disconnectionPointerEvents() {

		if ( this.element !== null ) {

			this.element.removeEventListener( 'pointerdown', this._onPointerEvent );
			this.element.removeEventListener( 'pointerup', this._onPointerEvent );
			this.element.removeEventListener( 'pointermove', this._onPointerEvent );
			this.element.removeEventListener( 'mousedown', this._onPointerEvent );
			this.element.removeEventListener( 'mouseup', this._onPointerEvent );
			this.element.removeEventListener( 'mousemove', this._onPointerEvent );
			this.element.removeEventListener( 'click', this._onPointerEvent );

		}

	}
Disconnects this interactive group from all Pointer and Mouse Events.