){.panel{gap:12px}.control{font-size:10px}.panel button{font-size:11px;padding:9px 12px}.legend{gap:8px;padding:12px}.visual{border-radius:13px}}
.type-lab{background:#19334c;display:flex;flex-direction:column;justify-content:space-between;min-height:440px;padding:34px}.type-heading{color:#fff0bf;font-size:clamp(36px,6.2vw,84px);font-weight:600;letter-spacing:-.06em;line-height:1.06}.mask-line{display:block;overflow:hidden;padding-bottom:.1em}.type-character{display:inline-block;white-space:pre}.character-mask{display:inline-block;overflow:hidden;vertical-align:bottom}.particle-rack{height:140px;width:100%}.type-rule{display:flex;flex-wrap:wrap;font:9px ui-monospace,monospace;gap:12px;justify-content:space-between;letter-spacing:.1em}.type-lab[data-mask=character] .mask-line{overflow:visible}@media(max-width:500px){.type-lab{min-height:370px;padding:23px}.type-heading{font-size:43px}}
@media(max-height:550px) and (min-width:500px){
.study{padding:18px}.masthead{font-size:8px;gap:10px;margin-bottom:16px}.masthead strong{font-size:10px}.intro{gap:18px;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);margin-bottom:18px}.intro h1{font-size:34px}.intro p{font-size:10px;line-height:1.5}.intro .eyebrow{font-size:8px;margin-bottom:8px}.workbench{gap:16px;grid-template-columns:minmax(0,1fr) 174px}.panel{gap:10px;grid-template-columns:1fr}.panel .control{font-size:9px;gap:3px}.panel .control input[type=range]{min-height:22px}.panel select,.panel input[type=text],.panel input[type=number]{font-size:10px;min-height:31px;padding:6px}.panel .controls{gap:5px}.panel button{font-size:9px;min-height:30px;padding:7px 10px}.panel .readout{font-size:8px;padding:10px}.art-canvas{aspect-ratio:auto!important;height:250px;object-fit:contain}.legend{font-size:8px;gap:8px;padding:10px 13px}.stage-note{bottom:12px;font-size:8px;left:12px;padding:5px 8px}.type-lab{min-height:280px;padding:23px}.type-heading{font-size:36px}.particle-rack{height:80px}.type-rule{font-size:7px}.bounce-lab>.drawing{height:230px;object-fit:contain}.track-graph{padding:9px 16px}.track-graph svg{height:43px}.member-lab{min-height:300px;padding:18px}.member-heading h2{font-size:24px}.member-collage{height:180px}.member-total .counter{font-size:52px}.member-total>span{font-size:7px}.member-card span{font-size:6px;padding:4px}.composer-surface{padding:20px}.composer-label{font-size:8px;margin-bottom:20px}.form-set{gap:10px}.form-set h2{font-size:20px;margin-top:12px}.form-set p{font-size:9px}.timeline-rows{padding:12px 17px}.mascot-lab>.drawing{height:250px;object-fit:contain}.pose-strip{padding:10px 14px}.pose-marker{font-size:8px;padding:6px 0}.fit-stage{min-height:270px;padding:20px}.fit-stage canvas{max-height:235px}.tree-columns{grid-template-columns:125px minmax(0,1fr);min-height:320px}.tree-inspector{padding:17px 12px}.tree-inspector pre{font-size:8px;margin-top:18px}.tree-rules{display:none}.tree-preview{min-height:0;padding:14px}.tree-width-label,.tree-caption{font-size:7px}.fixture-copy h2{font-size:1.6em}.fixture-copy p{font-size:.65em}.fixture-output{gap:10px;padding:12px}.fixture-art{max-height:90px}.semantic-lab{grid-template-columns:110px minmax(0,1fr);min-height:320px}.node-list{flex-direction:column;padding:12px 7px}.node-list button{font-size:8px;gap:5px;padding:9px 7px}.node-list button small{font-size:7px}.semantic-preview{padding:14px}.semantic-fixture{padding:8px}.semantic-fixture h2{font-size:27px}.semantic-fixture p{font-size:10px}.semantic-art{height:75px}.markup-panel{padding:15px}.markup-panel pre{font-size:8px}.plant-lab{padding:18px}.plant-heading h2{font-size:28px}.plant-heading span{font-size:8px}.plant-illustration{margin:-60px 