gabrielflorit · September 13, 2019 12:21
diff --git a/.gitignore b/.gitignore
 .DS_Store
diff --git a/README.md b/README.md
diff --git a/calculateMetrics.js b/calculateMetrics.js
 // We want:
 // DONE: position
 // DONE: status
 // DONE: GAP
 // DONE: INT
 // DONE: recent lap time
 // DONE: lap count
 //     : is better lap
 //     : is better GAP
 //     : is better INT

 const formatGap = x => (x / 1000).toFixed(1)

 const calculateMetrics = ({ car, raceElapsed, cars, index }) => {
  const { elapsed, isNewLap, laps, measures, number, gap, status, int } = car
  const leader = cars[0]

  // Set defaults.
  let previousLap = null
  let newElapsed = elapsed
  let newGap = gap
  let newStatus = status
  let newInt = int

  // If the leader started a new lap,
  // set this car's status to yellow.
  if (leader.isNewLap) {
    newStatus = 'yellow'
  }

  // If we started a new lap,
  if (isNewLap) {
    // do a number of things.

    // Set our status to white.
    newStatus = 'white'

    // Calculate the previous lap time.
    // To do this, do race elapsed - previous elapsed.
    previousLap = raceElapsed - elapsed

    // And set car's elapsed to race elapsed.
    newElapsed = raceElapsed

    // Every time you start a new lap,
    // calculate GAP and INT.
    // GAP = distance to the leader.
    // INT = distance to the previous car.
    // If we're the leader, ignore.
    if (number === leader.number) {
      newGap = 'LAP'
      newInt = '--'
    } else {
      // If we're not the leader,
      // calculate the lap count differences to leader and previous car.
      const leaderLapDelta =
        Math.floor(_.last(leader.measures).pct) -
        Math.floor(_.last(measures).pct)
      const previousCarLapDelta =
        Math.floor(_.last(cars[index - 1].measures).pct) -
        Math.floor(_.last(measures).pct)

      // If we're on the same lap as leader, show time gap.
      if (leaderLapDelta === 0) {
        newGap = formatGap(newElapsed - leader.elapsed)
      } else {
        // If we're NOT on the same lap, just show the lap count delta.
        newGap = `${leaderLapDelta}L`
      }

      // If we're on the same lap as previous, show time gap.
      if (previousCarLapDelta === 0) {
        newInt = formatGap(newElapsed - cars[index - 1].elapsed)
      } else {
        // If we're NOT on the same lap, just show the lap count delta.
        newInt = `${previousCarLapDelta}L`
      }
    }
  }

  return {
    ...car,
    elapsed: newElapsed,
    laps: [...laps, previousLap].filter(d => d),
    gap: newGap,
    isNewLap,
    status: newStatus,
    int: newInt,
    position: index + 1
  }
 }

 export default calculateMetrics
diff --git a/chart.js b/chart.js
 import constants from './constants.js'

 const setup = container => {
  const margins = { top: 45, right: 5, bottom: 20, left: 40 }
  const width = container.node().offsetWidth - margins.right - margins.left
  const height = width / 3.5

  const svg = container
    .append('svg')
    .attr('width', width + margins.right + margins.left)
    .attr('height', height + margins.top + margins.bottom)

  const g = svg
    .append('g')
    .attr('transform', `translate(${margins.left}, ${margins.top})`)

  const x = d3
    .scaleLinear()
    .range([0, width])
    .domain([0, 1])

  const y = d3
    .scaleLinear()
    .range([height, 0])
    .domain([0, constants.MAX])
    .nice()

  const line = d3
    .line()
    .curve(d3.curveBasis)
    .x(d => x(d.pct % 1))
    .y(d => y(d.speed))

  const xAxis = g
    .append('g')
    .attr('class', 'axis axis--x')
    .attr('transform', `translate(0, ${height})`)
    .call(
      d3
        .axisBottom(x)
        .tickSize(0)
        .ticks([])
    )

  xAxis
    .append('text')
    .text('Start')
    .attr('x', x(0))
    .attr('text-anchor', 'start')
    .attr('dy', 14)

  xAxis
    .append('text')
    .text('Finish')
    .attr('x', x(1))
    .attr('text-anchor', 'end')
    .attr('dy', 14)

  const yAxis = g
    .append('g')
    .attr('class', 'axis axis--y')
    .call(
      d3
        .axisLeft(y)
        .tickSize(0)
        .ticks(5)
    )

  yAxis
    .append('text')
    .text('(MPH)')
    .attr('dx', -3)
    .attr('dy', 6 - 18)
    .attr('text-anchor', 'end')

  yAxis
    .append('text')
    .text('Speed')
    .attr('dx', -3)
    .attr('dy', 6 - 18 - 18)
    .attr('text-anchor', 'end')

  return {
    g,
    x,
    y,
    line
  }
 }

 const clean = measures => {
  const lastTwo = measures.slice(-2).map(d => d.pct % 1)

  return lastTwo[1] < lastTwo[0]
    ? measures.slice(0, measures.length - 1)
    : measures
 }
 // _.last(measures).pct % 1 <
 // measures.length === 2 ? measures.slice(-1) : measures

 const getTransform = ({ d, x, y }) => {
  const last = _.last(d.measures)
  return `translate(${x(last.pct % 1)}, ${y(last.speed)})`
 }

 const update = ({ g, x, y, line, cars }) => {
  // join
  const paths = g.selectAll('path.car').data(cars, d => d.number)

  // update
  paths.attr('d', d => line(clean(d.measures)))

  // enter
  paths
    .enter()
    .append('path')
    .attr('class', 'car')
    .attr('d', d => line(clean(d.measures)))

  // remove
  paths.exit().remove()

  // join
  const gJoin = g.selectAll('g.car').data(cars, d => d.number)

  // update
  gJoin
    .attr('class', d => (d.position === 1 ? 'car leader' : 'car'))
    .attr('transform', d => getTransform({ d, x, y }))

  // enter
  const gEnter = gJoin
    .enter()
    .append('g')
    .attr('class', d => (d.position === 1 ? 'car leader' : 'car'))
    .attr('transform', d => getTransform({ d, x, y }))

  gEnter
    .append('circle')
    .attr('cx', 0)
    .attr('cy', 0)
    .attr('r', 9)

  gEnter
    .append('text')
    .text(d => d.number)
    .attr('dy', 4)

  // remove
  gJoin.exit().remove()
 }

 const chart = {
  setup,
  update
 }

 export default chart
diff --git a/circuitTracks.js b/circuitTracks.js
 var circuitTracks = 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diff --git a/constants.js b/constants.js
 const multiplier = 1

 const constants = {
  MIN: 60 * multiplier,
  AVERAGE: 140 * multiplier,
  MAX: 194 * multiplier
 }

