feat(editor): add --gen-texture-clouds sky pattern

Multi-octave cosine-product noise (4 octaves at doubling
frequency, halving amplitude) thresholded by `coverage` so
values above the threshold blend toward cloud color and below
fade to sky. A 0.15-wide smoothstep band feathers cloud edges
instead of stepping hard.

Defaults: coverage=0.5 (mixed clouds), seed=1. Useful for
skybox cubemaps, distant sky planes, atmospheric backdrop
art. Brings the procedural texture pattern set to 25.
This commit is contained in:
Kelsi 2026-05-09 00:20:14 -07:00
parent 3d5a786ca9
commit 08f740a1ff
3 changed files with 107 additions and 0 deletions

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@ -573,6 +573,7 @@ int main(int argc, char* argv[]) {
"--gen-texture-cobble", "--gen-texture-marble", "--gen-texture-metal",
"--gen-texture-leather", "--gen-texture-sand", "--gen-texture-snow",
"--gen-texture-lava", "--gen-texture-tile", "--gen-texture-bark",
"--gen-texture-clouds",
"--validate-glb", "--info-glb", "--info-glb-tree", "--info-glb-bytes",
"--validate-jsondbc", "--check-glb-bounds", "--validate-stl",
"--validate-png", "--validate-blp",