getBoneByName( name ) {

		for ( let i = 0, il = this.bones.length; i < il; i ++ ) {

			const bone = this.bones[ i ];

			if ( bone.name === name ) {

				return bone;

			}

		}

		return undefined;

	}
Searches through the skeleton's bone array and returns the first with a
matching name.

@param {string} name - The name of the bone.
@return {Bone|undefined} The found bone. `undefined` if no bone has been found.