public FMVoice(string name, FMSynthesizer parent)
{
Name = name;
p = parent.UI;
eg = new EnvelopeGenerator(name);
eg.Attack = p.Attack1;
eg.Decay = p.Decay1;
eg.Sustain = p.Sustain1;
eg.Release = p.Release1;
eg2 = new EnvelopeGenerator(name);
eg2.Attack = p.Attack2;
eg2.Decay = p.Decay2;
eg2.Sustain = p.Sustain2;
eg2.Release = p.Release2;
table = new float[Settings.SampleRate / 220];
for (int i = 0; i < table.Length; i++)
{
table[i] = Mathf.Sin(TWO_PI * ((float)i / (float)(table.Length - 1))) * .8f;// + (Mathf.Pow( UnityEngine.Random.Range(0,1), 5 )*2-1);
//Debug.Log(table[i]);
}
index = 0;
}
public Oscillator(int sampleRate, int channels) : base(sampleRate, channels)
{
_amplitudeEnvelope = new EnvelopeGenerator();
_lfo = new LFO();
_isPlaying = false;
Attack = .001f;
Decay = 0;
Sustain = 1;
Release = .001f;
Amplitude = 1;
_tuning = 440;
_note = 49;
Frequency = 440;
LFOAmplitude = 0;
LFOFrequency = 1;
Function = x => (float)Math.Sin(2 * Math.PI * x);
LFOFunction = x => (float)Math.Sin(2 * Math.PI * x);
_phase = 0;
_lfoPhase = 0;
}
public Voice()
{
wave_zero = 0x380;
voice_DC = 0x800 * 0xff;
Envelope = new EnvelopeGenerator();
Wave = new WaveformGenerator();
}
public Voice()
{
wave_zero = 0x380;
voice_DC = 0x800 * 0xff;
Envelope = new EnvelopeGenerator();
Wave = new WaveformGenerator();
}
public AdsrSampleProvider(ISampleProvider source, float Attack, float Decay, float Sustain, float Release)
{
this.source = source;
adsr = new EnvelopeGenerator();
adsr.AttackRate = Attack * WaveFormat.SampleRate;
adsr.SustainLevel = Sustain;
adsr.DecayRate = Decay * WaveFormat.SampleRate;
adsr.ReleaseRate = Release * WaveFormat.SampleRate;
adsr.Gate(true);
}
public AdsrSampleProvider(ISampleProvider source)
{
this.source = source;
adsr = new EnvelopeGenerator();
adsr.AttackRate = attack * WaveFormat.SampleRate;
adsr.SustainLevel = sustain;
adsr.DecayRate = decay * WaveFormat.SampleRate;
adsr.ReleaseRate = release * WaveFormat.SampleRate;
adsr.Gate(true);
}
public AdsrSampleProvider(ISampleProvider source)
{
if (source.WaveFormat.Channels > 1)
{
throw new ArgumentException("Currently only supports mono inputs");
}
this.source = source;
this.adsr = new EnvelopeGenerator();
this.AttackSeconds = 0.01f;
this.adsr.SustainLevel = 1f;
this.adsr.DecayRate = 0f * (float)this.WaveFormat.SampleRate;
this.ReleaseSeconds = 0.3f;
this.adsr.Gate(true);
}
public FilteredOscillator(int sampleRate) : base(sampleRate, 2)
{
_filter = new BiQuadFilter(sampleRate);
FilterCutoff = 1000;
FilterEnvelopeOctaves = 0;
_filterEnvelope = new EnvelopeGenerator();
FilterAttack = .001f;
FilterDecay = 2;
FilterSustain = 0;
FilterRelease = .001f;
FilterLevel = 0;
}
public ADSRSignalGenerator(int sampleRate, int channel)
{
phi = 0;
waveFormat = WaveFormat.CreateIeeeFloatWaveFormat(sampleRate, channel);
// Default
Type = SignalGeneratorType.Sin;
Frequency = 440.0;
Gain = 1;
PhaseReverse = new bool[channel];
SweepLengthSecs = 2;
