#include "Sphere.h"
#include "util/Solver.h"

Sphere::Sphere(double radius)
{
    m_radius = radius;
}

Solver::Result Sphere::intersect(const Ray & ray)
{
    Solver::Result res;
    QuadraticSolver solver(1.0,
                           2 * ( ray.getOrigin()[0] * ray.getDirection()[0]
                               + ray.getOrigin()[1] * ray.getDirection()[1]
                               + ray.getOrigin()[2] * ray.getDirection()[2] ),
                             ray.getOrigin()[0] * ray.getOrigin()[0]
                           + ray.getOrigin()[1] * ray.getOrigin()[1]
                           + ray.getOrigin()[2] * ray.getOrigin()[2] );
    Solver::Result quadSolutions = solver.solve();
    return res;
}