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CircularEdge

rscad_core::feature::edge

Struct CircularEdge 

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pub struct CircularEdge {
    pub frame: DAffine3,
    pub center: DVec3,
    pub axis: DVec3,
    pub radius: f64,
    pub ref_dir: DVec3,
    pub leaf_segments: Option<usize>,
    pub nb2: DVec2,
    pub da2: DVec2,
    pub db2: DVec2,
    pub extent_a: f64,
    pub extent_b: f64,
}
Expand description

A verified full-circle edge (rim), in frame coordinates.

The meridian frame at any rim point has x = outward radial (away from the axis) and y = axis. axis is oriented as the planar face’s final outward normal, so the planar face is always y = 0 with normal +y in meridian coordinates.

frame is identity for rims that are circles in the evaluation frame. Rims that are elliptical in the evaluation frame (anisotropically scaled leaves) resolve in the owning leaf’s local frame, where they are exact circles; frame maps that frame to the evaluation frame, so the world curve is the frame image of this circle. All fields (center, axis, radius, meridian data, extents) are frame-local.

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§frame: DAffine3

Frame the circle lives in (frame → evaluation coordinates).

§center: DVec3§axis: DVec3

Unit circle-plane normal — the planar face’s final outward normal.

§radius: f64§ref_dir: DVec3

Angular origin of the curved leaf’s tessellation: its local +X image (unit, ⊥ axis). Masks anchor their polygon phase here so their chords coincide with the leaf’s facets in the mesh booleans.

§leaf_segments: Option<usize>

Segment count of the curved leaf’s render tessellation (None for spheres, which have no prism phase to match).

§nb2: DVec2

Final outward normal of the curved face, meridian coords.

§da2: DVec2

In-face directions away from the rim, meridian coords. Face A is the planar face (da2.y == 0).

§db2: DVec2§extent_a: f64

Setback room along da2/db2.

§extent_b: f64

Implementations§

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impl CircularEdge

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pub fn radial_at(&self, theta: f64) -> (DVec3, DVec3)

Meridian frame at angle theta from ref_dir (leaf tessellation phase): (outward radial, rim point).

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impl Clone for CircularEdge

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fn clone(&self) -> CircularEdge

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for CircularEdge

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

Formats the value using the given formatter. Read more
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impl Copy for CircularEdge

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impl<T> Any for T
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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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fn borrow(&self) -> &T

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fn borrow_mut(&mut self) -> &mut T

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impl<T> CloneToUninit for T
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

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impl<T, W> HasTypeWitness<W> for T
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const WITNESS: W = W::MAKE

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impl<T> Identity for T
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const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

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type Type = T

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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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type Owned = T

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