use bevy::prelude::*;
use bevy_easy_portals::{Portal, PortalPlugin}

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

fn setup(
    mut commands: Commands,
    mut materials: ResMut<Assets<StandardMaterial>>,
    mut meshes: ResMut<Assets<Mesh>>,
) {
    let primary_camera = commands
        .spawn((Camera3d::default(), Transform::from_xyz(0.0, 0.0, 10.0)))
        .id();

    // Spawn something for the portal to look at
    commands.spawn((
        Mesh3d(meshes.add(Cuboid::default())),
        MeshMaterial3d(materials.add(Color::WHITE)),
        Transform::from_xyz(10.0, 0.0, 0.0),
    ));

    // Where the portal's target camera should be
    let target = commands.spawn(Transform::from_xyz(10.0, 0.0, 10.0)).id();
    // Where the portal should be located
    let portal_transform = Transform::default();
    // Spawn the portal, omit a material since one will be added automatically
    commands.spawn((
        Mesh3d(meshes.add(Rectangle::default())),
        portal_transform,
        Portal::new(primary_camera, target),
    ));
}