mirror of
https://github.com/eliasstepanik/strudel.git
synced 2026-01-11 05:38:35 +00:00
Fixes inverted triangle wave by renaming it to itri, making non-inverted tri (#1283)
* add itri / itri2 .. but should tri and itri be swapped?? * swap tri/tri2 with itri/itri2. Add some basic docs for bipolar signals
This commit is contained in:
Alex McLean
GitHub
parent
84581b22aa
commit
aabc82bedd
@ -20,9 +20,6 @@ export const signal = (func) => {
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return new Pattern(query);
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};
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export const isaw = signal((t) => 1 - (t % 1));
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export const isaw2 = isaw.toBipolar();
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/**
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* A sawtooth signal between 0 and 1.
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*
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@ -36,8 +33,40 @@ export const isaw2 = isaw.toBipolar();
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*
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*/
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export const saw = signal((t) => t % 1);
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/**
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* A sawtooth signal between -1 and 1 (like `saw`, but bipolar).
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*
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* @return {Pattern}
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*/
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export const saw2 = saw.toBipolar();
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/**
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* A sawtooth signal between 1 and 0 (like `saw`, but flipped).
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*
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* @return {Pattern}
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* @example
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* note("<c3 [eb3,g3] g2 [g3,bb3]>*8")
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* .clip(isaw.slow(2))
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* @example
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* n(isaw.range(0,8).segment(8))
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* .scale('C major')
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*
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*/
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export const isaw = signal((t) => 1 - (t % 1));
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/**
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* A sawtooth signal between 1 and -1 (like `saw2`, but flipped).
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*
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* @return {Pattern}
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*/
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export const isaw2 = isaw.toBipolar();
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/**
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* A sine signal between -1 and 1 (like `sine`, but bipolar).
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*
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* @return {Pattern}
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*/
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export const sine2 = signal((t) => Math.sin(Math.PI * 2 * t));
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/**
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@ -61,6 +90,12 @@ export const sine = sine2.fromBipolar();
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*
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*/
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export const cosine = sine._early(Fraction(1).div(4));
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/**
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* A cosine signal between -1 and 1 (like `cosine`, but bipolar).
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*
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* @return {Pattern}
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*/
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export const cosine2 = sine2._early(Fraction(1).div(4));
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/**
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@ -72,6 +107,12 @@ export const cosine2 = sine2._early(Fraction(1).div(4));
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*
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*/
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export const square = signal((t) => Math.floor((t * 2) % 2));
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/**
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* A square signal between -1 and 1 (like `square`, but bipolar).
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*
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* @return {Pattern}
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*/
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export const square2 = square.toBipolar();
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/**
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@ -82,9 +123,37 @@ export const square2 = square.toBipolar();
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* n(tri.segment(8).range(0,7)).scale("C:minor")
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*
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*/
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export const tri = fastcat(isaw, saw);
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export const tri2 = fastcat(isaw2, saw2);
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export const tri = fastcat(saw, isaw);
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/**
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* A triangle signal between -1 and 1 (like `tri`, but bipolar).
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*
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* @return {Pattern}
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*/
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export const tri2 = fastcat(saw2, isaw2);
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/**
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* An inverted triangle signal between 1 and 0 (like `tri`, but flipped).
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*
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* @return {Pattern}
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* @example
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* n(itri.segment(8).range(0,7)).scale("C:minor")
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*
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*/
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export const itri = fastcat(isaw, saw);
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/**
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* An inverted triangle signal between -1 and 1 (like `itri`, but bipolar).
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*
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* @return {Pattern}
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*/
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export const itri2 = fastcat(isaw2, saw2);
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/**
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* A signal representing the cycle time.
