CG 1.Aufgabe

QMatrix4x4 transform;

    float relframe = frame % 360;

    transform.setToIdentity();
    transform.scale(1.0); //was told to use scale Kappa

    if (relframe < 90) {
        transform.translate(0.5, 0.5, 0.0);
        transform.rotate(2 * relframe, 0.0, 0.0, -1.0);
        transform.translate(-0.5, 0.5, 0.0);
    }
    else if (relframe < 180) {
        transform.translate(0.5, -0.5, 0.0);
        transform.rotate(2 * relframe, 0.0, 0.0, -1.0);
        transform.translate(-0.5, -0.5, 0.0);
    }
    else if (relframe < 270) {
        transform.translate(-0.5, -0.5, 0.0);
        transform.rotate(2 * relframe, 0.0, 0.0, -1.0);
        transform.translate(0.5, -0.5, 0.0);
    }
    else {
        transform.translate(-0.5, 0.5, 0.0);
        transform.rotate(2 * relframe, 0.0, 0.0, -1.0);
        transform.translate(0.5, 0.5, 0.0);
    }


    return transform;