*render_mode = state.render_modes[0].clone();
        state.reset();
        return;
    }
    *render_mode = RenderMode::Color;

    if !state.timesteps.is_empty() {
        playback.progress = state.timesteps.remove(0);
        state.step = state.step + 1;
        state.render_modes = SamplerState::default().render_modes;
        state.reset();
        // TODO: set fixed previous cameras for optical flow across timesteps
        return;
    }

    let views = std::mem::take(&mut buffered_sample.views);
    let sample: Sample = Sample {
        views,
        view_dim: camera_count as u32,
        aabb: buffered_sample.aabb,
    };

    let sender = SAMPLE_SENDER.get().unwrap();
    sender.send(sample).unwrap();

    if state.regenerate_scene {
        regenerate_event.send(RegenerateSceneEvent);
    }

    state.enabled = false;
}