matrix-snake

Play Snake Game in a Javascript Matrix (browser-ready)!

$ npm install --save snake-matrix

or

$ bower install --save snake-matrix

SnakeGame

SnakeGame will expose one method and an object: prepare and CbObj, respectively.

::prepare(w, h, cbObj, onFruintEaten, onCrach)

prepares return a game, which is an object with only one method: next. next is what will tick the game so that the next state is generated (collision is detected, as well as new positions).

::cbObj

cbObj is an emitter object which will signalize whenever a new direction should be handled by the game. It exposes only the emitDir method, which takes one string as its argument: up, left, right or down.

Example

Although this might seem a little bit complicated, this is how it works:

var SnakeGame = require('../src/snake-game');
// creates an object that will notify our Snake
// Game whenever we want to change the direction
// of the snake.
var cbObj = new SnakeGame.CbObj();

// here we prepare the CbObj to receive, in a
// given interval of 1.5s, random directions.
setInterval(function () {
  cbObj.emitDir(['up', 'left','right', 'down'][Math.random() * 4 | 0]);
}, 1500);

// Prepare the initial gave (5x5 matrix)
var game = SnakeGame.prepare(5,5, cbObj);

// Let the game render itself in an interval of
// .5s
setInterval(function () {
  console.log(game.next());
}, 500);

By letting the dev decide how to tick the game and decide on how to signalize a new direction we provide freedom to the way the dev wants to perform this things.