*Inheritance: EventDispatcher → Node → LightingNode →* # BasicEnvironmentNode Represents a basic model for Image-based lighting (IBL). The environment is defined via environment maps in the equirectangular or cube map format. `BasicEnvironmentNode` is intended for non-PBR materials like [MeshBasicNodeMaterial](MeshBasicNodeMaterial.html) or [MeshPhongNodeMaterial](MeshPhongNodeMaterial.html). ## Constructor ### new BasicEnvironmentNode( envNode : Node ) Constructs a new basic environment node. **envNode** A node representing the environment. Default is `null`. ## Properties ### .envNode : Node A node representing the environment. Default is `null`. ## Source [src/nodes/lighting/BasicEnvironmentNode.js](https://github.com/mrdoob/three.js/blob/master/src/nodes/lighting/BasicEnvironmentNode.js)