public bool Scatter(Ray rayIn, HitRecord record, ref Color attenuation, ref Ray scatteredRay)
{
var target = record.Point + record.Normal + RayTraceUtility.GetRandomPointInUnitSphere();
scatteredRay = new Ray(record.Point, target - record.Point);
attenuation = albedo;
return(true);
}
static Color GetColorFromHitRecord(Ray ray, HitableList list)
{
var rec = new HitRecord();
if (list.Hit(ray, 0.001f, float.MaxValue, ref rec))
{
var target = rec.Point + rec.Normal + RayTraceUtility.GetRandomPointInUnitSphere();
return(0.5f * GetColorFromHitRecord(new Ray(rec.Point, target - rec.Point), list));
}
var t = (ray.NormalizedDirection.y + 1f) * 0.5f;
return((1 - t) * Color.white + t * new Color(0.5f, 0.7f, 1f));
}