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perf: less memory churn

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cha0s 2024-08-04 22:34:49 -05:00
parent 030bf436c4
commit 4378ef2a12
1 changed files with 6 additions and 12 deletions
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18
app/react/components/particle-worker.js
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@ -41,25 +41,19 @@ function tick(now) {
ecs.tick(elapsed); ecs.tick(elapsed);
emitter.tick(elapsed); emitter.tick(elapsed);
const update = {}; const update = {};
const lastNearby = new Set(memory); for (const id in ecs.diff) {
for (const id in ecs.$$entities) { if (false === ecs.diff[id]) {
const entity = ecs.$$entities[id]; memory.delete(id);
if (ecs.$$detached.has(entity.id)) { update[id] = false;
continue;
} }
lastNearby.delete(id); else if (!memory.has(id)) {
if (!memory.has(id)) { update[id] = ecs.$$entities[id].toJSON();
update[id] = entity.toJSON();
} }
else if (ecs.diff[id]) { else if (ecs.diff[id]) {
update[id] = ecs.diff[id]; update[id] = ecs.diff[id];
} }
memory.add(id); memory.add(id);
} }
for (const id of lastNearby) {
memory.delete(id);
update[id] = false;
}
if ('1' in update) { if ('1' in update) {
delete update['1']; delete update['1'];
} }