now passing controls as string keymap

This commit is contained in:
Felix Roos 2022-12-02 11:38:47 +01:00
parent e4ee4211c8
commit e8fb7ee683
3 changed files with 66 additions and 5 deletions

View File

@ -16,10 +16,16 @@ Pattern.prototype._csound = function (instrument) {
logger('[csound] not loaded yet', 'warning');
return;
}
if (typeof hap.value !== 'object') {
throw new Error('csound only support objects as hap values');
}
let { gain = 0.8 } = hap.value;
gain *= 0.2;
const freq = getFrequency(hap);
const freq = Math.round(getFrequency(hap));
const controls = Object.entries({ ...hap.value, freq })
.flat()
.join('/');
// TODO: find out how to send a precise ctx based time
// http://www.csounds.com/manual/html/i.html
const params = [
@ -29,6 +35,7 @@ Pattern.prototype._csound = function (instrument) {
// instrument specific params:
freq, //.toFixed(precision), // p4: frequency
gain, // p5: gain
`"${controls}"`, // p6 controls as string (like superdirt osc message)
];
const msg = `i ${params.join(' ')}`;
_csound.inputMessage(msg);
@ -38,9 +45,12 @@ Pattern.prototype._csound = function (instrument) {
// initializes csound + can be used to reevaluate given instrument code
export async function csound(code = '') {
await init();
code && (await _csound?.evalCode(`${code}`));
// ^ ^
// wrapping in backticks makes sure it works when calling as templated function
if (code) {
code = `${code}`;
// ^ ^
// wrapping in backticks makes sure it works when calling as templated function
await _csound?.evalCode(code);
}
}
Pattern.prototype.define('csound', (a, pat) => pat.csound(a), { composable: false, patternified: true });
@ -78,7 +88,7 @@ async function load() {
}
_csound.removeAllListeners('message');
['message'].forEach((k) => _csound.on(k, (...args) => eventLogger(k, args)));
await _csound.setOption('-m0'); // see -m flag https://csound.com/docs/manual/CommandFlags.html
await _csound.setOption('-m0d'); // see -m flag https://csound.com/docs/manual/CommandFlags.html
await _csound.setOption('--sample-accurate');
await _csound.compileCsdText(csd);
await _csound.compileOrc(livecodeOrc);

View File

@ -1,3 +1,15 @@
; returns value of given key in given "string map"
; keymap("freq", "note/c3/freq/220/gain/0.5")
; yields "220"
opcode keymap, S, SS
Skey, Smap xin
idelimiter = strindex(Smap, strcat(Skey, "/"))
ifrom = idelimiter + strlen(Skey) + 1
Svalue = strsub(Smap, ifrom, strlen(Smap))
Svalue = strsub(Svalue, 0, strindex(Svalue, "/"))
xout Svalue
endop
; TODO add incredibly dope synths
instr organ
iduration = p3
@ -58,4 +70,27 @@ instr pad
asig = zdf_2pole(asig, 1000, 2)
out(asig, asig)
endin
gisine ftgen 0, 0, 4096, 10, 1
instr bow
kpres = 2
krat = 0.16
kvibf = 6.12723
kvib linseg 0, 0.5, 0, 1, 1, p3-0.5, 1
kvamp = kvib * 0.01
asig wgbow .7, p4, kpres, krat, kvibf, kvamp, gisine
asig = asig*p5
outs asig, asig
endin
instr Meta
Smap = strget(p6)
Sinstrument = keymap("s", Smap)
schedule(Sinstrument, 0, p3, p4, p5)
; TODO find a way to pipe Sinstrument through effects
endin

View File

@ -1023,3 +1023,19 @@ endin\`
.note()
//.pianoroll()
.csound("<CoolSynth Organ1>/4")`;
export const loungeSponge = `await csound()
stack(
note("<C^7 A7 Dm7 Fm7>/2".voicings())
.cutoff(sine.range(500,2000).round().slow(16))
.euclidLegato(3,8).csound('FM1')
,
note("<C2 A1 D2 F2>/2").ply(8).csound('Bass').gain("1 4 1 4")
,
note("0 7 [4 3] 2".fast(2/3).off(".25 .125",add("<2 4 -3 -1>"))
.slow(2).scale('A4 minor'))
.legato(.25).csound('SynHarp')
,
s("bd*2,[~ hh]*2,~ cp").bank('RolandTR909')
)`;