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//! Miscellaneous math functions.
use crate::vector::Vec3;
/// Calculates the surface normal of a triangle.
#[must_use]
pub fn calc_triangle_surface_normal(
egde_a: &Vec3<f32>,
edge_b: &Vec3<f32>,
edge_c: &Vec3<f32>,
) -> Vec3<f32>
{
let v1 = edge_b - egde_a;
let v2 = edge_c - egde_a;
v1.cross(&v2).normalize()
}
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