Function createClippingController

createClippingController(
opts?: { layers?: readonly ClippableLayer[] },
): ClippingController
Create a ClippingController — the scene-wide slice/clip facade.
Parameters
- opts: { layers?: readonly ClippableLayer[] } = {}
  layers: 3D layers to register up front (more can be added later).
Returns ClippingController
The controller.
Example
```
const clipping = createClippingController({ layers: [buildings, pointCloud] });
clipping.setPlanes({ planes: [planeFromHeadingTilt({ lng, lat }, 90)] });
clipping.setEnabled(false); // hide the cut, keep the plane
```