Method ~vector_field_impl

src/backend/opengl/vector_field_impl.cpp:152–159

}

vector_field_impl::~vector_field_impl()
{
    for (auto it = mVAOMap.begin(); it!=mVAOMap.end(); ++it) {
        GLuint vao = it->second;
        glDeleteVertexArrays(1, &vao);
    }
    glDeleteBuffers(1, &mDBO);
}

GLuint vector_field_impl::directions()
{