Class: Drawille::FlipBook

Inherits:
Object
  • Object
show all
Includes:
Frameable
Defined in:
lib/drawille/flipbook.rb

Constant Summary

Constants included from Frameable

Drawille::Frameable::BRAILLE_CHAR_OFFSET, Drawille::Frameable::PIXEL_MAP

Instance Method Summary collapse

Methods included from Frameable

#char, #frame, #row, #rows, #to_braille

Constructor Details

#initialize ⇒ FlipBook

Returns a new instance of FlipBook.



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# File 'lib/drawille/flipbook.rb', line 9

def initialize
  clear
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/drawille/flipbook.rb', line 13

def clear
  @snapshots = []
  @chars     = {}
end

#each_frame(options = {}) ⇒ Object 



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# File 'lib/drawille/flipbook.rb', line 23

def each_frame options={}
  return enum_for(__callee__) unless block_given?
  @snapshots.each do |frame|
    yield frame
  end
end

#play(options = {}) ⇒ Object 



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# File 'lib/drawille/flipbook.rb', line 30

def play options={}
  options = {
    repeat: false, fps: 6,
    min_x: 0, min_y: 0
  }.merge(options)

  Curses::init_screen
  begin
    Curses::crmode
    Curses::curs_set 0
    repeat options do
      if block_given?
        loop {
          canvas = yield
          raise StopIteration if canvas == nil
          draw canvas.frame
        }
      else
        each_frame options do |frame|
          draw frame
          sleep(1.0/options[:fps])
        end
      end
    end
  ensure
    Curses::close_screen
  end
end

#repeat(options) ⇒ Object 



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# File 'lib/drawille/flipbook.rb', line 59

def repeat options
  options[:repeat] ? loop { yield; clear_screen options } : yield
end

#snapshot(canvas) ⇒ Object 



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# File 'lib/drawille/flipbook.rb', line 18

def snapshot canvas
  @snapshots << canvas.frame
  @chars     =  canvas.chars
end