public static Color32 GetColor(Ray r, HitableList hitableList, Hitable importance, int depth)
{
var hrec = new HitRecord();
if (hitableList.Hit(r, 0.00001f, float.MaxValue, ref hrec))
{
var srec = new ScatterRecord();
var emitted = hrec.shader.emitted(r, hrec, hrec.u, hrec.v, hrec.p);
if (depth < Configuration.MAX_SCATTER_TIME)
{
if (hrec.shader.scatter(r, ref hrec, ref srec))
{
if (srec.is_specular)
{
return(srec.attenuation *
GetColor(srec.specular_ray, Scene.main.world, importance, depth + 1));
}
var p = new MixturePdf(new HitablePdf(importance, hrec.p), srec.pdf);
var scattered = new Ray(hrec.p, p.Generate(), r.time);
var pdf = p.Value(scattered.direction);
return(emitted + srec.attenuation * hrec.shader.scattering_pdf(r, hrec, scattered) *
GetColor(scattered, Scene.main.world, importance, depth + 1) / pdf);
}
else
{
return(depth == 0 ? emitted.Aravge() : emitted);
}
}
else
{
return(depth == 0?emitted.Aravge():emitted);
}
}
return(Scene.main.Skybox ? Scene.main.sky.Value(r.direction.Normalized()) : Color32.Black);
#pragma warning disable CS0162 // 检测到无法访问的代码
var t = 0.5f * r.normal_direction.y + 1f;
#pragma warning restore CS0162 // 检测到无法访问的代码
return(Scene.main.Skybox ? (1 - t) * new Color32(2, 2, 2) + t * new Color32(0.5f, 0.7f, 1) : Color32.Black);
}
