{
const ctx = DOM.context2d(600, 600)
const system = new PrimordialParticleSystem(alpha, beta, n, speed, radius)
while (true){
ctx.fillStyle = 'rgba(255,255,255, .2)'
ctx.fillRect(0,0, ctx.canvas.width, ctx.canvas.height)
system.update()
system.render(ctx)
await Promises.delay(0)
yield ctx.canvas
}
}