int             project3dto2d_point(t_point *p, t_camera *cam)
{
    double  d[3];
    double  pi;

    if (!p || !cam)
        return (0);
    pi = 3.14159265359;
    d[0] = cosf(cam->pany * pi / 180) * (sinf(cam->panz * pi / 180) *
    (p->y3d - cam->y3d) + cosf(cam->panz * pi / 180) * (p->x3d - cam->x3d)) -
    sinf(cam->pany * pi / 180) * (p->z3d - cam->z3d);

    d[1] = sinf(cam->panx * pi / 180) * (cosf(cam->pany * pi / 180) *
    (p->z3d - cam->z3d) + sinf(cam->pany * pi / 180) *
    (sinf(cam->panz * pi / 180) * (p->y3d - cam->y3d) +
    cosf(cam->panz * pi / 180) * (p->x3d - cam->x3d))) +
    cosf(cam->panx * pi / 180) * (cosf(cam->panz * pi / 180) *
    (p->y3d - cam->y3d) - sinf(cam->panz * pi / 180) * (p->x3d - cam->x3d));

    d[2] = cosf(cam->panx * pi / 180) * (cosf(cam->pany * pi / 180) *
    (p->z3d - cam->z3d) + sinf(cam->pany * pi / 180) *
    (sinf(cam->panz * pi / 180) * (p->y3d - cam->y3d) +
    cosf(cam->panz * pi / 180) * (p->x3d - cam->x3d))) -
    sinf(cam->panx * pi / 180) * (cosf(cam->panz * pi / 180) *
    (p->y3d - cam->y3d) - sinf(cam->panz * pi / 180) * (p->x3d - cam->x3d));

    p->x2d = ((50.0 / (d[2])) * d[0] - 0.0) * cam->zoom + 1920 / 2;
    p->y2d = ((50.0 / (d[2])) * d[1] - 0.0) * cam->zoom + 1080 / 2;
    return (1);
}