bevy_variable_property 0.5.0

A generic way to define properties as static, random, or randomized on an interval
Documentation 
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use bevy::prelude::*;
use bevy_variable_property::prelude::*;

#[derive(Component)]
struct MyComponent(pub IntervalProperty<Property<f32>>);

fn main() {
    App::new()
        .add_plugins(DefaultPlugins)
        .add_systems(Startup, setup)
        .add_systems(Update, tick)
        .run();
}

fn setup(mut commands: Commands) {
    commands.spawn(Camera2d::default());
    commands.spawn(MyComponent(IntervalProperty::new(
        (0.0..=100.0).into(),
        0.5,
    )));
}

fn tick(mut query: Query<&mut MyComponent>, time: Res<Time>) {
    for mut component in query.iter_mut() {
        if let Some(v) = component.0.tick_value(time.delta()) {
            println!("{:?}", v);
        }
    }
}