 export default constants
diff --git a/d3.v4.min.js b/d3.v4.min.js
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3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:_u(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var i_=function t(n){function e(t){return new mu(t,n)}return e.tension=function(n){return t(+n)},e}(0);xu.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:_u(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var o_=function t(n){function e(t){return new xu(t,n)}return e.tension=function(n){return t(+n)},e}(0);wu.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:bu(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var u_=function t(n){function e(t){return n?new wu(t,n):new yu(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Mu.prototype={areaStart:n_,areaEnd:n_,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:bu(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var a_=function t(n){function e(t){return n?new Mu(t,n):new mu(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Tu.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:bu(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var c_=function t(n){function e(t){return n?new Tu(t,n):new xu(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Nu.prototype={areaStart:n_,areaEnd:n_,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};Cu.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:Au(this,this._t0,Eu(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,Au(this,Eu(this,e=Su(this,t,n)),e);break;default:Au(this,this._t0,e=Su(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(zu.prototype=Object.create(Cu.prototype)).point=function(t,n){Cu.prototype.point.call(this,n,t)},Pu.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},Ru.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=Lu(t),i=Lu(n),o=0,u=1;u<e;++o,++u)this._context.bezierCurveTo(r[0][o],i[0][o],r[1][o],i[1][o],t[u],n[u]);(this._line||0!==this._line&&1===e)&&this._context.closePath(),this._line=1-this._line,this._x=this._y=null},point:function(t,n){this._x.push(+t),this._y.push(+n)}};qu.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=this._y=NaN,this._point=0},lineEnd:function(){0<this._t&&this._t<1&&2===this._point&&this._context.lineTo(this._x,this._y),(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line>=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var e=this._x*(1-this._t)+t*this._t;this._context.lineTo(e,this._y),this._context.lineTo(e,n)}}this._x=t,this._y=n}};var s_=function(t,n){if((i=t.length)>1)for(var e,r,i,o=1,u=t[n[0]],a=u.length;o<i;++o)for(r=u,u=t[n[o]],e=0;e<a;++e)u[e][1]+=u[e][0]=isNaN(r[e][1])?r[e][0]:r[e][1]},f_=function(t){for(var n=t.length,e=new Array(n);--n>=0;)e[n]=n;return e},l_=function(t){var n=t.map(Uu);return f_(t).sort(function(t,e){return n[t]-n[e]})},h_=function(t){return function(){return t}};Iu.prototype={constructor:Iu,insert:function(t,n){var e,r,i;if(t){if(n.P=t,n.N=t.N,t.N&&(t.N.P=n),t.N=n,t.R){for(t=t.R;t.L;)t=t.L;t.L=n}else t.R=n;e=t}else 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diff --git a/dist.css b/dist.css
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diff --git a/dist.js b/dist.js
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};\n\nfunction _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }\n\n// We want:\n// DONE: position\n// DONE: status\n// DONE: GAP\n// DONE: INT\n// DONE: recent lap time\n// DONE: lap count\n//     : is better lap\n//     : is better GAP\n//     : is better INT\n\nvar formatGap = function formatGap(x) {\n  return (x / 1000).toFixed(1);\n};\n\nvar calculateMetrics = function calculateMetrics(_ref) {\n  var car = _ref.car,\n      raceElapsed = _ref.raceElapsed,\n      cars = _ref.cars,\n      index = _ref.index;\n  var elapsed = car.elapsed,\n      isNewLap = car.isNewLap,\n      laps = car.laps,\n      measures = car.measures,\n      number = car.number,\n      gap = car.gap,\n      status = car.status,\n      int = car.int;\n\n  var leader = cars[0];\n\n  // Set defaults.\n  var previousLap = null;\n  var newElapsed = elapsed;\n  var newGap = gap;\n  var newStatus = status;\n  var newInt = int;\n\n  // If the leader started a new lap,\n  // set this car's status to yellow.\n  if (leader.isNewLap) {\n    newStatus = 'yellow';\n  }\n\n  // If we started a new lap,\n  if (isNewLap) {\n    // do a number of things.\n\n    // Set our status to white.\n    newStatus = 'white';\n\n    // Calculate the previous lap time.\n    // To do this, do race elapsed - previous elapsed.\n    previousLap = raceElapsed - elapsed;\n\n    // And set car's elapsed to race elapsed.\n    newElapsed = raceElapsed;\n\n    // Every time you start a new lap,\n    // calculate GAP and INT.\n    // GAP = distance to the leader.\n    // INT = distance to the previous car.\n    // If we're the leader, ignore.\n    if (number === leader.number) {\n      newGap = 'LAP';\n      newInt = '--';\n    } else {\n      // If we're not the leader,\n      // calculate the lap count differences to leader and previous car.\n      var leaderLapDelta = Math.floor(_.last(leader.measures).pct) - Math.floor(_.last(measures).pct);\n      var previousCarLapDelta = Math.floor(_.last(cars[index - 1].measures).pct) - Math.floor(_.last(measures).pct);\n\n      // If we're on the same lap as leader, show time gap.\n      if (leaderLapDelta === 0) {\n        newGap = formatGap(newElapsed - leader.elapsed);\n      } else {\n        // If we're NOT on the same lap, just show the lap count delta.\n        newGap = leaderLapDelta + 'L';\n      }\n\n      // If we're on the same lap as previous, show time gap.\n      if (previousCarLapDelta === 0) {\n        newInt = formatGap(newElapsed - cars[index - 1].elapsed);\n      } else {\n        // If we're NOT on the same lap, just show the lap count delta.\n        newInt = previousCarLapDelta + 'L';\n      }\n    }\n  }\n\n  return _extends({}, car, {\n    elapsed: newElapsed,\n    laps: [].concat(_toConsumableArray(laps), [previousLap]).filter(function (d) {\n      return d;\n    }),\n    gap: newGap,\n    isNewLap: isNewLap,\n    status: newStatus,\n    int: newInt,\n    position: index + 1\n  });\n};\n\nexports.default = calculateMetrics;//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiMS5qcyIsInNvdXJjZXMiOlsid2VicGFjazovLy9jYWxjdWxhdGVNZXRyaWNzLmpzPzkyOGIiXSwic291cmNlc0NvbnRlbnQiOlsiLy8gV2Ugd2FudDpcbi8vIERPTkU6IHBvc2l0aW9uXG4vLyBET05FOiBzdGF0dXNcbi8vIERPTkU6IEdBUFxuLy8gRE9ORTogSU5UXG4vLyBET05FOiByZWNlbnQgbGFwIHRpbWVcbi8vIERPTkU6IGxhcCBjb3VudFxuLy8gICAgIDogaXMgYmV0dGVyIGxhcFxuLy8gICAgIDogaXMgYmV0dGVyIEdBUFxuLy8gICAgIDogaXMgYmV0dGVyIElOVFxuXG5jb25zdCBmb3JtYXRHYXAgPSB4ID0+ICh4IC8gMTAwMCkudG9GaXhlZCgxKVxuXG5jb25zdCBjYWxjdWxhdGVNZXRyaWNzID0gKHsgY2FyLCByYWNlRWxhcHNlZCwgY2FycywgaW5kZXggfSkgPT4ge1xuICBjb25zdCB7IGVsYXBzZWQsIGlzTmV3TGFwLCBsYXBzLCBtZWFzdXJlcywgbnVtYmVyLCBnYXAsIHN0YXR1cywgaW50IH0gPSBjYXJcbiAgY29uc3QgbGVhZGVyID0gY2Fyc1swXVxuXG4gIC8vIFNldCBkZWZhdWx0cy5cbiAgbGV0IHByZXZpb3VzTGFwID0gbnVsbFxuICBsZXQgbmV3RWxhcHNlZCA9IGVsYXBzZWRcbiAgbGV0IG5ld0dhcCA9IGdhcFxuICBsZXQgbmV3U3RhdHVzID0gc3RhdHVzXG4gIGxldCBuZXdJbnQgPSBpbnRcblxuICAvLyBJZiB0aGUgbGVhZGVyIHN0YXJ0ZWQgYSBuZXcgbGFwLFxuICAvLyBzZXQgdGhpcyBjYXIncyBzdGF0dXMgdG8geWVsbG93LlxuICBpZiAobGVhZGVyLmlzTmV3TGFwKSB7XG4gICAgbmV3U3RhdHVzID0gJ3llbGxvdydcbiAgfVxuXG4gIC8vIElmIHdlIHN0YXJ0ZWQgYSBuZXcgbGFwLFxuICBpZiAoaXNOZXdMYXApIHtcbiAgICAvLyBkbyBhIG51bWJlciBvZiB0aGluZ3MuXG5cbiAgICAvLyBTZXQgb3VyIHN0YXR1cyB0byB3aGl0ZS5cbiAgICBuZXdTdGF0dXMgPSAnd2hpdGUnXG5cbiAgICAvLyBDYWxjdWxhdGUgdGhlIHByZXZpb3VzIGxhcCB0aW1lLlxuICAgIC8vIFRvIGRvIHRoaXMsIGRvIHJhY2UgZWxhcHNlZCAtIHByZXZpb3VzIGVsYXBzZWQuXG4gICAgcHJldmlvdXNMYXAgPSByYWNlRWxhcHNlZCAtIGVsYXBzZWRcblxuICAgIC8vIEFuZCBzZXQgY2FyJ3MgZWxhcHNlZCB0byByYWNlIGVsYXBzZWQuXG4gICAgbmV3RWxhcHNlZCA9IHJhY2VFbGFwc2VkXG5cbiAgICAvLyBFdmVyeSB0aW1lIHlvdSBzdGFydCBhIG5ldyBsYXAsXG4gICAgLy8gY2FsY3VsYXRlIEdBUCBhbmQgSU5ULlxuICAgIC8vIEdBUCA9IGRpc3RhbmNlIHRvIHRoZSBsZWFkZXIuXG4gICAgLy8gSU5UID0gZGlzdGFuY2UgdG8gdGhlIHByZXZpb3VzIGNhci5cbiAgICAvLyBJZiB3ZSdyZSB0aGUgbGVhZGVyLCBpZ25vcmUuXG4gICAgaWYgKG51bWJlciA9PT0gbGVhZGVyLm51bWJlcikge1xuICAgICAgbmV3R2FwID0gJ0xBUCdcbiAgICAgIG5ld0ludCA9ICctLSdcbiAgICB9IGVsc2Uge1xuICAgICAgLy8gSWYgd2UncmUgbm90IHRoZSBsZWFkZXIsXG4gICAgICAvLyBjYWxjdWxhdGUgdGhlIGxhcCBjb3VudCBkaWZmZXJlbmNlcyB0byBsZWFkZXIgYW5kIHByZXZpb3VzIGNhci5cbiAgICAgIGNvbnN0IGxlYWRlckxhcERlbHRhID1cbiAgICAgICAgTWF0aC5mbG9vcihfLmxhc3QobGVhZGVyLm1lYXN1cmVzKS5wY3QpIC1cbiAgICAgICAgTWF0aC5mbG9vcihfLmxhc3QobWVhc3VyZXMpLnBjdClcbiAgICAgIGNvbnN0IHByZXZpb3VzQ2FyTGFwRGVsdGEgPVxuICAgICAgICBNYXRoLmZsb29yKF8ubGFzdChjYXJzW2luZGV4IC0gMV0ubWVhc3VyZXMpLnBjdCkgLVxuICAgICAgICBNYXRoLmZsb29yKF8ubGFzdChtZWFzdXJlcykucGN0KVxuXG4gICAgICAvLyBJZiB3ZSdyZSBvbiB0aGUgc2FtZSBsYXAgYXMgbGVhZGVyLCBzaG93IHRpbWUgZ2FwLlxuICAgICAgaWYgKGxlYWRlckxhcERlbHRhID09PSAwKSB7XG4gICAgICAgIG5ld0dhcCA9IGZvcm1hdEdhcChuZXdFbGFwc2VkIC0gbGVhZGVyLmVsYXBzZWQpXG4gICAgICB9IGVsc2Uge1xuICAgICAgICAvLyBJZiB3ZSdyZSBOT1Qgb24gdGhlIHNhbWUgbGFwLCBqdXN0IHNob3cgdGhlIGxhcCBjb3VudCBkZWx0YS5cbiAgICAgICAgbmV3R2FwID0gYCR7bGVhZGVyTGFwRGVsdGF9TGBcbiAgICAgIH1cblxuICAgICAgLy8gSWYgd2UncmUgb24gdGhlIHNhbWUgbGFwIGFzIHByZXZpb3VzLCBzaG93IHRpbWUgZ2FwLlxuICAgICAgaWYgKHByZXZpb3VzQ2FyTGFwRGVsdGEgPT09IDApIHtcbiAgICAgICAgbmV3SW50ID0gZm9ybWF0R2FwKG5ld0VsYXBzZWQgLSBjYXJzW2luZGV4IC0gMV0uZWxhcHNlZClcbiAgICAgIH0gZWxzZSB7XG4gICAgICAgIC8vIElmIHdlJ3JlIE5PVCBvbiB0aGUgc2FtZSBsYXAsIGp1c3Qgc2hvdyB0aGUgbGFwIGNvdW50IGRlbHRhLlxuICAgICAgICBuZXdJbnQgPSBgJHtwcmV2aW91c0NhckxhcERlbHRhfUxgXG4gICAgICB9XG4gICAgfVxuICB9XG5cbiAgcmV0dXJuIHtcbiAgICAuLi5jYXIsXG4gICAgZWxhcHNlZDogbmV3RWxhcHNlZCxcbiAgICBsYXBzOiBbLi4ubGFwcywgcHJldmlvdXNMYXBdLmZpbHRlcihkID0+IGQpLFxuICAgIGdhcDogbmV3R2FwLFxuICAgIGlzTmV3TGFwLFxuICAgIHN0YXR1czogbmV3U3RhdHVzLFxuICAgIGludDogbmV3SW50LFxuICAgIHBvc2l0aW9uOiBpbmRleCArIDFcbiAgfVxufVxuXG5leHBvcnQgZGVmYXVsdCBjYWxjdWxhdGVNZXRyaWNzXG5cblxuXG4vLyBXRUJQQUNLIEZPT1RFUiAvL1xuLy8gY2FsY3VsYXRlTWV0cmljcy5qcyJdLCJtYXBwaW5ncyI6Ijs7Ozs7Ozs7OztBQUFBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUFBO0FBQUE7QUFDQTtBQUNBO0FBQUE7QUFBQTtBQUFBO0FBQUE7QUFBQTtBQUFBO0FBQUE7QUFBQTtBQUFBO0FBQUE7QUFBQTtBQUFBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBR0E7QUFDQTtBQUdBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBRUE7QUFDQTtBQUFBO0FBQUE7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBUkE7QUFVQTtBQUNBO0FBQ0EiLCJzb3VyY2VSb290IjoiIn0=\n//# sourceURL=webpack-internal:///1\n")},function(module,exports,__webpack_require__){"use strict";eval("\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _constants = __webpack_require__(0);\n\nvar _constants2 = _interopRequireDefault(_constants);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nvar setup = function setup(container) {\n  var margins = { top: 45, right: 5, bottom: 20, left: 40 };\n  var width = container.node().offsetWidth - margins.right - margins.left;\n  var height = width / 3.5;\n\n  var svg = container.append('svg').attr('width', width + margins.right + margins.left).attr('height', height + margins.top + margins.bottom);\n\n  var g = svg.append('g').attr('transform', 'translate(' + margins.left + ', ' + margins.top + ')');\n\n  var x = d3.scaleLinear().range([0, width]).domain([0, 1]);\n\n  var y = d3.scaleLinear().range([height, 0]).domain([0, _constants2.default.MAX]).nice();\n\n  var line = d3.line().curve(d3.curveBasis).x(function (d) {\n    return x(d.pct % 1);\n  }).y(function (d) {\n    return y(d.speed);\n  });\n\n  var xAxis = g.append('g').attr('class', 'axis axis--x').attr('transform', 'translate(0, ' + height + ')').call(d3.axisBottom(x).tickSize(0).ticks([]));\n\n  xAxis.append('text').text('Start').attr('x', x(0)).attr('text-anchor', 'start').attr('dy', 14);\n\n  xAxis.append('text').text('Finish').attr('x', x(1)).attr('text-anchor', 'end').attr('dy', 14);\n\n  var yAxis = g.append('g').attr('class', 'axis axis--y').call(d3.axisLeft(y).tickSize(0).ticks(5));\n\n  yAxis.append('text').text('(MPH)').attr('dx', -3).attr('dy', 6 - 18).attr('text-anchor', 'end');\n\n  yAxis.append('text').text('Speed').attr('dx', -3).attr('dy', 6 - 18 - 18).attr('text-anchor', 'end');\n\n  return {\n    g: g,\n    x: x,\n    y: y,\n    line: line\n  };\n};\n\nvar clean = function clean(measures) {\n  var lastTwo = measures.slice(-2).map(function (d) {\n    return d.pct % 1;\n  });\n\n  return lastTwo[1] < lastTwo[0] ? measures.slice(0, measures.length - 1) : measures;\n};\n// _.last(measures).pct % 1 <\n// measures.length === 2 ? measures.slice(-1) : measures\n\nvar getTransform = function getTransform(_ref) {\n  var d = _ref.d,\n      x = _ref.x,\n      y = _ref.y;\n\n  var last = _.last(d.measures);\n  return 'translate(' + x(last.pct % 1) + ', ' + y(last.speed) + ')';\n};\n\nvar update = function update(_ref2) {\n  var g = _ref2.g,\n      x = _ref2.x,\n      y = _ref2.y,\n      line = _ref2.line,\n      cars = _ref2.cars;\n\n  // join\n  var paths = g.selectAll('path.car').data(cars, function (d) {\n    return d.number;\n  });\n\n  // update\n  paths.attr('d', function (d) {\n    return line(clean(d.measures));\n  });\n\n  // enter\n  paths.enter().append('path').attr('class', 'car').attr('d', function (d) {\n    return line(clean(d.measures));\n  });\n\n  // remove\n  paths.exit().remove();\n\n  // join\n  var gJoin = g.selectAll('g.car').data(cars, function (d) {\n    return d.number;\n  });\n\n  // update\n  gJoin.attr('class', function (d) {\n    return d.position === 1 ? 'car leader' : 'car';\n  }).attr('transform', function (d) {\n    return getTransform({ d: d, x: x, y: y });\n  });\n\n  // enter\n  var gEnter = gJoin.enter().append('g').attr('class', function (d) {\n    return d.position === 1 ? 'car leader' : 'car';\n  }).attr('transform', function (d) {\n    return getTransform({ d: d, x: x, y: y });\n  });\n\n  gEnter.append('circle').attr('cx', 0).attr('cy', 0).attr('r', 9);\n\n  gEnter.append('text').text(function (d) {\n    return d.number;\n  }).attr('dy', 4);\n\n  // remove\n  gJoin.exit().remove();\n};\n\nvar chart = {\n  setup: setup,\n  update: update\n};\n\nexports.default = chart;//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,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\n//# sourceURL=webpack-internal:///2\n")},function(module,exports,__webpack_require__){"use strict";eval("\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nvar formatTime = d3.timeFormat('%-M:%S.%L');\n\nvar rowCells = function rowCells(d) {\n  return [['', d.position], [d.position === 1 ? 'leader' : d.status, d.number], [d.position === 1 ? 'leader' : d.status, d.name], ['', d.gap || ''], ['', d.int || ''], ['', _.last(d.laps) ? formatTime(_.last(d.laps)) : ''], ['', Math.floor(_.last(d.measures).pct) || '']];\n};\n\nvar drawBoard = function drawBoard(_ref) {\n  var cars = _ref.cars,\n      setup = _ref.setup;\n\n  // console.log(JSON.stringify(cars, null, 2))\n\n  // Only draw the board when a car starts a new lap.\n  if (cars.filter(function (d) {\n    return d.isNewLap;\n  }).length || setup) {\n    var tbody = d3.select('table.board tbody');\n\n    // join\n    var trJoin = tbody.selectAll('tr').data(cars);\n\n    // update\n    trJoin.selectAll('td').data(rowCells).attr('class', function (d) {\n      return d[0];\n    });\n\n    // immediately display non-new laps\n    trJoin.transition().duration(0).filter(function (d) {\n      return !d.isNewLap;\n    }).selectAll('td').text(function (d) {\n      return d[1];\n    }).style('visibility', 'visible');\n\n    // stagger display new laps\n    trJoin.transition().duration(0).filter(function (d) {\n      return d.isNewLap;\n    }).selectAll('td').text(function (d) {\n      return d[1];\n    }).style('visibility', 'hidden').transition().delay(function (d, i) {\n      return 125 + i * 125;\n    }).style('visibility', 'visible');\n\n    // enter\n    var trEnter = trJoin.enter().append('tr');\n\n    trEnter.selectAll('td').data(rowCells).enter().append('td').attr('class', function (d) {\n      return d[0];\n    }).text(function (d) {\n      return d[1];\n    });\n  }\n};\n\nexports.default = drawBoard;//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,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\n//# sourceURL=webpack-internal:///3\n")},function(module,exports,__webpack_require__){"use strict";eval("\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };\n\nvar getTriangleTransform = function getTriangleTransform(d) {\n  return 'rotate(' + (-d.coords.angle + 90) + ' 0 0) scale(1 1.2)';\n};\n\nvar getGTransform = function getGTransform(d) {\n  return 'translate(' + d.coords + ')';\n};\n\nvar drawCars = function drawCars(_ref) {\n  var g = _ref.g,\n      cars = _ref.cars,\n      getCoords = _ref.getCoords;\n\n  var data = cars.map(function (car) {\n    return _extends({}, car, {\n      coords: getCoords(_.last(car.measures).pct)\n    });\n  });\n\n  // join\n  var gJoin = g.selectAll('g.car').data(data, function (d) {\n    return d.number;\n  });\n\n  // update\n  gJoin.attr('class', function (d) {\n    return d.position === 1 ? 