0 -8px}.plant-illustration svg{height:250px}.plant-callouts{gap:5px}.plant-callouts button{font-size:7px;min-height:28px;padding:7px}.plant-feature,.care-plan{font-size:10px}.orbit-lab{min-height:300px}.orbit-camera{height:270px}.orbit-ring{height:170px;width:110px}.orbit-card{height:170px;width:110px}.orbit-foot{font-size:8px;padding:10px 14px}.botanical-window{aspect-ratio:1.5}.window-label h2{font-size:29px}.window-label span{font-size:8px}.gold-lab{padding:18px}.gold-heading h2{font-size:28px;margin-top:9px}.gold-heading>span,.gold-total>span{font-size:7px}.gold-lab>svg{height:175px;margin:-27px 0 -6px}.gold-total{padding-top:9px}.gold-total output{font-size:43px}.gold-disclaimer{font-size:9px}.story-controls{gap:10px;grid-template-columns:repeat(4,minmax(0,1fr));padding:10px 0;position:relative}.story-controls .control{font-size:8px}.story-controls input[type=range]{min-height:20px}.story-controls>.controls{grid-column:auto}.story-controls button{font-size:8px;min-height:27px;padding:6px 8px}.story-pin{top:10px}.story-pin>.visual{min-height:270px}.story-pin .art-canvas{height:270px}.story-copy{bottom:20px;left:20px;max-width:255px}.story-chapter h2{font-size:29px;margin:8px 0}.story-chapter p{font-size:10px}.story-chapter>span{font-size:8px}.moon-lab{aspect-ratio:auto;min-height:270px}.moon-progress,.cylinder-energy,.terrain-coordinates{font-size:8px}.story-skip{font-size:9px;margin-bottom:10px}.reading-chapter{grid-template-columns:1fr 1fr}.motion-bar{margin-top:18px}
}
함께 쓰는 파일 5개 보기
script.js독립 구현
/* Generated by scripts/build-codrops-article-studies.mjs.
MIT License
Copyright (c) 2026 StyleGallery contributors
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Scope: independently authored study HTML, CSS, JavaScript, shaders and SVG only. Original articles, source projects, brands, artwork and screenshots are excluded. Their licenses and acquisition dispositions are unchanged.
*/
(() => {
'use strict';
const id="codrops-d715f5f9c606",stage=document.querySelector('.study');
const preview=window.__STYLEGALLERY_PREVIEW__={id,status:'loading',errors:[]};
const report=error=>{const message=error instanceof Error?error.message:String(error);if(!preview.errors.includes(message))preview.errors.push(message);preview.status='error';document.body.dataset.previewStatus='error';parent.postMessage({type:'sg-preview-error',id,message},'*');const feedback=document.querySelector('[data-feedback]');if(feedback)feedback.textContent=message;};
addEventListener('error',event=>report(event.error||event.message));addEventListener('unhandledrejection',event=>report(event.reason));
const $=selector=>stage.querySelector(selector),$$=selector=>[...stage.querySelectorAll(selector)];
const value=key=>$('[data-control="'+key+'"]').value,number=key=>Number(value(key));
const clamp=(x,a=0,b=1)=>Math.max(a,Math.min(b,x)),lerp=(a,b,t)=>a+(b-a)*t;
const setText=(selector,text)=>{const node=$(selector);if(node)node.textContent=text;};
const media=matchMedia('(prefers-reduced-motion: reduce)');
let isReduced=media.matches,playing=false,time=0,draw=()=>{},raf=0,last=0,disposed=false;
const cleanups=[],on=(target,type,fn,options)=>{target.addEventListener(type,fn,options);cleanups.push(()=>target.removeEventListener(type,fn,options));};
const listen=(key,fn)=>on($('[data-action="'+key+'"]'),'click',fn);
const repaint=()=>{if(!disposed){try{draw(0);}catch(error){report(error);}}};
const loop=now=>{raf=0;if(disposed||!playing||isReduced)return;const dt=Math.min((now-last)/1000,.05);last=now;time+=dt;try{draw(dt);}catch(error){report(error);stop();return;}raf=requestAnimationFrame(loop);};
