Class: ColorWave

Inherits:
Object
  • Object
show all
Defined in:
lib/color_wave/version.rb,
lib/color_wave/color_wave.rb

Constant Summary collapse

VERSION = 
'0.1.0'
DEFAULT_LINES = 
20
DEFAULT_CHARS = 
%w( O ).freeze
DEFAULT_CYCLES = 
3
DEFAULT_SPEED = 
10.0
DEFAULT_COLORS =

rainbow RGB values stolen from Term-Colormap on CPAN metacpan.org/source/XXFELIXXX/Term-Colormap-0.06/lib/Term/Colormap.pm

%w(
  800000 ff0000 ff5f00 ff8700 ffaf00 ffd700 ffff00 ffff00
  d7ff00 afff00 87ff00 5fff00 00ff00 00ff00 00ff5f 00ff87
  00ffaf 00ffd7 00ffff 00ffff 00d7ff 00afff 0087ff 005fff
  0000ff 0000ff 5f00ff 8700ff af00ff d700ff ff00ff 800080
).freeze
TWO_PI = 
Math::PI * 2
BASE_SLEEP_TIME = 
0.001

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lines: DEFAULT_LINES, cycles: DEFAULT_CYCLES, chars: DEFAULT_CHARS, colors: DEFAULT_COLORS, speed: DEFAULT_SPEED) ⇒ ColorWave

Returns a new instance of ColorWave.



27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
# File 'lib/color_wave/color_wave.rb', line 27

def initialize(lines: DEFAULT_LINES, cycles: DEFAULT_CYCLES,
               chars: DEFAULT_CHARS, colors: DEFAULT_COLORS,
               speed: DEFAULT_SPEED)
  @lines = lines
  @cycles = cycles
  @chars = chars.cycle
  @colors = colors.cycle
  @speed = speed

  @current_line = 0
  @shutdown = false

  set_signal_handlers
  recalculate_values
end

Instance Attribute Details

#chars ⇒ Object (readonly)

Returns the value of attribute chars.



25
26
27
 
# File 'lib/color_wave/color_wave.rb', line 25

def chars
  @chars
end

#colors ⇒ Object (readonly)

Returns the value of attribute colors.



25
26
27
 
# File 'lib/color_wave/color_wave.rb', line 25

def colors
  @colors
end

#lines ⇒ Object (readonly)

Returns the value of attribute lines.



25
26
27
 
# File 'lib/color_wave/color_wave.rb', line 25

def lines
  @lines
end

#speed ⇒ Object (readonly)

Returns the value of attribute speed.



25
26
27
 
# File 'lib/color_wave/color_wave.rb', line 25

def speed
  @speed
end

Instance Method Details

#run ⇒ Object 



43
44
45
46
47
48
49
50
51
52
 
# File 'lib/color_wave/color_wave.rb', line 43

def run
  self.shutdown = false
  prepare_screen
  loop.each_with_index do |_, pass|
    break if shutdown
    write_one_pass pass
    ready_next_pass
  end
  cleanup_screen
end