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add delta

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alex 2025-12-11 23:32:10 +00:00
parent 3608f1ca25
commit c6e0f0533e
2 changed files with 62 additions and 0 deletions
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9
packages/core/signal.mjs
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@ -882,3 +882,12 @@ export const whenKey = register('whenKey', function (input, func, pat) {
export const keyDown = register('keyDown', function (pat) {
return pat.fmap(_keyDown);
});
/**
* A pattern that gives the duration of events that are combined with it.
* @example
* sound("bd sd [bd bd] sd*4 [- sd] [bd [bd bd]]").note(delta.withValue(x => 1/x + 20))
*/
export const delta = new Pattern(function (state) {
return [new Hap(undefined, state.span, state.span.duration)];
});