58 lines
1.2 KiB
JavaScript
58 lines
1.2 KiB
JavaScript
import Emitter from '@/particles/emitter.js';
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import createEcs from '@/server/create/ecs.js';
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import ClientEcs from './client-ecs.js';
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const ecs = createEcs(ClientEcs);
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ecs.$$caret = Math.pow(2, 31);
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const emitter = new Emitter(ecs);
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addEventListener('message', (particle) => {
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if (!ecs.get(1)) {
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ecs.createManySpecific([[1, particle.data]]);
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return;
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}
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emitter.emit(particle.data)
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.onEnd(() => {});
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});
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const memory = new Set();
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let last = performance.now();
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function tick(now) {
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const elapsed = (now - last) / 1000;
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last = now;
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requestAnimationFrame(tick);
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if (!ecs.get(1)) {
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return;
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}
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ecs.tick(elapsed);
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emitter.tick(elapsed);
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const update = {};
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const lastNearby = new Set(memory.values());
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for (const id in ecs.$$entities) {
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const entity = ecs.$$entities[id];
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lastNearby.delete(id);
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if (!memory.has(id)) {
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update[id] = entity.toJSON();
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}
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else if (ecs.diff[id]) {
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update[id] = ecs.diff[id];
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}
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memory.add(id);
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}
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for (const id of lastNearby) {
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memory.delete(id);
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update[id] = false;
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}
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if ('1' in update) {
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delete update['1'];
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}
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if (Object.keys(update).length > 0) {
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postMessage(update);
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}
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ecs.setClean();
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}
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requestAnimationFrame(tick);
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