Class: Juicy::Melody

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

Instance Method Summary collapse

Constructor Details

#initialize(chord_progression = ChordProgression.new, song = Song.new) ⇒ Melody

Returns a new instance of Melody.



6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
# File 'lib/juicy/melody.rb', line 6

def initialize(chord_progression = ChordProgression.new, song = Song.new)
  
  @notes = [
    Note.new("C", "half", 1),Note.new("E", "", 1),Note.new("G", "", 1),
    Note.new("F", "", 1),Note.new("F", "eighth", 1),Note.new("G", "eighth", 1),Note.new("F", "half", 1),
    Note.new("C", "half", 1),Note.new("E", "", 1),Note.new("G", "", 1),
    Note.new("D", "", 1),Note.new("D", "eighth", 1),Note.new("E", "eighth", 1),Note.new("D", "half", 1)
  ]
  
  @notes = []
  
  # given the chord progression, make the first note of every chord change a chord tone within 1 octave of the previous.
  # then add in notes which over all step to the next, but don't have to be chord tones OR simply jump to the next chord tone
  song.measures.each do |measure|
    #until 
  end
  (10).times do
    @notes << Note.new((["A", "C", "E"]).sample + [""].sample, ["eighth"].sample, [*(-1)..1].sample)
  end
  (10).times do
    @notes << Note.new((["E", "G#", "B"]).sample + [""].sample, ["eighth"].sample, [*(-1)..1].sample)
  end
  (10).times do
    @notes << Note.new((["A", "C", "E"]).sample + [""].sample, ["eighth"].sample, [*(-1)..1].sample)
  end
  
  
  sum_of_durations = 0
  @notes.each do |note|
    sum_of_durations += note.duration_in_milliseconds(song.tempo)
    note.distance_from_beat_in_milliseconds = (sum_of_durations.round % Duration.duration_of_quarter_note_in_milliseconds(song.tempo).round)
    note.plays_during(sum_of_durations.round / Duration.duration_of_quarter_note_in_milliseconds(song.tempo).round + 1)
    #puts note.distance_from_beat_in_milliseconds
  end
  
end

Instance Method Details

#initial_play_time ⇒ Object 



47
48
49
 
# File 'lib/juicy/melody.rb', line 47

def initial_play_time
  0
end

#to_a ⇒ Object 



43
44
45
 
# File 'lib/juicy/melody.rb', line 43

def to_a
  @notes
end