'car leader' : 'car';\n  }).attr('transform', getGTransform).select('path').attr('transform', getTriangleTransform);\n\n  // enter\n  var gEnter = gJoin.enter().append('g').attr('class', function (d) {\n    return d.position === 1 ? 'car leader' : 'car';\n  }).attr('transform', getGTransform);\n\n  gEnter.append('path').attr('d', function (d) {\n    return d3.symbol().type(d3.symbolTriangle).size(400)();\n  }).attr('transform', getTriangleTransform);\n\n  gEnter.append('text').text(function (d) {\n    return d.number;\n  }).attr('dy', 5);\n\n  // remove\n  gJoin.exit().remove();\n};\n\nexports.default = drawCars;//# sourceURL=[module]\n//# 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x.range([0, width]);\n  y.range([0, height]);\n\n  var svg = container.append('svg').attr('width', width + 2 * margin).attr('height', height + 2 * margin);\n\n  var g = svg.append('g').attr('transform', 'translate(' + margin + ', ' + margin + ')');\n\n  var line = d3.line()\n  // .curve(d3.curveBasis)\n  .x(function (d) {\n    return x(d.x);\n  }).y(function (d) {\n    return y(d.y);\n  });\n\n  var path = g.append('path').attr('class', 'track').datum(track).attr('d', line).node();\n\n  var totalLength = path.getTotalLength();\n\n  var getCoords = function getCoords(pct) {\n    var length = totalLength * (pct % 1);\n    var delta = 1;\n    var offset = length + 1 > totalLength ? -delta : delta;\n    var axy = path.getPointAtLength(length);\n    var bxy = path.getPointAtLength(length + offset);\n    var a = [axy.x, axy.y];\n    var b = [bxy.x, bxy.y];\n\n    var angle = (0, _getAngle2.default)([a, b]);\n\n    var array = [].concat(a);\n    array.angle = angle;\n\n    return array;\n  };\n\n  var delta = 0.01;\n  var before = getCoords(1 - delta);\n  var zero = getCoords(0);\n  var after = getCoords(delta);\n\n  g.append('line').attr('class', 'finish-line').attr('x1', before[0]).attr('y1', before[1]).attr('x2', after[0]).attr('y2', after[1]).attr('transform', 'rotate(90, ' + zero + ')');\n\n  return { g: g, getCoords: getCoords };\n};\n\nexports.default = drawTrack;//# sourceURL=[module]\n//# 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{\n  var car = _ref.car,\n      delta = _ref.delta;\n  var measures = car.measures;\n\n  var random = 0.02;\n\n  var lastTwo = measures.slice(-2);\n\n  // Figure out if we started a new lap.\n  var isNewLap = Math.floor(lastTwo[0].pct) !== Math.floor(lastTwo[1].pct);\n\n  // Calculate new speed.\n  var newSpeed = _.clamp(lastTwo[1].speed * (0, _getRandomArbitrary2.default)(1 - random, 1 + random), _constants2.default.MIN, _constants2.default.MAX);\n\n  // Calculate new pct.\n  var newPct = lastTwo[1].pct + delta * lastTwo[1].speed / 3600000;\n\n  return _extends({}, car, {\n    isNewLap: isNewLap,\n    measures: [].concat(_toConsumableArray(measures), [{\n      pct: newPct,\n      speed: newSpeed\n    }]).slice(isNewLap ? -2 : 0)\n  });\n};\n\nexports.default = moveCar;//# sourceURL=[module]\n//# 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sourceURL=webpack-internal:///6\n')},function(module,exports,__webpack_require__){"use strict";eval('\n\nObject.defineProperty(exports, "__esModule", {\n  value: true\n});\n\nvar _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();\n\nvar getAngle = function getAngle(_ref) {\n  var _ref2 = _slicedToArray(_ref, 2),\n      a = _ref2[0],\n      b = _ref2[1];\n\n  var x = b[0] - a[0];\n  var y = -(b[1] - a[1]);\n  var angle = Math.atan2(y, x) * 180 / Math.PI;\n  return angle;\n};\n\nexports.default = getAngle;//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiNy5qcyIsInNvdXJjZXMiOlsid2VicGFjazovLy9nZXRBbmdsZS5qcz8yYTJkIl0sInNvdXJjZXNDb250ZW50IjpbImNvbnN0IGdldEFuZ2xlID0gKFthLCBiXSkgPT4ge1xuICBjb25zdCB4ID0gYlswXSAtIGFbMF1cbiAgY29uc3QgeSA9IC0oYlsxXSAtIGFbMV0pXG4gIGNvbnN0IGFuZ2xlID0gTWF0aC5hdGFuMih5LCB4KSAqIDE4MCAvIE1hdGguUElcbiAgcmV0dXJuIGFuZ2xlXG59XG5cbmV4cG9ydCBkZWZhdWx0IGdldEFuZ2xlXG5cblxuXG4vLyBXRUJQQUNLIEZPT1RFUiAvL1xuLy8gZ2V0QW5nbGUuanMiXSwibWFwcGluZ3MiOiI7Ozs7Ozs7O0FBQUE7QUFBQTtBQUFBO0FBQUE7QUFDQTtBQUFBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBIiwic291cmNlUm9vdCI6IiJ9\n//# sourceURL=webpack-internal:///7\n')},function(module,exports,__webpack_require__){"use strict";eval('\n\nObject.defineProperty(exports, "__esModule", {\n  value: true\n});\nvar getRandomArbitrary = function getRandomArbitrary(min, max) {\n  return Math.random() * (max - min) + min;\n};\n\nexports.default = getRandomArbitrary;//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiOC5qcyIsInNvdXJjZXMiOlsid2VicGFjazovLy9nZXRSYW5kb21BcmJpdHJhcnkuanM/OWY2MSJdLCJzb3VyY2VzQ29udGVudCI6WyJjb25zdCBnZXRSYW5kb21BcmJpdHJhcnkgPSAobWluLCBtYXgpID0+IE1hdGgucmFuZG9tKCkgKiAobWF4IC0gbWluKSArIG1pblxuXG5leHBvcnQgZGVmYXVsdCBnZXRSYW5kb21BcmJpdHJhcnlcblxuXG5cbi8vIFdFQlBBQ0sgRk9PVEVSIC8vXG4vLyBnZXRSYW5kb21BcmJpdHJhcnkuanMiXSwibWFwcGluZ3MiOiI7Ozs7O0FBQUE7QUFBQTtBQUFBO0FBQ0E7QUFDQSIsInNvdXJjZVJvb3QiOiIifQ==\n//# sourceURL=webpack-internal:///8\n')},function(module,exports,__webpack_require__){"use strict";eval("\n\nvar _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };\n\nvar _drawTrack2 = __webpack_require__(5);\n\nvar _drawTrack3 = _interopRequireDefault(_drawTrack2);\n\nvar _drawCars = __webpack_require__(4);\n\nvar _drawCars2 = _interopRequireDefault(_drawCars);\n\nvar _constants = __webpack_require__(0);\n\nvar _constants2 = _interopRequireDefault(_constants);\n\nvar _drawBoard = __webpack_require__(3);\n\nvar _drawBoard2 = _interopRequireDefault(_drawBoard);\n\nvar _chart = __webpack_require__(2);\n\nvar _chart2 = _interopRequireDefault(_chart);\n\nvar _moveCar = __webpack_require__(6);\n\nvar _moveCar2 = _interopRequireDefault(_moveCar);\n\nvar _calculateMetrics = __webpack_require__(1);\n\nvar _calculateMetrics2 = _interopRequireDefault(_calculateMetrics);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n// Draw the track.\nvar _drawTrack = (0, _drawTrack3.default)({\n  container: d3.select('.circuit'),\n  track: circuitTracks[0]\n}),\n    gCircuit = _drawTrack.g,\n    getCoords = _drawTrack.getCoords;\n\n// Setup the chart.\n\n\nvar chartBits = _chart2.default.setup(d3.select('.chart'));\n\n// Create the state.\nvar dx = 0.015;\nvar state = {\n  cars: _(drivers).sortBy('standing').slice(0, 10).map(function (d, i, array) {\n    return {\n      number: d.number,\n      name: d.name.split(' ')[1].slice(0, 3),\n      measures: [{\n        speed: _constants2.default.AVERAGE,\n        pct: 0\n      }, {\n        speed: _constants2.default.AVERAGE,\n        pct: dx * array.length - (i + 1) * dx\n      }],\n      elapsed: 0,\n      laps: [],\n      status: 'yellow',\n      position: i + 1\n    };\n  }).value()\n};\n\nvar draw = function draw(setup) {\n  // Draw the cars.\n  (0, _drawCars2.default)({ g: gCircuit, getCoords: getCoords, cars: state.cars });\n\n  // Draw the board.\n  (0, _drawBoard2.default)({ cars: state.cars, setup: setup });\n\n  // Update the chart.\n  _chart2.default.update(_extends({ cars: state.cars }, chartBits));\n};\n\ndraw(true);\n\nvar now = 0;\nvar timer = d3.interval(function (elapsed) {\n  var delta = elapsed - now;\n\n  // Move the cars (and also keep them sorted by position).\n  state = _extends({}, state, {\n    cars: _(state.cars).map(function (car) {\n      return (0, _moveCar2.default)({ car: car, delta: delta });\n    }).sortBy(function (d) {\n      return -_.last(d.measures).pct;\n    }).value()\n\n    // Calculate metrics.\n  });state = _extends({}, state, {\n    cars: state.cars.map(function (car, index, cars) {\n      return (0, _calculateMetrics2.default)({ car: car, raceElapsed: elapsed, index: index, cars: cars });\n    })\n\n    // Draw everything.\n  });draw();\n\n  now = elapsed;\n\n  // Stop when the leader gets to 10 laps.\n  if (_.last(state.cars[0].measures).pct >= 10) {\n    timer.stop();\n  }\n}, 0);\n\n// document.querySelector('button.slow').addEventListener('click', () => {\n//   state.cars[0].speed = state.cars[0].speed * 0.9\n// })\n\n// document.querySelector('button.fast').addEventListener('click', () => {\n//   state.cars[0].speed = state.cars[0].speed * 1.01\n// })\n\ndocument.querySelector('button.stop').addEventListener('click', function () {\n  timer.stop();\n});//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,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\n//# sourceURL=webpack-internal:///9\n")}]);
diff --git a/drawBoard.js b/drawBoard.js
 const formatTime = d3.timeFormat('%-M:%S.%L')

