Kelsi 0137ca8707 feat(editor): add --gen-texture-caustics water-shimmer pattern ...

52nd procedural texture: water-surface caustics via four
superimposed sine waves running along x, y, x+y, and x-y.
Each wave is taken in absolute value before multiplication
so peaks shine on either side of the wave centerline,
giving the bright-line interference network you see on a
pool floor or sunlit shallow streambed.

Two-color lerp from bgHex (depth) to hiHex (highlight).
Default 24-pixel period reads at the right scale for water-
plane underlay; pass a smaller period for tighter ripple.

Useful as the floor texture under transparent water
volumes, magic-fountain pools, fish-tank ground plates,
ritual scrying basins, and any "submerged surface seen
through clear water" effect.

2026-05-09 11:12:28 -07:00

71 KiB

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