Class: LetItFall::Render

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(mark, screen, color: nil, interval: 0.1, matrix: false) ⇒ Render

Returns a new instance of Render.



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# File 'lib/let_it_fall.rb', line 11

def initialize(mark, screen, color:nil, interval:0.1, matrix:false)
  @y, @x = screen
  if [nil, *31..37].include?(color)
    @color = color
  else
    raise ArgumentError, "color should be 31-37 or nil"
  end
  @mark = mark
  @interval = interval
  @screen = {}
  @matrix = matrix
  $stdout.sync = true
end

Class Method Details

.run(mark, screen, color: nil, interval: 0.1, matrix: false) ⇒ Object 



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# File 'lib/let_it_fall.rb', line 7

def self.run(mark, screen, color:nil, interval:0.1, matrix:false)
  new(mark, screen, color:color, interval:interval, matrix:matrix).run
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/let_it_fall.rb', line 25

def run
  clear_screen
  marks = build_marks(@mark)
  Thread.new do
    while STDIN.getc # hit return
      marks = select_next_marks(@mark)
    end
  end

  trap(:INT) do
    exit(0)
  end

  loop do
    print_marks(rand(@x), 0, marks)
    sleep @interval
  end
ensure
  reset_screen
end