Random Team Member Picker chooses one available person from an editable team list. Use it for suitable routine roles such as opening a discussion, sharing a short update, or starting a voluntary activity.
team member pickerstaff rotationmeeting selectorrandom colleague
Wheel of Names
Elimination: OFFAccumulation: OFFAuto-Spin: OFFFair Rotation: OFF
Add entries and spin the wheel.
(()=>{
const r=document.currentScript.closest(‘.wnx-spinner’);
if(!r||r.dataset.ready)return;
r.dataset.ready=’1′;
const $=s=>r.querySelector(s),$$=s=>[…r.querySelectorAll(s)];
const params=new URLSearchParams(location.search),cfg=document.querySelector(‘.wnx-config’);
const mode=cfg?.dataset.mode||r.dataset.mode||’standard’;
const title=cfg?.dataset.title||r.dataset.title||document.querySelector(‘.wn-page h1′)?.textContent||’Wheel of Names’;
const raw=params.get(‘wnitems’)||cfg?.dataset.items||r.dataset.items||’Alice~Bob~Charlie~David~Eve~Frank’;
const palettes=[
((cfg?.dataset.palette)||r.dataset.palette||”).split(‘,’).filter(Boolean),
[‘#6366f1′,’#8b5cf6′,’#ec4899′,’#f97316′,’#14b8a6′,’#3b82f6’],
[‘#ef476f’,’#f78c6b’,’#ffd166′,’#06d6a0′,’#118ab2′,’#7353ba’],
[‘#22c55e’,’#06b6d4′,’#3b82f6′,’#8b5cf6′,’#ec4899′,’#f59e0b’]
].filter(x=>x.length>2);
let colors=palettes[0];
let entries=raw.split(‘~’).map(v=>{try{return decodeURIComponent(v)}catch(e){return v}}).filter(Boolean).map(v=>{
const p=v.split(‘|’);
const weight=mode===’weighted’?Math.max(1,Number(p.pop())||1):1;
return{name:p.join(‘|’),weight,count:0,last:-999,image:”};
});
let angle=0,busy=false,history=[],undo=[],redo=[],spinNumber=0,lastReceipt=null,preSpin=[];
let backgroundImage=”,centerImage=”,backgroundOpacity=.45,centerRadius=76,pendingEntryImage=”,pendingEntryFilename=”;
const imageCache=new Map();
const canvas=$(‘.wnx-canvas’),ctx=canvas.getContext(‘2d’),spin=$(‘.wnx-spin’),result=$(‘.wnx-result’),list=$(‘.wnx-list’);
const elimination=$(‘.wnx-elimination’),accumulation=$(‘.wnx-accumulation’),auto=$(‘.wnx-auto’),winnerCount=$(‘.wnx-winner-count’),duration=$(‘.wnx-duration’);
const balance=$(‘.wnx-smart-balance’),cooldown=$(‘.wnx-smart-cooldown’);
$(‘.wnx-title’).textContent=title;
elimination.checked=mode===’norepeat’||params.get(‘wnremove’)===’1′;
winnerCount.value=mode===’multi’?Math.max(1,Number(cfg?.dataset.count||r.dataset.count)||3):1;
$(‘.wnx-multi-field’).classList.toggle(‘wnx-hidden’,mode!==’multi’);
const escapeHtml=s=>String(s).replace(/[&”‘]/g,m=>({‘&’:’&’,”:’>’,'”‘:’"’,”‘”:’'’}[m]));
const snapshot=()=>JSON.stringify(entries);
const save=()=>{undo.push(snapshot());if(undo.length>25)undo.shift();redo=[];};
const randomInt=n=>{if(n=limit);return a[0]%n;};
function getImage(src){
if(!src)return null;
if(imageCache.has(src))return imageCache.get(src);
const img=new Image();
img.onload=draw;
img.src=src;
imageCache.set(src,img);
return img;
}
function drawCover(img,x,y,w,h){
if(!img||!img.complete||!img.naturalWidth)return;
const scale=Math.max(w/img.naturalWidth,h/img.naturalHeight);
const dw=img.naturalWidth*scale,dh=img.naturalHeight*scale;
ctx.drawImage(img,x+(w-dw)/2,y+(h-dh)/2,dw,dh);
}
function readOptimizedImage(file,maxSize=1000){
return new Promise((resolve,reject)=>{
if(!file||!file.type.startsWith(‘image/’)){reject(new Error(‘Please choose an image file.’));return;}
const reader=new FileReader();
reader.onerror=()=>reject(new Error(‘The image could not be read.’));
reader.onload=()=>{
const img=new Image();
img.onerror=()=>reject(new Error(‘The image format is not supported.’));
img.onload=()=>{
const scale=Math.min(1,maxSize/Math.max(img.naturalWidth,img.naturalHeight));
const w=Math.max(1,Math.round(img.naturalWidth*scale)),h=Math.max(1,Math.round(img.naturalHeight*scale));
const temp=document.createElement(‘canvas’);temp.width=w;temp.height=h;
const t=temp.getContext(‘2d’);t.drawImage(img,0,0,w,h);
const type=file.type===’image/png’?’image/png’:’image/jpeg’;
resolve(temp.toDataURL(type,type===’image/jpeg’?.86:undefined));
};
img.src=String(reader.result||”);
};
reader.readAsDataURL(file);
});
}
const smartOn=()=>!elimination.checked&&(balance.checked||Number(cooldown.value)>0);
function eligibleEntries(){
let pool=[…entries];
if(!smartOn())return pool;
const cd=Number(cooldown.value);
if(cd>0){const cooled=pool.filter(e=>spinNumber-e.last>=cd);if(cooled.length)pool=cooled;}
if(balance.checked&&pool.length){const min=Math.min(…pool.map(e=>e.count));pool=pool.filter(e=>e.count===min);}
return pool.length?pool:[…entries];
}
function segments(){
const total=entries.reduce((s,e)=>s+e.weight,0)||1;
let used=0;
return entries.map(entry=>{const start=used/total*Math.PI*2;used+=entry.weight;return{entry,start,end:used/total*Math.PI*2};});
}
function draw(){
const size=900,center=450,radius=418,segs=segments(),allowed=new Set(eligibleEntries());
ctx.clearRect(0,0,size,size);
if(backgroundImage){
const img=getImage(backgroundImage);
ctx.save();ctx.beginPath();ctx.arc(center,center,radius,0,Math.PI*2);ctx.clip();ctx.globalAlpha=backgroundOpacity;drawCover(img,center-radius,center-radius,radius*2,radius*2);ctx.restore();
}
if(!segs.length){
ctx.beginPath();ctx.arc(center,center,radius,0,Math.PI*2);ctx.fillStyle=’#0b1628′;ctx.fill();ctx.strokeStyle=’rgba(129,140,248,.24)’;ctx.lineWidth=6;ctx.stroke();ctx.fillStyle=’#94a3b8′;ctx.font=’800 34px system-ui’;ctx.textAlign=’center’;ctx.fillText(‘Add entries’,center,center);return;
}
segs.forEach((seg,index)=>{
const dim=smartOn()&&!allowed.has(seg.entry);
const start=seg.start+angle,end=seg.end+angle;
ctx.save();
ctx.globalAlpha=dim?.2:1;
ctx.beginPath();ctx.moveTo(center,center);ctx.arc(center,center,radius,start,end);ctx.closePath();
if(seg.entry.image){
ctx.save();ctx.clip();drawCover(getImage(seg.entry.image),center-radius,center-radius,radius*2,radius*2);ctx.restore();
ctx.globalAlpha=dim?.12:.22;ctx.fillStyle=colors[index%colors.length];ctx.fill();ctx.globalAlpha=dim?.2:1;
}else{
ctx.fillStyle=colors[index%colors.length];
if(backgroundImage)ctx.globalAlpha=dim?.14:.72;
ctx.fill();ctx.globalAlpha=dim?.2:1;
}
ctx.strokeStyle=’rgba(255,255,255,.82)’;ctx.lineWidth=5;ctx.stroke();
const mid=(seg.start+seg.end)/2+angle;
ctx.translate(center,center);ctx.rotate(mid);ctx.textAlign=’right’;ctx.fillStyle=’#fff’;ctx.shadowColor=’rgba(0,0,0,.55)’;ctx.shadowBlur=8;
ctx.font=`850 ${Math.max(18,Math.min(33,350/entries.length+16))}px system-ui`;
const label=seg.entry.name.length>22?seg.entry.name.slice(0,20)+’…’:seg.entry.name;
ctx.fillText(label,radius-34,10);ctx.restore();
});
ctx.save();ctx.beginPath();ctx.arc(center,center,centerRadius,0,Math.PI*2);ctx.clip();
