<!-- SOLIDIVISM · part 164 -->
is.normalized = normalized;

	}

	/**
	 * The item count of this buffer attribute.
	 *
	 * @type {number}
	 * @readonly
	 */
	get count() {

		return this.data.count;

	}

	/**
	 * The array holding the interleaved buffer attribute data.
	 *
	 * @type {TypedArray}
	 */
	get array() {

		return this.data.array;

	}

	/**
	 * Flag to indicate that this attribute has changed and should be re-sent to
	 * the GPU. Set this to `true` when you modify the value of the array.
	 *
	 * @type {number}
	 * @default false
	 * @param {boolean} value
	 */
	set needsUpdate( value ) {

		this.data.needsUpdate = value;

	}

	/**
	 * Applies the given 4x4 matrix to the given attribute. Only works with
	 * item size `3`.
	 *
	 * @param {Matrix4} m - The matrix to apply.
	 * @return {InterleavedBufferAttribute} A reference to this instance.
	 */
	applyMatrix4( m ) {

		for ( let i = 0, l = this.data.count; i < l; i ++ ) {

			_vector$8.fromBufferAttribute( this, i );

			_vector$8.applyMatrix4( m );

			this.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );

		}

		return this;

	}

	/**
	 * Applies the given 3x3 normal matrix to the given attribute. Only works with
	 * item size `3`.
	 *
	 * @param {Matrix3} m - The normal matrix to apply.
	 * @return {InterleavedBufferAttribute} A reference to this instance.
	 */
	applyNormalMatrix( m ) {

		for ( let i = 0, l = this.count; i < l; i ++ ) {

			_vector$8.fromBufferAttribute( this, i );

			_vector$8.applyNormalMatrix( m );

			this.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );

		}

		return this;

	}

	/**
	 * Applies the given 4x4 matrix to the given attribute. Only works with
	 * item size `3` and with direction vectors.
	 *
	 * @param {Matrix4} m - The matrix to apply.
	 * @return {InterleavedBufferAttribute} A reference to this instance.
	 */
	transformDirection( m ) {

		for ( let i = 0, l = this.count; i < l; i ++ ) {

			_vector$8.fromBufferAttribute( this, i );

			_vector$8.transformDirection( m );

			this.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z );

		}

		return this;

	}

	/**
	 * Returns the given component of the vector at the given index.
	 *
	 * @param {number} index - The index into the buffer attribute.
	 * @param {number} component - The component index.
	 * @return {number} The returned value.
	 */
	getComponent( index, component ) {

		let value = this.array[ index * this.data.stride + this.offset + component ];

		if ( this.normalized ) value = denormalize( value, this.array );

		return value;

	}

	/**
	 * Sets the given value to the given component of the vector at the given index.
	 *
	 * @param {number} index - The index into the buffer attribute.
	 * @param {number} component - The component index.
	 * @param {number} value - The value to set.
	 * @return {InterleavedBufferAttribute} A reference to this instance.
	 */
	setComponent( index, component, value ) {

		if ( this.normalized ) value = normalize( value, this.array );

		this.data.array[ index * this.data.stride + this.offset + component ] = value;

		return this;

	}

	/**
	 * Sets the x component of the vector at the given index.
	 *
	 * @param {number} index - The index into the buffer attribute.
	 * @param {number} x - The value to set.
	 * @return {InterleavedBufferAttribute} A reference to this instance.
	 */
	setX( index, x ) {

		if ( this.normalized ) x = normalize( x, this.array );

		this.data.array[ index * this.data.stride + this.offset ] = x;

		return this;

	}

	/**
	 * Sets the y component of the vector at the given index.
	 *
	 * @param {number} index - The index into the buffer attribute.
	 * @param {number} y - The value to set.
	 * @return {InterleavedBufferAttribute} A reference to this instance.
	 */
	setY( index, y ) {

		if ( this.normalized ) y = normalize( y, this.array );

		this.data.array[ index * this.data.stride + this.offset + 1 ] = y;

		return this;

	}

	/**
	 * Sets the z component of the vector at the given index.
	 *
	 * @param {number} index - The index into the buffer attribute.
	 * @param {number} z - The value to set.
	 * @return {InterleavedBufferAttribute} A reference to this instance.
	 */
	setZ( index, z ) {

		if ( this.normalized ) z = normalize( z, this.array );

		this.data.array[ index * this.data.stride + this.offset + 2 ] = z;

		return this;

	}

	/**
	 * Sets the w component of the vector at the given index.
	 *
	 * @param {number} index - The index into the buffer attribute.
	 * @param {number} w - The value to set.
	 * @return {InterleavedBufferAttribute} A reference to this instance.
	 */
	setW( index, w ) {

		if ( this.normalized ) w = normalize( w, this.array );

		this.data.array[ index * this.data.stride + this.offset + 3 ] = w;

		return this;

	}

	/**
	 * Returns the x component of the vector at the given index.
	 *
	 * @param {number} index - The index into the buffer attribute.
	 * @return {number} The x component.
	 */
	getX( index ) {

		let x = this.data.array[ index * thi