Spike 43 — Volumetric clouds + atmosphere LUT

Spike 43 · Sky & Clouds

Booting…

FPS—

CPU/frame—

Atmosphere LUT—

· transmittance—

· multi-scatter—

· sky-view—

Cloud raymarch—

Composite—

Sky+cloud total—

Sun azimuth—

Sun elevation—

Cloud coverage—

Cloud res—

GPU mem (LUTs+noise)—

Controls

Time of day 12:00 Cloud coverage 0.55 Cloud density 0.85 Wind speed 7 m/s (demo ×25) Convection 0.04 (4D morph rate) Camera height 90 m Cloud resolution

Auto sun

Cloud raymarch

Debug overlay

What you're looking at

SkyHillaire 2020 atmosphere · 3 LUTs · physically based scatter

CloudsSchneider Nubis ray-march · Perlin-Worley noise · Beer-Lambert + HG phase

GroundReference plane + obelisks · cloud-shaped shadows from a sun-direction shadow bake

Drag orbit · Scroll zoom · Right-drag pan · Space auto-sun · [ / ] coverage · , / . sun · R / F altitude · V voxel/procedural