function stop(){playing=false;cancelAnimationFrame(raf);raf=0;$$('[data-play]').forEach(button=>{button.setAttribute('aria-pressed','false');button.textContent=isReduced?'Static view active':'Play motion';});}
function start(){if(isReduced)return;playing=true;last=performance.now();$$('[data-play]').forEach(button=>{button.setAttribute('aria-pressed','true');button.textContent='Pause motion';});if(!raf)raf=requestAnimationFrame(loop);}
function applyMotionPreference(){isReduced=media.matches||$('[data-static]').checked;stage.dataset.reduced=String(isReduced);if(isReduced)stop();$$('[data-play]').forEach(button=>{button.disabled=isReduced;button.textContent=playing?'Pause motion':isReduced?'Static view active':'Play motion';});repaint();}
function install(render){draw=render;applyMotionPreference();}
const observe=()=>{const root=document.getElementById('root'),elements=[...root.querySelectorAll('*')],rect=root.getBoundingClientRect();parent.postMessage({type:'sg-preview-observation',id,diagnostics:{textLength:root.textContent.trim().length,elementCount:elements.length,visibleElementCount:elements.filter(element=>{const r=element.getBoundingClientRect(),s=getComputedStyle(element);return r.width>0&&r.height>0&&s.display!=='none'&&s.visibility!=='hidden'&&Number(s.opacity)!==0;}).length,images:[],canvases:$$('canvas').map(c=>({width:c.width,height:c.height})),rootRect:{width:rect.width,height:rect.height},documentWidth:document.documentElement.scrollWidth,viewportWidth:innerWidth}},'*');};
on(media,'change',applyMotionPreference);on($('[data-static]'),'change',applyMotionPreference);
$$('[data-play]').forEach(button=>on(button,'click',()=>playing?stop():start()));
$$('[data-control]').forEach(input=>on(input,'input',()=>{const output=$('[data-value="'+input.dataset.control+'"]');if(output)output.textContent=input.value;if(input.dataset.control!=='story')repaint();}));
on(document,'visibilitychange',()=>{if(document.hidden)stop();});
on(window,'pagehide',()=>{disposed=true;stop();cleanups.forEach(fn=>fn());});
function canvas2D(selector,width=900,height=580){const canvas=$(selector);canvas.width=width;canvas.height=height;const context=canvas.getContext('2d');if(!context)throw Error('A 2D drawing surface is unavailable.');return {canvas,ctx:context,width,height};}
function createGL(canvas,fragment,vertex){const gl=canvas.getContext('webgl',{alpha:false,antialias:true,preserveDrawingBuffer:true});if(!gl){canvas.hidden=true;const fallback=$('[data-gl-fallback]');if(fallback)fallback.hidden=false;throw Error('WebGL is unavailable. The study explanation and controls remain readable.');}
const shader=(type,source)=>{const s=gl.createShader(type);gl.shaderSource(s,source);gl.compileShader(s);if(!gl.getShaderParameter(s,gl.COMPILE_STATUS))throw Error(gl.getShaderInfoLog(s));return s;};
const vs=shader(gl.VERTEX_SHADER,vertex||'attribute vec2 aPosition;varying vec2 vUv;void main(){vUv=aPosition*.5+.5;gl_Position=vec4(aPosition,0.,1.);}'),fs=shader(gl.FRAGMENT_SHADER,fragment),program=gl.createProgram();gl.attachShader(program,vs);gl.attachShader(program,fs);gl.linkProgram(program);if(!gl.getProgramParameter(program,gl.LINK_STATUS))throw Error(gl.getProgramInfoLog(program));gl.useProgram(program);
const buffer=gl.createBuffer();gl.bindBuffer(gl.ARRAY_BUFFER,buffer);if(!vertex){gl.bufferData(gl.ARRAY_BUFFER,new Float32Array([-1,-1,1,-1,-1,1,-1,1,1,-1,1,1]),gl.STATIC_DRAW);const location=gl.getAttribLocation(program,'aPosition');gl.enableVertexAttribArray(location);gl.vertexAttribPointer(location,2,gl.FLOAT,false,0,0);}
