public override bool Scatter(Ray r, HitRecord hitRecord, out Vector3 attenuation, out Ray scattered)
{
Vector3 target = hitRecord.HitPoint + hitRecord.SurfaceNormal + VectorHelpers.GetRandomInUnitSphere();
scattered = new Ray(hitRecord.HitPoint, target - hitRecord.HitPoint);
attenuation = Texture.GetValue(0, 0, hitRecord.HitPoint);
return(true);
}
public Vector3 GetValue(float u, float v, Vector3 hitPoint)
{
double sineFunc(float val) => Math.Sin(10 * val);
double sines = sineFunc(hitPoint.X) * sineFunc(hitPoint.Y) * sineFunc(hitPoint.Z);
if (sines < 0)
{
return(OddTexture.GetValue(u, v, hitPoint));
}
else
{
return(EvenTexture.GetValue(u, v, hitPoint));
}
}
public override Vector3 Emitted(float u, float v, Vector3 hitPoint)
{
return(emit.GetValue(u, v, hitPoint));
}