bevy_ym2149_viz 0.9.1

Visualization systems for the bevy_ym2149 plugin (oscilloscope, spectrum, HUD)
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bevy_ym2149_viz – YM2149 Visualization Helpers

Crates.io Docs.rs License: MIT

UI companion crate for bevy_ym2149. It wires oscilloscope traces, spectrum bars, progress HUDs, and playlist indicators into your Bevy scene so you can focus on audio/gameplay logic.

Features

  • Ym2149VizPlugin – registers the systems/resources needed to keep UI widgets in sync with Ym2149Playback
  • Builder helpers (create_status_display, create_channel_visualization, create_detailed_channel_display, create_oscilloscope) for instant layouts
  • Component types (SongInfoDisplay, SpectrumBar, OscilloscopePoint, SongProgressFill, …) are public so custom UIs can reuse the same systems
  • Systems (update_song_info, update_oscilloscope, update_song_progress, etc.) update nodes based on playback + channel snapshots

Usage

use bevy::prelude::*;
use bevy_ym2149::{Ym2149Playback, Ym2149Plugin};
use bevy_ym2149_viz::{
    create_status_display, create_channel_visualization, Ym2149VizPlugin,
};

fn main() {
    App::new()
        .add_plugins((DefaultPlugins, Ym2149Plugin::default(), Ym2149VizPlugin::default()))
        .add_systems(Startup, setup)
        .run();
}

fn setup(mut commands: Commands) {
    commands.spawn(Camera2d);
    commands.spawn(Ym2149Playback::new("assets/music/ND-Toxygene.ym"));

    create_status_display(&mut commands);
    create_channel_visualization(&mut commands, 3);
}

Need more elaborate UI? Inspect the advanced_example or demoscene demos in bevy_ym2149_examples.

License

MIT – matches the rest of the workspace.