playroom_paint

Painted wood built from the fragment's world position: long grain streaks down the board, a seam and a per-board tint every plank_size metres across it, and broad patches where wear rubs the paint back to wear_color. Lit through zero::pbr, so it renders in forward and deferred alike.

Because the pattern is world-space, one material keeps the same physical grain size on a 48 m table slab and on a 3 m skirting board, and a heavily stretched cube does not smear. plank_size = 0 turns the boards off, which is what the flat painted surfaces (walls, rug, table top) use.

Every playroom surface in BLOCKBUSTER 767 is a material on this shader.