Added object pool, event system collision system

assets/Scripts/Services/EventSystem/ISignal.ts

@@ -0,0 +1,4 @@
+export interface ISignal<T> {
+    on(handler: (data: T) => void): void;
+    off(handler: (data: T) => void): void;
+}

assets/Scripts/Services/EventSystem/ISignal.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "626b0371-bbf5-4b70-988e-48e9e3ebb171",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}

assets/Scripts/Services/EventSystem/Signal.ts

@@ -0,0 +1,16 @@
+import { ISignal } from "./ISignal";
+
+export class Signal<T> implements ISignal<T> {
+    private handlers: ((data: T) => void)[] = [];
+
+    public on(handler: (data: T) => void): void {
+        this.handlers.push(handler);
+    }
+    public off(handler: (data: T) => void): void {
+        this.handlers = this.handlers.filter((h) => h !== handler);
+    }
+
+    public trigger(data: T): void {
+        [...this.handlers].forEach((handler) => handler(data));
+    }
+}

assets/Scripts/Services/EventSystem/Signal.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "421ff10c-7e13-4fa7-844a-003fd7e738ca",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}