use bevy::{color::palettes::css::*, prelude::*}; use bevy_inspector_egui::{prelude::*, quick::ResourceInspectorPlugin}; use bevy_tweening::{lens::*, *}; mod utils; fn main() { App::default() .add_plugins(DefaultPlugins.set(WindowPlugin { primary_window: Some(Window { title: "TransformPositionLens".to_string(), resolution: (1400., 600.).into(), present_mode: bevy::window::PresentMode::Fifo, // vsync ..default() }), ..default() })) .init_resource::() .add_systems(Update, utils::close_on_esc) .add_plugins(TweeningPlugin) .add_plugins(ResourceInspectorPlugin::::default()) .add_systems(Startup, setup) .add_systems(Update, update_animation_speed) .run(); } #[derive(Copy, Clone, PartialEq, Resource, Reflect, InspectorOptions)] struct Options { #[inspector(min = 0.01, max = 100.)] speed: f32, } impl Default for Options { fn default() -> Self { Self { speed: 1. } } } fn setup(mut commands: Commands) { commands.spawn(Camera2d::default()); let size = 25.; let spacing = 1.5; let screen_x = 570.; let screen_y = 150.; let mut x = -screen_x; for ease_function in &[ EaseFunction::QuadraticIn, EaseFunction::QuadraticOut, EaseFunction::QuadraticInOut, EaseFunction::CubicIn, EaseFunction::CubicOut, EaseFunction::CubicInOut, EaseFunction::QuarticIn, EaseFunction::QuarticOut, EaseFunction::QuarticInOut, EaseFunction::QuinticIn, EaseFunction::QuinticOut, EaseFunction::QuinticInOut, EaseFunction::SineIn, EaseFunction::SineOut, EaseFunction::SineInOut, EaseFunction::CircularIn, EaseFunction::CircularOut, EaseFunction::CircularInOut, EaseFunction::ExponentialIn, EaseFunction::ExponentialOut, EaseFunction::ExponentialInOut, EaseFunction::ElasticIn, EaseFunction::ElasticOut, EaseFunction::ElasticInOut, EaseFunction::BackIn, EaseFunction::BackOut, EaseFunction::BackInOut, EaseFunction::BounceIn, EaseFunction::BounceOut, EaseFunction::BounceInOut, ] { let tween = Tween::new( *ease_function, std::time::Duration::from_secs(1), TransformPositionLens { start: Vec3::new(x, screen_y, 0.), end: Vec3::new(x, -screen_y, 0.), }, ) .with_repeat_count(RepeatCount::Infinite) .with_repeat_strategy(RepeatStrategy::MirroredRepeat); commands.spawn(( Sprite { color: RED.into(), custom_size: Some(Vec2::new(size, size)), ..default() }, Animator::new(tween), )); x += size * spacing; } } fn update_animation_speed(options: Res, mut animators: Query<&mut Animator>) { if !options.is_changed() { return; } for mut animator in animators.iter_mut() { animator.set_speed(options.speed); } }