Method on_update

samples/gl-render-texture/gl-render-texture.cpp:159–165

}

void sample_gl_render_offscreen::on_update(const app_update_event & e)
{
    int width, height;
    glfwGetWindowSize(window, &width, &height);
    shader_mon.handle_recompile();
    flycam.update(e.timestep_ms);
}

void sample_gl_render_offscreen::on_draw()
{