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ludic/changes/the-world-knows-you-are-there.md
Orkuncakilkaya 4975c60ac1 feat(render3d): the lake answers to a body standing in it 
water.frag takes u_wade - a point and a strength - and puts spreading rings and a
patch of churn into the surface normals there, so a wader marks the water and a
swimmer works the whole of it. It is one uniform in a fragment stage that was
already running, applied after the distance flattening so a disturbance close to
the camera survives it, and it measures no frame cost at all.

Also records the two renderer features that shipped without a changeset.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-19 20:23:27 +03:00

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bump: minor type: feat The world answers to a body standing in it. grass_push(x, z, r) bends every blade within a radius away from a point and presses it down, so a walker opens a bow wave through a meadow instead of passing through it; water_wade(x, z, strength) puts spreading rings and a patch of churn into the lake's normals at a point, so a wader marks the surface and a swimmer disturbs the whole of it. Both are one uniform each (u_push, u_wade) read in the vertex and fragment stage that was already running - no extra pass, no extra draw.