thimni 0.2.3

efficient SDF collision without discretizatio, neural nets, or interval arithmetic
Documentation 
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use std::ops::{Add, Div, Mul, Sub};

use glam::{Vec2, Vec3, Vec3A};

pub trait Vector<const N: usize>:
    Sized
    + Copy
    + Clone
    + Add<Output = Self>
    + Sub<Output = Self>
    + Mul<Output = Self>
    + Div<Output = Self>
    + Mul<f32, Output = Self>
{
    fn less_than(&self, other: &Self) -> bool;
    fn greater_than(&self, other: &Self) -> bool;
    fn cmin(&self, other: Self) -> Self;
    fn cmax(&self, other: Self) -> Self;
    fn mid_point(&self, other: Self) -> Self;
    fn cprod(&self) -> f32;
    fn cmap<F: Fn(f32) -> f32>(&self, f: F) -> Self;
    fn cmap_mut<F: FnMut(f32) -> f32>(&self, f: F) -> Self;
    fn min_elem(&self) -> f32;
    fn to_arr(&self) -> [f32; N];
    fn from_arr(a: [f32; N]) -> Self;
    fn normalized(&self) -> Self;
    fn get(&self, i: usize) -> f32;
    fn set(&mut self, i: usize, v: f32);
    fn mag(&self) -> f32;
}

/// Used for implementing the Vector trait for glam::Vec3-esque types (e.g. Vec3, Vec3A,
/// macroquad::math::Vec3, etc)
#[macro_export]
macro_rules! impl_vector_glam_vec3 {
    ($a: ident) => {
        impl Vector<3> for $a {
            fn less_than(&self, other: &Self) -> bool {
                self.x < other.x && self.y < other.y
            }

            fn greater_than(&self, other: &Self) -> bool {
                !self.less_than(other)
            }

            fn cmin(&self, other: Self) -> Self {
                self.min(other)
            }

            fn cmax(&self, other: Self) -> Self {
                self.max(other)
            }

            fn mid_point(&self, other: Self) -> Self {
                self.midpoint(other)
            }

            fn cprod(&self) -> f32 {
                self.x * self.y
            }

            fn cmap<F: Fn(f32) -> f32>(&self, f: F) -> Self {
                self.map(f)
            }

            fn cmap_mut<F: FnMut(f32) -> f32>(&self, mut f: F) -> Self {
                Self::new(f(self.x), f(self.y), f(self.z))
            }

            fn min_elem(&self) -> f32 {
                self.min_element()
            }

            fn to_arr(&self) -> [f32; 3] {
                self.to_array()
            }

            fn from_arr(a: [f32; 3]) -> Self {
                a.into()
            }

            fn normalized(&self) -> Self {
                self.normalize_or_zero()
            }

            fn get(&self, i: usize) -> f32 {
                match i {
                    0 => self.x,
                    1 => self.y,
                    2 => self.z,
                    _ => panic!(),
                }
            }

            fn set(&mut self, i: usize, v: f32) {
                match i {
                    0 => self.x = v,
                    1 => self.y = v,
                    2 => self.z = v,
                    _ => panic!(),
                }
            }

            fn mag(&self) -> f32 {
                self.length()
            }
        }
    };
}

/// Used for implementing the Vector trait for glam::Vec2-esque types (e.g. Vec2,
/// macroquad::math::Vec2, etc)
#[macro_export]
macro_rules! impl_vector_glam_vec2 {
    ($a: ident) => {
        impl Vector<2> for $a {
            fn less_than(&self, other: &Self) -> bool {
                self.x < other.x && self.y < other.y
            }

            fn greater_than(&self, other: &Self) -> bool {
                !self.less_than(other)
            }

            fn cmin(&self, other: Self) -> Self {
                self.min(other)
            }

            fn cmax(&self, other: Self) -> Self {
                self.max(other)
            }

            fn mid_point(&self, other: Self) -> Self {
                self.midpoint(other)
            }

            fn cprod(&self) -> f32 {
                self.x * self.y
            }

            fn cmap<F: Fn(f32) -> f32>(&self, f: F) -> Self {
                self.map(f)
            }

            fn cmap_mut<F: FnMut(f32) -> f32>(&self, mut f: F) -> Self {
                Self::new(f(self.x), f(self.y))
            }

            fn min_elem(&self) -> f32 {
                self.min_element()
            }

            fn to_arr(&self) -> [f32; 2] {
                self.to_array()
            }

            fn from_arr(a: [f32; 2]) -> Self {
                a.into()
            }

            fn normalized(&self) -> Self {
                self.normalize_or_zero()
            }

            fn get(&self, i: usize) -> f32 {
                match i {
                    0 => self.x,
                    1 => self.y,
                    _ => panic!(),
                }
            }

            fn set(&mut self, i: usize, v: f32) {
                match i {
                    0 => self.x = v,
                    1 => self.y = v,
                    _ => panic!(),
                }
            }

            fn mag(&self) -> f32 {
                self.length()
            }
        }
    };
}

impl_vector_glam_vec2!(Vec2);
impl_vector_glam_vec3!(Vec3);
impl_vector_glam_vec3!(Vec3A);