Struct Snake 

pub struct Snake { /* private fields */ }

Instance of game Snake containing board state, rng, and display

Implementations

impl Snake

pub fn new(seed: u64, size: u8) -> Snake

Creates a game instance with no display

Arguments

• seed - Seed for random generation of food
• size - The width/height of game board grid

Example

use snake::Snake;
let mut game = Snake::new(0, 10);

pub fn length(&self) -> usize

Returns length of snake

pub fn current_direction(&self) -> Direction

Returns current direction of snake

pub fn walls(&self) -> Vec<f32>

Returns distance of head from walls in the following order left, up-left, up, up-right, right, down-right, down, down-left

pub fn snake(&self) -> Vec<f32>

Returns distance of head from snake in each direction in the following order left, up-left, up, up-right, right, down-right, down, down-left

pub fn food(&self) -> Vec<f32>

Returns distance of head from food in each direction in the following order left, up-left, up, up-right, right, down-right, down, down-left

pub fn turn(&mut self, dir: Direction) -> bool

Elapses game one move. Returns true if game is still active and false if game is over (once snake has died).

Arguments

• dir - Direction for the snake to move. If the provided direction is center or opposite the last provided direction (left/right, up/down), the snake will continue in the last provided direction