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fix(render3d): lakes clipped to their ellipse; r3d_fog_base

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A water body other than the reflecting one drew its whole bounding rectangle,
so the corners outside the lake's carved ellipse showed water over dry ground;
those bodies now discard outside the ellipse. r3d_fog_base (default 0) is the
height the height fog is measured from, so maps sharing one datum at different
heights get the same air.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-13 00:29:37 +03:00
parent 7a0c03dd21
commit 3e76785b40
6 changed files with 26 additions and 1 deletions
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changes/render3d-fog-base.md Normal file
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type: feat
**ludic.render3d: `r3d_fog_base`** — the height the height fog's density is measured from (default 0, the world's y = 0). Two maps sharing one height datum, one far lower than the other, no longer give the lower one many times thicker air.

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changes/render3d-lake-ellipse.md Normal file
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bump: patch
type: fix
**ludic.render3d: lakes are ellipses** — a water body other than the reflecting one was drawn as the whole rectangle of its bounds, so the corners between that rectangle and the lake's carved ellipse showed sheets of water over dry ground. Those bodies are now clipped to the ellipse; the reflecting body (the sea) still fills its rectangle.