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alex 2022-01-26 23:47:39 +00:00
parent 38cae8c905
commit b62571f9aa
1 changed files with 48 additions and 39 deletions
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87
js/strudel.mjs
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@ -340,7 +340,7 @@ class Pattern {
return this._opleft(other, a => b => Object.assign({}, a, b))
}
_bind_whole(choose_whole, func) {
_bindWhole(choose_whole, func) {
var pat_val = this
var query = function(span) {
var withWhole = function(a, b) {
@ -363,7 +363,7 @@ class Pattern {
}
return a.intersection_e(b)
}
return this._bind_whole(whole_func, func)
return this._bindWhole(whole_func, func)
}
join() {
@ -372,24 +372,24 @@ class Pattern {
return this.bind(id)
}
inner_bind(func) {
return this._bind_whole((a, _) => a, func)
innerBind(func) {
return this._bindWhole((a, _) => a, func)
}
inner_join() {
innerJoin() {
// Flattens a pattern of patterns into a pattern, where wholes are
// taken from inner events.
return this.inner_bind(id)
return this.innerBind(id)
}
outer_bind(func) {
return this._bind_whole((_, b) => b, func)
outerBind(func) {
return this._bindWhole((_, b) => b, func)
}
outer_join() {
outerJoin() {
// Flattens a pattern of patterns into a pattern, where wholes are
// taken from inner events.
return this.outer_bind(id)
return this.outerBind(id)
}
// def _patternify(method):
@ -431,39 +431,48 @@ class Pattern {
return stack(with_pat, without_pat)
}
// def off(self, time_pat, func):
// return stack(self, self.early(time_pat))
off(time_pat, func) {
return stack(this, func(this.early(time_pat)))
}
// def every(self, n, func):
// pats = [func(self)] + ([self] * (n-1))
// return slowcat(*pats)
// def append(self, other):
// return fastcat(self,other)
every(n, func) {
pats = Array(n-1).fill(this)
pats.unshift(this)
return slowcat(pats)
}
// def rev(self):
// def query(span):
// cycle = span.begin.sam()
// next_cycle = span.begin.next_sam()
// def reflect(to_reflect):
// reflected = to_reflect.with_time(lambda time: cycle + (next_cycle - time))
// (reflected.begin, reflected.end) = (reflected.end, reflected.begin)
// return reflected
// events = self.query(reflect(span))
// return [event.with_span(reflect) for event in events]
// return Pattern(query).split_queries()
append(other) {
return fastcat([this, other])
}
// def jux(self, func, by=1):
// by = by / 2
// def elem_or(dict, key, default):
// if key in dict:
// return dict[key]
// return default
// left = self.with_value(lambda val: dict(list(val.items()) + [("pan", elem_or(val, "pan", 0.5) - by)]))
// right = self.with_value(lambda val: dict(list(val.items()) + [("pan", elem_or(val, "pan", 0.5) + by)]))
rev() {
var query = function(span) {
var cycle = span.begin.sam()
var next_cycle = span.begin.nextSam()
var reflect = function(to_reflect) {
var reflected = to_reflect.withTime(time => cycle + (next_cycle - time))
[reflected.begin, reflected.end] = [reflected.end, reflected.begin]
return reflected
}
var haps = this.query(reflect(span))
return haps.map(hap => hap.with_span(reflect))
}
return Pattern(query).split_queries()
}
// return stack(left,func(right))
// jux(func, by=1) {
// by /= 2
// var elem_or = function(dict, key, dflt) {
// if (key in dict) {
// return dict[key]
// }
// return dflt
// }
// var left = this.withValue(val => {...a, pan: elem_or(val, "pan", 0.5) - by})
// var right = this.withValue(val => {...a, pan: elem_or(val, "pan", 0.5) + by})
// return stack(left,func(right))
// }
// def first_cycle(self):
// return self.query(TimeSpan(Fraction(0), Fraction(1)))