env = new EnvelopeGenerator();
env.AttackRate = 0f;
env.DecayRate = 0f;
env.SustainLevel = .8f;
env.ReleaseRate = 0f;
}
void DrawEnvelope(EnvelopeGenerator env)
{
var rect = GUILayoutUtility.GetRect(128, 64);
// background
_rectVertices[0] = new Vector3(rect.x, rect.y);
_rectVertices[1] = new Vector3(rect.xMax, rect.y);
_rectVertices[2] = new Vector3(rect.xMax, rect.yMax);
_rectVertices[3] = new Vector3(rect.x, rect.yMax);
Handles.DrawSolidRectangleWithOutline(
_rectVertices, Color.white * 0.1f, Color.clear);
// constants
const int div = _vertexPerSegment;
var gated = (env.signalMode == EnvelopeGenerator.InputMode.Gate);
// segment lengths
var Ta = env.attackTime;
var Td = gated ? env.decayTime : 0.0f;
var Ts = gated ? 0.2f : 0.0f;
var Tr = env.releaseTime;
// origin
var vc = 0;
_lineVertices[vc++] = PointInRect(rect, 0, 0);
// attack
for (var i = 1; i < div; i++)
{
var x = Mathf.Min(Ta * i / div, 1.0f);
var y = env.GetLevelAtTime(x, Ta + Td + Ts);
_lineVertices[vc++] = PointInRect(rect, x, y);
}
// decay
if (gated)
{
for (var i = 0; i < div + 1; i++)
{
var x = Mathf.Min(Ta + Td * i / div, 1.0f);
var y = env.GetLevelAtTime(x, Ta + Td + Ts);
_lineVertices[vc++] = PointInRect(rect, x, y);
if (x == 1.0f) break;
}
}
// release
if (Ta + Td + Ts <= 1)
{
for (var i = 0; i < div + 1; i++)
{
var x = Mathf.Min(Ta + Td + Ts + Tr * i / div, 1.0f);
var y = env.GetLevelAtTime(x, Ta + Td + Ts);
_lineVertices[vc++] = PointInRect(rect, x, y);
if (x == 1.0f) break;
}
// zero flat line
if (Ta + Td + Ts + Tr < 1)
_lineVertices[vc++] = PointInRect(rect, 1, 0);
}
else if (Ta + Td < 1)
{
// sustain level flat line
var y = env.GetLevelAtTime(1, Ta + Td + Ts);
_lineVertices[vc++] = PointInRect(rect, 1, y);
}
// draw the line
Handles.DrawAAPolyLine(2.0f, vc, _lineVertices);
}
public Func <Time, double> TriggerOff() => Envelope = EnvelopeGenerator.Mute();
public Func <Time, double> TriggerOn() => Envelope = EnvelopeGenerator.Sustain(SustainLevel());
/// <summary> /// Trigger an automatic ADSR cycle of the envelope modulation. /// </summary> /// <param name="t0">Start time</param> /// <returns></returns> public Func <Time, double> TriggerADSR() => Envelope = EnvelopeGenerator.TriggerADSR(VoiceOutput.Time, VoiceOutput.Envelope, Attack(), Decay(), SustainLevel(), SustainDuration(), Release());
/// <summary> /// Trigger the release phase of the envelope modulation. /// </summary> /// <param name="t0">Start time</param> /// <returns></returns> public Func <Time, double> TriggerRelease() => Envelope = EnvelopeGenerator.TriggerRelease(VoiceOutput.Time, VoiceOutput.Envelope, SustainLevel(), Release());
/// <summary> /// Trigger the attack, decay, sustain phases of the envelope modulation. /// </summary> /// <param name="t0">Start time</param> /// <returns></returns> public Func <Time, double> TriggerAttack() => Envelope = EnvelopeGenerator.TriggerAttack(VoiceOutput.Time, VoiceOutput.Envelope, Attack(), Decay(), SustainLevel());
