this.attackTarget = new ParameterizedAction(params => {
let createEnvelope = voices[params.voice].attackTarget.createEnvelope;
if (params.is_attack === 'asdr') {
let dur = params.dur.subd * params.dur.clock.beatLength,
sus_len = dur - (attackAsdr.attack.duration + attackAsdr.decay.duration +
attackAsdr.release.duration);
createEnvelope(attackAsdr.getASDR(sus_len));
} else if (params.is_attack) {
createEnvelope(attackAsdr.getAS());
} else {
createEnvelope(attackAsdr.getDR());
}
});
constructor(max_voices, partials_per_voice, q_value)
{
super();
let m_voices = max_voices ? max_voices : 10,
partials = partials_per_voice >= 0 ? partials_per_voice : 10,
q = q_value >= 0 ? q_value : 250;
let atten = audioNodes.Gain(),
sigOut = audioNodes.Gain();
atten.link(sigOut);
this.gain = sigOut.gain;
this._link_alias_out = sigOut;
// noise driver
let noise = new Noise();
moduleExtensions.startStopThese(this, noise);
let voices = [];
for (let i = 0; i < m_voices; i++) {
let v = new OrganVoice(partials, q);
noise.link(v).link(atten);
voices.push(v);
}
// action to change pitch of individual voices
// the form of the pitchTarget paramObj is:
// {
// voice: {number} - idx of voice
// frequency: {number} - freq of indicated voice
// }
this.pitchTarget = new ParameterizedAction((params) =>
voices[params.voice].setFrequency(params.frequency)
);
let ptargEnv = new envelopeCore.Envelope();
ptargEnv.duration = 25;
ptargEnv.interpolationType = "none";
this.pitchTarget.createEnvelope = (params) => {
ptargEnv.valueSequence = new envelopeCore.EnvelopeValue(params, 0);
return ptargEnv.toAbsolute();
};
let attackAsdr = new envelopeAsdr.Generator({
a: {
dur: 200,
inter: {type: 'exponential'},
val: [0.01, 0, 1, 99]
},
s: {
dur: 100,
val: 1
},
d: {
dur: 50,
inter: {type: 'linear'},
val: [1, 0, 0.7, 99]
},
r: {
dur: 50,
inter: {type: 'linear'},
val: [0.7, 0, 0.5, 99]
}
});
// the form of the attackTarget paramObj is:
//
// {
// isAttack: {boolean | String} true for attack, false for release,
// 'asdr' for full envelope
// voices: [array of voice idxs to trigger]
// dur: {
// subd: if 'asdr', provide duration
// clock: clock ref
// }
// }
this.attackTarget = new ParameterizedAction(params => {
let createEnvelope = voices[params.voice].attackTarget.createEnvelope;
if (params.is_attack === 'asdr') {
let dur = params.dur.subd * params.dur.clock.beatLength,
sus_len = dur - (attackAsdr.attack.duration + attackAsdr.decay.duration +
attackAsdr.release.duration);
createEnvelope(attackAsdr.getASDR(sus_len));
} else if (params.is_attack) {
createEnvelope(attackAsdr.getAS());
} else {
createEnvelope(attackAsdr.getDR());
}
});
let atargEnv = new envelopeCore.Envelope();
atargEnv.duration = 50;
atargEnv.interpolationType = 'none';
this.attackTarget.createEnvelope = params => {
atargEnv.valueSequence = new envelopeCore.EnvelopeValue(params, 0);
return atargEnv.toAbsolute();
};
}