Compare commits
6 Commits
b2b59d68d5
...
7d5335fb2e
Author | SHA1 | Date |
---|---|---|
Zynh Ludwig | 7d5335fb2e | |
Zynh Ludwig | f7c548074d | |
Zynh Ludwig | 6938bcd2d0 | |
Zynh Ludwig | 3d512db39b | |
Zynh Ludwig | ed8c679e57 | |
Zynh Ludwig | f6feef04e5 |
|
@ -1209,6 +1209,7 @@ name = "boids-rs"
|
|||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"bevy",
|
||||
"rand",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
@ -2962,6 +2963,15 @@ dependencies = [
|
|||
"unicode-xid",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "ppv-lite86"
|
||||
version = "0.2.20"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
|
||||
dependencies = [
|
||||
"zerocopy",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "presser"
|
||||
version = "0.3.1"
|
||||
|
@ -3013,6 +3023,18 @@ version = "0.8.5"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"rand_chacha",
|
||||
"rand_core",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_chacha"
|
||||
version = "0.3.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
|
||||
dependencies = [
|
||||
"ppv-lite86",
|
||||
"rand_core",
|
||||
]
|
||||
|
||||
|
@ -3021,6 +3043,9 @@ name = "rand_core"
|
|||
version = "0.6.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
|
||||
dependencies = [
|
||||
"getrandom",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "range-alloc"
|
||||
|
@ -4282,6 +4307,7 @@ version = "0.7.35"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
|
||||
dependencies = [
|
||||
"byteorder",
|
||||
"zerocopy-derive",
|
||||
]
|
||||
|
||||
|
|
|
@ -5,6 +5,7 @@ edition = "2021"
|
|||
|
||||
[dependencies]
|
||||
bevy = "0.14.1"
|
||||
rand = { version = "0.8.5", features = ["small_rng"] }
|
||||
|
||||
# Enable a small amount of optimization in the dev profile.
|
||||
[profile.dev]
|
||||
|
|
82
src/main.rs
82
src/main.rs
|
@ -1,15 +1,26 @@
|
|||
#![allow(unused)]
|
||||
|
||||
mod boid_mesh;
|
||||
mod boundary;
|
||||
|
||||
use bevy::{color::palettes::tailwind, prelude::*, sprite::MaterialMesh2dBundle};
|
||||
use boid_mesh::BoidMesh;
|
||||
use rand::{Rng, SeedableRng};
|
||||
|
||||
fn main() {
|
||||
App::new()
|
||||
.init_resource::<BoidMesh>()
|
||||
.add_plugins(DefaultPlugins)
|
||||
.add_systems(Startup, (boid_mesh::build_boid_mesh, setup).chain())
|
||||
.add_systems(Update, (move_boids, boundary::boid_border_teleport).chain())
|
||||
.add_systems(
|
||||
Update,
|
||||
(
|
||||
(seperation, cohesion, alignment),
|
||||
move_boids,
|
||||
boundary::boid_border_teleport,
|
||||
)
|
||||
.chain(),
|
||||
)
|
||||
.run();
|
||||
}
|
||||
|
||||
|
@ -20,19 +31,19 @@ struct Boid;
|
|||
struct Velocity(Vec2);
|
||||
|
||||
#[derive(Component, Default)]
|
||||
struct SeperationCache(Vec2);
|
||||
struct SeperationAcceleration(Vec2);
|
||||
|
||||
#[derive(Component, Default)]
|
||||
struct CohesionCache(Vec2);
|
||||
struct CohesionAcceleration(Vec2);
|
||||
|
||||
#[derive(Component, Default)]
|
||||
struct AlignmentCache(Vec2);
|
||||
struct AlignmentAcceleration(Vec2);
|
||||
|
||||
#[derive(Bundle, Default)]
|
||||
struct BoidCacheBundle {
|
||||
s_cache: SeperationCache,