if(centerImage){drawCover(getImage(centerImage),center-centerRadius,center-centerRadius,centerRadius*2,centerRadius*2);}else{ctx.fillStyle=’#0b1628′;ctx.fillRect(center-centerRadius,center-centerRadius,centerRadius*2,centerRadius*2);}
ctx.restore();ctx.beginPath();ctx.arc(center,center,centerRadius,0,Math.PI*2);ctx.strokeStyle=’rgba(255,255,255,.24)’;ctx.lineWidth=10;ctx.stroke();
}
function updateBadges(){
[[ $(‘.wnx-badge-elimination’),elimination,’Elimination’],[$(‘.wnx-badge-accumulation’),accumulation,’Accumulation’],[$(‘.wnx-badge-auto’),auto,’Auto-Spin’],[$(‘.wnx-badge-smart’),{checked:smartOn()},’Fair Rotation’]].forEach(([el,input,label])=>{el.textContent=`${label}: ${input.checked?’ON’:’OFF’}`;el.classList.toggle(‘is-on’,input.checked);});
}
function balanceScore(){
if(!entries.length)return 100;
const total=entries.reduce((s,e)=>s+e.count,0),mean=total/entries.length;
if(!mean)return 100;
const deviation=entries.reduce((s,e)=>s+Math.abs(e.count-mean),0)/entries.length;
return Math.max(0,Math.round(100-deviation/mean*100));
}
function updateDashboard(){
$(‘.wnx-balance-score’).textContent=balanceScore()+’%’;$(‘.wnx-smart-spins’).textContent=String(spinNumber);
$(‘.wnx-smart-counts’).innerHTML=[…entries].sort((a,b)=>a.count-b.count||a.name.localeCompare(b.name)).map(e=>`
${escapeHtml(e.name)}${e.count}
`).join(”)||’
No entries yet.
‘;
const status=$(‘.wnx-smart-status’);
if(elimination.checked&&(balance.checked||Number(cooldown.value)>0))status.textContent=’Smart Fair Rotation is paused while Elimination mode is active.’;
else if(!smartOn())status.textContent=’Pure random mode is active.’;
else{const parts=[];if(balance.checked)parts.push(‘least-selected priority’);if(Number(cooldown.value)>0)parts.push(`${cooldown.value}-spin cooldown`);status.textContent=`Smart mode active: ${parts.join(‘ + ‘)}. Dimmed slices are temporarily ineligible.`;}
}
function render(){
list.innerHTML=entries.map((entry,index)=>`
Random Team Member Picker is a free browser-based team-member picker for low-risk tasks, speaking turns, demonstrations, and activity roles. Edit the sample entries, confirm the eligible list, choose the mode that matches the activity, and spin for a visible random result. Filter the list for availability, workload, skills, consent, and accessibility before spinning; use manager judgment for consequential assignments.
Use random selection only when everyone is suitable
🗣️
Discussion starter
Choose who gives the first brief view after everyone has preparation time.
📣
Routine update
Rotate a simple project update among people already involved in the work.
🎲
Voluntary activity
Select from colleagues who have agreed to take part in a low-stakes exercise.
Do not use a wheel for redundancy, promotion, discipline, performance ratings, confidential work, hazardous tasks, or assignments that require specific skills, authority, availability, or accommodations.
Check workload and availability first
Confirm the role
Describe what the selected person will do, how long it takes, and what support is available.
Prepare the eligible list
Remove anyone absent, overloaded, not trained, or not included in the agreed rotation.
Allow a reasonable pass
Make it easy to decline or swap without embarrassment when circumstances have changed.