public void flyTo(double xShapePos, double yShapePos) {
        float x = 0;
        // je nachdem, wem der Token gehört
        if (this._owner.getColor().equals(_colors[0])) {
            x = 1;
        } else if (this._owner.getColor().equals(_colors[1])) {
            x = -1;
        }

        Alpha alpha = new Alpha(-1, 5000);

        // Achse, um die gedreht werden soll
        Transform3D axisOfRotPos = new Transform3D();

        AxisAngle4f axis = new AxisAngle4f(1.0f, 0.0f, 0.0f, 0.0f); // oder normale tranform3d::rotX()
        axisOfRotPos.set(axis);
        // Zeitverhalten - Index der Stützstellen
        float[] knots = {0.0f, 0.5f, 0.7f, 1.0f};
        // Beschreibung der Orientierung
        Quat4f[] quats = new Quat4f[4];
//      quats[0] = new Quat4f(0.0f, 1.0f, 1.0f, 0.0f);
//      quats[1] = new Quat4f(1.0f, 0.0f, 0.0f, 0.0f);
//      quats[2] = new Quat4f(0.0f, 1.0f, 0.0f, 0.0f);
//      quats[3] = new Quat4f(0.0f, 1.0f, 1.0f, 0.0f);

        quats[0] = new Quat4f(0.0f, 0.0f, 0.0f, 0.0f);
        quats[1] = new Quat4f(0.0f, 0.0f, 0.0f, 0.0f);
        quats[2] = new Quat4f(0.0f, 1.0f, 0.0f, 0.0f);
        quats[3] = new Quat4f(0.0f, x, 1.0f, 0.0f);

        // Beschreibung der Position
        Transform3D ownTransf = new Transform3D();
        this.getTransform(ownTransf);
        Vector3f vtrans = new Vector3f();
        ownTransf.get(vtrans);
        Point3f[] positions = new Point3f[4];
        positions[0] = new Point3f(vtrans.x, vtrans.y, vtrans.z);
        positions[1] = new Point3f(vtrans.x, vtrans.y, vtrans.z+2);
        positions[2] = new Point3f((float) xShapePos, (float) xShapePos, vtrans.z+2);
        positions[3] = new Point3f((float) xShapePos, (float) yShapePos, 0.5f);


        RotPosPathInterpolator rotPosPath = new RotPosPathInterpolator(alpha, this, axisOfRotPos, knots, quats, positions);
        rotPosPath.setSchedulingBounds(new BoundingSphere());

        BranchGroup bg = new BranchGroup();
        bg.addChild(rotPosPath);
        this.addChild(bg);
    }