star-geometry-3d

commit 5366b16fb09731a902a2a9f1c3b0b340f5513025
parent bdc86e5d6be19374c61e4fe96dc73c70954797ff
Author: Christophe Coustet <christophe.coustet@meso-star.com>
Date:   Thu, 19 Dec 2019 14:20:00 +0100

Fix helper function

Diffstat:
M
src/sg3_senc_helper.h
 | 
6
++++--

1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/sg3_senc_helper.h b/src/sg3_senc_helper.h
@@ -50,8 +50,10 @@ sg3_senc_geometry_get_media__
   ASSERT(media && geometry);
   r = sg3_geometry_get_unique_triangle_properties(geometry, itri, tmp);
   ASSERT(r == RES_OK); (void)r;
-  media[SENC_FRONT] = tmp[SG3_FRONT];
-  media[SENC_BACK] = tmp[SG3_BACK];
+  media[SENC_FRONT] = (tmp[SG3_FRONT] == SG3_UNDEFINED_PROPERTY)
+    ? SENC_UNDEFINED_MEDIUM : tmp[SG3_FRONT];
+  media[SENC_BACK] = (tmp[SG3_BACK] == SG3_UNDEFINED_PROPERTY)
+    ? SENC_UNDEFINED_MEDIUM : tmp[SG3_BACK];
 }
 
 /* Get vertex indices for the itri_th triangle.