1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
use nalgebra::{Point as PointBase, SVector};
pub const N: usize = 2;
pub type Scalar = f32;
pub type Vector = SVector<Scalar, N>;
pub type Point = PointBase<Scalar, N>;
#[derive(Debug)]
pub struct Particle {
pub mass: Scalar,
pub position: Point,
pub velocity: Vector,
/// Force accumulator
pub force: Vector,
}
impl Particle {
pub fn new(position: Point, mass: Scalar) -> Self {
Self {
mass,
position,
velocity: Vector::zeros(),
force: Vector::zeros(),
}
}
pub fn apply_force(&mut self, force: Vector) {
self.force += force;
}
pub fn reset_force(&mut self) {
self.force = Vector::zeros()
}
}
#[derive(Debug)]
pub struct ParticleSystem {
pub particles: Vec<Particle>,
/// Simulation clock
pub t: Scalar,
}
pub trait Solver {
fn step(&mut self, dt: Scalar);
}
|
