Refactor physics

backend/src/objects/lamp-physical.ts

@@ -0,0 +1,45 @@
+import { vec2, vec3 } from 'gl-matrix';
+import { LampBase, settings, id } from 'shared';
+
+import { ImmutableBoundingBox } from '../physics/bounding-boxes/immutable-bounding-box';
+
+import { Physical } from '../physics/physical';
+
+export class LampPhysical extends LampBase implements Physical {
+  public readonly canCollide = false;
+  public readonly isInverted = false;
+  public readonly canMove = false;
+
+  constructor(center: vec2, color: vec3, lightness: number) {
+    super(id(), center, color, lightness);
+  }
+
+  private _boundingBox?: ImmutableBoundingBox;
+
+  public get boundingBox(): ImmutableBoundingBox {
+    if (!this._boundingBox) {
+      this._boundingBox = new ImmutableBoundingBox(
+        this.center.x - settings.lightCutoffDistance,
+        this.center.x + settings.lightCutoffDistance,
+        this.center.y - settings.lightCutoffDistance,
+        this.center.y + settings.lightCutoffDistance
+      );
+    }
+
+    return this._boundingBox;
+  }
+
+  public get gameObject(): LampPhysical {
+    return this;
+  }
+
+  // todo
+  public distance(_: vec2): number {
+    return 0;
+  }
+
+  public toJSON(): any {
+    const { type, id, center, color, lightness } = this;
+    return [type, id, center, color, lightness];
+  }
+}