Enum OctreeNode 

pub enum OctreeNode {
    Empty,
    Leaf {
        body_idx: usize,
        pos: Vec3,
        mass: f64,
    },
    Internal {
        center_of_mass: Vec3,
        total_mass: f64,
        children: Box<[OctreeNode; 8]>,
        min: Vec3,
        max: Vec3,
    },
}

Node in the Barnes-Hut octree.

Variants

Empty

Leaf

Fields

body_idx: usize

pos: Vec3

mass: f64

Internal

Fields

center_of_mass: Vec3

total_mass: f64

children: Box<[OctreeNode; 8]>

min: Vec3

max: Vec3

Implementations

impl OctreeNode

pub fn insert( &mut self, body_idx: usize, pos: Vec3, mass: f64, min: Vec3, max: Vec3, )

pub fn compute_accel(&self, pos: Vec3, theta: f64, eps2: f64) -> Vec3

Trait Implementations

impl Clone for OctreeNode

fn clone(&self) -> OctreeNode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OctreeNode

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

Formats the value using the given formatter.

impl Default for OctreeNode

fn default() -> Self

Returns the “default value” for a type.