hi ,
i'm trying to learn States in phaser.js from the link http://perplexingtech.weebly.com/game-dev-blog/using-states-in-phaserjs-javascript-game-developement
on half i'm getting an error in console
game.js:17 Uncaught TypeError: Cannot read property 'state' of null at game.js:17
index.html
game.js
boot.js