Class: Amaze::Formatter::ASCII::Ortho

Inherits:
Amaze::Formatter::ASCII show all
Defined in:
lib/amaze/formatter/ascii/ortho.rb

Instance Attribute Summary

Attributes inherited from Amaze::Formatter::ASCII

#grid, #options

Instance Method Summary collapse

Methods inherited from Amaze::Formatter::ASCII

#ansi_clear, #cell_size, #char, #clear, #distance, #distance_color, #distances, #grid_color, #initialize, #path?, #path_cell?, #path_color, #render

Constructor Details

This class inherits a constructor from Amaze::Formatter::ASCII

Instance Method Details

#center ⇒ Object 



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 98

def center
  '∙'
end

#char_array_height ⇒ Object 



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 86

def char_array_height
  y(grid.rows) + 1
end

#char_array_width ⇒ Object 



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 82

def char_array_width
  x(grid.columns) + 1
end

#coord(cell) ⇒ Object

left, right, top, bottom



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 70

def coord cell
  [x(cell.column), x(cell.column+1), y(cell.row), y(cell.row+1)]
end

#corner ⇒ Object 



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 102

def corner
  '+'
end

#draw_cell(cell) ⇒ Object 



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 4

def draw_cell cell
  left, right, top, bottom = coord cell
  
  # corners
  char[top][left] = corner.color(grid_color)
  char[top][right] = corner.color(grid_color)
  char[bottom][left] = corner.color(grid_color)
  char[bottom][right] = corner.color(grid_color)
  # top & bottom
  (left+1).upto(right-1) do |i|
    # top
    char[top][i] = h.color(grid_color) unless cell.linked_to?(:north)
    # bottom
    char[bottom][i] = h.color(grid_color) unless cell.linked_to?(:south)
  end
  # left & right
  (top+1).upto(bottom-1) do |i|
    # left
    char[i][left] = v.color(grid_color) unless cell.linked_to?(:west)
    # right
    char[i][right] = v.color(grid_color) unless cell.linked_to?(:east)
  end
end

#draw_content(cell) ⇒ Object 



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 28

def draw_content cell
  left, right, top, bottom = coord cell

  my = top + cell_size / 2 + 1
  distance(cell).center(cell_size * 3).chars.each_with_index do |c,i|
    char[my][left+1+i] = c.color(*distance_color(cell))
  end
end

#draw_path(cell) ⇒ Object 



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 37

def draw_path cell
  left, right, top, bottom = coord cell

  mx = left + (cell_size * 3 + 1) / 2
  my = top + cell_size / 2 + 1
  
  # TODO: simplify paths, draw only north-south and east-west
  
  # to north
  top.upto(my-1) do |i|
    char[i][mx] = v.color(path_color) if path?(:north, cell)
  end if top <= my-1
  # to east
  (mx+1).upto(right) do |i|
    char[my][i] = h.color(path_color) if path?(:east, cell)
  end if mx+1 <= right
  # to south
  (my+1).upto(bottom) do |i|
    char[i][mx] = v.color(path_color) if path?(:south, cell)
  end if my+1 <= bottom
  # to west
  left.upto(mx-1) do |i|
    char[my][i] = h.color(path_color) if path?(:west, cell)
  end if left <= mx-1
  # center, select the char depeding on how many paths cross the cell
  center_char = center
  center_char = v if path?(:north, cell) && path?(:south, cell)
  center_char = h if path?(:east, cell) && path?(:west, cell)
  center_char = corner if [:north, :east, :south, :west].select{|d| path?(d, cell) }.size >= 3
  char[my][mx] = center_char.color(path_color)
end

#h ⇒ Object 



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 90

def h
  '-'
end

#v ⇒ Object 



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 94

def v
  '|'
end

#x(column) ⇒ Object 



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 74

def x column
  (cell_size * 3 + 1) * column
end

#y(row) ⇒ Object 



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# File 'lib/amaze/formatter/ascii/ortho.rb', line 78

def y row
  (cell_size + 1) * row
end