Buff Queen AKA "Ez egy fa?"

Because the first placeholder player model
resembled a queen that's been to the gym a
bit too much. Also, before she got her head
and hands, she looked like a tree, legit.

src/game.js

@@ -0,0 +1,32 @@
+import { System } from 'detect-collisions'
+import { EventEmitter } from 'node:events'
+
+export default class Game {
+  entities = []
+  tickRate = 30
+  currentTick = 0
+
+  #eventEmitter = new EventEmitter()
+  #system = new System()
+  #tickBudget = Math.floor(1000 / this.tickRate)
+
+  get eventEmitter() { return this.#eventEmitter }
+  get system() { return this.#system }
+
+  spawn_entity(entity) {
+    this.entities.push(entity)
+    this.#system.insert(entity.collider)
+  }
+
+  async start() {
+    const start = performance.now()
+    await this.update()
+    setTimeout(() => this.start(), Math.max(0, this.#tickBudget - (performance.now() - start)))
+  }
+
+  async update() {
+    Promise.allSettled(this.entities.map((e) => e.update()))
+    this.currentTick++
+    this.eventEmitter.emit('tick')
+  }
+}