func SampleAddDelay() s.Sound {
// Includes: Concat, TimedSound and MidiToSound
return s.AddDelay(s.ConcatSounds(
s.NewTimedSound(u.MidiToSound(55), 678),
s.NewTimedSound(u.MidiToSound(59), 678),
s.NewTimedSound(u.MidiToSound(62), 678),
), 123)
}
func SampleConcat() s.Sound {
// Includes: TimedSound and MidiToSound
return s.ConcatSounds(
s.NewTimedSound(u.MidiToSound(72), 400),
s.NewTimedSound(u.MidiToSound(74), 400),
s.NewTimedSound(u.MidiToSound(76), 400),
s.NewTimedSound(u.MidiToSound(60), 400),
s.NewTimedSound(u.MidiToSound(67), 1200),
)
}
func SampleNormalSum() s.Sound {
// Includes: TimedSound and MidiToSound
return s.SumSounds(
s.NewTimedSound(u.MidiToSound(55), 333),
s.NewTimedSound(u.MidiToSound(59), 333),
s.NewTimedSound(u.MidiToSound(62), 333),
s.NewTimedSound(u.MidiToSound(65), 333),
s.NewTimedSound(u.MidiToSound(67), 333),
)
}
func SampleRepeater() s.Sound {
// Includes: Concat, TimedSound and MidiToSound
return s.RepeatSound(s.ConcatSounds(
s.NewTimedSound(u.MidiToSound(50), 400),
s.NewTimedSound(u.MidiToSound(45), 400),
s.NewTimedSound(u.MidiToSound(47), 400),
s.NewTimedSound(u.MidiToSound(42), 400),
s.NewTimedSound(u.MidiToSound(43), 400),
s.NewTimedSound(u.MidiToSound(38), 400),
s.NewTimedSound(u.MidiToSound(43), 400),
s.NewTimedSound(u.MidiToSound(45), 400),
), 3)
}
// Converts a treble note offset to a midi offset
func noteTMidi(note float64, quaverCount float64) s.Sound {
// NOTE: Only [-8, 8] allowed for 'note'.
bFloat, sharp := math.Modf(note)
base := int(bFloat)
if sharp < 0 {
sharp += 1.0
base--
}
// 0 = B = offset 8
midi := trebleMidi[base+8] + trebleKeys[base+8]
if sharp > 0.1 {
midi++
}
midiToSound := s.NewTimedSound(util.MidiToSound(midi), quaverCount*q)
return s.NewADSREnvelope(midiToSound, 15, 50, 0.5, 20)
}