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Make pattern a function of state, not just time.

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alex
2022-02-23 20:18:03 +00:00
parent d3dce4c662
commit a9a4cd2f5c
2 changed files with 62 additions and 36 deletions
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test/pattern.test.mjs
+6 -5
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@@ -2,11 +2,12 @@ import Fraction from 'fraction.js'
import { strict as assert } from 'assert';
import {TimeSpan, Hap, Pattern, pure, stack, fastcat, slowcat, cat, sequence, polyrhythm, silence, fast, timeCat,add,sub,mul,div} from "../strudel.mjs";
import {TimeSpan, Hap, Pattern, pure, stack, fastcat, slowcat, cat, sequence, polyrhythm, silence, fast, timeCat,add,sub,mul,div, State} from "../strudel.mjs";
//import { Time } from 'tone';
import pkg from 'tone';
const { Time } = pkg;
const st = (begin, end) => new State(ts(begin, end))
const ts = (begin, end) => new TimeSpan(Fraction(begin), Fraction(end));
const hap = (whole, part, value) => new Hap(whole, part, value)
@@ -62,7 +63,7 @@ describe('Hap', function() {
describe('Pattern', function() {
describe('pure', function () {
it('Can make a pattern', function() {
assert.equal(pure("hello").query(new TimeSpan(Fraction(0.5), Fraction(2.5))).length, 3)
assert.equal(pure("hello").query(st(0.5, 2.5)).length, 3)
})
})
describe('fmap()', function () {
@@ -72,12 +73,12 @@ describe('Pattern', function() {
})
describe('add()', function () {
it('Can add things', function() {
assert.equal(pure(3).add(pure(4)).query(new TimeSpan(Fraction(0), Fraction(1)))[0].value, 7)
assert.equal(pure(3).add(pure(4)).query(st(0,1))[0].value, 7)
})
})
describe('sub()', function () {
it('Can subtract things', function() {
assert.equal(pure(3).sub(pure(4)).query(new TimeSpan(Fraction(0), Fraction(1)))[0].value, -1)
assert.equal(pure(3).sub(pure(4)).query(st(0,1))[0].value, -1)
})
})
describe('union()', function () {
@@ -155,7 +156,7 @@ describe('Pattern', function() {
const pat = sequence(pure('c3'), pure('eb3')._slow(2)); // => try mini('c3 eb3/2') in repl
assert.deepStrictEqual(
pat.query(ts(0,1))[1],
pat.query(st(0,1))[1],
hap(ts(0.5,1.5), ts(1/2,1), "eb3")
)
// the following test fails