distribution:
  type: "clustered"
  params:
    cluster_count: 14               # C  - more parents reduce large uncovered regions
    cluster_radius: 9.5             # r_c - wider scatter softens clump boundaries
    scatter_shape: "uniform_disk"   # flatter local density than gaussian peak-at-center
    mean_per_cluster: 5             # fewer children per parent to avoid compact hotspots
    min_parent_distance: 8.0        # allow better parent coverage of the world
    allow_cluster_overlap: false    # if true, min_parent_distance is ignored
    background_fraction: 0.35       # stronger background fill between clusters