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

View file

@ -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 };
}