Method: Worldgen::PlateMap#to_height_map

Defined in:
lib/worldgen/platemap.rb

#to_height_map(sea_gap) ⇒ Object

Convert to a height map - very simple, just give the continents one height and the oceans another height. This is controlled by a single parameter, ((sea_gap)), which will be the difference between the continents height and oceans height.



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# File 'lib/worldgen/platemap.rb', line 102

def to_height_map sea_gap
  raise "Sea gap should be between 0 and 1" if sea_gap < 0 or sea_gap > 1

  plate_heights = @plates.map do |plate|
    if plate.type == :continent
      0.5 + sea_gap / 2
    else
      0.5 - sea_gap / 2
    end
  end

  map = HeightMap.new @size
  
  each_plate_point do |x, y, id|
    map[x, y] = plate_heights[id]
  end

  map
end