Class: Rnes::TerminalRenderer

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

Constant Summary collapse

BRAILLE_BASE_CODE_POINT = 
0x2800
BRAILLE_HEIGHT = 
4
BRAILLE_WIDTH = 
2
BRIGHTNESS_SUM_THRESHOLD = 
256
TEXT_HEIGHT = 
61
TEXT_WIDTH = 
128
ESCAPE_TO_CLEAR_TEXT = 
"\e[#{TEXT_HEIGHT}A\e[#{TEXT_WIDTH}D".freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ TerminalRenderer

Returns a new instance of TerminalRenderer.



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# File 'lib/rnes/terminal_renderer.rb', line 17

def initialize
  @fps = 0
  @previous_fps = 0
end

Instance Method Details

#render(image) ⇒ Object 



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# File 'lib/rnes/terminal_renderer.rb', line 22

def render(image)
  brailles = convert_image_to_string(image)
  fps_counter = "FPS:#{@previous_fps}"
  puts "#{ESCAPE_TO_CLEAR_TEXT}#{fps_counter}\n#{brailles}"
  second = ::Time.now.sec
  if @second == second
    @fps += 1
  else
    @previous_fps = @fps
    @fps = 0
    @second = second
  end
end