 const rowCells = d => [
  ['', d.position],
  [d.position === 1 ? 'leader' : d.status, d.number],
  [d.position === 1 ? 'leader' : d.status, d.name],
  ['', d.gap || ''],
  ['', d.int || ''],
  ['', _.last(d.laps) ? formatTime(_.last(d.laps)) : ''],
  ['', Math.floor(_.last(d.measures).pct) || '']
 ]

 const drawBoard = ({ cars, setup }) => {
  // console.log(JSON.stringify(cars, null, 2))

  // Only draw the board when a car starts a new lap.
  if (cars.filter(d => d.isNewLap).length || setup) {
    const tbody = d3.select('table.board tbody')

    // join
    const trJoin = tbody.selectAll('tr').data(cars)

    // update
    trJoin
      .selectAll('td')
      .data(rowCells)
      .attr('class', d => d[0])

    // immediately display non-new laps
    trJoin
      .transition()
      .duration(0)
      .filter(d => !d.isNewLap)
      .selectAll('td')
      .text(d => d[1])
      .style('visibility', 'visible')

    // stagger display new laps
    trJoin
      .transition()
      .duration(0)
      .filter(d => d.isNewLap)
      .selectAll('td')
      .text(d => d[1])
      .style('visibility', 'hidden')
      .transition()
      .delay((d, i) => 125 + i * 125)
      .style('visibility', 'visible')

    // enter
    const trEnter = trJoin.enter().append('tr')

    trEnter
      .selectAll('td')
      .data(rowCells)
      .enter()
      .append('td')
      .attr('class', d => d[0])
      .text(d => d[1])
  }
 }

 export default drawBoard
diff --git a/drawCars.js b/drawCars.js
 const getTriangleTransform = d =>
  `rotate(${-d.coords.angle + 90} 0 0) scale(1 1.2)`

 const getGTransform = d => `translate(${d.coords})`

 const drawCars = ({ g, cars, getCoords }) => {
  const data = cars.map(car => ({
    ...car,
    coords: getCoords(_.last(car.measures).pct)
  }))

  // join
  const gJoin = g.selectAll('g.car').data(data, d => d.number)

  // update
  gJoin
    .attr('class', d => (d.position === 1 ? 'car leader' : 'car'))
    .attr('transform', getGTransform)
    .select('path')
    .attr('transform', getTriangleTransform)

  // enter
  const gEnter = gJoin
    .enter()
    .append('g')
    .attr('class', d => (d.position === 1 ? 'car leader' : 'car'))
    .attr('transform', getGTransform)

  gEnter
    .append('path')
    .attr('d', d =>
      d3
        .symbol()
        .type(d3.symbolTriangle)
        .size(400)()
    )
    .attr('transform', getTriangleTransform)

  gEnter
    .append('text')
    .text(d => d.number)
    .attr('dy', 5)

  // remove
  gJoin.exit().remove()
 }

 export default drawCars
diff --git a/drawTrack.js b/drawTrack.js
 import getAngle from './getAngle.js'

 const drawTrack = ({ container, track }) => {
  const margin = 20
  const dimension = container.node().offsetWidth - margin * 2

  const xExtent = d3.extent(track, d => d.x)
  const x = d3.scaleLinear().domain(xExtent)

  const yExtent = d3.extent(track, d => d.y)
  const y = d3.scaleLinear().domain(yExtent)

  const aspect = (xExtent[1] - xExtent[0]) / (yExtent[1] - yExtent[0])

  const width = Math.min(dimension * aspect, dimension)
  const height = Math.min(dimension / aspect, dimension)

  x.range([0, width])
  y.range([0, height])

  const svg = container
    .append('svg')
    .attr('width', width + 2 * margin)
    .attr('height', height + 2 * margin)

  const g = svg.append('g').attr('transform', `translate(${margin}, ${margin})`)

  const line = d3
    .line()
    // .curve(d3.curveBasis)
    .x(d => x(d.x))
    .y(d => y(d.y))

  const path = g
    .append('path')
    .attr('class', 'track')
    .datum(track)
    .attr('d', line)
    .node()

  const totalLength = path.getTotalLength()

  const getCoords = pct => {
    const length = totalLength * (pct % 1)
    const delta = 1
    const offset = length + 1 > totalLength ? -delta : delta
    const axy = path.getPointAtLength(length)
    const bxy = path.getPointAtLength(length + offset)
    const a = [axy.x, axy.y]
    const b = [bxy.x, bxy.y]

    const angle = getAngle([a, b])

    const array = [...a]
    array.angle = angle

    return array
  }

  const delta = 0.01
  const before = getCoords(1 - delta)
  const zero = getCoords(0)
  const after = getCoords(delta)

  g
    .append('line')
    .attr('class', 'finish-line')
    .attr('x1', before[0])
    .attr('y1', before[1])
    .attr('x2', after[0])
    .attr('y2', after[1])
    .attr('transform', `rotate(90, ${zero})`)

  return { g, getCoords }
 }

 export default drawTrack
diff --git a/drivers.js b/drivers.js
 var drivers = [
  {
    entrant: 'Scuderia Ferrari',
    constructor: 'Ferrari',
    chassis: 'TBA',
    power: 'Ferrari',
    tyres: 'P',
    number: '5',
    standing: 2,
    name: 'Sebastian Vettel'
  },
  {
    entrant: 'Scuderia Ferrari',
    constructor: 'Ferrari',
    chassis: 'TBA',
    power: 'Ferrari',
    tyres: 'P',
    number: '7',
    standing: 4,
    name: 'Kimi Räikkönen'
  },
  {
    entrant: 'Sahara Force India F1 Team',
    constructor: 'Force India-Mercedes',
    chassis: 'TBA',
    power: 'Mercedes',
    tyres: 'P',
    number: '11',
    standing: 7,
    name: 'Sergio Pérez'
  },
  {
    entrant: 'Sahara Force India F1 Team',
    constructor: 'Force India-Mercedes',
    chassis: 'TBA',
    power: 'Mercedes',
    tyres: 'P',
    number: '31',
    standing: 8,
    name: 'Esteban Ocon'
  },
  {
    entrant: 'Haas F1 Team',
    constructor: 'Haas-Ferrari',
    chassis: 'TBA',
    power: 'Ferrari',
    tyres: 'P',
    number: '8',
    standing: 13,
    name: 'Romain Grosjean'
  },
  {
    entrant: 'Haas F1 Team',
    constructor: 'Haas-Ferrari',
    chassis: 'TBA',
    power: 'Ferrari',
    tyres: 'P',
    number: '20',
    standing: 14,
    name: 'Kevin Magnussen'
  },
  {
    entrant: 'McLaren F1 Team',
    constructor: 'McLaren-Renault',
    chassis: 'TBA',
    power: 'Renault',
    tyres: 'P',
    number: '2',
    standing: 16,
    name: 'Stoffel Vandoorne'
  },
  {
    entrant: 'McLaren F1 Team',
    constructor: 'McLaren-Renault',
    chassis: 'TBA',
    power: 'Renault',
    tyres: 'P',
    number: '14',
    standing: 15,
    name: 'Fernando Alonso'
  },
  {
    entrant: 'Mercedes AMG Petronas Motorsport',
    constructor: 'Mercedes',
    chassis: 'TBA',
    power: 'Mercedes',
    tyres: 'P',
    number: '44',
    standing: 1,
    name: 'Lewis Hamilton'
  },
  {
    entrant: 'Mercedes AMG Petronas Motorsport',
    constructor: 'Mercedes',
    chassis: 'TBA',
    power: 'Mercedes',
    tyres: 'P',
    number: '77',
    standing: 3,
    name: 'Valtteri Bottas'
  },
  {
    entrant: 'Aston Martin Red Bull Racing',
    constructor: 'Red Bull Racing-TAG Heuer',
    chassis: 'RB14',
    power: 'TAG Heuer',
    tyres: 'P',
    number: '3',
    standing: 5,
    name: 'Daniel Ricciardo'
  },
  {
    entrant: 'Aston Martin Red Bull Racing',
    constructor: 'Red Bull Racing-TAG Heuer',
    chassis: 'RB14',
    power: 'TAG Heuer',
    tyres: 'P',
    number: '33',
    standing: 6,
    name: 'Max Verstappen'
  },
  {
    entrant: 'Renault Sport Formula One Team',
    constructor: 'Renault',
    chassis: 'TBA',
    power: 'Renault',
    tyres: 'P',
    number: '27',
    standing: 10,
    name: 'Nico Hülkenberg'
  },
  {
    entrant: 'Renault Sport Formula One Team',
    constructor: 'Renault',
    chassis: 'TBA',
    power: 'Renault',
    tyres: 'P',
    number: '55',
    standing: 9,
    name: 'Carlos Sainz Jr.'
  },
  {
    entrant: 'Alfa Romeo Sauber F1 Team',
    constructor: 'Sauber-Ferrari',
    chassis: 'TBA',
    power: 'Ferrari',
    tyres: 'P',
    number: '9',
    standing: 20,
    name: 'Marcus Ericsson'
  },
  {
    entrant: 'Alfa Romeo Sauber F1 Team',
    constructor: 'Sauber-Ferrari',
    chassis: 'TBA',
    power: 'Ferrari',
    tyres: 'P',
    number: '16',
    standing: 26,
    name: 'Charles Leclerc'
  },
  {
    entrant: 'Red Bull Toro Rosso Honda',
    constructor: 'Scuderia Toro Rosso-Honda',
    chassis: 'TBA',
    power: 'Honda',
    tyres: 'P',
    number: '10',
    standing: 21,
    name: 'Pierre Gasly'
  },
  {
    entrant: 'Red Bull Toro Rosso Honda',
    constructor: 'Scuderia Toro Rosso-Honda',
    chassis: 'TBA',
    power: 'Honda',
    tyres: 'P',
    number: '28',
    standing: 23,
    name: 'Brendon Hartley'
  },
  {
    entrant: 'Williams Martini Racing',
    constructor: 'Williams-Mercedes',
    chassis: 'TBA',
    power: 'Mercedes',
    tyres: 'P',
    number: '18',
    standing: 12,
    name: 'Lance Stroll'
  }
 ]
diff --git a/getAngle.js b/getAngle.js
 const getAngle = ([a, b]) => {
  const x = b[0] - a[0]
  const y = -(b[1] - a[1])
  const angle = Math.atan2(y, x) * 180 / Math.PI
  return angle
 }

