Module: Sunniesnow::Charter::Metronomic

Included in:
Event, TimeDependent::DataPoint, TimeDependent::PiecewiseData
Defined in:
lib/sscharter/charter/beat.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#beat ⇒ Integer, Rational

Returns:

  • (Integer, Rational) 


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# File 'lib/sscharter/charter/beat.rb', line 128

def beat
  @beat
end

#bpm_changes ⇒ BpmChangeList (readonly)

Returns:



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# File 'lib/sscharter/charter/beat.rb', line 134

def bpm_changes
  @bpm_changes
end

#duration_beats ⇒ Integer, ...

Returns:

  • (Integer, Rational, nil) 


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# File 'lib/sscharter/charter/beat.rb', line 131

def duration_beats
  @duration_beats
end

#offset ⇒ Float

Returns:

  • (Float) 


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# File 'lib/sscharter/charter/beat.rb', line 125

def offset
  @offset
end

Instance Method Details

#<=>(other) ⇒ -1, ...

Parameters:

Returns:

  • (-1, 0, 1) 


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# File 'lib/sscharter/charter/beat.rb', line 160

def <=> other
	@beat <=> other.beat
end

#beat_state ⇒ Object

Note:

Internal API.

Returns BeatState.

Returns:

  • BeatState



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# File 'lib/sscharter/charter/beat.rb', line 154

def beat_state
	BeatState.new @beat, @bpm_changes
end

#end_time ⇒ Float

Returns:

  • (Float) 


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# File 'lib/sscharter/charter/beat.rb', line 148

def end_time
	time_at_relative_beat @duration_beats || 0
end

#time ⇒ Float

Returns:

  • (Float) 


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# File 'lib/sscharter/charter/beat.rb', line 143

def time
	time_at_relative_beat 0
end

#time_at_relative_beat(delta_beat) ⇒ Float

Parameters:

  • delta_beat (Integer, Rational)

Returns:

  • (Float) 


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# File 'lib/sscharter/charter/beat.rb', line 138

def time_at_relative_beat delta_beat
	@offset + @bpm_changes.time_at(@beat + delta_beat)
end