clamp

🎨 3D 预览 — 限制范围

@StartRule
Lot --> Tower(10)

Tower(n) -->
  case n == 0 : NIL
  else        : primitiveCube(clamp(n, 2, 5), 1, clamp(n, 2, 5))
                  t(0, 1.1, 0)
                  Tower(n - 1)