Method draw

src/visualization/components/background.cpp:77–84

}

void Background::draw(const mat4&, const mat4&) {
    background_prog.use();

    gl_canvas_ref().glEnableVertexAttribArray(0);
    gl_canvas_ref().glBindBuffer(GL_ARRAY_BUFFER, background_vbo);
    gl_canvas_ref().glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, nullptr);
    gl_canvas_ref().glDrawArrays(GL_TRIANGLES, 0, 6);
}

constexpr int Background::render_index() const {
    return -100;