Add input handling

frontend/src/scripts/objects/game-object.ts

@@ -0,0 +1,7 @@
+import { Typed } from '../transport/serializable';
+import { Vec2 } from '../math/vec2';
+
+export class GameObject extends Typed {
+  public position = new Vec2();
+  public boundingBoxSize = new Vec2();
+}

frontend/src/scripts/objects/object-container.ts

@@ -0,0 +1,8 @@
+import { GameObject } from './game-object';
+import { Camera } from './types/camera';
+
+export class ObjectContainer {
+  private objects: Array<GameObject> = [];
+
+  constructor(public camera: Camera) {}
+}

frontend/src/scripts/objects/types/camera.ts

@@ -0,0 +1,3 @@
+import { GameObject } from '../game-object';
+
+export class Camera extends GameObject {}