use ;
/// Resource that defines world's gravity.
///
/// # Example
///
/// ```
/// # use bevy::prelude::*;
/// # use heron_core::*;
///
/// fn main() {
/// App::build()
/// // ... Add plugins
/// .add_resource(Gravity::from(Vec3::new(0.0, -9.81, 0.0)))
/// // ... Add systems
/// .run();
/// }
/// ```
;