From 0fd9fb097552686f2257c1aa689d797e80057bd1 Mon Sep 17 00:00:00 2001
From: Elizabeth Hunt <elizabeth.hunt@simponic.xyz>
Date: Wed, 19 Jul 2023 20:38:24 -0700
Subject: initial commit

---
 client/lib/systems/WallBounds.ts | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 client/lib/systems/WallBounds.ts

(limited to 'client/lib/systems/WallBounds.ts')

diff --git a/client/lib/systems/WallBounds.ts b/client/lib/systems/WallBounds.ts
new file mode 100644
index 0000000..3fd5dc4
--- /dev/null
+++ b/client/lib/systems/WallBounds.ts
@@ -0,0 +1,35 @@
+import { System, SystemNames } from ".";
+import { BoundingBox, ComponentNames } from "../components";
+import type { Entity } from "../entities";
+
+export class WallBounds extends System {
+  private screenWidth: number;
+
+  constructor(screenWidth: number) {
+    super(SystemNames.WallBounds);
+
+    this.screenWidth = screenWidth;
+  }
+
+  public update(
+    _dt: number,
+    entityMap: Map<number, Entity>,
+    componentEntities: Map<string, Set<number>>
+  ) {
+    componentEntities.get(ComponentNames.WallBounded)?.forEach((entityId) => {
+      const entity = entityMap.get(entityId);
+      if (!entity.hasComponent(ComponentNames.BoundingBox)) {
+        return;
+      }
+
+      const boundingBox = entity.getComponent<BoundingBox>(
+        ComponentNames.BoundingBox
+      );
+
+      boundingBox.center.x = Math.min(
+        this.screenWidth - boundingBox.dimension.width / 2,
+        Math.max(boundingBox.dimension.width / 2, boundingBox.center.x)
+      );
+    });
+  }
+}
-- 
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