Chapter 2: Bone

Core Idea

A bone which is part of a Skeleton. The skeleton in turn is used by the SkinnedMesh.

Key Concepts

• isBone : boolean (readonly): This flag can be used for type testing.

Code Examples

const root = new THREE.Bone();
const child = new THREE.Bone();
root.add( child );
child.position.y = 5;

• What it demonstrates: Typical usage of Bone.

Reference Tables

Constructor

Signature
new Bone()

Properties

Property	Description
.isBone : boolean (readonly)	This flag can be used for type testing.

Key Takeaways

1. Bone extends: EventDispatcher → Object3D
2. Most relevant properties: isBone.

Connects To

• EventDispatcher: parent class
• Object3D: parent class
• Source: src/objects/Bone.js