working but animation is weird

This commit is contained in:
Jade (Rose) Rowland 2024-01-10 23:49:02 -05:00
parent 0c7b731fa6
commit 721f707c94
8 changed files with 48 additions and 52 deletions

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@ -36,7 +36,6 @@ export class Cyclist {
const time = getTime();
const begin = this.lastEnd;
this.lastBegin = begin;
console.log();
//convert ticks to cycles, so you can query the pattern for events
const eventLength = duration * this.cps;
const num_cycles_since_cps_change = this.num_ticks_since_cps_change * eventLength;

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@ -4,10 +4,9 @@ let num_ticks_since_cps_change = 0;
let lastTick = 0; // absolute time when last tick (clock callback) happened
let lastBegin = 0; // query begin of last tick
let lastEnd = 0; // query end of last tick
// let getTime = getTime; // get absolute time
let num_cycles_at_cps_change = 0;
// let onToggle = onToggle;
let interval = 0.1;
let started = false;
//incoming
//cps message
@ -17,22 +16,30 @@ let interval = 0.1;
// {type: toggle, payload?: {started: boolean}}
//sending
//{type: 'tick', payload: {begin, end, deadline }}
//{type: 'tick', payload: {begin, end, tickdeadline, cps, time }}
//{type: 'log', payload: {type, text}}
const getTime = () => {
return performance.now() / 1000;
};
const sendMessage = (message) => {
const sendMessage = (type, payload) => {
allPorts.forEach((port) => {
port.postMessage(message);
port.postMessage({ type, payload });
});
};
const log = (text, type) => {
sendMessage({ type: 'log', payload: { text, type } });
sendMessage('log', { text, type });
};
const numClientsConnected = () => allPorts.length;
const getCycle = () => {
const secondsSinceLastTick = getTime() - lastTick - clock.duration;
const cycle = lastBegin + secondsSinceLastTick * cps;
return cycle;
};
// let prevtime = 0;
let clock = createClock(
getTime,
// called slightly before each cycle
@ -41,6 +48,9 @@ let clock = createClock(
num_cycles_at_cps_change = lastEnd;
}
num_ticks_since_cps_change++;
// const now = Date.now();
// console.log('interval', now - prevtime);
// prevtime = now;
try {
const time = getTime();
const begin = lastEnd;
@ -52,7 +62,7 @@ let clock = createClock(
lastEnd = end;
const tickdeadline = phase - time; // time left until the phase is a whole number
lastTick = time + tickdeadline;
sendMessage({ type: 'tick', payload: { begin, end, tickdeadline, cps, time: Date.now() } });
sendMessage('tick', { begin, end, tickdeadline, cps, time: Date.now(), cycle: getCycle() });
} catch (e) {
log(`[cyclist] error: ${e.message}`, 'error');
}
@ -62,17 +72,11 @@ let clock = createClock(
self.onconnect = function (e) {
// the incoming port
var port = e.ports[0];
const port = e.ports[0];
allPorts.push(port);
sendMessage('yooooo');
port.addEventListener('message', function (e) {
// get the message sent to the worker
processMessage(e.data);
});
port.start(); // Required when using addEventListener. Otherwise called implicitly by onmessage setter.
};
@ -88,19 +92,16 @@ const processMessage = (message) => {
break;
}
case 'toggle': {
const { started } = payload;
if (started) {
if (payload.started && !started) {
started = true;
clock.start();
} else {
//dont stop the clock if others are using it...
} else if (numClientsConnected() === 1) {
started = false;
clock.stop();
}
break;
}
case 'requestcycles': {
const secondsSinceLastTick = getTime() - lastTick - clock.duration;
const cycles = this.lastBegin + secondsSinceLastTick * this.cps; // + this.clock.minLatency;
sendMessage({ type: 'requestedcycles', payload: { cycles } });
}
}
};
@ -124,7 +125,7 @@ function createClock(
if (phase === 0) {
phase = t + minLatency;
}
console.log({ t, phase, tick });
// console.log({ t, phase, tick });
// callback as long as we're inside the lookahead
while (phase < lookahead) {
phase = Math.round(phase * precision) / precision;
@ -149,6 +150,5 @@ function createClock(
};
const getPhase = () => phase;
// setCallback
return { setDuration, start, stop, pause, duration, interval, getPhase, minLatency };
}