|
||||
c_cache: CohesionCache,
|
||||
a_cache: AlignmentCache,
|
||||
struct BoidAccelerationBundle {
|
||||
s_cache: SeperationAcceleration,
|
||||
c_cache: CohesionAcceleration,
|
||||
a_cache: AlignmentAcceleration,
|
||||
}
|
||||
|
||||
#[derive(Bundle, Default)]
|
||||
|
@ -40,34 +51,61 @@ struct BoidBundle {
|
|||
mesh: MaterialMesh2dBundle<ColorMaterial>,
|
||||
velocity: Velocity,
|
||||
boid: Boid,
|
||||
cache: BoidCacheBundle,
|
||||
cache: BoidAccelerationBundle,
|
||||
}
|
||||
|
||||
fn seperation(mut boids: Query<(&Transform, &mut SeperationCache), With<Boid>>) {}
|
||||
fn seperation(mut boids: Query<(Entity, &Transform, &mut SeperationAcceleration), With<Boid>>) {}
|
||||
|
||||
fn cohesion(mut boids: Query<(Entity, &Transform, &mut SeperationAcceleration), With<Boid>>) {}
|
||||
|
||||
fn alignment(mut boids: Query<(Entity, &Transform, &mut SeperationAcceleration), With<Boid>>) {}
|
||||
|
||||
fn move_boids(mut boids: Query<(&mut Transform, &Velocity), With<Boid>>, time: Res<Time>) {
|
||||
for (mut transform, velocity) in &mut boids {
|
||||
boids.par_iter_mut().for_each(|(mut transform, velocity)| {
|
||||
transform.translation += velocity.0.extend(0.) * time.delta_seconds();
|
||||
}
|
||||
transform.rotation =
|
||||
Quat::from_rotation_z(velocity.0.to_angle() - std::f32::consts::FRAC_PI_2);
|
||||
});
|
||||
}
|
||||
|
||||
fn setup(
|
||||
mut commands: Commands,
|
||||
mut materials: ResMut<Assets<ColorMaterial>>,
|
||||
boid_mesh: Res<BoidMesh>,
|
||||
windows: Query<&Window>,
|
||||
) {
|
||||
commands.spawn(Camera2dBundle::default());
|
||||
let window = windows.get_single().unwrap();
|
||||
let half_width = window.resolution.width() / 4.;
|
||||
let half_height = window.resolution.height() / 2.;
|
||||
|
||||
let boid_color = materials.add(Color::from(tailwind::NEUTRAL_50));
|
||||
|
||||
commands.spawn(BoidBundle {
|
||||
mesh: MaterialMesh2dBundle {
|
||||
mesh: boid_mesh.0.clone(),
|
||||
material: boid_color,
|
||||
transform: Transform::from_scale(Vec3::splat(2.5)),
|
||||
let mut small_rng = rand::rngs::SmallRng::from_entropy();
|
||||
let lower_width = -half_width;
|
||||
let upper_width = half_width;
|
||||
let lower_height = -half_height;
|
||||
let upper_height = half_height;
|
||||
|
||||
for i in 0..1000 {
|
||||
use std::f32::consts::TAU;
|
||||
|
||||
let x = small_rng.gen_range(lower_width..=upper_width);
|
||||
let y = small_rng.gen_range(lower_height..=upper_height);
|
||||
|
||||
let angle = small_rng.gen_range(-TAU..=TAU);
|
||||
|
||||
commands.spawn(BoidBundle {
|
||||
mesh: MaterialMesh2dBundle {
|
||||
mesh: boid_mesh.0.clone(),
|
||||
material: boid_color.clone(),
|
||||
transform: Transform::from_scale(Vec3::splat(2.5))
|
||||
.with_translation(Vec3::new(x, y, 0.)),
|
||||
..default()
|
||||
},
|
||||
velocity: Velocity(Vec2::from_angle(angle) * 200.),
|
||||
..default()
|
||||
},
|
||||
velocity: Velocity(Vec2::Y * 100.),
|
||||
..default()
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
commands.spawn(Camera2dBundle::default());
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue