Aurora Field Confetti Burst Effect
A confetti burst effect completed for the Aurora Field scenario: includes real content, actionable controls, clear status feedback, and responsive layouts across sizes.
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<title>Aurora Field Confetti Burst Effect</title>
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<header class="mast"><div><span class="eyebrow">editorial / confetti burst effect / ADVANCED</span><h1>Aurora Field Confetti Burst Effect</h1><p class="intro">A confetti burst effect completed for the Aurora Field scenario: includes real content, actionable controls, clear status feedback, and responsive layouts across sizes.</p></div><span class="scenario">Aurora Field</span></header>
<div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="Aurora Field Confetti Burst Interactive Area"><div class="workflow-compare"><form id="workflowCompareControls" class="compare-controls"><fieldset><legend>Reference Channel</legend><label><input type="radio" name="workflowChannel" value="A" checked>A · Green Light Curtain</label><label><input type="radio" name="workflowChannel" value="B">B · magenta light band</label></fieldset><label>Exposure Time Weight<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 seconds</output></label><label><input id="workflowCompareFreeze" type="checkbox">Freeze current version</label><button id="workflowCompareCapture" class="action primary" type="button">Sample and save exposure</button><ol id="workflowCompareShelf" aria-label="Version Sampling Record"></ol></form><section class="compare-stage"><header><span class="eyebrow">Aurora Field COMPARE</span><h2>Aurora A/B Comparison</h2><output id="workflowCompareLive">Version A waiting for sampling</output></header><section id="workflowCore" class="workflow-core compare-core" data-compare-channel="A" style="--compare-split:50%"><!-- 11DZ_CORE_START:creative-effects-confetti-burst --><div class="confetti-lab"><section class="confetti-stage"><canvas id="confettiCanvas" width="960" height="460" aria-label="Aurora Field Confetti Burst Canvas" aria-describedby="confettiHelp">Your browser does not support Canvas.</canvas><div><span>Aurora Field</span><h2>Fill the moments worth celebrating with color</h2><p id="confettiHelp">Click the button or any area on the canvas to trigger confetti.</p></div></section><aside class="confetti-controls panel"><span class="eyebrow">CONFETTI BURST</span><h2>Confetti Burst Effect</h2><label>Burst Count <input id="confettiAmount" type="range" min="20" max="120" value="70" data-core-bridge="creative-effects-confetti-burst"><output id="confettiAmountValue">70</output></label><label>Gravity Strength <input id="confettiGravity" type="range" min="2" max="16" value="8"><output id="confettiGravityValue">8</output></label><button id="confettiBurst" class="action primary" type="button">Release Confetti</button><button id="confettiClear" class="action" type="button">Clear Canvas</button></aside></div><!-- 11DZ_CORE_END --></section></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
/* 11DZ_CORE_SCRIPT_START:creative-effects-confetti-burst */
const confettiCanvas=document.querySelector('#confettiCanvas');const confettiContext=confettiCanvas.getContext('2d');const confettiAmount=document.querySelector('#confettiAmount');const confettiGravity=document.querySelector('#confettiGravity');const confettiReduced=matchMedia('(prefers-reduced-motion: reduce)').matches;let confettiPieces=[];let confettiFrame=0;const confettiColors=['#fde047','#fb7185','#38bdf8','#34d399','#c084fc'];function sizeConfettiCanvas(){const rect=confettiCanvas.getBoundingClientRect();const ratio=Math.min(2,devicePixelRatio||1);confettiCanvas.width=Math.max(320,Math.round(rect.width*ratio));confettiCanvas.height=Math.max(280,Math.round(rect.height*ratio));confettiContext.setTransform(ratio,0,0,ratio,0,0);}function burstConfetti(x,y){const count=Number(confettiAmount.value);for(let index=0;index<count;index+=1){const angle=Math.PI*2*index/count+(index%7)*.08;const