25 lines
666 B
Rust
25 lines
666 B
Rust
use bevy::prelude::*;
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use bevy::render::camera::Camera;
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pub fn startup(mut commands: Commands) {
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let mut bundle = (Camera2dBundle::default(), IsDefaultUiCamera);
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bundle.0.projection.scale = 0.5;
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commands.spawn(bundle);
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}
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#[derive(Component, Debug)]
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pub struct Watched;
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pub fn update(
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watched: Query<&Transform, With<Watched>>,
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mut camera: Query<&mut Transform, (With<Camera>, Without<Watched>)>,
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) {
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if let Ok(mut camera) = camera.get_single_mut() {
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if let Ok(watched) = watched.get_single() {
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camera.translation.x = watched.translation.x
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} else {
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camera.translation = Vec3::ZERO;
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}
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}
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}
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