 export default getAngle
diff --git a/getRandomArbitrary.js b/getRandomArbitrary.js
 const getRandomArbitrary = (min, max) => Math.random() * (max - min) + min

 export default getRandomArbitrary
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <title>blockup</title>
 <link href='https://fonts.googleapis.com/css?family=VT323' rel='stylesheet'>
 <link href='dist.css' rel='stylesheet' />
 <body>
  <h1>speedy racer</h1>
  <div class='circuit'></div>
  <table class='board'>
    <thead>
      <tr>
        <td></td>
        <td></td>
        <td></td>
        <td class='cyan'>GAP</td>
        <td class='cyan'>INT</td>
        <td></td>
        <td></td>
      </tr>
    </thead>
    <tbody>
    </tbody>
  </table>
  <div class='chart'></div>
  <button class='slow'>slow</button>
  <button class='fast'>fast</button>
  <button class='stop'>stop</button>
  <script src='lodash.min.js'></script>
 	<script src='d3.v4.min.js'></script>
  <script src='drivers.js'></script>
  <script src='circuitTracks.js'></script>
 	<script src='dist.js'></script>
 </body>
diff --git a/lodash.min.js b/lodash.min.js
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 var n=this.__index__>=this.__values__.length;return{done:n,value:n?F:this.__values__[this.__index__++]}},On.prototype.plant=function(n){for(var t,r=this;r instanceof Sn;){var e=Pe(r);e.__index__=0,e.__values__=F,t?u.__wrapped__=e:t=e;var u=e,r=r.__wrapped__}return u.__wrapped__=n,t},On.prototype.reverse=function(){var n=this.__wrapped__;return n instanceof Mn?(this.__actions__.length&&(n=new Mn(this)),n=n.reverse(),n.__actions__.push({func:nu,args:[Je],thisArg:F}),new zn(n,this.__chain__)):this.thru(Je);
 },On.prototype.toJSON=On.prototype.valueOf=On.prototype.value=function(){return kr(this.__wrapped__,this.__actions__)},On.prototype.first=On.prototype.head,Ai&&(On.prototype[Ai]=tu),On}();typeof define=="function"&&typeof define.amd=="object"&&define.amd?(Zn._=it, define(function(){return it})):Vn?((Vn.exports=it)._=it,qn._=it):Zn._=it}).call(this);
diff --git a/moveCar.js b/moveCar.js
 import constants from './constants.js'
 import getRandomArbitrary from './getRandomArbitrary.js'

 const moveCar = ({ car, delta }) => {
  const { measures } = car
  const random = 0.02

  const lastTwo = measures.slice(-2)

  // Figure out if we started a new lap.
  const isNewLap = Math.floor(lastTwo[0].pct) !== Math.floor(lastTwo[1].pct)

  // Calculate new speed.
  const newSpeed = _.clamp(
    lastTwo[1].speed * getRandomArbitrary(1 - random, 1 + random),
    constants.MIN,
    constants.MAX
  )

  // Calculate new pct.
  const newPct = lastTwo[1].pct + delta * lastTwo[1].speed / 3600000

  return {
    ...car,
    isNewLap,
    measures: [
      ...measures,
      {
        pct: newPct,
        speed: newSpeed
      }
    ].slice(isNewLap ? -2 : 0)
  }
 }

 export default moveCar
diff --git a/package.json b/package.json
 {
  "standard": {
    "globals": [
      "drivers",
      "circuitTracks",
      "d3",
      "_"
    ]
  }
 }
diff --git a/preview.png b/preview.png
diff --git a/script.js b/script.js
 import drawTrack from './drawTrack.js'
 import drawCars from './drawCars.js'
 import constants from './constants.js'
 import drawBoard from './drawBoard.js'
 import chart from './chart.js'
 import moveCar from './moveCar.js'
 import calculateMetrics from './calculateMetrics.js'

 // Draw the track.
 const { g: gCircuit, getCoords } = drawTrack({
  container: d3.select('.circuit'),
  track: circuitTracks[0]
 })

 // Setup the chart.
 const chartBits = chart.setup(d3.select('.chart'))

 // Create the state.
 const dx = 0.015
 let state = {
  cars: _(drivers)
    .sortBy('standing')
    .slice(0, 10)
    .map((d, i, array) => ({
      number: d.number,
      name: d.name.split(' ')[1].slice(0, 3),
      measures: [
        {
          speed: constants.AVERAGE,
          pct: 0
        },
        {
          speed: constants.AVERAGE,
          pct: dx * array.length - (i + 1) * dx
        }
      ],
      elapsed: 0,
      laps: [],
      status: 'yellow',
      position: i + 1
    }))
    .value()
 }

 const draw = setup => {
  // Draw the cars.
  drawCars({ g: gCircuit, getCoords, cars: state.cars })

  // Draw the board.
  drawBoard({ cars: state.cars, setup })

  // Update the chart.
  chart.update({ cars: state.cars, ...chartBits })
 }

 draw(true)

 let now = 0
 const timer = d3.interval(elapsed => {
  const delta = elapsed - now

  // Move the cars (and also keep them sorted by position).
  state = {
    ...state,
    cars: _(state.cars)
      .map(car => moveCar({ car, delta }))
      .sortBy(d => -_.last(d.measures).pct)
      .value()
  }

  // Calculate metrics.
  state = {
    ...state,
    cars: state.cars.map((car, index, cars) =>
      calculateMetrics({ car, raceElapsed: elapsed, index, cars })
    )
  }

  // Draw everything.
  draw()

  now = elapsed

  // Stop when the leader gets to 10 laps.
  if (_.last(state.cars[0].measures).pct >= 10) {
    timer.stop()
  }
 }, 0)

 // document.querySelector('button.slow').addEventListener('click', () => {
 //   state.cars[0].speed = state.cars[0].speed * 0.9
 // })

 // document.querySelector('button.fast').addEventListener('click', () => {
 //   state.cars[0].speed = state.cars[0].speed * 1.01
 // })

 document.querySelector('button.stop').addEventListener('click', () => {
  timer.stop()
 })
diff --git a/style.styl b/style.styl
 $black = #010b14
 $white = #dacbed
 $blue = #0fd0fe
 $yellow = #f6df83
 $lightblue = darken($blue, 35%)
 $red = lighten(#f11c07, 33%)

 $text-blur-radius = 14px
 $text-blur-opacity = 0.75
 $svg-blur-opacity = 0.35
 $font-family = 'VT323', monospace

 *
  box-sizing border-box
  
 html
  background alpha($black, 0.5)
  padding 0
  margin 0
  
 body
  background $black
  font-family $font-family
  overflow hidden
  margin 0 auto
  padding 0
  position relative
  width 960px
  height 500px
  // border solid $white 1px

 svg
  display block
  
 h1
  // visibility hidden
  color $white
  text-shadow 0 0 $text-blur-radius alpha($white, $text-blur-opacity)
  text-transform uppercase
  font-weight normal
  font-style italic
  position absolute
  width 100%
  text-align center
  padding 0
  margin 0
  font-size 2.5em

 .chart
  width 50%
  position absolute
  bottom 1em
  right 0.75em
  
  svg
    shape-rendering crispEdges
    filter drop-shadow(0 0 $text-blur-radius alpha($blue, $svg-blur-opacity))
    
    path.car
      fill none
      stroke $blue

    g.car
      
      &.leader
        circle
          stroke $red
        text
          fill $red
      
      circle
        fill none
        fill $black
        stroke $white

      text
        font-size 0.9em
        text-anchor middle
        fill $white
      
    .axis
      path
        stroke $lightblue
        stroke-dasharray 1 10
      text
        font-size 1.75em
        font-family $font-family
        fill $lightblue

