public Color ColorAt(Ray ray, int remaining = 5)
{
var intersections = new Intersections();
Intersect(ray, intersections);
var hit = intersections.Hit();
if (hit == null)
{
return(Color.Black);
}
var intersectionData = hit.Compute(ray, intersections);
var color = ShadeHit(intersectionData, remaining);
return(color);
}
public bool IsShadowed(Tuple point, ILight light)
{
var v = light.Position - point;
var distance = v.Magnitude;
var direction = v.Normalize();
var r = Helper.Ray(point, direction);
var intersections = new Intersections();
Intersect(r, intersections);
var h = intersections.Hit();
if (h != null && h.T < distance)
{
return(true);
}
return(false);
}
public IntersectionData Compute(Ray ray, Intersections intersections = null) => new IntersectionData(this, ray, intersections);
public abstract void IntersectLocal(ref Tuple origin, ref Tuple direction, Intersections intersections);