const uniforms=new Map(),uniform=(name,...args)=>{if(!uniforms.has(name))uniforms.set(name,gl.getUniformLocation(program,name));const location=uniforms.get(name);if(location===null)return;if(args[0] instanceof Float32Array)gl.uniform3fv(location,args[0]);else gl['uniform'+args.length+'f'](location,...args);};
function resize(){const r=canvas.getBoundingClientRect();canvas.width=Math.max(1,Math.round(Math.min(r.width,850)));canvas.height=Math.max(1,Math.round(canvas.width/(r.width/Math.max(1,r.height))));gl.viewport(0,0,canvas.width,canvas.height);uniform('uResolution',canvas.width,canvas.height);repaint();}
const observer=new ResizeObserver(resize);observer.observe(canvas);cleanups.push(()=>{observer.disconnect();gl.deleteBuffer(buffer);gl.deleteProgram(program);gl.deleteShader(vs);gl.deleteShader(fs);});resize();return {gl,program,buffer,uniform,resize};}
try{
let headingKey='',phase=.78,rate=1,cycle=0;
const palette=['#fb986f','#f1ecb5','#a8dcca','#93bcf7'];
function renderTypography(dt){
const heading=value('text')||' ',mask=value('mask'),key=heading+'|'+mask;
if(key!==headingKey){headingKey=key;const host=$('[data-heading]');host.replaceChildren();host.setAttribute('aria-label',heading.replaceAll('|',' '));for(const line of heading.split('|')){const wrap=document.createElement('span');wrap.className='mask-line';for(const character of Array.from(line)){const outer=document.createElement('span');outer.className=mask==='character'?'character-mask':'character-holder';const span=document.createElement('span');span.className='type-character';span.textContent=character;span.setAttribute('aria-hidden','true');outer.append(span);wrap.append(outer);}host.append(wrap);}}
$('.type-lab').dataset.mask=mask;
if(dt){rate=lerp(rate,number('speed'),1-Math.exp(-dt*5));phase+=dt*rate*.32;if(phase>1.2){phase=0;cycle++;}$('[data-control="progress"]').value=String(Math.round(clamp(phase)*100));}else phase=number('progress')/100;
const chars=$$('.type-character'),origin=value('origin');
chars.forEach((span,i)=>{let order=i/Math.max(1,chars.length-1);if(origin==='center')order=Math.abs(order-.5)*2;if(origin==='edges')order=1-Math.abs(order-.5)*2;if(origin==='random')order=((i*37+11)%chars.length)/Math.max(1,chars.length-1);const amount=isReduced?1:clamp((phase-order*.4)/.4);span.style.transform='translateY('+((1-amount)*115*(i%2?1:-1))+'%)';span.style.color=palette[i%4];});
const seed=value('refresh')==='on'?cycle:0;
$('[data-particles]').innerHTML=Array.from({length:30},(_,i)=>{const angle=(i*2.399+seed*.71),amp=30+((i*61+seed*29)%80),x=450+Math.cos(angle)*amp*3.4,y=100+Math.sin(angle)*amp*(.35+clamp(phase)*.5);return '<circle cx="'+x+'" cy="'+y+'" r="'+(3+i%6)+'" fill="'+palette[i%4]+'"/>';}).join('');
setText('[data-value="progress"]',Math.round(clamp(phase)*100));setText('[data-readout]','MASK WRAPPERS / '+(mask==='line'?heading.split('|').length:chars.length)+'\nCHARACTERS / '+chars.length+'\nCYCLE / '+cycle+' · RATE / '+rate.toFixed(2)+'\nORDER / '+origin.toUpperCase());
}
listen('replay',()=>{cycle++;$('[data-control="progress"]').value='0';phase=0;repaint();start();});install(renderTypography);
}catch(error){report(error);}
requestAnimationFrame(()=>requestAnimationFrame(()=>{if(preview.status!=='error'){preview.status='mounted';document.body.dataset.previewStatus='mounted';parent.postMessage({type:'sg-preview-ready',id},'*');observe();setTimeout(observe,700);}}));
})();LICENSE독립 구현
MIT License
Copyright (c) 2026 StyleGallery contributors
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Scope: independently authored study HTML, CSS, JavaScript, shaders and SVG only. Original articles, source projects, brands, artwork and screenshots are excluded. Their licenses and acquisition dispositions are unchanged.
