Explanation

Options

`height` option to set wall height.
`onGround` option to draw on the ground or not.
`offset` option to set ground offset.
`ignoreBuildings` option to ignore existing buildings.
`ignoreVegetation` option to ignore vegetation.
`ignoredBlocks` option to:
`allowedBlocks` option to:

Default allowed & ignored allowedBlocks

The blocks ignored by default are used to not draw a path on the vegetation.

[
  'air',
  'tallgrass',
  'sapling',
  'log',
  'log2',
  'leaves',
  'leaves2',
  'deadbush',
  'red_flower',
  'yellow_flower',
  'red_mushroom',
  'brown_mushroom',
  'vine',
  'waterlily',
  'cactus',
  'reeds',
  'pumpkin',
  'melon_block',
  'snow_layer',
  'double_plant'
]

The blocks allowed by default are used to not draw a path on existing buildings.

[
  'air',
  'grass',
  'dirt',
  'stone',
  'sand',
  'grass_path',
  'concrete',
  'gravel',
  'water',
  'lava'
]