(
  s.boot;
)

(
  FreqScope.new;
)

(
  {SinOsc.ar(440, 0, 0.1)}.scope
)

(
  {SinOsc.ar(440, 0, Line.kr(0.1, 0.0, 1.0))}.scope
)

(
  {SinOsc.ar(440, 0, Line.kr(0.1, 0, 1, doneAction: 2))}.scope
)

(
  Env([1, 0, 1], [1, 1]).plot
)

(
  Env([0, 1, 0], [1.0, 0.5]).plot
)

(
  Env.linen(0.03, 0.5, 0.1).plot
)

(
  Env.adsr(0.01, 0.5, 0.5, 0.1, 1.0, 0).plot
)

(
  Env.perc(0.05, 0.5, 1.0, 0).plot
)

(
  Env([1, 0], [1.0]).plot
)

(
  {EnvGen.ar(Env([1, 0], [1.0]))}.scope
)

(
  {SinOsc.ar(440, 0, 0.1) * EnvGen.kr(Env([1, 0], [1.0]))}.scope
)

(
  Env([1000, 20], [1.0]).plot
)

(
  {Saw.ar(EnvGen.ar(Env([1000, 20], [1.0])), 0.1)}.scope
)

(
  {
    Saw.ar(
      EnvGen.ar(Env([1000, 20], [0.5])),
      EnvGen.ar(Env([0.1, 0], [2.0]))
    )
  }.scope
)

(
  {
    Saw.ar(
      EnvGen.kr(Env([1000, 20], [0.5])),
      EnvGen.kr(Env([0.1, 0], [2.0]))
    )
  }.play
)

(
  {
    SinOsc.ar(
      SinOsc.ar(10, 0, 10, 440),
      0.0,
      EnvGen.kr(Env([0.5, 0.0], [1.0]), doneAction: 2)
    )
  }.scope
)

(
  {
    Saw.ar(
      EnvGen.kr(Env([500, 100], [1.0]), doneAction: 2),
      0.1
    )
  }.scope
)

(
  {
    Saw.ar(
      SinOsc.ar(1, 0, 10, 440),
      Line.kr(0, 1, 1, doneAction: 2)
    )
  }.scope
)

(
  {
    Saw.ar(
      SinOsc.ar(1, 0, 10, 440),
      XLine.kr(0.0001, 1, 1, doneAction: 2)
    )
  }.scope
)

(
  {
    EnvGen.ar(
      Env([0, 0.1, 0], [0.1, 0.9]), doneAction: 2
    ) * SinOsc.ar(330)
  }.scope
)

(
  a = {
    EnvGen.ar(
      Env.asr(0.1, 0.1, 1.0), doneAction: 2
    ) * SinOsc.ar(330)
  }.play
)

(
  a.release(2.0);
)

(
  a = {
    arg gate=1;

    EnvGen.ar(
      Env.asr(0.1, 0.1, 0.9), gate, doneAction: 2
    ) * SinOsc.ar(330)
  }.play
)

(
  a.set(\gate, 0)
)

(
  e = Env([0.2, 1.0, 0.0], [0.1, 3.0], 0, 1);

  a = {
    arg gate=1;

    EnvGen.ar(
      e, gate, doneAction: 2
    ) * SinOsc.ar(550, 0, 0.1)
  }.play
)

(
  a.set(\gate, 0);
)

(
  e = Env([0.0, 0.0, 1.0, 0.0], [0.5, 1.0, 2.0], 0, 2, 0);

  a = {
    arg gate=1;

    EnvGen.ar(
      e, gate, doneAction: 2
    ) * SinOsc.ar(550, 0, 0.1)
  }.play
)

(
  a.set(\gate, 0);
)

(
  e = Env(
    [0.0, 1.0, -1.0, 0.0],
    [0.01, 0.01, 2.0],
    0,
    2, // releaseNode
    0 // loopNode
  );

  e.plot;

  a = {
    arg gate=1;

    EnvGen.ar(
      e, gate, timeScale: MouseX.kr(0.1, 2.0), doneAction: 2
    )
  }.play
)

(
  a.set(\gate, 0);
)