// Based on NASA LSPN-1725 (Comet P/Halley as taken March 8, 1986 by W. Liller, Easter Island) s0.initImage("https://git.plnech.fr/pln/Hydra/raw/master/StarryNights/img/halley.png"); src(s0).out(o0) src(o0) .modulate(src(o0),() => Math.sin(time/100) / 10) .out(o1) src(o1) .modulateScale(osc(1,0.4),0.05) .blend(noise(100,0.92).colorama(),0.07) .out(o2) src(o2) .blend(src(o2).thresh(), () => 0.5 + 0.125 * Math.sin(time / 100 % 180)) .scrollX(-0.05) // .scrollY(-0.1) .scale(1.18) .out(o3) render()