public override bool Scatter(Scene scene, Ray ray, HitRecord hit, out Attenuation attenuation, out Ray scattered)
{
Vector3 dir = Vector3.Normalize(ray.direction);
attenuation = Attenuation.None(GetTextureColor(GetUV(dir)));
scattered = null;
return(true);
}
public override bool Scatter(Scene scene, Ray ray, HitRecord hit, out Attenuation attenuation, out Ray scattered)
{
Vector3 unitDirection = Vector3.Normalize(ray.direction);
float t = (0.5f * unitDirection.Y) + 1.0f;
Vector3 colorValue = ((1.0f - t) * new Vector3(1f, 1f, 1f)) + (t * skyColor);
attenuation = Attenuation.None(colorValue);
scattered = null;
return(true);
}
public override bool Scatter(Scene scene, Ray ray, HitRecord hit, out Attenuation attenuation, out Ray scattered)
{
scattered = null;
var textureColor = GetTextureColor(hit.uv);
attenuation = Attenuation.None(color * textureColor * intensity);
return(true);
}
public override bool Scatter(Scene scene, Ray ray,HitRecord hit, out Attenuation attenuation, out Ray scattered)
{
//skyMat
if(hit==null)
{
attenuation = Attenuation.None(albedo);
scattered = null;
return true;
}
scattered = new Ray(hit.position, ray.direction);
var textureColor = GetTextureColor(hit.uv);
//attenuation = Attenuation.None(new Vector3(hit.uv.X, hit.uv.Y,0));
attenuation = Attenuation.None(albedo * textureColor);
return true;
}