Import
SkyGeometry is an addon, and must be imported explicitly, see Installation#Addons.
import { SkyGeometry } from 'three/addons/misc/RollerCoaster.js';
EventDispatcher → BufferGeometry →
A procedural sky geometry.
SkyGeometry is an addon, and must be imported explicitly, see Installation#Addons.
import { SkyGeometry } from 'three/addons/misc/RollerCoaster.js';