gistfile1.txt

const {   totalCols,
  leftCols,
  frontCols,
  rightCols,
  backCols,
  totalRows, } = config

// https://d3js.org/d3-collection/ Version 1.0.1. Copyright 2016 Mike Bostock.
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// https://d3js.org/d3-dispatch/ Version 1.0.1. Copyright 2016 Mike Bostock.
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// https://d3js.org/d3-quadtree/ Version 1.0.1. Copyright 2016 Mike Bostock.
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// https://d3js.org/d3-timer/ Version 1.0.2. Copyright 2016 Mike Bostock.
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// https://d3js.org/d3-force/ Version 1.0.2. Copyright 2016 Mike Bostock.
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M=10,q=Math.PI*(3-Math.sqrt(5));n.forceCenter=u,n.forceCollide=l,n.forceLink=v,n.forceManyBody=x,n.forceSimulation=g,n.forceX=s,n.forceY=p,Object.defineProperty(n,"__esModule",{value:!0})});

const nodes = [];
for (let i = 0; i < 50; i++) {
    nodes.push({
        offset: Math.random() * 360
    });
}

const center = d3.forceX(totalCols / 2, 0);

const simulation = d3.forceSimulation(nodes)
    .force("charge", d3.forceManyBody().strength(1))
    .force("center", center);

simulation.stop();

setTimeout(function bob() { simulation.alpha(Math.random() * 0.5 + 0.5); center.x(Math.random() * totalCols); setTimeout(bob, Math.random() * 6000) }, 3000)

function update(currentLights, time) {
  simulation.tick();

  const newLights = new Lights()
  for (const node of nodes) {
      const color = Color().hsl((time * 25) % 360, 100, 50)
      let x = (Math.round(node.x) - (totalCols / 2)) % totalCols;
      x = x >= 0 ? x : (totalCols + x);
      newLights.set(
        x, 
        node.y > 0 ? color : null, 
        node.y <= 0 ? color : null
      );
     
  }

  return newLights
}

// Registers a visualization.
register(update)