added specular

[csgray] / src / csgimpl.h

diff --git a/src/csgimpl.h b/src/csgimpl.h
index ab92f1e..19cd43a 100644 (file)
--- a/src/csgimpl.h
+++ b/src/csgimpl.h
@@ -21,6 +21,7 @@ struct object {
        float emr, emg, emb;
        float roughness;
        float opacity;
+       int metallic;
 
        float xform[16], inv_xform[16];