bevy_feronia 0.8.4

#[path = "utils/example.rs"]
mod example;

use bevy::prelude::*;
use bevy_camera::primitives::Aabb;
use bevy_color::palettes::tailwind::*;
use bevy_feronia::prelude::*;
use bevy_mesh::PlaneMeshBuilder;
use bevy_pbr::ExtendedMaterial;
use example::*;

fn main() -> AppExit {
    App::new()
        .add_plugins((
            ExamplePlugin,
            // Don't need any of the scatter plugins if we just want to have wind-affected materials,
            // but we do need to add the `WindPlugin` manually.
            //
            // Some features that depend on the `ScatterAssets` won't work automatically e.g.,
            // syncing the wind of the materials with the resource.
            WindPlugin,
            ExtendedWindAffectedPlugin,
        ))
        // Need to wait for the wind noise texture.
        .add_systems(Startup, setup.after(WindTextureSetup))
        .run()
}

fn setup(
    mut cmd: Commands,
    mut materials: ResMut<Assets<StandardMaterial>>,
    mut extended_materials: ResMut<Assets<ExtendedWindAffectedMaterial>>,
    mut meshes: ResMut<Assets<Mesh>>,
    global_wind: Res<GlobalWind>,
    noise_texture: Res<WindTexture>,
) {
    let wind = global_wind.current;
    let mesh_handle = meshes.add(Cuboid::new(0.5, 3.0, 0.5));

    let material_handle = extended_materials.add(ExtendedMaterial {
        base: StandardMaterial {
            base_color: GREEN_500.into(),
            ..default()
        },
        extension: WindAffectedExtension {
            // Only clone the wind here in this example, if you want wind updates to be synced to the materials,
            // you need an update system.
            current: wind,
            previous: wind,
            aabb: Aabb {
                half_extents: Vec3A::new(0.5, 3., 0.5),
                center: Vec3A::new(0.0, 0.0, 0.0),
            },
            options: ScatterMaterialOptions {
                // make it affected by wind
                wind: WindOptions {
                    affected: true,
                    ..default()
                },
                // can also tweak other settings here
                ..default()
            },
            noise_texture: (**noise_texture).clone(),
        },
    });

    cmd.spawn((
        MeshMaterial3d(materials.add(StandardMaterial {
            base_color: GRAY_500.into(),
            ..default()
        })),
        Mesh3d(meshes.add(PlaneMeshBuilder::from_length(80.).build())),
    ));

    cmd.spawn((MeshMaterial3d(material_handle), Mesh3d(mesh_handle.clone())));
}