Function observe

observe(
    system: StarSystem,
    time: number,
    observer: ObserverOptions,
    camera?: Vec3,
    out?: SkyState,
): SkyState
Computes the sky as seen from the camera at time.
Parameters
- system: StarSystem
- time: number
- observer: ObserverOptions
- camera: Vec3 = ...
  Camera position in render space (metres). In the local frame its y is the altitude.
- out: SkyState = ...
Returns SkyState
- Defined in sky/src/observer.ts:125