1use bevy::math::ops::cos;
8use bevy::{
9 input::common_conditions::input_just_pressed,
10 prelude::*,
11 remote::{http::RemoteHttpPlugin, RemotePlugin},
12};
13use serde::{Deserialize, Serialize};
14
15fn main() {
16 App::new()
17 .add_plugins(DefaultPlugins)
18 .add_plugins(RemotePlugin::default())
19 .add_plugins(RemoteHttpPlugin::default())
20 .add_systems(Startup, setup)
21 .add_systems(Update, remove.run_if(input_just_pressed(KeyCode::Space)))
22 .add_systems(Update, move_cube)
23 .run();
24}
25
26fn setup(
27 mut commands: Commands,
28 mut meshes: ResMut<Assets<Mesh>>,
29 mut materials: ResMut<Assets<StandardMaterial>>,
30) {
31 commands.spawn((
33 Mesh3d(meshes.add(Circle::new(4.0))),
34 MeshMaterial3d(materials.add(Color::WHITE)),
35 Transform::from_rotation(Quat::from_rotation_x(-std::f32::consts::FRAC_PI_2)),
36 ));
37
38 commands.spawn((
40 Mesh3d(meshes.add(Cuboid::new(1.0, 1.0, 1.0))),
41 MeshMaterial3d(materials.add(Color::srgb_u8(124, 144, 255))),
42 Transform::from_xyz(0.0, 0.5, 0.0),
43 Cube(1.0),
44 ));
45
46 commands.insert_resource(TestResource {
48 foo: Vec2::new(1.0, -1.0),
49 bar: false,
50 });
51
52 commands.spawn((
54 PointLight {
55 shadows_enabled: true,
56 ..default()
57 },
58 Transform::from_xyz(4.0, 8.0, 4.0),
59 ));
60
61 commands.spawn((
63 Camera3d::default(),
64 Transform::from_xyz(-2.5, 4.5, 9.0).looking_at(Vec3::ZERO, Vec3::Y),
65 ));
66}
67
68#[derive(Resource, Reflect, Serialize, Deserialize)]
70#[reflect(Resource, Serialize, Deserialize)]
71pub struct TestResource {
72 pub foo: Vec2,
74
75 pub bar: bool,
77}
78
79fn move_cube(mut query: Query<&mut Transform, With<Cube>>, time: Res<Time>) {
80 for mut transform in &mut query {
81 transform.translation.y = -cos(time.elapsed_secs()) + 1.5;
82 }
83}
84
85fn remove(mut commands: Commands, cube_entity: Single<Entity, With<Cube>>) {
86 commands.entity(*cube_entity).remove::<Cube>();
87}
88
89#[derive(Component, Reflect, Serialize, Deserialize)]
90#[reflect(Component, Serialize, Deserialize)]
91struct Cube(f32);