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HTML

              
                
              
            
!

CSS

              
                $body-background-color: #E6E6E6
$cell-background-color: #9A8297
$cell-hover-background-color: #D0782A
$field-border-radius: 6px
$field-size: 300px
$tic-tac-toe-cell-padding: 10px
$field-padding: 5px
$cell-margin: 5px
$cell-size: $field-size/3 - $cell-margin*2
$symbol-thickness: 6px
$symbol-roundness: 3px
$symbol-size: 50px
$oSize: $symbol-size - $symbol-thickness
  
$new-game-button--height: 20px
$new-game-button--color: #9A8297
$new-game-button--hover-color: #D0782A
$new-game-button--border-radius: 20px

$title-label-color: #D0782A

body
  background-color: $body-background-color
  .tic-tac-toe--field
    margin: auto
    position: absolute
    top: 0
    left: 0
    right: 0
    bottom: 0
    background-color: white
    border-radius: $field-border-radius
    width: $field-size
    height: $field-size
    padding: $field-padding
    .tic-tac-toe--end-game-popover
      width: $field-size
      height: $field-size
      background-color: white
      position: absolute
      top: 0
      left: 0
      border-radius: $field-border-radius
      transition: visibility 0s 0.3s, opacity 0.3s linear
      opacity: 1
      visibility: visible
      &.hidden
        opacity: 0
        visibility: hidden
      .tic-tac-toe--new-game-button
        height: $new-game-button--height
        background-color: $new-game-button--color
        border-radius: $new-game-button--border-radius
        color: white
        margin: auto
        padding: 10px
        position: absolute
        top: 50%
        left: 50%
        cursor: pointer
        transform: translate(-50%, -50%)
        transition: background-color 0.3s
        &:hover
          background-color: $new-game-button--hover-color
      h1.tic-tac-toe--title-label
        color: $title-label-color
        margin: 30px auto
        text-align: center
    .tic-tac-toe--cells-matrix
      display: flex
      flex-wrap: wrap
      .tic-tac-toe-cell
        background-color: $cell-background-color
        margin: $cell-margin
        width: $cell-size
        height: $cell-size
        border-radius: $field-border-radius
        cursor: pointer
        transition: background-color 0.3s
        position: relative
        &:hover
          background-color: $cell-hover-background-color
        &.xSymbol
          &:before, &:after
            position: absolute
            width: $symbol-thickness
            height: $symbol-size
            background-color: white
            display: block
            content: ''
            position: absolute
            top: 50%
            left: 50%
            border-radius: $symbol-roundness
          &:before
            transform: translate(-50%, -50%) rotate(45deg)
          &:after
            transform: translate(-50%, -50%) rotate(-45deg)
        &.oSymbol
          &:after
            position: absolute         
            display: block
            content: ''
            position: absolute
            top: 50%
            left: 50%
            border-radius: 50%
            border: solid $symbol-thickness white
            width: $oSize
            height: $oSize
            transform: translate(-50%, -50%)

              
            
!

JS

              
                class GameState
  isX: true
  playerX: 0
  playerO: 0
  moves: 0
  winner: null
  
  gameField: null
  
  winningNumbers: [7, 56, 448, 73, 146, 292, 273, 84]
  
  constructor: ->
    @gameField = (Math.pow( 2, x ) for x in [0..8])
  
  currentSymbol: ->
    if @isX then 'x' else 'o'
      
  currentPlayer: ->
    if @isX then @playerX else @playerO
      
  checkWinConditions: ->
    for number in @winningNumbers
      if (number & @currentPlayer()) == number
        @winner = "Player #{@currentSymbol().toUpperCase()}"
    if @moves > 8
      @winner = 'Nobody'
  
  updateCurrentSymbol: ->
    @isX = !@isX
  
  updateState: (index) ->
    if @isX
      @playerX += @gameField[index]
    else
      @playerO += @gameField[index]
    @moves++
    @checkWinConditions()
    @updateCurrentSymbol()
    
  reset: ->
    @isX = true
    @playerX = 0
    @playerO = 0
    @moves = 0
    @winner = null

gameState = new GameState

{div, h1} = React.DOM

document.addEventListener 'DOMContentLoaded', ->
  React.renderComponent GameField(), document.body
  
GameField = React.createClass
  getInitialState: ->
    gameIsBeingPlayed: false

  render: ->
    div
      className: 'tic-tac-toe--field'
      children: [
        TicTacToeCellsMatrix
          onClick: @onCellClick
          gameIsBeingPlayed: @state.gameIsBeingPlayed
        EndGamePopOver
          onNewGame: @onNewGame
          gameIsBeingPlayed: @state.gameIsBeingPlayed
      ]

  onNewGame: ->
    gameState.reset()
    @setState gameIsBeingPlayed: true
        
  onCellClick: ->
    if gameState.winner   
      @setState gameIsBeingPlayed: false
 
TicTacToeCell = React.createClass
  getInitialState: ->
    symbol: null
  
  componentWillReceiveProps: ->
      @setState symbol: null if !@props.gameIsBeingPlayed
      
  render: ->
    div
      className: @classes()
      onMouseUp: @clickHandler
      
  classes: ->
    [
      'tic-tac-toe-cell'
      "#{@state.symbol}Symbol" if @state.symbol
    ].join ' '
      
  clickHandler: ->
    if !@state.symbol
      @setState symbol: gameState.currentSymbol()
      gameState.updateState(@props.index)
      @props.onClick()
    
TicTacToeCellsMatrix = React.createClass
  render: ->
    div
      className: 'tic-tac-toe--cells-matrix'
      children: for i in [0..8]
        TicTacToeCell
          index: i
          gameIsBeingPlayed: @props.gameIsBeingPlayed
          onClick: @props.onClick
    
EndGamePopOver = React.createClass 
  render: ->
    div
      className: @classes()
      children: [
        NewGameButton
          onClick: @props.onNewGame
        TitleLabel
          winner: gameState.winner
      ]

  classes: -> [
      'tic-tac-toe--end-game-popover'
      "hidden" if @props.gameIsBeingPlayed
    ].join ' '

TitleLabel = React.createClass
  render: ->
    h1
      className: 'tic-tac-toe--title-label'
      children: "#{@props.winner} wins" if @props.winner

NewGameButton = React.createClass
  render: ->
    div
      className: 'tic-tac-toe--new-game-button'
      children: 'New game'
      onMouseUp: @props.onClick
              
            
!
999px

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