{
const el = document.createElement('div');
const simulationPod = d3ForcePod()(el)
.width(width).height(500);
simulationPod.genNodes({
density: 0.00025,
radiusRange: [1, 8],
yRange: [0, 0],
velocityRange: [0, 1],
velocityAngleRange: [90, 90]
});
simulationPod
.addForce(d3.forceBounce().radius(d => d.r))
.addForce(d3.forceX().x(width/2).strength(0.002));
return el;
}