59 lines
1.6 KiB
Rust
59 lines
1.6 KiB
Rust
//! Shows how to emit an event from the host to the webview.
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use bevy::prelude::*;
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use bevy::time::common_conditions::on_timer;
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use bevy_cef::prelude::*;
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use std::time::Duration;
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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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(spawn_camera, spawn_directional_light, spawn_webview),
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)
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.add_systems(Update, emit_count.run_if(on_timer(Duration::from_secs(1))))
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.run();
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}
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#[derive(Component)]
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struct DebugWebview;
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fn spawn_camera(mut commands: Commands) {
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commands.spawn((
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Camera3d::default(),
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Transform::from_translation(Vec3::new(0., 0., 3.)).looking_at(Vec3::ZERO, Vec3::Y),
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));
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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::default(),
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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 spawn_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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DebugWebview,
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CefWebviewUri::local("host_emit.html"),
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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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));
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}
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fn emit_count(
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mut commands: Commands,
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mut count: Local<usize>,
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webviews: Query<Entity, With<DebugWebview>>,
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) {
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*count += 1;
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commands
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.entity(webviews.single().unwrap())
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.trigger(HostEmitEvent::new("count", &*count));
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}
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