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@ -1,5 +0,0 @@
self.onmessage = ({ data: { question } }) => {
self.postMessage({
answer: 42,
});
};

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@ -124,6 +124,7 @@ export class Drawer {
const lookahead = this.drawTime[1];
// calculate current frame time (think right side of screen for pianoroll)
const phase = this.scheduler.now() + lookahead;
// first frame just captures the phase
if (this.lastFrame === null) {
this.lastFrame = phase;

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@ -19,6 +19,7 @@ export * from './speak.mjs';
export * from './evaluate.mjs';
export * from './repl.mjs';
export * from './cyclist.mjs';
export * from './neocyclist.mjs';
export * from './logger.mjs';
export * from './time.mjs';
export * from './draw.mjs';

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@ -11,15 +11,22 @@ export class NeoCyclist {
this.latency = latency;
this.worker = new SharedWorker(new URL('./cyclistworker.js', import.meta.url));
this.worker.port.start();
this.cycle = 0;
this.cps = 1;
this.worker.port.addEventListener('message', (message) => {
if (!this.started) {
return;
}
const { payload, type } = message.data;
switch (type) {
case 'tick': {
let { begin, end, cps, tickdeadline, time } = payload;
const messageLatency = (Date.now() - time) / 1000;
tickdeadline = tickdeadline - messageLatency;
console.log({ begin, end });
let { begin, end, cps, tickdeadline, time, cycle } = payload;
this.cps = cps;
this.cycle = cycle + latency * cps;
// const messageLatency = (Date.now() - time) / 1000;
// latency = latency - messageLatency
const haps = this.pattern.queryArc(begin, end);
haps.forEach((hap) => {
if (hap.part.begin.equals(hap.whole.begin)) {
@ -46,7 +53,8 @@ export class NeoCyclist {
}
now() {
return performance.now() / 1000;
// console.log(this.cycle, 'cycle');
return this.cycle;
// this.sendMessage('requestcycles', {});
}
setCps(cps = 1) {

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@ -31,21 +31,6 @@ export function repl({
started: false,
};
const worker = new Worker(new URL('./deep-thought.js', import.meta.url));
worker.postMessage({
question: 'The Answer to the Ultimate Question of Life, The Universe, and Everything.',
});
worker.onmessage = ({ data: { answer } }) => {
console.log(answer);
};
// const sharedworker = new SharedWorker(new URL('./cyclistworker.js', import.meta.url));
// sharedworker.port.start();
// sharedworker.port.addEventListener('message', (message) => {
// console.log(message);
// });
const updateState = (update) => {
Object.assign(state, update);
state.isDirty = state.code !== state.activeCode;
@ -65,14 +50,16 @@ export function repl({
// });
const scheduler = new NeoCyclist({
interval,
// interval,
onTrigger: getTrigger({ defaultOutput, getTime }),
onError: onSchedulerError,
// latency: 0.22,
onToggle: (started) => {
updateState({ started });
onToggle?.(started);
},
});
let pPatterns = {};
let allTransform;

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@ -30,7 +30,12 @@ export function webaudioScheduler(options = {}) {
...options,
};
const { defaultOutput, getTime } = options;
return new strudel.Cyclist({
// return new strudel.Cyclist({
// ...options,
// onTrigger: strudel.getTrigger({ defaultOutput, getTime }),
// });
console.log('here');
return new strudel.NeoCyclist({
...options,
onTrigger: strudel.getTrigger({ defaultOutput, getTime }),
});