add beginning of visualization for statistics, unmodified from blog code

src/components/World/systems/controls.js

@@ -0,0 +1,36 @@
+import { OrbitControls } from "three/examples/jsm/controls/OrbitControls.js";
+import { MathUtils } from "three";
+
+function createControls(camera, canvas) {
+  const controls = new OrbitControls(camera, canvas);
+
+  //enable controls?
+  controls.enabled = true;
+  controls.autoRotate = true;
+  controls.autoRotateSpeed = 0.2;
+
+  // control limits
+  // It's recommended to set some control boundaries,
+  // to prevent the user from clipping with the objects.
+
+  // y axis
+  controls.minPolarAngle = MathUtils.degToRad(40); // default
+  controls.maxPolarAngle = MathUtils.degToRad(75);
+
+  // x axis
+  //   controls.minAzimuthAngle = ...
+  //   controls.maxAzimuthAngle = ...
+
+  //smooth camera:
+  // remember to add to loop updatables to work
+  controls.enableDamping = true;
+
+  controls.enableZoom = false;
+  controls.enablePan = false;
+
+  controls.tick = () => controls.update();
+
+  return controls;
+}
+
+export { createControls };