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SweptSurface

oxiphysics_geometry::parametric::types

Struct SweptSurface 

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pub struct SweptSurface {
    pub spine: BezierCurve,
    pub profile: BezierCurve,
}
Expand description

A swept surface: a 2-D profile curve (in a local frame) swept along a spine BezierCurve. The profile is evaluated at parameter v and translated along the spine at parameter u.

The swept point is: spine(u) + profile(v) (no rotation — this is a translational sweep).

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§spine: BezierCurve

Spine curve parameterised by u.

§profile: BezierCurve

Cross-section profile parameterised by v.

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impl SweptSurface

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pub fn new(spine: BezierCurve, profile: BezierCurve) -> Self

Create a new swept surface.

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pub fn evaluate(&self, u: f64, v: f64) -> [f64; 3]

Evaluate the surface at (u, v) ∈ [0, 1]².

The result is spine(u) + (profile(v) - profile(0)). This centres the profile at the spine point.

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pub fn normal(&self, u: f64, v: f64) -> [f64; 3]

Surface normal at (u, v) via finite differences.

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