COLLISION_PALETTE_REF

const COLLISION_PALETTE_REF: "builtin:collision" = 'builtin:collision'

Defined in: tilemap/collisionPalette.ts:28

The sentinel tileset ref that turns a TilemapLayer into a collision (obstacle) layer. Mirrors the builtin:<id> shader convention — resolved in code, never a project asset. A per-layer physics material rides as a query string: builtin:collision?friction=0.1.