Invert 'Tr'. Fixes #43.

2015-06-20 19:41:41 +09:00
parent 1adfc794ae
commit 805bd814fa
1 changed files with 2 additions and 1 deletions
--- a/tiny_obj_loader.cc
+++ b/tiny_obj_loader.cc
@@ -555,7 +555,8 @@ std::string LoadMtl(std::map<std::string, int> &material_map,
    }
    if (token[0] == 'T' && token[1] == 'r' && isSpace(token[2])) {
      token += 2;
-      material.dissolve = parseFloat(token);
+      // Invert value of Tr(assume Tr is in range [0, 1])
+      material.dissolve = 1.0 - parseFloat(token);
      continue;
    }