Chapter 439: NormalMapNode

Core Idea

This class can be used for applying normals maps to materials.

Key Concepts

• node : Node.<vec3>: Represents the normal map data.
• normalMapType : TangentSpaceNormalMap | ObjectSpaceNormalMap: The normal map type.
• scaleNode : Node.<vec2>: Controls the intensity of the effect.
• unpackNormalMode : string: Controls how to unpack the sampled normal map values.

Code Examples

material.normalNode = normalMap( texture( normalTex ) );

• What it demonstrates: Typical usage of NormalMapNode.

Reference Tables

Constructor

Signature
new NormalMapNode( node : Node.<vec3>, scaleNode : Node.<vec2> )

Properties

Property	Description
.node : Node.<vec3>	Represents the normal map data.
`.normalMapType : TangentSpaceNormalMap	ObjectSpaceNormalMap`
.scaleNode : Node.<vec2>	Controls the intensity of the effect.
.unpackNormalMode : string	Controls how to unpack the sampled normal map values.

Key Takeaways

1. NormalMapNode extends: EventDispatcher → Node → TempNode
2. Most relevant properties: node, normalMapType, scaleNode, unpackNormalMode.

Connects To

• EventDispatcher: parent class
• Node: parent class
• TempNode: parent class
• Source: src/nodes/display/NormalMapNode.js