NOTES.md독립 구현
# A little order. A lot of motion.
Independent article case study. Domain: website consumer / Design Engineering presentation.
A local timeline assigns independent character offsets, cyclic colors and directions, seeded repeat-refresh particles, and a smoothed playback rate. Line and character clipping can be compared without a text-animation library.
## Attribution and evidence
Studied: [7 Must-Know GSAP Animation Tips for Creative Developers](https://tympanus.net/codrops/2025/09/03/7-must-know-gsap-animation-tips-for-creative-developers/), Carl Schooff. Article SHA-256: ddcec9ad06c1c59e096531ef95e887e781e30a975974c4a0d4983583d04a60d5. Analysis SHA-256: b1f813cd5a2a3c8c10d476c9248a7663ac401c0a15dc7d22d80657f35254305c. Source revision: dec6d5676f58fa51d4dfa1e6fe7eb3d1f10b8a75aeda0c576137b1c2c07ca42c. The revision hashes the article/analysis hashes, the analyst principle and code-block evidence references; it identifies studied evidence, not a claim that the original demo executes.
Original acquisition: unresolved. Original license: unverified. originalSourceAcquired: false. Public article and 16 code fragments acquired. The directly linked Fancy Wrap CodePen did not return complete source through the stopped raw route or ordinary editor retrieval; complete author Pen sources remain unresolved.
No original article prose, code, artwork, source project or screenshot is distributed here. The authored-code MIT notice applies only to the independent implementation. Several printed snippets contain smart quotes or incomplete syntax; treat them as explanations and write/test the implementation independently. No claim that the entire author Pen collection was recovered.
## Initial state and controls
Split a heading, change the launch order, and slow the same timeline to a gentle stop. Every colored particle comes from a small repeating palette.
The page starts stationary. Play motion, where present, advances this study’s presentation until paused; text, bounce, portrait, orbit, strand and mascot motion loops, while the event composer stops at its endpoint. Scroll studies advance through ordinary document scroll or their chapter buttons. Static view stops time-based motion; manual controls still inspect values. The three scroll studies instead show every chapter in ordinary reading flow. Pointer parallax centers its decorative layers.
Initial control values:
| Control key | Value |
| --- | --- |
| text | Make room / for wonder. |
| origin | center |
| mask | line |
| speed | 1 |
| progress | 78 |
| refresh | on |
## Running and editing
Open index.html directly. It contains all runtime code and visuals and needs no package install, account, network, remote asset or browser-origin storage. Edit its inline style and script to change the downloaded page. styles.css and script.js are reference copies of the inline source; changing those copies alone does not change the running page. Repository regeneration overwrites index.html and all generated copies, including any manual edits. Keep a separate copy when editing a download. The repository authoring modules in vendor/codrops-article-studies/scenes-*.mjs and runtime.mjs regenerate these copies through node scripts/build-codrops-article-studies.mjs. Repository regeneration also needs the private source evidence; downloaded-page execution does not.
## Verification boundary
This generation passed the captured article/analysis hash checks, exact ID membership, local canonical Markdown anchor/hash checks, implementation-symbol checks, JavaScript parsing, semantic main/title counts, duplicate-ID checks and runtime URL/storage exclusion. The manifest codeFiles entries identify every emitted file by SHA-256. Each code symbol is a searchable named function, not a claimed executed call trace. Proposed checks are in KNOWLEDGE.json. runtime_verified: false. SG artifact capture proves only a recorded initial render; no interactive runtime, keyboard, accessibility, comfort or performance result is claimed.
