127 lines
4.0 KiB
Rust
127 lines
4.0 KiB
Rust
use bevy::input::common_conditions::input_pressed;
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use bevy::prelude::*;
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use bevy::window::PrimaryWindow;
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use bevy_cef::prelude::*;
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fn main() {
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App::new()
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.add_plugins((DefaultPlugins, CefPlugin))
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.add_systems(
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Startup,
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(
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spawn_camera,
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spawn_directional_light,
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spawn_github_webview,
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spawn_google_search_webview,
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spawn_ground,
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enable_ime,
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),
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)
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.insert_resource(AmbientLight::default())
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.add_systems(
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Update,
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(
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walk::<1, 0>.run_if(input_pressed(KeyCode::ArrowRight)),
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walk::<-1, 0>.run_if(input_pressed(KeyCode::ArrowLeft)),
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walk::<0, 1>.run_if(input_pressed(KeyCode::ArrowUp)),
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walk::<0, -1>.run_if(input_pressed(KeyCode::ArrowDown)),
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rotate_camera::<1>.run_if(input_pressed(KeyCode::Digit1)),
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rotate_camera::<-1>.run_if(input_pressed(KeyCode::Digit2)),
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),
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)
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.run();
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}
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fn spawn_camera(mut commands: Commands) {
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commands.spawn(Camera3d::default());
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}
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fn spawn_directional_light(mut commands: Commands) {
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commands.spawn((
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DirectionalLight {
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shadows_enabled: true,
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..default()
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},
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Transform::from_translation(Vec3::new(1., 1., 1.)).looking_at(Vec3::ZERO, Vec3::Y),
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));
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}
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fn enable_ime(mut primary_window: Query<&mut Window, With<PrimaryWindow>>) {
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primary_window.single_mut().unwrap().ime_enabled = true;
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}
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fn spawn_github_webview(
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mut commands: Commands,
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<WebviewExtendStandardMaterial>>,
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) {
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commands.spawn((
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CefWebviewUri("https://github.com/not-elm".to_string()),
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Mesh3d(meshes.add(Plane3d::new(Vec3::Z, Vec2::ONE))),
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WebviewSize(Vec2::splat(800.0)),
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MeshMaterial3d(materials.add(WebviewExtendStandardMaterial::default())),
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Transform::from_translation(Vec3::new(1.5, 0., -4.0)),
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));
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}
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fn spawn_google_search_webview(
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mut commands: Commands,
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<WebviewExtendStandardMaterial>>,
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) {
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commands.spawn((
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CefWebviewUri("https://www.youtube.com/".to_string()),
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WebviewSize(Vec2::splat(800.0)),
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Mesh3d(meshes.add(Plane3d::new(Vec3::Z, Vec2::ONE))),
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MeshMaterial3d(materials.add(WebviewExtendStandardMaterial::default())),
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Transform::from_translation(Vec3::new(-1.5, 0., -4.0)), // .with_rotation(Quat::from_rotation_y(-90f32.to_radians())),
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));
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}
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fn spawn_ground(
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mut commands: Commands,
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<StandardMaterial>>,
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) {
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commands.spawn((
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Mesh3d(meshes.add(Plane3d::new(Vec3::Y, Vec2::new(10., 10.)))),
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MeshMaterial3d(materials.add(StandardMaterial {
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base_color: Color::srgba(0.8, 0.8, 0.8, 1.0),
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..default()
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})),
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Transform::from_translation(Vec3::new(0., -2., 0.)),
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));
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}
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fn walk<const X: isize, const Z: isize>(
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mut q: Query<&mut Transform, With<Camera3d>>,
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time: Res<Time>,
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) {
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for mut t in &mut q {
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const SPEED: f32 = 1.5; // 調整可
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let dt = time.delta_secs();
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let up = Vec3::Y;
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let mut f = t.forward().as_vec3();
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f = (f - up * f.dot(up)).normalize_or_zero();
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let r = f.cross(up).normalize_or_zero();
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let input = Vec2::new(X as f32, Z as f32);
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if input.length_squared() > 0.0 {
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let dir = (r * input.x + f * input.y).normalize_or_zero();
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t.translation += dir * SPEED * dt;
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}
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}
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}
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fn rotate_camera<const X: isize>(
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mut transforms: Query<&mut Transform, With<Camera3d>>,
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time: Res<Time>,
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) {
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for mut transform in transforms.iter_mut() {
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const SPEED: f32 = 1.0;
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let rotation = Quat::from_rotation_y(SPEED * time.delta_secs() * X as f32);
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transform.rotation *= rotation;
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}
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}
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