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*
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* @return {Pattern}
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*/
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export const time = signal(id);
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/**
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@ -4261,6 +4261,96 @@ exports[`runs examples > example "iresponse" example index 0 1`] = `
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]
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`;
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exports[`runs examples > example "isaw" example index 0 1`] = `
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[
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"[ 0/1 → 1/8 | note:c3 clip:1 ]",
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"[ 1/8 → 1/4 | note:eb3 clip:0.9375 ]",
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"[ 1/8 → 1/4 | note:g3 clip:0.9375 ]",
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"[ 1/4 → 3/8 | note:g2 clip:0.875 ]",
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"[ 3/8 → 1/2 | note:g3 clip:0.8125 ]",
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"[ 3/8 → 1/2 | note:bb3 clip:0.8125 ]",
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"[ 1/2 → 5/8 | note:c3 clip:0.75 ]",
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"[ 5/8 → 3/4 | note:eb3 clip:0.6875 ]",
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"[ 5/8 → 3/4 | note:g3 clip:0.6875 ]",
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"[ 3/4 → 7/8 | note:g2 clip:0.625 ]",
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"[ 7/8 → 1/1 | note:g3 clip:0.5625 ]",
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"[ 7/8 → 1/1 | note:bb3 clip:0.5625 ]",
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"[ 1/1 → 9/8 | note:c3 clip:0.5 ]",
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"[ 9/8 → 5/4 | note:eb3 clip:0.4375 ]",
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"[ 9/8 → 5/4 | note:g3 clip:0.4375 ]",
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"[ 5/4 → 11/8 | note:g2 clip:0.375 ]",
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"[ 11/8 → 3/2 | note:g3 clip:0.3125 ]",
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"[ 11/8 → 3/2 | note:bb3 clip:0.3125 ]",
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"[ 3/2 → 13/8 | note:c3 clip:0.25 ]",
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"[ 13/8 → 7/4 | note:eb3 clip:0.1875 ]",
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"[ 13/8 → 7/4 | note:g3 clip:0.1875 ]",
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"[ 7/4 → 15/8 | note:g2 clip:0.125 ]",
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"[ 15/8 → 2/1 | note:g3 clip:0.0625 ]",
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"[ 15/8 → 2/1 | note:bb3 clip:0.0625 ]",
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"[ 2/1 → 17/8 | note:c3 clip:1 ]",
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"[ 17/8 → 9/4 | note:eb3 clip:0.9375 ]",
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"[ 17/8 → 9/4 | note:g3 clip:0.9375 ]",
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"[ 9/4 → 19/8 | note:g2 clip:0.875 ]",
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"[ 19/8 → 5/2 | note:g3 clip:0.8125 ]",
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"[ 19/8 → 5/2 | note:bb3 clip:0.8125 ]",
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"[ 5/2 → 21/8 | note:c3 clip:0.75 ]",
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"[ 21/8 → 11/4 | note:eb3 clip:0.6875 ]",
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"[ 21/8 → 11/4 | note:g3 clip:0.6875 ]",
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"[ 11/4 → 23/8 | note:g2 clip:0.625 ]",
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"[ 23/8 → 3/1 | note:g3 clip:0.5625 ]",
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"[ 23/8 → 3/1 | note:bb3 clip:0.5625 ]",
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"[ 3/1 → 25/8 | note:c3 clip:0.5 ]",
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"[ 25/8 → 13/4 | note:eb3 clip:0.4375 ]",
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"[ 25/8 → 13/4 | note:g3 clip:0.4375 ]",
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"[ 13/4 → 27/8 | note:g2 clip:0.375 ]",
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"[ 27/8 → 7/2 | note:g3 clip:0.3125 ]",
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"[ 27/8 → 7/2 | note:bb3 clip:0.3125 ]",
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"[ 7/2 → 29/8 | note:c3 clip:0.25 ]",
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"[ 29/8 → 15/4 | note:eb3 clip:0.1875 ]",
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"[ 29/8 → 15/4 | note:g3 clip:0.1875 ]",
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"[ 15/4 → 31/8 | note:g2 clip:0.125 ]",
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"[ 31/8 → 4/1 | note:g3 clip:0.0625 ]",
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"[ 31/8 → 4/1 | note:bb3 clip:0.0625 ]",
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]
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`;
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exports[`runs examples > example "isaw" example index 1 1`] = `
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[
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"[ 0/1 → 1/8 | note:D4 ]",
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"[ 1/8 → 1/4 | note:C4 ]",
