Struct PoissonSolver 

pub struct PoissonSolver {
    pub resolution: usize,
    pub bounds: (Vec3, Vec3),
    pub density: Vec<f64>,
    pub potential: Vec<f64>,
    pub max_iter: usize,
    pub tolerance: f64,
}

Poisson solver for local gravity fields.

Fields

resolution: usize

Grid resolution (cells per dimension).

bounds: (Vec3, Vec3)

Grid bounds (min, max).

density: Vec<f64>

Density grid (kg/m³).

potential: Vec<f64>

Potential grid Φ (m²/s²).

max_iter: usize

Max Jacobi iterations.

tolerance: f64

Convergence tolerance.

Implementations

impl PoissonSolver

pub fn new(resolution: usize, bounds: (Vec3, Vec3)) -> Self

Create a new Poisson solver.

pub fn deposit_density(&mut self, particles: &[GravityParticle])

Deposit particle mass onto density grid (cloud-in-cell).

pub fn solve_poisson(&mut self)

Solve Poisson equation using Jacobi iteration.

pub fn force_at(&self, x: Vec3) -> Vec3

Compute gravitational force at a position via finite-difference gradient.

Trait Implementations

impl Clone for PoissonSolver

fn clone(&self) -> PoissonSolver

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PoissonSolver

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl GravitySolver for PoissonSolver

fn compute_forces(&mut self, particles: &mut [GravityParticle])

Compute gravitational forces on all particles.

fn potential_energy(&self, particles: &[GravityParticle]) -> f64

Compute gravitational potential energy of the system.