Struct HermiteSpline 

pub struct HermiteSpline {
    pub knots: Vec<(Vec3, Vec3)>,
    pub times: Vec<f32>,
}

Cubic Hermite spline: interpolates positions and velocities at each knot.

Fields

knots: Vec<(Vec3, Vec3)>

(position, tangent) pairs.

times: Vec<f32>

Implementations

impl HermiteSpline

pub fn new() -> Self

pub fn add_knot(self, t: f32, pos: Vec3, tangent: Vec3) -> Self

Trait Implementations

impl Clone for HermiteSpline

fn clone(&self) -> HermiteSpline

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Curve for HermiteSpline

fn sample(&self, t: f32) -> Vec3

Sample position at parameter t ∈ [0, 1].

fn tangent(&self, t: f32) -> Vec3

Sample tangent (unnormalized derivative) at t.

fn unit_tangent(&self, t: f32) -> Vec3

Sample unit tangent at t.

fn normal_2d(&self, t: f32) -> Vec3

Sample the normal (perpendicular to tangent) at t, in the XY plane.

fn arc_length(&self, n: u32) -> f32

Approximate arc length using n segments.

fn build_arc_table(&self, n: u32) -> ArcTable

Build an arc-length table with n segments for uniform-speed queries.

fn sample_uniform(&self, n: usize) -> Vec<Vec3>

Sample n evenly-spaced points along the curve (by parameter).

fn sample_arc_uniform(&self, n: usize, table_resolution: u32) -> Vec<Vec3>

Sample n points at equal arc-length intervals.

fn bounding_box(&self, resolution: u32) -> (Vec3, Vec3)

Bounding box as (min, max).

fn closest_point(&self, query: Vec3, resolution: u32) -> (f32, Vec3)

Find the closest point on the curve to query, returning (t, point).

impl Debug for HermiteSpline

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

Formats the value using the given formatter.

impl Default for HermiteSpline

fn default() -> Self

Returns the “default value” for a type.