speed=2.8+(index%13)*.22;confettiPieces.push({x,y,vx:Math.cos(angle)*speed,vy:Math.sin(angle)*speed-4.8,rotation:index*.7,spin:(index%2?1:-1)*.08,w:5+index%7,h:9+index%8,color:confettiColors[index%confettiColors.length],life:1});}cancelAnimationFrame(confettiFrame);drawConfetti();announce('Released '+count+' Confetti pieces');}function drawConfetti(){const rect=confettiCanvas.getBoundingClientRect();confettiContext.clearRect(0,0,rect.width,rect.height);confettiPieces.forEach(piece=>{if(!confettiReduced){piece.vy+=Number(confettiGravity.value)*.012;piece.x+=piece.vx;piece.y+=piece.vy;piece.rotation+=piece.spin;piece.life-=.004;}confettiContext.save();confettiContext.globalAlpha=Math.max(0,piece.life);confettiContext.translate(piece.x,piece.y);confettiContext.rotate(piece.rotation);confettiContext.fillStyle=piece.color;confettiContext.fillRect(-piece.w/2,-piece.h/2,piece.w,piece.h);confettiContext.restore();});confettiPieces=confettiPieces.filter(piece=>piece.life>0&&piece.y<rect.height+40);if(confettiPieces.length&&!confettiReduced)confettiFrame=requestAnimationFrame(drawConfetti);}document.querySelector('#confettiBurst').addEventListener('click',()=>burstConfetti(confettiCanvas.clientWidth/2,confettiCanvas.clientHeight*.56));confettiCanvas.addEventListener('pointerdown',event=>{const rect=confettiCanvas.getBoundingClientRect();burstConfetti(event.clientX-rect.left,event.clientY-rect.top);});document.querySelector('#confettiClear').addEventListener('click',()=>{confettiPieces=[];cancelAnimationFrame(confettiFrame);drawConfetti();announce('Confetti canvas cleared');});confettiAmount.addEventListener('input',()=>{document.querySelector('#confettiAmountValue').textContent=confettiAmount.value;});confettiGravity.addEventListener('input',()=>{document.querySelector('#confettiGravityValue').textContent=confettiGravity.value;announce('Confetti Gravity '+confettiGravity.value);});addEventListener('resize',sizeConfettiCanvas,{passive:true});sizeConfettiCanvas();
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"creative-effects-confetti-burst","selector":"[data-core-bridge=\"creative-effects-confetti-burst\"]","mode":"range","key":"ArrowRight"};const workflowBridgeCore=document.querySelector('#workflowCore');const workflowBridgeControl=workflowBridgeCore.querySelector(workflowBridgeSpec.selector);if(!workflowBridgeControl)throw new Error('Missing core bridge: '+workflowBridgeSpec.name);const workflowBridgeControlledId=workflowBridgeControl.getAttribute('aria-controls');const workflowBridgeControlled=workflowBridgeControlledId?document.getElementById(workflowBridgeControlledId):null;workflowBridgeCore.dataset.workflowBridge=workflowBridgeSpec.name;workflowBridgeCore.dataset.workflowVersion='0';function workflowBridgeSerialize(){const visualNode=workflowBridgeCore.firstElementChild||workflowBridgeCore;const visual=getComputedStyle(visualNode);const outputs=[...workflowBridgeCore.querySelectorAll('output,[role="status"],[aria-live],meter,progress')].map(node=>node.textContent.trim()+'|'+node.getAttribute('aria-valuenow')+'|'+node.getAttribute('value'));const canvas=[...workflowBridgeCore.querySelectorAll('canvas')].map(node=>{try{return node.toDataURL().slice(-160);}catch{return 'canvas-unavailable';}});return JSON.stringify({html:workflowBridgeCore.innerHTML,status:statusOutput.textContent,outputs,canvas,visual:[visual.display,visual.visibility,visual.opacity,visual.transform,visual.filter,visual.backgroundColor,visual.width,visual.height],scroll:workflowBridgeSpec.mode==='scroll'?workflowBridgeControl.scrollTop:null});}let workflowBridgeLastEffect=workflowBridgeSerialize();function workflowBridgeSummary(){const label=(workflowBridgeControl.getAttribute('aria-label')||workflowBridgeControl.textContent||workflowBridgeControl.value||workflowBridgeSpec.name).trim().replace(/\s+/g,' ').slice(0,72);return label+' · Core Version '+workflowBridgeCore.dataset.workflowVersion;}function workflowBridgeCommit(){const effect=workflowBridgeSerialize();if(effect===workflowBridgeLastEffect)return {changed:false,summary:workflowBridgeSummary()};workflowBridgeLastEffect=effect;workflowBridgeCore.dataset.workflowVersion=String(Number(workflowBridgeCore.dataset.workflowVersion||0)+1);return {changed:true,summary:workflowBridgeSummary()};}function workflowBridgeScheduleCommit(){queueMicrotask(workflowBridgeCommit);setTimeout(workflowBridgeCommit,0);}workflowBridgeControl.addEventListener("input",workflowBridgeScheduleCommit);workflowBridgeControl.addEventListener('change',workflowBridgeScheduleCommit);const workflowBridgeStateTargets=new Set(workflowBridgeCore.querySelectorAll('dialog'));if(workflowBridgeControlled&&workflowBridgeCore.contains(workflowBridgeControlled))workflowBridgeStateTargets.add(workflowBridgeControlled);workflowBridgeStateTargets.forEach(target=>['close','cancel','toggle'].forEach(eventName=>target.addEventListener(eventName,workflowBridgeScheduleCommit)));function workflowBridgeActivate(){workflowBridgeControl.focus();const step=Number(workflowBridgeControl.step)||1;const min=workflowBridgeControl.min===''?-Infinity:Number(workflowBridgeControl.min);const max=workflowBridgeControl.max===''?Infinity:Number(workflowBridgeControl.max);let next=Math.min(max,Math.max(min,(Number(workflowBridgeControl.value)||0)+step));if(next===Number(workflowBridgeControl.value))next=Math.max(min,Number(workflowBridgeControl.value)-step);workflowBridgeControl.value=String(next);workflowBridgeControl.dispatchEvent(new Event('input',{bubbles:true}));workflowBridgeControl.dispatchEvent(new Event('change',{bubbles:true}));const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
const workflowCompareCore=document.querySelector('#workflowCore');const workflowCompareWeight=document.querySelector('#workflowCompareWeight');const workflowCompareState={channel:'A',weight:50,frozen:false,snapshots:[]};function workflowCompareFingerprint(){const controls=[...workflowCompareCore.querySelectorAll('input,select,textarea')];const outputs=[...workflowCompareCore.querySelectorAll('output,[role="status"],strong')].map(node=>node.textContent.trim()).filter(Boolean);return {controlValues:controls.map(control=>control.type==='checkbox'||control.type==='radio'?control.checked:control.value),summary:outputs.slice(0,4).join(' / '),nodes:workflowCompareCore.querySelectorAll('*').length};}function workflowCompareDrive(){workflowCompareCore.dataset.compareChannel=workflowCompareState.channel;workflowCompareCore.style.setProperty('--compare-split',workflowCompareState.weight+'%');document.querySelector('#workflowCompareWeightValue').textContent=workflowCompareState.weight+' sec';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' Version · '+workflowCompareState.weight+' sec'+(workflowCompareState.frozen?' · Frozen':'');announce('Aurora comparison in progress '+workflowCompareState.channel+' Version');}function workflowCompareCapture(source){const bridge=workflowBridgeActivate();const snapshot={...workflowCompareFingerprint(),channel:workflowCompareState.channel,weight:workflowCompareState.weight,source,bridge:bridge.summary};workflowCompareState.snapshots.push(snapshot);const item=document.createElement('li');item.innerHTML='<b>'+snapshot.channel+'</b><span>'+(snapshot.summary||snapshot.bridge)+'</span><small>'+snapshot.weight+' seconds · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('sampled '+snapshot.channel+' Save exposure version · '+bridge.summary);}document.querySelectorAll('[name="workflowChannel"]').forEach(input=>input.addEventListener('change',()=>{workflowCompareState.channel=input.value;workflowCompareDrive();}));workflowCompareWeight.addEventListener('input',()=>{workflowCompareState.weight=Number(workflowCompareWeight.value);workflowCompareDrive();});document.querySelector('#workflowCompareFreeze').addEventListener('change',event=>{workflowCompareState.frozen=event.currentTarget.checked;workflowCompareDrive();});document.querySelector('#workflowCompareCapture').addEventListener('click',()=>workflowCompareCapture('Button Sampling'));workflowCompareCore.addEventListener('dblclick',()=>workflowCompareCapture('Main view double-click'));workflowCompareDrive();
workflowBridgeReset();
</script>
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