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"[ 1/4 → 3/8 | note:B3 ]",
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"[ 3/8 → 1/2 | note:A3 ]",
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"[ 1/2 → 5/8 | note:G3 ]",
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"[ 5/8 → 3/4 | note:F3 ]",
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"[ 3/4 → 7/8 | note:E3 ]",
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"[ 7/8 → 1/1 | note:D3 ]",
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"[ 1/1 → 9/8 | note:D4 ]",
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"[ 9/8 → 5/4 | note:C4 ]",
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"[ 5/4 → 11/8 | note:B3 ]",
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"[ 11/8 → 3/2 | note:A3 ]",
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"[ 3/2 → 13/8 | note:G3 ]",
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"[ 13/8 → 7/4 | note:F3 ]",
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"[ 7/4 → 15/8 | note:E3 ]",
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"[ 15/8 → 2/1 | note:D3 ]",
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"[ 2/1 → 17/8 | note:D4 ]",
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"[ 17/8 → 9/4 | note:C4 ]",
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"[ 9/4 → 19/8 | note:B3 ]",
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"[ 19/8 → 5/2 | note:A3 ]",
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"[ 5/2 → 21/8 | note:G3 ]",
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"[ 21/8 → 11/4 | note:F3 ]",
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"[ 11/4 → 23/8 | note:E3 ]",
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"[ 23/8 → 3/1 | note:D3 ]",
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"[ 3/1 → 25/8 | note:D4 ]",
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"[ 25/8 → 13/4 | note:C4 ]",
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"[ 13/4 → 27/8 | note:B3 ]",
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"[ 27/8 → 7/2 | note:A3 ]",
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"[ 7/2 → 29/8 | note:G3 ]",
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"[ 29/8 → 15/4 | note:F3 ]",
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"[ 15/4 → 31/8 | note:E3 ]",
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"[ 31/8 → 4/1 | note:D3 ]",
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]
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`;
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exports[`runs examples > example "iter" example index 0 1`] = `
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[
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"[ 0/1 → 1/4 | note:A3 ]",
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@ -4303,6 +4393,43 @@ exports[`runs examples > example "iterBack" example index 0 1`] = `
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]
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`;
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exports[`runs examples > example "itri" example index 0 1`] = `
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[
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"[ 0/1 → 1/8 | note:C4 ]",
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"[ 1/8 → 1/4 | note:Bb3 ]",
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"[ 1/4 → 3/8 | note:G3 ]",
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"[ 3/8 → 1/2 | note:Eb3 ]",
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"[ 1/2 → 5/8 | note:C3 ]",
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"[ 5/8 → 3/4 | note:Eb3 ]",
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"[ 3/4 → 7/8 | note:G3 ]",
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"[ 7/8 → 1/1 | note:Bb3 ]",
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"[ 1/1 → 9/8 | note:C4 ]",
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"[ 9/8 → 5/4 | note:Bb3 ]",
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"[ 5/4 → 11/8 | note:G3 ]",
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"[ 11/8 → 3/2 | note:Eb3 ]",
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"[ 3/2 → 13/8 | note:C3 ]",
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"[ 13/8 → 7/4 | note:Eb3 ]",
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"[ 7/4 → 15/8 | note:G3 ]",
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"[ 15/8 → 2/1 | note:Bb3 ]",
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"[ 2/1 → 17/8 | note:C4 ]",
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"[ 17/8 → 9/4 | note:Bb3 ]",
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"[ 9/4 → 19/8 | note:G3 ]",
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"[ 19/8 → 5/2 | note:Eb3 ]",
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"[ 5/2 → 21/8 | note:C3 ]",
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"[ 21/8 → 11/4 | note:Eb3 ]",
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"[ 11/4 → 23/8 | note:G3 ]",
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"[ 23/8 → 3/1 | note:Bb3 ]",
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"[ 3/1 → 25/8 | note:C4 ]",
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"[ 25/8 → 13/4 | note:Bb3 ]",
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"[ 13/4 → 27/8 | note:G3 ]",
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"[ 27/8 → 7/2 | note:Eb3 ]",
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"[ 7/2 → 29/8 | note:C3 ]",
