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perf: throttle updates and limit particles to prevent crashes

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Added rate limiting to broadcast updates to once per second and cap visual particles at 500 to prevent browser crashes from excessive rendering. Stop ruining my fun.
This commit is contained in:
lklynet
2026-01-02 11:40:26 -05:00
parent 81864969da
commit 1e16d431d5
1 changed files with 14 additions and 4 deletions
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server.js
+14 -4
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@@ -38,7 +38,13 @@ const sseClients = new Set();
seenPeers.set(MY_ID, { seq: mySeq, lastSeen: Date.now() });
// Throttle updates to once per second
let lastBroadcast = 0;
function broadcastUpdate() {
const now = Date.now();
if (now - lastBroadcast < 1000) return;
lastBroadcast = now;
const data = JSON.stringify({
count: seenPeers.size,
direct: swarm.connections.size,
@@ -319,13 +325,17 @@ app.get("/", (req, res) => {
}
function updateParticles(count) {
// Limit visual particles to 500 to prevent browser crash
const VISUAL_LIMIT = 500;
const visualCount = Math.min(count, VISUAL_LIMIT);
const currentCount = particles.length;
if (count > currentCount) {
for (let i = 0; i < count - currentCount; i++) {
if (visualCount > currentCount) {
for (let i = 0; i < visualCount - currentCount; i++) {
particles.push(new Particle());
}
} else if (count < currentCount) {
particles.splice(count, currentCount - count);
} else if (visualCount < currentCount) {
particles.splice(visualCount, currentCount - visualCount);
}
}