 .circuit
  width 50%
  position relative
  margin 0
  padding 0.5em 0 0 0

  svg
    margin 0 auto
    shape-rendering crispEdges
    filter drop-shadow(0 0 $text-blur-radius alpha($blue, $svg-blur-opacity))
    
    path.track
      fill none
      stroke $blue
            
    .finish-line
      stroke $blue
      stroke-width 2px
      
    g.car
      &.leader
        path
          stroke $red
        text
          fill $red
      
      path
        fill $black
        stroke $white
          
      text
        font-size 1.125em
        text-anchor middle
        fill $white
        
 button
  display none

 table
  // visibility hidden
  position absolute
  table-layout fixed
  font-size 1.125em
  top 1.5em
  right 1em
  z-index 1
  color $blue
  text-align right
  padding 0.5em
  td, th
    padding 0 0.75em
  th
    font-weight normal
  td
    color $yellow
    text-shadow 0 0 $text-blur-radius alpha($yellow, $text-blur-opacity)
  .leader
    color $red
    text-shadow 0 0 $text-blur-radius alpha($red, $text-blur-opacity)
  .cyan
    color $lightblue
    text-shadow 0 0 $text-blur-radius alpha($lightblue, $text-blur-opacity)
  .white
    color $white
    text-shadow 0 0 $text-blur-radius alpha($white, $text-blur-opacity)
  tbody
    tr
      td:nth-child(1)
        color $lightblue
        text-shadow 0 0 $text-blur-radius alpha($lightblue, $text-blur-opacity)
        width 2.5em
      td:nth-child(2)
        width 2.5em
      td:nth-child(3)
        text-align left
        text-transform uppercase
        width 3.5em
      td:nth-child(4)
        width 4em
      td:nth-child(5)
        width 4em
      td:nth-child(6)
        width 6em
      td:nth-child(7)
        width 2.5em
diff --git a/thumbnail.png b/thumbnail.png
	// We want:
	// DONE: position
	// DONE: status
	// DONE: GAP
	// DONE: INT
	// DONE: recent lap time
	// DONE: lap count
	// : is better lap
	// : is better GAP
	// : is better INT

	const formatGap = x => (x / 1000).toFixed(1)

	const calculateMetrics = ({ car, raceElapsed, cars, index }) => {
	const { elapsed, isNewLap, laps, measures, number, gap, status, int } = car
	const leader = cars[0]

	// Set defaults.
	let previousLap = null
	let newElapsed = elapsed
	let newGap = gap
	let newStatus = status
	let newInt = int

	// If the leader started a new lap,
	// set this car's status to yellow.
	if (leader.isNewLap) {
	newStatus = 'yellow'
	}

	// If we started a new lap,
	if (isNewLap) {
	// do a number of things.

	// Set our status to white.
	newStatus = 'white'

	// Calculate the previous lap time.
	// To do this, do race elapsed - previous elapsed.
	previousLap = raceElapsed - elapsed

	// And set car's elapsed to race elapsed.
	newElapsed = raceElapsed

	// Every time you start a new lap,
	// calculate GAP and INT.
	// GAP = distance to the leader.
	// INT = distance to the previous car.
	// If we're the leader, ignore.
	if (number === leader.number) {
	newGap = 'LAP'
	newInt = '--'
	} else {
	// If we're not the leader,
	// calculate the lap count differences to leader and previous car.
	const leaderLapDelta =
	Math.floor(_.last(leader.measures).pct) -
	Math.floor(_.last(measures).pct)
	const previousCarLapDelta =
	Math.floor(_.last(cars[index - 1].measures).pct) -
	Math.floor(_.last(measures).pct)

	// If we're on the same lap as leader, show time gap.
	if (leaderLapDelta === 0) {
	newGap = formatGap(newElapsed - leader.elapsed)
	} else {
	// If we're NOT on the same lap, just show the lap count delta.
	newGap = `${leaderLapDelta}L`
	}

	// If we're on the same lap as previous, show time gap.
	if (previousCarLapDelta === 0) {
	newInt = formatGap(newElapsed - cars[index - 1].elapsed)
	} else {
	// If we're NOT on the same lap, just show the lap count delta.
	newInt = `${previousCarLapDelta}L`
	}
	}
	}

	return {
	...car,
	elapsed: newElapsed,
	laps: [...laps, previousLap].filter(d => d),
	gap: newGap,
	isNewLap,
	status: newStatus,
	int: newInt,
	position: index + 1
	}
	}

	export default calculateMetrics
	import constants from './constants.js'

	const setup = container => {
	const margins = { top: 45, right: 5, bottom: 20, left: 40 }
	const width = container.node().offsetWidth - margins.right - margins.left
	const height = width / 3.5

	const svg = container
	.append('svg')
	.attr('width', width + margins.right + margins.left)
	.attr('height', height + margins.top + margins.bottom)

	const g = svg
	.append('g')
	.attr('transform', `translate(${margins.left}, ${margins.top})`)

	const x = d3
	.scaleLinear()
	.range([0, width])
	.domain([0, 1])

	const y = d3
	.scaleLinear()
	.range([height, 0])
	.domain([0, constants.MAX])
	.nice()

	const line = d3
	.line()
	.curve(d3.curveBasis)
	.x(d => x(d.pct % 1))
	.y(d => y(d.speed))

	const xAxis = g
	.append('g')
	.attr('class', 'axis axis--x')
	.attr('transform', `translate(0, ${height})`)
	.call(
	d3
	.axisBottom(x)
	.tickSize(0)
	.ticks([])
	)

	xAxis
	.append('text')
	.text('Start')
	.attr('x', x(0))
	.attr('text-anchor', 'start')
	.attr('dy', 14)

	xAxis
	.append('text')
	.text('Finish')
	.attr('x', x(1))
	.attr('text-anchor', 'end')
	.attr('dy', 14)

	const yAxis = g
	.append('g')
	.attr('class', 'axis axis--y')
	.call(
	d3
	.axisLeft(y)
	.tickSize(0)
	.ticks(5)
	)

	yAxis
	.append('text')
	.text('(MPH)')
	.attr('dx', -3)
	.attr('dy', 6 - 18)
	.attr('text-anchor', 'end')

	yAxis
	.append('text')
	.text('Speed')
	.attr('dx', -3)
	.attr('dy', 6 - 18 - 18)
	.attr('text-anchor', 'end')

	return {
	g,
	x,
	y,
	line
	}
	}

	const clean = measures => {
	const lastTwo = measures.slice(-2).map(d => d.pct % 1)

	return lastTwo[1] < lastTwo[0]
	? measures.slice(0, measures.length - 1)
	: measures
	}
	// _.last(measures).pct % 1 <
	// measures.length === 2 ? measures.slice(-1) : measures

	const getTransform = ({ d, x, y }) => {
	const last = _.last(d.measures)
	return `translate(${x(last.pct % 1)}, ${y(last.speed)})`
	}

	const update = ({ g, x, y, line, cars }) => {
	// join
	const paths = g.selectAll('path.car').data(cars, d => d.number)

	// update
	paths.attr('d', d => line(clean(d.measures)))

	// enter
	paths
	.enter()
	.append('path')
	.attr('class', 'car')
	.attr('d', d => line(clean(d.measures)))

	// remove
	paths.exit().remove()

	// join
	const gJoin = g.selectAll('g.car').data(cars, d => d.number)

	// update
	gJoin
	.attr('class', d => (d.position === 1 ? 'car leader' : 'car'))
	.attr('transform', d => getTransform({ d, x, y }))

	// enter
	const gEnter = gJoin
	.enter()
	.append('g')
	.attr('class', d => (d.position === 1 ? 'car leader' : 'car'))
	.attr('transform', d => getTransform({ d, x, y }))

	gEnter
	.append('circle')
	.attr('cx', 0)
	.attr('cy', 0)
	.attr('r', 9)

	gEnter
	.append('text')
	.text(d => d.number)
	.attr('dy', 4)

	// remove
	gJoin.exit().remove()
	}

	const chart = {
	setup,
	update
	}

	export default chart
	const multiplier = 1

	const constants = {
	MIN: 60 * multiplier,
	AVERAGE: 140 * multiplier,
	MAX: 194 * multiplier
	}

	export default constants
	const formatTime = d3.timeFormat('%-M:%S.%L')

	const rowCells = d => [
	['', d.position],
	[d.position === 1 ? 'leader' : d.status, d.number],
	[d.position === 1 ? 'leader' : d.status, d.name],
	['', d.gap \|\| ''],
	['', d.int \|\| ''],
	['', _.last(d.laps) ? formatTime(_.last(d.laps)) : ''],
	['', Math.floor(_.last(d.measures).pct) \|\| '']
	]

	const drawBoard = ({ cars, setup }) => {
	// console.log(JSON.stringify(cars, null, 2))

	// Only draw the board when a car starts a new lap.
	if (cars.filter(d => d.isNewLap).length \|\| setup) {
	const tbody = d3.select('table.board tbody')

	// join
	const trJoin = tbody.selectAll('tr').data(cars)

	// update
	trJoin
	.selectAll('td')
	.data(rowCells)
	.attr('class', d => d[0])

	// immediately display non-new laps
	trJoin
	.transition()
	.duration(0)
	.filter(d => !d.isNewLap)
	.selectAll('td')
	.text(d => d[1])
	.style('visibility', 'visible')

	// stagger display new laps
	trJoin
	.transition()
	.duration(0)
	.filter(d => d.isNewLap)
	.selectAll('td')
	.text(d => d[1])
	.style('visibility', 'hidden')
	.transition()
	.delay((d, i) => 125 + i * 125)
	.style('visibility', 'visible')

