roofRadial

🎨 3D 预览 — 放射状屋顶

@StartRule
Lot --> primitiveDisk(8, 4)
        extrude(4)
        comp(f) { top: Roof | side: Wall }

Roof --> roofRadial(30)
         color(0.5, 0.25, 0.15)

Wall --> color(0.75, 0.72, 0.68)