e995f71a9b
This PR improves the `fps_overlay` example by adding: 1. The ability to increase the overlay font size (previously, only decreasing the size was supported). 2. A toggle for overlay color between red and green (previously, it only changed from green to red without toggling back).
86 lines
2.6 KiB
Rust
86 lines
2.6 KiB
Rust
//! Showcase how to use and configure FPS overlay.
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use bevy::{
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dev_tools::fps_overlay::{FpsOverlayConfig, FpsOverlayPlugin},
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prelude::*,
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};
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struct OverlayColor;
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impl OverlayColor {
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const RED: Color = Color::srgb(1.0, 0.0, 0.0);
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const GREEN: Color = Color::srgb(0.0, 1.0, 0.0);
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}
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fn main() {
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App::new()
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.add_plugins((
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DefaultPlugins,
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FpsOverlayPlugin {
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config: FpsOverlayConfig {
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text_config: TextStyle {
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// Here we define size of our overlay
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font_size: 42.0,
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// We can also change color of the overlay
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color: OverlayColor::GREEN,
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// If we want, we can use a custom font
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font: default(),
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},
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enabled: true,
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},
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},
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))
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.add_systems(Startup, setup)
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.add_systems(Update, customize_config)
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.run();
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}
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fn setup(mut commands: Commands) {
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// We need to spawn a camera (2d or 3d) to see the overlay
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commands.spawn(Camera2d);
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// Instruction text
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commands
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.spawn(NodeBundle {
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style: Style {
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width: Val::Percent(100.0),
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height: Val::Percent(100.0),
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align_items: AlignItems::Center,
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justify_content: JustifyContent::Center,
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..default()
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},
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..default()
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})
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.with_children(|c| {
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c.spawn(TextBundle::from_section(
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concat!(
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"Press 1 to toggle the overlay color.\n",
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"Press 2 to decrease the overlay size.\n",
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"Press 3 to increase the overlay size.\n",
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"Press 4 to toggle the overlay visibility."
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),
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TextStyle::default(),
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));
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});
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}
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fn customize_config(input: Res<ButtonInput<KeyCode>>, mut overlay: ResMut<FpsOverlayConfig>) {
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if input.just_pressed(KeyCode::Digit1) {
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// Changing resource will affect overlay
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if overlay.text_config.color == OverlayColor::GREEN {
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overlay.text_config.color = OverlayColor::RED;
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} else {
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overlay.text_config.color = OverlayColor::GREEN;
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}
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}
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if input.just_pressed(KeyCode::Digit2) {
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overlay.text_config.font_size -= 2.0;
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}
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if input.just_pressed(KeyCode::Digit3) {
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overlay.text_config.font_size += 2.0;
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}
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if input.just_pressed(KeyCode::Digit4) {
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overlay.enabled = !overlay.enabled;
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}
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}
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