Optionalopts: AtmosphereFeatureOptionsReadonlynameStable identifier used for lookup, signature hashing, and pass-name keying.
When false, the feature is skipped each frame. Toggling triggers a cached-graph invalidation.
Live toggle for the altitude-horizon sky-view mapping (see the option).
Procedural atmospheric scattering. Writes (or initializes)
frame.hdr. Reads camera pos + inverse VP + sun direction from the frame's camera + the scene's first DirectionalLightComponent.