static bool draw_traced_ray_recurs(Renderer renderer, TracedRay ray, double lost_len, Element ref_, bool hit_image, int D, bool draw_lost) { Transform3 t1 = ray.get_creator().get_transform_to(ref_); Element i_element = null; Vector3 v0 = t1.transform(ray.get_ray().origin()); Vector3 v1; if (ray.is_lost()) { if (!draw_lost) { return(false); } v1 = t1.transform(ray.get_ray().origin().plus(ray.get_ray().direction().times(lost_len))); } else { i_element = ray.get_intercept_element(); Transform3 t2 = i_element.get_transform_to(ref_); v1 = t2.transform(ray.get_intercept_point()); } Vector3Pair p = new Vector3Pair(v0, v1); bool done = false; for (TracedRay child_ray = ray.get_first_child(); child_ray != null; child_ray = child_ray.get_next_child()) { if (draw_traced_ray_recurs(renderer, child_ray, lost_len, ref_, hit_image, 2, false)) { done = true; } } if (!done && hit_image && !(i_element is Image)) { return(false); } switch (D) { case 2: // skip non tangential rays in 2d mode if (Math.Abs(p.x1()) > 1e-6) { return(false); } draw_ray_line(renderer, new Vector2Pair(p.v0.project_zy(), p.v1.project_zy()), ray); break; case 3: draw_ray_line(renderer, p, ray); break; } return(true); }
List <TracedRay> process_rays(Surface surface, TraceIntensityMode m, RayTraceResults result, List <TracedRay> input) { RayTraceParameters params_ = result._parameters; List <TracedRay> rays = new(); foreach (TracedRay i in input) { TracedRay ray = i; Transform3 t = ray.get_creator().get_transform_to(surface); Vector3Pair local1 = t.transform_line(ray.get_ray()); Vector3Pair pt = surface is Stop ? intersect((Stop)surface, params_, local1) : intersect(surface, params_, local1); if (pt != null) { result.add_intercepted(surface, ray); TracedRay cray = trace_ray(surface, m, result, ray, local1, pt); if (cray != null) { rays.Add(cray); } } } return(rays); }
TracedRay trace_ray_simple(Stop surface, RayTraceResults result, TracedRay incident, Vector3Pair local, Vector3Pair intersect) { Vector2 v = intersect.origin().project_xy(); bool ir = true; // FIXME _intercept_reemit || result.get_params ().is_sequential (); if (ir && surface.get_shape().inside(v)) { // re-emit incident ray TracedRay r = result.newRay(intersect.origin(), incident.get_ray().direction()); r.set_wavelen(incident.get_wavelen()); r.set_intensity(incident.get_intensity()); r.set_material(incident.get_material()); r.set_creator(surface); incident.add_generated(r); return(r); } return(null); }
List <TracedRay> process_rays(Stop surface, TraceIntensityMode m, RayTraceResults result, List <TracedRay> input) { List <TracedRay> rays = new(); foreach (TracedRay i in input) { TracedRay ray = i; Transform3 t = ray.get_creator().get_transform_to(surface); Vector3Pair local = t.transform_line(ray.get_ray()); Vector3 origin = surface.get_curve().intersect(local); if (origin != null) { if (origin.project_xy().len() < surface.get_external_radius()) { Vector3 normal = surface.get_curve().normal(origin); if (local.direction().z() < 0) { normal = normal.negate(); } result.add_intercepted(surface, ray); TracedRay cray = trace_ray(surface, m, result, ray, local, new Vector3Pair(origin, normal)); if (cray != null) { rays.Add(cray); } } } } return(rays); }