public override Color GetColor(RTRay ray, int depth)
{
HitRecord hit;
if (scene.Hit(ray, 0.001f, 1000, out hit))
{
Vector3 n = hit.n;
return(new Color((n.x + 1) * 0.5f, (n.y + 1) * 0.5f, (n.z + 1) * 0.5f));
}
return(RTCanvas.GetEnvironmentColor(ray));
}
public override Color GetColor(RTRay ray, int depth)
{
HitRecord hit;
if (scene.Hit(ray, 0.001f, 1000, out hit))
{
Vector3 target = hit.p + hit.n + RTMath.RndInUnitSphere();
float absorptivity = 0.5f;
return(absorptivity * GetColor(new RTRay().Set(hit.p, target - hit.p), depth + 1));
}
return(RTCanvas.GetEnvironmentColor(ray));
}
public override Color GetColor(RTRay ray, int depth)
{
HitRecord hit;
if (scene.Hit(ray, 0.001f, 1000, out hit))
{
RTRay scattered;
Color attenuation;
if (depth < 50 && hit.material.Scatter(ray, hit, out attenuation, out scattered))
{
return(attenuation * GetColor(scattered, depth + 1));
}
else
{
return(Color.black);
}
}
return(RTCanvas.GetEnvironmentColor(ray));
}
