bevy_asky 0.5.0

A simple question-and-answer UI middleware for Bevy
Documentation 
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use bevy::prelude::*;

pub(super) fn plugin(app: &mut App) {
    app.register_type::<InteractionPalette>();
    app.add_systems(Update, apply_interaction_palette);
}

pub type InteractionQuery<'w, 's, T> =
    Query<'w, 's, (&'static Interaction, T), Changed<Interaction>>;

/// Palette for widget interactions.
#[derive(Component, Debug, Reflect, Clone)]
#[reflect(Component)]
pub struct InteractionPalette {
    pub none: Color,
    pub hovered: Color,
    pub pressed: Color,
}

impl Default for InteractionPalette {
    fn default() -> Self {
        Self {
            none: Color::BLACK,
            hovered: Color::WHITE.mix(&Color::BLACK, 0.5),
            pressed: Color::WHITE,
        }
    }
}

fn apply_interaction_palette(
    mut palette_query: InteractionQuery<(&InteractionPalette, &mut BackgroundColor)>,
) {
    for (interaction, (palette, mut background)) in &mut palette_query {
        *background = match interaction {
            Interaction::None => palette.none,
            Interaction::Hovered => palette.hovered,
            Interaction::Pressed => palette.pressed,
        }
        .into();
    }
}