Error: produit vectoriel

[manuelddahmen]

Shound be:

    /**
     * Calculates the cross product between this point and the given point.
     *
     * @param p1 The point to calculate the cross product with.
     * @return The result of the cross product as a new Point3D object.
     */
    public Point3D prodVect(one.empty3.library.Point3D p1) {
        return new one.empty3.library.Point3D(p1.getY() * getZ() + -p1.getZ() * getY(), p1.getZ()
                * getX() - p1.getX() * getZ(), p1.getX() * getY() - p1.getY()
                * getX());
    }

    /**
     * Calculates the cross product between this point and the given point.
     *
     * @param p2 The point to calculate the cross product with.
     * @return The result of the cross product as a new Point3D object.
     * Corrigé d'après: <a href="https://www.nagwa.com/fr/explainers/616184792816/">...</a>
     */
    public Point3D prodVect1(one.empty3.library.Point3D p2) {
        Point3D p1 = this;

        return new one.empty3.library.Point3D(p1.getY() * p2.getZ() - p1.getZ() * p2.getY(),
                -(p2.getZ() * getX() - p2.getX() * getZ()),
                p1.getX() * p2.getY() - p1.getY() * p1.getX());
    }