axiolid-surface 0.1.0

Surface evaluation: elementary surfaces, swept surfaces, NURBS patches.
Documentation 
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//! Elementary analytic surfaces.

use axiolid_core::{Frame3, Scalar};

/// Infinite plane.
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Plane {
    /// Local frame; `z` is the normal.
    pub frame: Frame3,
}

/// Infinite circular cylinder.
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Cylinder {
    /// Local frame; `z` is the axis.
    pub frame: Frame3,
    /// Radius.
    pub radius: Scalar,
}

/// Infinite right circular cone.
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Cone {
    /// Local frame; `z` is the axis.
    pub frame: Frame3,
    /// Radius at the local origin plane.
    pub radius: Scalar,
    /// Semi-angle in radians.
    pub semi_angle: Scalar,
}

/// Sphere.
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Sphere {
    /// Local frame.
    pub frame: Frame3,
    /// Radius.
    pub radius: Scalar,
}

/// Torus.
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Torus {
    /// Local frame; `z` is the revolution axis.
    pub frame: Frame3,
    /// Radius from frame origin to tube center.
    pub major_radius: Scalar,
    /// Tube radius.
    pub minor_radius: Scalar,
}