stardis-solver

commit af831a26c8b2a3f72c082aab2cb4e726348fcf39
parent bf95ef4dc80dab2c44ca49cdfa6b156e9a0c242b
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Fri,  1 Mar 2019 09:21:20 +0100

Small adjustment of the scene_get_medium_<2d|3d> functions

Diffstat:
M
src/sdis_scene_Xd.h
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/sdis_scene_Xd.h b/src/sdis_scene_Xd.h
@@ -793,7 +793,7 @@ error:
 static INLINE res_T
 XD(scene_get_medium)
   (const struct sdis_scene* scn,
-   const double pos[2],
+   const double pos[DIM],
    struct get_medium_info* info, /* May be NULL */
    struct sdis_medium** out_medium)
 {
@@ -862,7 +862,8 @@ XD(scene_get_medium)
     fX(normalize)(N, hit.normal);
     cos_N_dir = fX(dot)(N, dir);
 
-    if(absf(cos_N_dir) > 1.e-1f) { /* Not roughly orthognonal */
+    /* Not too close and not roughly orthognonal */
+    if(hit.distance > 1.e-6 || absf(cos_N_dir) > 1.e-1f) {
       const struct sdis_interface* interf;
       interf = scene_get_interface(scn, hit.prim.prim_id);
       medium = interface_get_medium