	// enter
	const trEnter = trJoin.enter().append('tr')

	trEnter
	.selectAll('td')
	.data(rowCells)
	.enter()
	.append('td')
	.attr('class', d => d[0])
	.text(d => d[1])
	}
	}

	export default drawBoard
	const getTriangleTransform = d =>
	`rotate(${-d.coords.angle + 90} 0 0) scale(1 1.2)`

	const getGTransform = d => `translate(${d.coords})`

	const drawCars = ({ g, cars, getCoords }) => {
	const data = cars.map(car => ({
	...car,
	coords: getCoords(_.last(car.measures).pct)
	}))

	// join
	const gJoin = g.selectAll('g.car').data(data, d => d.number)

	// update
	gJoin
	.attr('class', d => (d.position === 1 ? 'car leader' : 'car'))
	.attr('transform', getGTransform)
	.select('path')
	.attr('transform', getTriangleTransform)

	// enter
	const gEnter = gJoin
	.enter()
	.append('g')
	.attr('class', d => (d.position === 1 ? 'car leader' : 'car'))
	.attr('transform', getGTransform)

	gEnter
	.append('path')
	.attr('d', d =>
	d3
	.symbol()
	.type(d3.symbolTriangle)
	.size(400)()
	)
	.attr('transform', getTriangleTransform)

	gEnter
	.append('text')
	.text(d => d.number)
	.attr('dy', 5)

	// remove
	gJoin.exit().remove()
	}

	export default drawCars
	import getAngle from './getAngle.js'

	const drawTrack = ({ container, track }) => {
	const margin = 20
	const dimension = container.node().offsetWidth - margin * 2

	const xExtent = d3.extent(track, d => d.x)
	const x = d3.scaleLinear().domain(xExtent)

	const yExtent = d3.extent(track, d => d.y)
	const y = d3.scaleLinear().domain(yExtent)

	const aspect = (xExtent[1] - xExtent[0]) / (yExtent[1] - yExtent[0])

	const width = Math.min(dimension * aspect, dimension)
	const height = Math.min(dimension / aspect, dimension)

	x.range([0, width])
	y.range([0, height])

	const svg = container
	.append('svg')
	.attr('width', width + 2 * margin)
	.attr('height', height + 2 * margin)

	const g = svg.append('g').attr('transform', `translate(${margin}, ${margin})`)

	const line = d3
	.line()
	// .curve(d3.curveBasis)
	.x(d => x(d.x))
	.y(d => y(d.y))

	const path = g
	.append('path')
	.attr('class', 'track')
	.datum(track)
	.attr('d', line)
	.node()

	const totalLength = path.getTotalLength()

	const getCoords = pct => {
	const length = totalLength * (pct % 1)
	const delta = 1
	const offset = length + 1 > totalLength ? -delta : delta
	const axy = path.getPointAtLength(length)
	const bxy = path.getPointAtLength(length + offset)
	const a = [axy.x, axy.y]
	const b = [bxy.x, bxy.y]

	const angle = getAngle([a, b])

	const array = [...a]
	array.angle = angle

	return array
	}

	const delta = 0.01
	const before = getCoords(1 - delta)
	const zero = getCoords(0)
	const after = getCoords(delta)

	g
	.append('line')
	.attr('class', 'finish-line')
	.attr('x1', before[0])
	.attr('y1', before[1])
	.attr('x2', after[0])
	.attr('y2', after[1])
	.attr('transform', `rotate(90, ${zero})`)

	return { g, getCoords }
	}

	export default drawTrack
	var drivers = [
	{
	entrant: 'Scuderia Ferrari',
	constructor: 'Ferrari',
	chassis: 'TBA',
	power: 'Ferrari',
	tyres: 'P',
	number: '5',
	standing: 2,
	name: 'Sebastian Vettel'
	},
	{
	entrant: 'Scuderia Ferrari',
	constructor: 'Ferrari',
	chassis: 'TBA',
	power: 'Ferrari',
	tyres: 'P',
	number: '7',
	standing: 4,
	name: 'Kimi Räikkönen'
	},
	{
	entrant: 'Sahara Force India F1 Team',
	constructor: 'Force India-Mercedes',
	chassis: 'TBA',
	power: 'Mercedes',
	tyres: 'P',
	number: '11',
	standing: 7,
	name: 'Sergio Pérez'
	},
	{
	entrant: 'Sahara Force India F1 Team',
	constructor: 'Force India-Mercedes',
	chassis: 'TBA',
	power: 'Mercedes',
	tyres: 'P',
	number: '31',
	standing: 8,
	name: 'Esteban Ocon'
	},
	{
	entrant: 'Haas F1 Team',
	constructor: 'Haas-Ferrari',
	chassis: 'TBA',
	power: 'Ferrari',
	tyres: 'P',
	number: '8',
	standing: 13,
	name: 'Romain Grosjean'
	},
	{
	entrant: 'Haas F1 Team',
	constructor: 'Haas-Ferrari',
	chassis: 'TBA',
	power: 'Ferrari',
	tyres: 'P',
	number: '20',
	standing: 14,
	name: 'Kevin Magnussen'
	},
	{
	entrant: 'McLaren F1 Team',
	constructor: 'McLaren-Renault',
	chassis: 'TBA',
	power: 'Renault',
	tyres: 'P',
	number: '2',
	standing: 16,
	name: 'Stoffel Vandoorne'
	},
	{
	entrant: 'McLaren F1 Team',
	constructor: 'McLaren-Renault',
	chassis: 'TBA',
	power: 'Renault',
	tyres: 'P',
	number: '14',
	standing: 15,
	name: 'Fernando Alonso'
	},
	{
	entrant: 'Mercedes AMG Petronas Motorsport',
	constructor: 'Mercedes',
	chassis: 'TBA',
	power: 'Mercedes',
	tyres: 'P',
	number: '44',
	standing: 1,
	name: 'Lewis Hamilton'
	},
	{
	entrant: 'Mercedes AMG Petronas Motorsport',
	constructor: 'Mercedes',
	chassis: 'TBA',
	power: 'Mercedes',
	tyres: 'P',
	number: '77',
	standing: 3,
	name: 'Valtteri Bottas'
	},
	{
	entrant: 'Aston Martin Red Bull Racing',
	constructor: 'Red Bull Racing-TAG Heuer',
	chassis: 'RB14',
	power: 'TAG Heuer',
	tyres: 'P',
	number: '3',
	standing: 5,
	name: 'Daniel Ricciardo'
	},
	{
	entrant: 'Aston Martin Red Bull Racing',
	constructor: 'Red Bull Racing-TAG Heuer',
	chassis: 'RB14',
	power: 'TAG Heuer',
	tyres: 'P',
	number: '33',
	standing: 6,
	name: 'Max Verstappen'
	},
	{
	entrant: 'Renault Sport Formula One Team',
	constructor: 'Renault',
	chassis: 'TBA',
	power: 'Renault',
	tyres: 'P',
	number: '27',
	standing: 10,
	name: 'Nico Hülkenberg'
	},
	{
	entrant: 'Renault Sport Formula One Team',
	constructor: 'Renault',
	chassis: 'TBA',
	power: 'Renault',
	tyres: 'P',
	number: '55',
	standing: 9,
	name: 'Carlos Sainz Jr.'
	},
	{
	entrant: 'Alfa Romeo Sauber F1 Team',
	constructor: 'Sauber-Ferrari',
	chassis: 'TBA',
	power: 'Ferrari',
	tyres: 'P',
	number: '9',
	standing: 20,
	name: 'Marcus Ericsson'
	},
	{
	entrant: 'Alfa Romeo Sauber F1 Team',
	constructor: 'Sauber-Ferrari',
	chassis: 'TBA',
	power: 'Ferrari',
	tyres: 'P',
	number: '16',
	standing: 26,
	name: 'Charles Leclerc'
	},
	{
	entrant: 'Red Bull Toro Rosso Honda',
	constructor: 'Scuderia Toro Rosso-Honda',
	chassis: 'TBA',
	power: 'Honda',
	tyres: 'P',
	number: '10',
	standing: 21,
	name: 'Pierre Gasly'
	},
	{
	entrant: 'Red Bull Toro Rosso Honda',
	constructor: 'Scuderia Toro Rosso-Honda',
	chassis: 'TBA',
	power: 'Honda',
	tyres: 'P',
	number: '28',
	standing: 23,
	name: 'Brendon Hartley'
	},
	{
	entrant: 'Williams Martini Racing',
	constructor: 'Williams-Mercedes',
	chassis: 'TBA',
	power: 'Mercedes',
	tyres: 'P',
	number: '18',
	standing: 12,
	name: 'Lance Stroll'
	}
	]
	const getAngle = ([a, b]) => {
	const x = b[0] - a[0]
	const y = -(b[1] - a[1])
	const angle = Math.atan2(y, x) * 180 / Math.PI
	return angle
	}

	export default getAngle
	const getRandomArbitrary = (min, max) => Math.random() * (max - min) + min

	export default getRandomArbitrary
	<!DOCTYPE html>
	<title>blockup</title>
	<link href='https://fonts.googleapis.com/css?family=VT323' rel='stylesheet'>
	<link href='dist.css' rel='stylesheet' />
	<body>
	<h1>speedy racer</h1>
	<div class='circuit'></div>
	<table class='board'>
	<thead>
	<tr>
	<td></td>
	<td></td>
	<td></td>
	<td class='cyan'>GAP</td>
	<td class='cyan'>INT</td>
	<td></td>
	<td></td>
	</tr>
	</thead>
	<tbody>
	</tbody>
	</table>
	<div class='chart'></div>
	<button class='slow'>slow</button>
	<button class='fast'>fast</button>
	<button class='stop'>stop</button>
	<script src='lodash.min.js'></script>
	<script src='d3.v4.min.js'></script>
	<script src='drivers.js'></script>
	<script src='circuitTracks.js'></script>
	<script src='dist.js'></script>
	</body>