diff --git a/src/models.c b/src/models.c index fd423309..e34099e6 100644 --- a/src/models.c +++ b/src/models.c @@ -3243,7 +3243,9 @@ static Model LoadIQM(const char *fileName) for (unsigned int i = imesh[m].first_triangle; i < (imesh[m].first_triangle + imesh[m].num_triangles); i++) { - // IQM triangles are stored counter clockwise, but raylib sets opengl to clockwise drawing, so we swap them around + // IQM triangles indexes are stored in counter-clockwise, but raylib processes the index in linear order, + // expecting they point to the counter-clockwise vertex triangle, so we need to reverse triangle indexes + // NOTE: raylib renders vertex data in counter-clockwise order (standard convention) by default model.meshes[m].indices[tcounter + 2] = tri[i].vertex[0] - imesh[m].first_vertex; model.meshes[m].indices[tcounter + 1] = tri[i].vertex[1] - imesh[m].first_vertex; model.meshes[m].indices[tcounter] = tri[i].vertex[2] - imesh[m].first_vertex;