Check that positions exist before accessing them

2021-11-26 13:01:38 +00:00
parent 0015823bef
commit 5e1188c44e
1 changed files with 3 additions and 1 deletions
--- a/include/assimp/Vertex.h
+++ b/include/assimp/Vertex.h
@@ -135,7 +135,9 @@ public:
    /** Extract a particular vertex from a anim mesh and interleave all components */
    explicit Vertex(const aiAnimMesh* msh, unsigned int idx) {
        ai_assert(idx < msh->mNumVertices);
-        position = msh->mVertices[idx];
+        if (msh->HasPositions()) {
+            position = msh->mVertices[idx];
+        }

        if (msh->HasNormals()) {
            normal = msh->mNormals[idx];