Fix physics

frontend/src/scripts/objects/lamp-view.ts

@@ -1,17 +1,24 @@
 import { vec2, vec3 } from 'gl-matrix';
-import { CircleLight } from 'sdf-2d';
+import { CircleLight, Renderer } from 'sdf-2d';
 import { CommandExecutors, Id, LampBase } from 'shared';
 import { RenderCommand } from '../commands/types/render';
+import { ViewObject } from './view-object';
 
-export class LampView extends LampBase {
+export class LampView extends LampBase implements ViewObject {
   private light: CircleLight;
 
   protected commandExecutors: CommandExecutors = {
     [RenderCommand.type]: (c: RenderCommand) => c.renderer.addDrawable(this.light),
-  } as any;
+  };
 
   constructor(id: Id, center: vec2, color: vec3, lightness: number) {
     super(id, center, color, lightness);
     this.light = new CircleLight(center, color, lightness);
   }
+
+  public step(deltaTimeInMilliseconds: number): void {}
+
+  public draw(renderer: Renderer): void {
+    renderer.addDrawable(this.light);
+  }
 }