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compress

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This commit is contained in:
alex 2022-04-13 16:20:34 +01:00
parent 0df67fa920
commit ca4bffe5a1
1 changed files with 10 additions and 4 deletions
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14
packages/core/strudel.mjs
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@ -657,15 +657,17 @@ class Pattern {
return this.withQuerySpan(qf).withEventSpan(ef)._splitQueries(); return this.withQuerySpan(qf).withEventSpan(ef)._splitQueries();
} }
_compressSpan(span) { _compress(b, e) {
const b = span.begin;
const e = span.end;
if (b > e || b > 1 || e > 1 || b < 0 || e < 0) { if (b > e || b > 1 || e > 1 || b < 0 || e < 0) {
return silence; return silence;
} }
return this._fastGap(Fraction(1).div(e.sub(b)))._late(b); return this._fastGap(Fraction(1).div(e.sub(b)))._late(b);
} }
_compressSpan(span) {
return this._compress(span.begin, span.end);
}
_fast(factor) { _fast(factor) {
const fastQuery = this.withQueryTime((t) => t.mul(factor)); const fastQuery = this.withQueryTime((t) => t.mul(factor));
return fastQuery.withEventTime((t) => t.div(factor)); return fastQuery.withEventTime((t) => t.div(factor));
@ -1041,7 +1043,7 @@ function timeCat(...timepats) {
const pats = []; const pats = [];
for (const [time, pat] of timepats) { for (const [time, pat] of timepats) {
const end = begin.add(time); const end = begin.add(time);
pats.push(reify(pat)._compressSpan(new TimeSpan(begin.div(total), end.div(total)))); pats.push(reify(pat)._compress(begin.div(total), end.div(total)));
begin = end; begin = end;
} }
return stack(...pats); return stack(...pats);
@ -1201,6 +1203,10 @@ Pattern.prototype.zoom = function (...args) {
args = args.map(reify); args = args.map(reify);
return patternify2(Pattern.prototype._zoom)(...args, this); return patternify2(Pattern.prototype._zoom)(...args, this);
} }
Pattern.prototype.compress = function (...args) {
args = args.map(reify);
return patternify2(Pattern.prototype._compress)(...args, this);
}
// call this after all Patter.prototype.define calls have been executed! (right before evaluate) // call this after all Patter.prototype.define calls have been executed! (right before evaluate)
Pattern.prototype.bootstrap = function () { Pattern.prototype.bootstrap = function () {