Manual Chrome interaction is blocked by extension UI in this session. No alternate browser-control route was used. Preview sizing is native responsive width. Initial-render captures are tracked separately at site/artifacts/full-import/preview-posters/index.json and site/artifacts/full-import/preview-posters/visual-review.json in the repository. No capture receipt is bundled with this download. The bounded initial-render matrix requests all 21 studies at 320 pixels and three representative studies at 1280 pixels; the separate poster surface is 640 × 420. The authored CSS also adapts at 375 and 768 pixels, without claiming those widths were captured. A width request does not mean that capture exists or passed. Motion starts on explicit playback; system reduced motion and the Static view switch stop it.
consumer_reference: consumer-reference/agent-native/registry.json
KNOWLEDGE.json독립 구현
[
{
"id": "codrops-d715f5f9c606-article-0",
"source": "motion/interruption-and-retargeting.md",
"anchor": "reusable-method",
"sourceSha256": "8b733e239fa3a1b2472b14bd2c1dbbdb7ea19b32e085e3cf3be148f001ccb2ea",
"title": "01 / Text & particle timing · renderTypography",
"principle": "The speed target changes while the same phase owner continues; easing the rate avoids replacing the character timeline.",
"application": "A local timeline assigns independent character offsets, cyclic colors and directions, seeded repeat-refresh particles, and a smoothed playback rate. Line and character clipping can be compared without a text-animation library. This binding describes the authored study and does not verify the original project.",
"code": [
{
"file": "vendor/codrops-article-studies/records/codrops-d715f5f9c606/script.js",
"symbol": "renderTypography",
"explanation": "The named local function implements this mechanism in the downloadable standalone page; its source hash is listed in codeFiles."
}
],
"checks": [
{
"id": "codrops-d715f5f9c606-renderTypography-binding-0",
"action": "Change speed from 1 to 0 during playback, then return to 1.",
"expected": "The existing phase slows, stops and resumes without rebuilding the text unless the heading or mask changes."
}
],
"runtime_verified": false
},
{
"id": "codrops-d715f5f9c606-article-1",
"source": "design-engineering/component-contract.md",
"anchor": "contract-template",
"sourceSha256": "79e496160e28ab26397d2c5b68075fd14c732d13002ff6c6e41c031d86cac039",
"title": "01 / Text & particle timing · renderTypography",
"principle": "The editable heading owns semantic text; decorative character spans are hidden from accessibility APIs.",
"application": "A local timeline assigns independent character offsets, cyclic colors and directions, seeded repeat-refresh particles, and a smoothed playback rate. Line and character clipping can be compared without a text-animation library. This binding describes the authored study and does not verify the original project.",
"code": [
{
"file": "vendor/codrops-article-studies/records/codrops-d715f5f9c606/script.js",
"symbol": "renderTypography",
"explanation": "The named local function implements this mechanism in the downloadable standalone page; its source hash is listed in codeFiles."
}
],
"checks": [
{
"id": "codrops-d715f5f9c606-renderTypography-binding-1",
"action": "Change the text, mask owner and stagger origin; inspect the heading accessible name.",
"expected": "The complete entered text remains one accessible phrase while wrapper count changes."
}
],
"runtime_verified": false
},
{
"id": "codrops-d715f5f9c606-article-2",
"source": "motion/accessible-motion.md",
"anchor": "preference-changes-during-work",
"sourceSha256": "db0ad692d5bb3103a3cbe13ec08dbe5cf12552aed7ecf2c93b1d7cc0b8a34b8b",
"title": "01 / Text & particle timing · applyMotionPreference",
"principle": "One effective preference owns CSS and script playback. The initial view is stationary, and manual controls retain the study values.",
"application": "A local timeline assigns independent character offsets, cyclic colors and directions, seeded repeat-refresh particles, and a smoothed playback rate. Line and character clipping can be compared without a text-animation library. This binding describes the authored study and does not verify the original project.",
"code": [
{
"file": "vendor/codrops-article-studies/records/codrops-d715f5f9c606/script.js",
"symbol": "applyMotionPreference",
"explanation": "The named local function implements this mechanism in the downloadable standalone page; its source hash is listed in codeFiles."
