public override Color Tracing(Ray ray, Sky sky, SamplerBase sampler, int depth = 0)
{
if (depth > tracingTimes)
{
return(Color.black);
}
RayCastHit hit;
hit.distance = double.MaxValue;
if (sceneData.Raycast(ray, m_Epsilon, out hit))
{
hit.depth = depth;
if (hit.shader == null)
{
return(new Color(1, 0, 1));
}
return(hit.shader.Render(this, sky, sampler, ray, hit, m_Epsilon));
}
else
{
if (sky != null)
{
return(sky.RenderColor(ray.direction));
}
return(Color.black);
}
}
public override Color Render(Tracer tracer, Sky sky, SamplerBase sampler, Ray ray, RayCastHit hit, double epsilon)
{
Vector3 refl = Vector3.Reflect(ray.direction, hit.normal);
if (sky != null)
{
return(sky.RenderColor(refl));
}
return(Color.white);
}