very basic websocket setup

3 files changed, 8 insertions, 2 deletions

diff --git a/engine/Game.ts b/engine/Game.ts
index c2a2c4f..3682fbd 100644
--- a/engine/Game.ts
+++ b/engine/Game.ts
@@ -55,6 +55,7 @@ export class Game {
     const dt = timeStamp - this.lastTimeStamp;
     this.lastTimeStamp = timeStamp;
 
+    // rebuild the Component -> { Entity } map
     this.componentEntities.clear();
     this.entities.forEach((entity) =>
       entity.getComponents().forEach((component) => {
diff --git a/engine/config/constants.ts b/engine/config/constants.ts
index 27c8160..9a3169b 100644
--- a/engine/config/constants.ts
+++ b/engine/config/constants.ts
@@ -32,3 +32,8 @@ export namespace PhysicsConstants {
   export const PLAYER_JUMP_ACC = -0.01;
   export const PLAYER_JUMP_INITIAL_VEL = -0.9;
 }
+
+export namespace Miscellaneous {
+  export const WIDTH = 600;
+  export const HEIGHT = 800;
+}
diff --git a/engine/systems/Collision.ts b/engine/systems/Collision.ts
index 4fcb906..846a95a 100644
--- a/engine/systems/Collision.ts
+++ b/engine/systems/Collision.ts
@@ -42,8 +42,8 @@ export class Collision extends System {
 
     Collision.COLLIDABLE_COMPONENT_NAMES.map((componentName) =>
       game.componentEntities.get(componentName)
-    ).forEach((entityIds: Set<number>) =>
-      entityIds.forEach((id) => {
+    ).forEach((entityIds?: Set<number>) =>
+      entityIds?.forEach((id) => {
         const entity = game.entities.get(id);
         if (!entity.hasComponent(ComponentNames.BoundingBox)) {
           return;