public bool Scatter(Ray rayIn, HitRecord record, ref Vec3 attenuation, ref Ray scatteredRay, Random random)
{
var bounceDirection = record.Normal + GeometrySampler.RandomPointInUnitSphere(random);
scatteredRay = new Ray(record.Point, bounceDirection);
attenuation = this.Albedo.Value(0, 0, record.Point);
return(true);
}
public bool Scatter(Ray rayIn, HitRecord record, ref Vec3 attenuation, ref Ray scatteredRay, Random random)
{
var reflectedDirection = Vec3.Reflect(rayIn.Direction.Normalized, record.Normal);
var fuzzyDirection = reflectedDirection + this.Fuzz * GeometrySampler.RandomPointInUnitSphere(random);
scatteredRay = new Ray(record.Point, fuzzyDirection);
attenuation = this.Albedo;
return(scatteredRay.Direction.Dot(record.Normal) > 0);
}