public ShadeRec IntersectAllObjects(Ray ray)
{
ShadeRec shadeRec = new ShadeRec(this);
double t;
Normal normal = new Normal();
Point3d localHitPoint=new Point3d();
double tmin = double.PositiveInfinity;
for (int i = 0;i<Objects.Count;i++)
{
if (Objects[i].Intersect(ray,out t,shadeRec) && t < tmin)
{
tmin = t;
shadeRec.HasHitObject = true;
shadeRec.Material = Objects[i].Material;
shadeRec.Hitpoint = ray.Origin + t*ray.Direction;
normal = shadeRec.Normal;
localHitPoint = shadeRec.LocalHitPoint;
}
}
if (shadeRec.HasHitObject)
{
shadeRec.T = tmin;
shadeRec.Normal = normal;
shadeRec.LocalHitPoint = localHitPoint;
shadeRec.Hitpoint = ray.Origin + tmin*ray.Direction;
}
return shadeRec;
}
public void SetUpCamera(Vector3d eye, Vector3d lookAt, Vector3d up)
{
Eye = eye;
LookAt = lookAt;
Up = up;
ComputeUVW();
}
public ShadeRec(World world)
{
HasHitObject = false;
Hitpoint = new Point3d();
Normal = new Normal();
LocalHitPoint = new Point3d();
Ray=new Ray();
Depth = 0;
Direction = new Vector3d();
T = 0;
//Chapter 3 only
Color = new RGBColor(0, 0, 0); //Black
World = world;
}
public Sphere(Point3d center, double radius)
{
Center = center;
Radius = radius;
}
public Plane(Point3d point, Normal normal)
{
Point = point;
Normal = normal;
}