rand

🎨 3D 预览 — 随机高度建筑

@StartRule
Lot --> primitiveCube(4, 4, 0.2)
        extrude(rand(3) + 2)
        comp(f) { top: Roof | side: Wall }

Roof --> color(0.5, 0.25, 0.15)
Wall --> color(0.75, 0.72, 0.68)