testing

_.md

[ Launch: testing ] 5792402 by agent00tai

config.json

{"description":"testing","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":true,"play":true,"loop":true,"restart":true,"autoinit":true,"pause":true,"loop_type":"period","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01}

inlet.js

var width = 960,
    height = 500,
    tau = 2 * Math.PI;

var arc = d3.svg.arc()
    .innerRadius(30)
    .outerRadius(50)
    .startAngle(0);

var svg = d3.select("svg").append("svg")
    .attr("width", width)
    .attr("height", height)
  .append("g")
    .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")")

// Add the background arc, from 0 to 100% (τ).
var background = svg.append("path")
    .datum({endAngle: tau})
    .style("fill", "#ddd")
    .attr("d", arc);

// Add the foreground arc in orange, currently showing 12.7%.
var foreground = svg.append("path")
    .datum({endAngle: 0.127 * tau})
    .style("fill", "blue")
    .attr("d", arc);

var label = svg.append("text")
    .text('13%');

setInterval(function() {
  var test = Math.random();

  foreground.transition()
      .duration(750)
      .call(arcTween, test * tau);

  //label.transition()
  //    .duration(750)
  //    .text(Math.round(test * 100) + '%');
  
}, 1500);

function arcTween(transition, newAngle) {


  transition.attrTween("d", function(d) {

    var interpolate = d3.interpolate(d.endAngle, newAngle);

    return function(t) {
      d.endAngle = interpolate(t);
      return arc(d);
    };
  });
}