*Inheritance: EventDispatcher → BufferGeometry →* # TreesGeometry A procedural trees geometry. ## Import TreesGeometry is an addon, and must be imported explicitly, see [Installation#Addons](https://threejs.org/manual/#en/installation). ```js import { TreesGeometry } from 'three/addons/misc/RollerCoaster.js'; ``` ## Constructor ### new TreesGeometry( landscape : Mesh ) Constructs a new geometry. **landscape** A mesh representing the landscape. Trees will be positioned randomly on the landscape's surface. ## Source [examples/jsm/misc/RollerCoaster.js](https://github.com/mrdoob/three.js/blob/master/examples/jsm/misc/RollerCoaster.js)