}
],
"checks": [
{
"id": "codrops-d715f5f9c606-applyMotionPreference",
"action": "Enable Static view during playback, then adjust the visible native controls.",
"expected": "Playback stops, its button is disabled while the preference applies, and the current values remain inspectable without continuous motion."
}
],
"runtime_verified": false
}
]
RETRIEVAL-LOG.md독립 구현
# Retrieval log
Understood as: preserve all 21 original catalog IDs and acquisition dispositions while independently implementing each article’s technical principle as a consumer-owned case study.
SG discover and workflow read from site-compiler revision 6deb1970c80ed113b90be8d6ca617616bbe336c4; workflow SHA-256 0318a99707293af423e52b99b40cf1d87d9c7725e3ab06c5a231e3946f2bebb9. Stage 3 handoff is the primary implementation brief. No original scene assets or source files are reused.
Read-only canonical traversal:
1. AGENTS.md
2. README.md
3. DOMAINS.md
4. GOVERNANCE.md
5. design-engineering/index.md
6. motion/index.md
7. design-engineering/component-contract.md
8. design-engineering/state-management/patterns/derived-state.md
9. design-engineering/native-interaction-contracts.md
10. motion/accessible-motion.md
11. motion/rendering-and-performance.md
12. motion/interruption-and-retargeting.md
13. motion/interaction-recipes.md
Applied canonical sections and current-authoring hashes are recorded in KNOWLEDGE.json. No design-terminology records are relied on. External references within canonical guidance were not independently rechecked by this implementation lane; only the local sections and article capture identities were checked. Root Layout corpus, Game UI, provider integrations and publisher export claims were rejected as outside this lane.
BEHIND THE EXAMPLE
이 장면을 만드는 원리
01 / Text & particle timing · renderTypography
The speed target changes while the same phase owner continues; easing the rate avoids replacing the character timeline.
- 이 예제에서는
- A local timeline assigns independent character offsets, cyclic colors and directions, seeded repeat-refresh particles, and a smoothed playback rate. Line and character clipping can be compared without a text-animation library. This binding describes the authored study and does not verify the original project.
코드와 함께 확인하기
코드에서 찾기
renderTypographyscript.jsThe named local function implements this mechanism in the downloadable standalone page; its source hash is listed in codeFiles.
직접 해보기
Change speed from 1 to 0 during playback, then return to 1.
살펴볼 변화The existing phase slows, stops and resumes without rebuilding the text unless the heading or mask changes.
01 / Text & particle timing · renderTypography
The editable heading owns semantic text; decorative character spans are hidden from accessibility APIs.
- 이 예제에서는
- A local timeline assigns independent character offsets, cyclic colors and directions, seeded repeat-refresh particles, and a smoothed playback rate. Line and character clipping can be compared without a text-animation library. This binding describes the authored study and does not verify the original project.
코드와 함께 확인하기
코드에서 찾기
renderTypographyscript.jsThe named local function implements this mechanism in the downloadable standalone page; its source hash is listed in codeFiles.
직접 해보기
Change the text, mask owner and stagger origin; inspect the heading accessible name.
살펴볼 변화The complete entered text remains one accessible phrase while wrapper count changes.
01 / Text & particle timing · applyMotionPreference
One effective preference owns CSS and script playback. The initial view is stationary, and manual controls retain the study values.
- 이 예제에서는
- A local timeline assigns independent character offsets, cyclic colors and directions, seeded repeat-refresh particles, and a smoothed playback rate. Line and character clipping can be compared without a text-animation library. This binding describes the authored study and does not verify the original project.
코드와 함께 확인하기
코드에서 찾기
applyMotionPreferencescript.jsThe named local function implements this mechanism in the downloadable standalone page; its source hash is listed in codeFiles.
직접 해보기
Enable Static view during playback, then adjust the visible native controls.
살펴볼 변화Playback stops, its button is disabled while the preference applies, and the current values remain inspectable without continuous motion.