connect( element ) {

		super.connect( element );

		this.domElement.addEventListener( 'pointerdown', this._onPointerDown );
		this.domElement.addEventListener( 'pointermove', this._onPointerHover );
		this.domElement.addEventListener( 'pointerup', this._onPointerUp );

		this.domElement.style.touchAction = 'none'; // disable touch scroll

	}
The maximum allowed Z position during translation.

@name TransformControls#maxZ
@type {number}
@default Infinity