clearing.yaml

version: 1
name: Clearing
description: |
  The base is in a clearing in the forest: the area within a certain
  radius of the base is completely clear of trees; then there are
  random trees at increasing density up to another radius; outside of
  the outer radius there are only trees.
creative: true
robots:
  - name: base
    display:
      char: Ω
    loc: [0, 0]
    dir: north
world:
  dsl: |
    overlay
    [ {dirt}
    , mask ((x*x + 4*y*y) >= (6*6) && (x*x + 4*y*y) <= (30*30))
        (let h = hash % 24 in if (36 + h*h) <= (x*x + 4*y*y) then {tree,dirt} else {dirt} )
    , mask ((x*x + 4*y*y) > (30*30)) {tree, dirt}
    ]