public LightPhong(PhongShading phongShading, Light light)
{
_l = Vector3.Normalize(light.Position - phongShading._hit);
_n = phongShading._n;
_light = light;
_mat = phongShading._mat;
_eh = phongShading._eh;
_hit = phongShading._hit;
_shadow = Shadow(phongShading._rayTracing);
_localCoordiantes = phongShading._localCoordinates;
_isLightProbe = phongShading._isLightProbe;
_dotNL = Vector3.Dot(_l, _n);
}
public Vector3 CalcColorRayTracing(Ray ray, int recursionCount = 0)
{
(var hit, var obj, _) = FindClosestHitPoint(ray);
if (!hit.HasValue)
{
return(Colors.Black.ToVector3());
}
var Id = Vector3.Zero;
var Is = Vector3.Zero;
var Ir = Vector3.Zero;
var phongShading = new PhongShading(obj, hit.Value, ray, this);
foreach (var light in _scene.Lights)
{
var pLight = phongShading.LightShading(light);
if (UseDiffues)
{
Id += pLight.Diffuse();
}
if (UseSpecular)
{
Is += pLight.Specular();
}
}
if (UseReflection)
{
if (recursionCount < 3 && obj.Material.Kreflection > 0)
{
(var kr, var reflectRay) = phongShading.KrAndReflectRay();
Ir = CalcColorRayTracing(reflectRay, recursionCount + 1) * kr;
}
}
return(_scene.EnviromentLight + Ir + Is + Id);
}
