Class: Figure

Inherits:
Object
  • Object
show all
Defined in:
lib/figure.rb

Overview

The figure unit. It handles the figure basics, like drawing itself making all sorts of manipulations like movements and rotations, plus it keeps the track of it’s position and distance below

Copyright © 2011 Nikolay Nemshilov

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(window, name = nil) ⇒ Figure

Basic constructor

NOTE! creates a random figure if there is no explicit config



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# File 'lib/figure.rb', line 16

def initialize(window, name=nil)
  name  ||= FIGURES.keys.shuffle[0]
  config  = FIGURES[name].split('|')

  @pos_x  = 0
  @pos_y  = 0

  @name   = name
  @window = window
  @color  = COLORS[config.pop.to_sym]
  @block  = Block.new(window, @color)

  @matrix = config.map{ |row| row.split('').map{|c| c == 'x'}}

  # getting rid of empty colls and rows
  @matrix.reject!{ |row| row.none? }

  while @matrix.map{ |row| row.last }.none?
    @matrix.each{ |row| row.pop }
  end
end

Instance Attribute Details

#color ⇒ Object

Returns the value of attribute color.



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# File 'lib/figure.rb', line 9

def color
  @color
end

#distance ⇒ Object

Returns the value of attribute distance.



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# File 'lib/figure.rb', line 9

def distance
  @distance
end

#matrix ⇒ Object

Returns the value of attribute matrix.



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# File 'lib/figure.rb', line 9

def matrix
  @matrix
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/figure.rb', line 9

def name
  @name
end

#pos_x ⇒ Object

Returns the value of attribute pos_x.



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# File 'lib/figure.rb', line 9

def pos_x
  @pos_x
end

#pos_y ⇒ Object

Returns the value of attribute pos_y.



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# File 'lib/figure.rb', line 9

def pos_y
  @pos_y
end

Instance Method Details

#draw ⇒ Object

Draws the blocks of the figure



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# File 'lib/figure.rb', line 41

def draw
  @matrix.each_with_index do |row, y|
    row.each_with_index do |visible, x|
      @block.draw(@pos_x + x, @pos_y + y) if visible
    end
  end
end

#drop ⇒ Object 



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# File 'lib/figure.rb', line 57

def drop
  @window.glass.glue_in(self)
  @window.show_next_figure
end

#move_down ⇒ Object 



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# File 'lib/figure.rb', line 74

def move_down
  move_to(@pos_x, @pos_y + 1)
end

#move_left ⇒ Object 



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# File 'lib/figure.rb', line 66

def move_left
  move_to(@pos_x - 1, @pos_y)
end

#move_right ⇒ Object 



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# File 'lib/figure.rb', line 70

def move_right
  move_to(@pos_x + 1, @pos_y)
end

#move_to(x, y) ⇒ Object 



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# File 'lib/figure.rb', line 62

def move_to(x, y)
  try_set(@matrix, x, y)
end

#size_x ⇒ Object 



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# File 'lib/figure.rb', line 49

def size_x
  @matrix[0].size
end

#size_y ⇒ Object 



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# File 'lib/figure.rb', line 53

def size_y
  @matrix.size
end

#turn_left ⇒ Object 



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# File 'lib/figure.rb', line 78

def turn_left
  new_matrix = (0..size_x-1).map do |i|
    @matrix.map{ |row| row[size_x - 1 - i] }
  end

  try_set(new_matrix, @pos_x, @pos_y)
end

#turn_right ⇒ Object 



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# File 'lib/figure.rb', line 86

def turn_right
  new_matrix = (0..size_x-1).map do |i|
    @matrix.map{ |row| row[i] }.reverse
  end

  try_set(new_matrix, @pos_x, @pos_y)
end