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slice and splice (#466)

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Implements `slice` and `splice` from tidal, intended for beat slicing
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Alex McLean 2023-02-22 11:51:31 +00:00 • committed by GitHub
parent fdb76867a7
commit 7c367eb1e8
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3 changed files with 178 additions and 24 deletions
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27
packages/core/test/pattern.test.mjs
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@ -47,6 +47,7 @@ import {
run,
hitch,
set,
begin,
} from '../index.mjs';
import { steady } from '../signal.mjs';
@ -986,4 +987,30 @@ describe('Pattern', () => {
sameFirst(n(0, 1).weave(2, s('bd', silence), s(silence, 'sd')), sequence(s('bd').n(0), s('sd').n(1)));
});
});
describe('slice', () => {
it('Can slice a sample', () => {
sameFirst(
s('break').slice(4, sequence(0, 1, 2, 3)),
sequence(
{ begin: 0, end: 0.25, s: 'break', _slices: 4 },
{ begin: 0.25, end: 0.5, s: 'break', _slices: 4 },
{ begin: 0.5, end: 0.75, s: 'break', _slices: 4 },
{ begin: 0.75, end: 1, s: 'break', _slices: 4 },
),
);
});
});
describe('splice', () => {
it('Can splice a sample', () => {
sameFirst(
s('break').splice(4, sequence(0, 1, 2, 3)),
sequence(
{ begin: 0, end: 0.25, s: 'break', _slices: 4, unit: 'c', speed: 1 },
{ begin: 0.25, end: 0.5, s: 'break', _slices: 4, unit: 'c', speed: 1 },
{ begin: 0.5, end: 0.75, s: 'break', _slices: 4, unit: 'c', speed: 1 },
{ begin: 0.75, end: 1, s: 'break', _slices: 4, unit: 'c', speed: 1 },
),
);
});
});
});