Class: Ruby2D::Tileset

Inherits:
Object
  • Object
show all
Includes:
Renderable
Defined in:
lib/ruby2d/tileset.rb

Instance Attribute Summary

Attributes included from Renderable

#color, #height, #width, #x, #y, #z

Instance Method Summary collapse

Methods included from Renderable

#a, #a=, #add, #b, #b=, #contains?, #g, #g=, #opacity, #opacity=, #r, #r=, #remove

Constructor Details

#initialize(path, opts = {}) ⇒ Tileset

Returns a new instance of Tileset.



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# File 'lib/ruby2d/tileset.rb', line 7

def initialize(path, opts = {})
  unless File.exist? path
    raise Error, "Cannot find tileset image file `#{path}`"
  end
  @path = path
  @tiles = []
  @defined_tiles = {}
  @padding = opts[:padding] || 0
  @spacing = opts[:spacing] || 0
  @tile_width = opts[:tile_width]
  @tile_height = opts[:tile_height]

  unless ext_init(@path)
    raise Error, "Tileset `#{@path}` cannot be created"
  end

  unless opts[:show] == false then add end
end

Instance Method Details

#clear_tiles ⇒ Object 



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# File 'lib/ruby2d/tileset.rb', line 43

def clear_tiles
  @tiles = []
end

#define_tile(name, x, y) ⇒ Object 



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# File 'lib/ruby2d/tileset.rb', line 26

def define_tile(name, x, y)
  @defined_tiles[name] = { x: x, y: y }
end

#set_tile(name, coordinates) ⇒ Object 



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# File 'lib/ruby2d/tileset.rb', line 30

def set_tile(name, coordinates)
  tile = @defined_tiles.fetch(name)

  coordinates.each do |coordinate|
    @tiles.push({
      tile_x: tile.fetch(:x), 
      tile_y: tile.fetch(:y), 
      x: coordinate.fetch(:x),
      y: coordinate.fetch(:y)
    })
  end
end