class Musicality::RepeatingSequence
Attributes
start_value[R]
Public Class Methods
new(pattern)
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# File lib/musicality/composition/util/repeating_sequence.rb, line 7 def initialize pattern raise EmptyError if pattern.empty? @pattern = pattern @n = pattern.size @start_value = pattern.first end
Public Instance Methods
next_value(cur_val, cur_idx)
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# File lib/musicality/composition/util/repeating_sequence.rb, line 16 def next_value cur_val, cur_idx @pattern[(cur_idx + 1) % @n] end
pattern_size()
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# File lib/musicality/composition/util/repeating_sequence.rb, line 14 def pattern_size; @pattern.size; end
prev_value(cur_val, cur_idx)
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# File lib/musicality/composition/util/repeating_sequence.rb, line 19 def prev_value cur_val, cur_idx @pattern[(cur_idx - 1) % @n] end