use std::f32::consts::{FRAC_PI_2, FRAC_PI_4, PI};

pub const RIGHT: f32 = 0.0;

pub const LEFT: f32 = PI;

pub const UP: f32 = FRAC_PI_2;

pub const DOWN: f32 = PI + FRAC_PI_2;

pub const NORTH: f32 = FRAC_PI_2;

pub const NORTH_EAST: f32 = FRAC_PI_4;

pub const EAST: f32 = 0.0;

pub const SOUTH_EAST: f32 = PI + FRAC_PI_2 + FRAC_PI_4;

pub const SOUTH: f32 = PI + FRAC_PI_2;

pub const SOUTH_WEST: f32 = PI + FRAC_PI_4;

pub const WEST: f32 = PI;

pub const NORTH_WEST: f32 = FRAC_PI_2 + FRAC_PI_4;