Struct KeplerOrbitDemo 

pub struct KeplerOrbitDemo {

    pub position: Vec2,
    pub velocity: Vec2,
    pub mu: f64,
    pub time: f64,
    pub initial_energy: f64,
    pub initial_angular_momentum: f64,
    pub initial_semi_major_axis: f64,
    pub max_energy_drift: f64,
    pub max_angular_momentum_drift: f64,
    pub step_count: u64,
    pub integrator: IntegratorType,
    pub energy_tolerance: f64,
    pub angular_momentum_tolerance: f64,
    pub period_tolerance: f64,
    pub orbit_history: Vec<Vec2>,
    pub max_history: usize,
    pub perturbation_enabled: bool,
    pub perturber_position: Vec2,
    pub perturber_mu: f64,
    pub seed: u64,
    /* private fields */
}

Kepler Orbit demo state.

Fields

position: Vec2

Position vector (m).

velocity: Vec2

Velocity vector (m/s).

mu: f64

Gravitational parameter μ = GM (m³/s²).

time: f64

Current simulation time (s).

initial_energy: f64

Initial specific orbital energy.

initial_angular_momentum: f64

Initial angular momentum magnitude.

initial_semi_major_axis: f64

Initial semi-major axis.

max_energy_drift: f64

Maximum energy drift observed.

max_angular_momentum_drift: f64

Maximum angular momentum drift observed.

step_count: u64

Number of steps taken.

integrator: IntegratorType

Integrator type.

energy_tolerance: f64

Energy conservation tolerance.

angular_momentum_tolerance: f64

Angular momentum tolerance.

period_tolerance: f64

Period tolerance.

orbit_history: Vec<Vec2>

Position history for orbit plotting.

max_history: usize

Maximum history length.

perturbation_enabled: bool

Enable third body perturbation.

perturber_position: Vec2

Third body position (if enabled).

perturber_mu: f64

Third body mass parameter.

seed: u64

Seed for reproducibility.

Implementations

impl KeplerOrbitDemo

pub fn new(seed: u64) -> Self

Create a new Kepler orbit demo (Earth-like orbit).

pub fn with_eccentricity(seed: u64, eccentricity: f64) -> Self

Create orbit with specific eccentricity.

pub fn specific_energy(&self) -> f64

Calculate specific orbital energy: E = v²/2 - μ/r.

pub fn angular_momentum(&self) -> f64

Calculate angular momentum magnitude: L = |r × v|.

pub fn semi_major_axis(&self) -> f64

Calculate semi-major axis: a = -μ/(2E).

pub fn orbital_period(&self) -> f64

Calculate orbital period: T = 2π√(a³/μ).

pub fn eccentricity(&self) -> f64

Calculate eccentricity.

pub fn energy_drift(&self) -> f64

Get relative energy drift.

pub fn angular_momentum_drift(&self) -> f64

Get relative angular momentum drift.

pub fn set_perturbation(&mut self, enabled: bool)

Enable or disable perturbation.

pub fn set_integrator(&mut self, integrator: IntegratorType)

Set integrator type.

pub fn run_orbits(&mut self, num_orbits: f64, steps_per_orbit: usize)

Run simulation for given number of orbits.

pub fn true_anomaly(&self) -> f64

Get current true anomaly (angle in orbit).

Trait Implementations

impl Clone for KeplerOrbitDemo

fn clone(&self) -> KeplerOrbitDemo

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for KeplerOrbitDemo

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

Formats the value using the given formatter.

impl Default for KeplerOrbitDemo

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for KeplerOrbitDemo

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl EddDemo for KeplerOrbitDemo

fn name(&self) -> &'static str

Demo name for display.

fn emc_ref(&self) -> &'static str

EMC reference path.

fn step(&mut self, dt: f64)

Advance the simulation by one timestep.

fn verify_equation(&self) -> bool

Check if the governing equation is currently verified.

fn get_falsification_status(&self) -> FalsificationStatus

Get the current falsification status.

fn reset(&mut self)

Reset the demo to initial conditions.

impl Serialize for KeplerOrbitDemo

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.