Art: seabed relief kit — 5 modular pieces, built in Blender and baked into Game.unity

Track 2 of the A0 readability work. The operator wanted non-flat ground; the walkable surface must stay flat, because the character controller is configured for a plane (SnapToGround=false, gravity float3.zero) and enemies have no pathfinding. Real elevation is a locomotion + navigation task, not an art one. The kit therefore avoids the height band that breaks entirely: SM_Seabed_Hollow_A 442 tris below plane no collider SM_Seabed_Dunes_A 442 tris +/-0.4 crests no collider SM_Seabed_Ridge_A 55 tris ~1.2 m rim placement SM_Seabed_Outcrop_A 120 tris ~1.4 m rim placement SM_Seabed_Shelf_A 96 tris ~1.4 m rim placement 1155 tris total, all far under the <=800/prop budget, faceted, one material. Nothing sits at 0.3-0.6 m, which is the range that either clips the diver's legs (no collider) or becomes a wall you cannot see over (collider). The three tall pieces sit at the arena RIM outside the 16u wave ring, where the boundary already blocks the player - so they read as silhouette with no subscene collider work and zero nav risk. Two art lessons, both corrected mid-build: - First pass encoded relief as ALBEDO BANDING from the palette atlas. At top-down, flat colour bands read as a printed pattern, not form: the hollow looked like a bullseye and the ripple sheet like woven basketwork. The style bible is explicit that the read is shape + light. Uniform albedo + real geometry + faceted normals doing the shading. - Cutting an organic outline by dropping whole quads gives stair-stepped edges. Rebuilt in POLAR coordinates so the boundary follows R(theta) exactly. In-engine: the palette grey read ~2x brighter than the seabed floor, so the pieces looked like slabs laid on top. Ground pieces now share the floor's own M_Staging_Seabed; rock pieces use a darker sibling M_Seabed_Rock (0.13,0.19,0.23) so they read as the same ground family, a shade separated. Exported per-piece so the Phase-2 pocket generator can place them individually rather than inheriting a bespoke landscape. 304/304 EditMode green. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-08 17:46:57 -07:00
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