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"[ 29/8 → 15/4 | note:Eb3 ]",
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"[ 15/4 → 31/8 | note:G3 ]",
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"[ 31/8 → 4/1 | note:Bb3 ]",
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]
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`;
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exports[`runs examples > example "jux" example index 0 1`] = `
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[
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"[ 0/1 → 1/8 | s:bd pan:0 ]",
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@ -8999,38 +9126,38 @@ exports[`runs examples > example "transpose" example index 1 1`] = `
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exports[`runs examples > example "tri" example index 0 1`] = `
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[
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"[ 0/1 → 1/8 | note:C4 ]",
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"[ 1/8 → 1/4 | note:Bb3 ]",
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"[ 0/1 → 1/8 | note:C3 ]",
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"[ 1/8 → 1/4 | note:Eb3 ]",
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"[ 1/4 → 3/8 | note:G3 ]",
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"[ 3/8 → 1/2 | note:Eb3 ]",
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"[ 1/2 → 5/8 | note:C3 ]",
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"[ 5/8 → 3/4 | note:Eb3 ]",
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"[ 3/8 → 1/2 | note:Bb3 ]",
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"[ 1/2 → 5/8 | note:C4 ]",
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"[ 5/8 → 3/4 | note:Bb3 ]",
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"[ 3/4 → 7/8 | note:G3 ]",
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"[ 7/8 → 1/1 | note:Bb3 ]",
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"[ 1/1 → 9/8 | note:C4 ]",
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"[ 9/8 → 5/4 | note:Bb3 ]",
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"[ 7/8 → 1/1 | note:Eb3 ]",
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"[ 1/1 → 9/8 | note:C3 ]",
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"[ 9/8 → 5/4 | note:Eb3 ]",
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"[ 5/4 → 11/8 | note:G3 ]",
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"[ 11/8 → 3/2 | note:Eb3 ]",
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"[ 3/2 → 13/8 | note:C3 ]",
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"[ 13/8 → 7/4 | note:Eb3 ]",
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"[ 11/8 → 3/2 | note:Bb3 ]",
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"[ 3/2 → 13/8 | note:C4 ]",
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"[ 13/8 → 7/4 | note:Bb3 ]",
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"[ 7/4 → 15/8 | note:G3 ]",
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"[ 15/8 → 2/1 | note:Bb3 ]",
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"[ 2/1 → 17/8 | note:C4 ]",
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"[ 17/8 → 9/4 | note:Bb3 ]",
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"[ 15/8 → 2/1 | note:Eb3 ]",
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"[ 2/1 → 17/8 | note:C3 ]",
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"[ 17/8 → 9/4 | note:Eb3 ]",
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"[ 9/4 → 19/8 | note:G3 ]",
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"[ 19/8 → 5/2 | note:Eb3 ]",
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"[ 5/2 → 21/8 | note:C3 ]",
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"[ 21/8 → 11/4 | note:Eb3 ]",
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"[ 19/8 → 5/2 | note:Bb3 ]",
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"[ 5/2 → 21/8 | note:C4 ]",
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"[ 21/8 → 11/4 | note:Bb3 ]",
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"[ 11/4 → 23/8 | note:G3 ]",
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"[ 23/8 → 3/1 | note:Bb3 ]",
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"[ 3/1 → 25/8 | note:C4 ]",
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"[ 25/8 → 13/4 | note:Bb3 ]",
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"[ 23/8 → 3/1 | note:Eb3 ]",
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"[ 3/1 → 25/8 | note:C3 ]",
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"[ 25/8 → 13/4 | note:Eb3 ]",
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"[ 13/4 → 27/8 | note:G3 ]",
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"[ 27/8 → 7/2 | note:Eb3 ]",
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"[ 7/2 → 29/8 | note:C3 ]",
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"[ 29/8 → 15/4 | note:Eb3 ]",
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"[ 27/8 → 7/2 | note:Bb3 ]",
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"[ 7/2 → 29/8 | note:C4 ]",
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"[ 29/8 → 15/4 | note:Bb3 ]",
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"[ 15/4 → 31/8 | note:G3 ]",
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"[ 31/8 → 4/1 | note:Bb3 ]",
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"[ 31/8 → 4/1 | note:Eb3 ]",
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]
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`;
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