Color rayTracing(Ray3 ray, int maxReflect)
{
IntersectResult result = geometries.Intersect(ray);
Color color = Color.Black;
if (result.Geometry != null)
{
if (depthFlag)
{
color = result.GetDepthColor();
}
else if (result.Geometry.Material != null)
{
List <LightSample> lightSamples = lights.GetLightSample(geometries, result.Position);
double reflectiveness = result.Geometry.Material.Reflectiveness;
foreach (LightSample lightSample in lightSamples)
{
color = color + result.Geometry.Material.Sample(ray, lightSample, result.Normal, result.Position, result.TextureCoordinates);
}
color = color * (1 - reflectiveness);
if (reflectiveness > 0 && maxReflect > 0)
{
Vector3 r = result.Normal * (result.Normal ^ ray.Direction * (-2)) + ray.Direction;
Ray3 newRay = new Ray3(result.Position, r);
Color reflectedColor = rayTracing(newRay, maxReflect - 1);
color = color + reflectedColor * reflectiveness;
}
}
}
return(color);
}
