112 lines
3.2 KiB
Rust
112 lines
3.2 KiB
Rust
use std::f32::consts::{PI, TAU};
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use bevy::prelude::{shape::Torus, *};
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use bevy_mod_outline::*;
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#[bevy_main]
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fn main() {
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App::new()
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.insert_resource(Msaa { samples: 4 })
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.insert_resource(ClearColor(Color::BLACK))
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.add_plugins(DefaultPlugins)
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.add_plugin(OutlinePlugin)
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.add_startup_system(setup)
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.add_system(wobble)
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.add_system(orbit)
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.run();
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}
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#[derive(Component)]
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struct Wobbles;
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#[derive(Component)]
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struct Orbits;
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fn setup(
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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_bundle(PbrBundle {
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mesh: meshes.add(Mesh::from(bevy::prelude::shape::Plane { size: 5.0 })),
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material: materials.add(Color::rgb(0.3, 0.5, 0.3).into()),
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..default()
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});
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commands
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.spawn_bundle(PbrBundle {
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mesh: meshes.add(Mesh::from(Torus {
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radius: 0.6,
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ring_radius: 0.2,
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subdivisions_segments: 20,
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subdivisions_sides: 10,
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})),
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material: materials.add(Color::rgb(0.1, 0.1, 0.9).into()),
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transform: Transform::from_xyz(0.0, 1.0, 0.0),
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..default()
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})
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.insert(Outline {
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colour: Color::rgba(0.0, 1.0, 0.0, 1.0),
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width: 25.0,
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})
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.insert(OutlineStencil)
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.insert(Wobbles);
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commands
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.spawn_bundle(PbrBundle {
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mesh: meshes.add(Mesh::from(Torus {
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radius: 0.3,
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ring_radius: 0.1,
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subdivisions_segments: 20,
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subdivisions_sides: 10,
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})),
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material: materials.add(Color::rgb(0.9, 0.1, 0.1).into()),
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transform: Transform::from_xyz(0.0, 1.2, 2.0)
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.with_rotation(Quat::from_rotation_x(0.5 * PI)),
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..default()
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})
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.insert(Outline {
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colour: Color::rgba(1.0, 0.0, 1.0, 0.3),
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width: 15.0,
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})
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.insert(OutlineStencil)
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.insert(Orbits);
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commands.spawn_bundle(PointLightBundle {
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point_light: PointLight {
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intensity: 1500.0,
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shadows_enabled: true,
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..default()
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},
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transform: Transform::from_xyz(4.0, 8.0, 4.0),
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..default()
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});
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commands.spawn_bundle(Camera3dBundle {
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transform: Transform::from_xyz(-2.0, 2.5, 5.0).looking_at(Vec3::ZERO, Vec3::Y),
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..default()
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});
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}
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fn wobble(mut query: Query<&mut Transform, With<Wobbles>>, timer: Res<Time>, mut t: Local<f32>) {
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let ta = *t;
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*t = (ta + 0.5 * timer.delta_seconds()) % TAU;
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let tb = *t;
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let i1 = tb.cos() - ta.cos();
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let i2 = ta.sin() - tb.sin();
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for mut transform in query.iter_mut() {
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transform.rotate(Quat::from_rotation_z(
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TAU * 20.0 * i1 * timer.delta_seconds(),
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));
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transform.rotate(Quat::from_rotation_y(
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TAU * 20.0 * i2 * timer.delta_seconds(),
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));
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}
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}
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fn orbit(mut query: Query<&mut Transform, With<Orbits>>, timer: Res<Time>) {
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for mut transform in query.iter_mut() {
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transform.translate_around(
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Vec3::ZERO,
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Quat::from_rotation_y(0.4 * timer.delta_seconds()),
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)
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}
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}
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