conditional

🎨 3D 预览 — 条件表达式

@StartRule
Lot --> primitiveCube(6, 0.2, 6)
        extrude(5)
        comp(f) { top: Roof | side: Wall }

Roof --> color(0.5, 0.25, 0.15)

Wall -->
  conditional(
    scope.sy > 4,
    color(0.8, 0.3, 0.3),
    color(0.3, 0.6, 0.8)
  )