Esempio n. 1
0
File: key.go Progetto: dskinner/snd
func NewBeatsKey(idx int) Key {
	osc := snd.NewOscil(sawsine, notes[idx], snd.NewOscil(triangle, 4, nil))
	dmp := snd.NewDamp(bpm.Dur(), osc)
	d := snd.BPM(float64(bpm) * 1.25).Dur()
	dmp1 := snd.NewDamp(d, osc)
	drv := snd.NewDrive(d, osc)
	mix := snd.NewMixer(dmp, dmp1, drv)

	frz := snd.NewFreeze(bpm.Dur()*4, mix)

	adsr := snd.NewADSR(250*ms, 500*ms, 300*ms, 400*ms, 0.85, 1.0, frz)
	key := &BeatsKey{snd.NewInstrument(adsr), adsr}
	key.Off()
	return key
}
Esempio n. 2
0
File: key.go Progetto: dskinner/snd
	sqsine   = snd.SquareSynthesis(49)
	sine     = snd.Sine()
	triangle = snd.Triangle()
	notes    = snd.EqualTempermant(12, 440, 48)

	keys       [12]Key
	reverb     snd.Sound
	metronome  snd.Sound
	loop       *snd.Loop
	lowpass    *snd.LowPass
	keymix     *snd.Mixer
	keygain    *snd.Gain
	master     *snd.Mixer
	mastergain *snd.Gain

	bpm     = snd.BPM(80)
	loopdur = snd.Dtof(bpm.Dur(), snd.DefaultSampleRate) * 8 //nframes

	sndbank    = []KeyFunc{NewPianoKey, NewWobbleKey, NewBeatsKey}
	sndbankpos = 0

	ms = time.Millisecond
)

func makekeys() {
	keymix.Empty()
	for i := range keys {
		keys[i] = sndbank[sndbankpos](51 + i) // notes[51] is Major C
		keys[i].Freeze()
		keymix.Append(keys[i])
	}