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//! Hit-scan result enumeration.

use crate::rt::Hit;

/// Hit-scan result enumeration.
#[non_exhaustive]
#[derive(Clone)]
pub enum Scan<'a, T> {
    /// Boundary collision.
    Boundary(f64),
    /// Surface collision.
    Surface(Hit<'a, T>),
}

impl<'a, T> Scan<'a, T> {
    /// Construct a new boundary detection instance.
    #[inline]
    #[must_use]
    pub fn new_boundary(dist: f64) -> Self {
        debug_assert!(dist > 0.0);
        Self::Boundary(dist)
    }

    /// Construct a new surface detection instance.
    #[inline]
    #[must_use]
    pub fn new_surface(hit: Hit<'a, T>) -> Self {
        debug_assert!(hit.dist > 0.0);
        Self::Surface(hit)
    }
}