Files
bevy_cef/examples/zoom_level.rs
not-elm 23bdc65da3 INIT
2025-08-10 21:28:45 +09:00

55 lines
1.5 KiB
Rust

//! Shows how to change the zoom level of a webview.
use bevy::input::mouse::MouseWheel;
use bevy::prelude::*;
use bevy_cef::prelude::*;
fn main() {
App::new()
.add_plugins((DefaultPlugins, CefPlugin))
.add_systems(
Startup,
(spawn_camera, spawn_directional_light, spawn_webview),
)
.add_systems(Update, change_zoom_level)
.run();
}
fn spawn_camera(mut commands: Commands) {
commands.spawn((
Camera3d::default(),
Transform::from_translation(Vec3::new(0., 0., 3.)).looking_at(Vec3::ZERO, Vec3::Y),
));
}
fn spawn_directional_light(mut commands: Commands) {
commands.spawn((
DirectionalLight::default(),
Transform::from_translation(Vec3::new(1., 1., 1.)).looking_at(Vec3::ZERO, Vec3::Y),
));
}
fn spawn_webview(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<WebviewExtendStandardMaterial>>,
) {
commands.spawn((
CefWebviewUri("https://bevy.org/".to_string()),
Mesh3d(meshes.add(Plane3d::new(Vec3::Z, Vec2::ONE))),
MeshMaterial3d(materials.add(WebviewExtendStandardMaterial::default())),
));
}
fn change_zoom_level(mut er: EventReader<MouseWheel>, mut webviews: Query<&mut ZoomLevel>) {
for event in er.read() {
webviews.par_iter_mut().for_each(|mut level| {
if event.y > 0.0 {
level.0 += 0.1; // Zoom in
} else if event.y < 0.0 {
level.0 -= 0.1; // Zoom out
}
});
}
}