Created
September 10, 2021 08:05
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Spin the wheel in Confluence
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<style type="text/css"> | |
text { | |
font-family: Helvetica, Arial, sans-serif; | |
font-size: 18px; | |
pointer-events: none; | |
} | |
#chart { | |
//position:absolute; | |
width: 500px; | |
height: 500px; | |
//padding: 100px; | |
margin-left: 300px; | |
} | |
#question { | |
position: absolute; | |
width: 400px; | |
height: 500px; | |
top: 0px; | |
left: 550px; | |
} | |
#question h1 { | |
font-size: 50px; | |
font-weight: bold; | |
font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; | |
//position: absolute; | |
padding: 0; | |
//margin-left: 405px; | |
margin-left: 310px; | |
padding-top: 800px; | |
width: inherit; | |
top: 100%; | |
-webkit-transform: translate(0, -50%); | |
transform: translate(0, -50%); | |
color: midnightblue; | |
} | |
</style> | |
<div id="chart"></div> | |
<div id="question"><h1></h1></div> | |
<script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
<script type="text/javascript"> | |
var padding = { top: 20, right: 40, bottom: 0, left: 0 }, | |
w = 500 - padding.left - padding.right, | |
h = 500 - padding.top - padding.bottom, | |
r = Math.min(w, h) / 2, | |
rotation = 0, | |
oldrotation = 0, | |
picked = 100000, | |
color = d3.scale.category20(), | |
randomNumber = Math.floor(Math.random() * 150) + 20, | |
i; | |
console.log( | |
'Running Math.random() ' + | |
randomNumber + | |
' times to make sure we get a "really" random number' | |
); | |
for (i = 0; i < randomNumber; i++) { | |
Math.random(); | |
} | |
var data = [ | |
{ label: 'Person 1', value: 2, question: 'Person 1' }, | |
{ label: 'Person 2', value: 2, question: 'Person 2' }, | |
]; | |
var svg = d3 | |
.select('#chart') | |
.append('svg') | |
.data([data]) | |
.attr('width', w + padding.left + padding.right) | |
.attr('height', h + padding.top + padding.bottom); | |
var container = svg | |
.append('g') | |
.attr('class', 'chartholder') | |
.attr( | |
'transform', | |
'translate(' + (w / 2 + padding.left) + ',' + (h / 2 + padding.top) + ')' | |
); | |
var vis = container.append('g'); | |
var pie = d3.layout | |
.pie() | |
.sort(null) | |
.value(function (d) { | |
return 1; | |
}); | |
// declare an arc generator function | |
var arc = d3.svg.arc().outerRadius(r); | |
// select paths, use arc generator to draw | |
var arcs = vis | |
.selectAll('g.slice') | |
.data(pie) | |
.enter() | |
.append('g') | |
.attr('class', 'slice'); | |
arcs | |
.append('path') | |
.attr('fill', function (d, i) { | |
return color(i); | |
}) | |
.attr('d', function (d) { | |
return arc(d); | |
}); | |
// add the text | |
arcs | |
.append('text') | |
.attr('transform', function (d) { | |
d.innerRadius = 0; | |
d.outerRadius = r; | |
d.angle = (d.startAngle + d.endAngle) / 2; | |
return ( | |
'rotate(' + | |
((d.angle * 180) / Math.PI - 90) + | |
')translate(' + | |
(d.outerRadius - 10) + | |
')' | |
); | |
}) | |
.attr('text-anchor', 'end') | |
.text(function (d, i) { | |
return data[i].label; | |
}); | |
container.on('click', spin); | |
function spin(d) { | |
var ps = 360 / data.length, | |
pieslice = Math.round(1440 / data.length), | |
rng = Math.floor(getRandomNumber() * 1440 + 360); | |
rotation = Math.round(rng / ps) * ps; | |
picked = Math.round(data.length - (rotation % 360) / ps); | |
picked = picked >= data.length ? picked % data.length : picked; | |
rotation += 90 - Math.round(ps / 2); | |
vis | |
.transition() | |
.duration(3000) | |
.attrTween('transform', rotTween) | |
.each('end', function () { | |
//mark question as seen | |
/* d3.select(".slice:nth-child(" + (picked + 1) + ") path") | |
.attr("fill", "#111");*/ | |
//populate question | |
d3.select('#question h1').text(data[picked].label); | |
oldrotation = rotation; | |
}); | |
} | |
//make arrow | |
svg | |
.append('g') | |
.attr( | |
'transform', | |
'translate(' + | |
(w + padding.left + padding.right) + | |
',' + | |
(h / 2 + padding.top) + | |
')' | |
) | |
.append('path') | |
.attr('d', 'M-' + r * 0.15 + ',0L0,' + r * 0.05 + 'L0,-' + r * 0.05 + 'Z') | |
.style({ fill: 'black' }); | |
//draw spin circle | |
container | |
.append('circle') | |
.attr('cx', 0) | |
.attr('cy', 0) | |
.attr('r', 10) | |
.style({ fill: 'white', cursor: 'pointer' }); | |
//spin text | |
/* container.append("text") | |
.attr("x", 0) | |
.attr("y", 15) | |
.attr("text-anchor", "middle") | |
.text("SPIN") | |
.style({"font-weight":"bold", "font-size":"30px"});*/ | |
function rotTween(to) { | |
var i = d3.interpolate(oldrotation % 360, rotation); | |
return function (t) { | |
return 'rotate(' + i(t) + ')'; | |
}; | |
} | |
function getRandomNumber() { | |
return Math.random(); | |
} | |
</script> |
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Add the HTML as the body of the page and update the
data
array with the names you want.