Canvas Games: Part I - HTML5 Canvas - page 668

function function canvasApp (){

var var theCanvas = document . getElementById ( "canvas" );

iif ( ! theCanvas || ! theCanvas . getContext ) {
return return ;

}

var var context = theCanvas . getContext ( "2d" );

iif ( ! context ) {
return

return ;

}

//application states

const const GAME_STATE_TITLE = 0 ;

const

const GAME_STATE_NEW_LEVEL = 1 ;
const const GAME_STATE_GAME_OVER = 2 ;

var var currentGameState = 0 ;

var

var currentGameStateFunction = null null ;

function function switchGameState ( newState ) {

currentGameState = newState ;
switch switch ( currentGameState ) {

case case GAME_STATE_TITLE :

currentGameStateFunction = gameStateTitle ;
break break ;

case case GAME_STATE_PLAY_LEVEL :

currentGameStateFunctionappStatePlayeLevel ;
break break ;

case case GAME_STATE_GAME_OVER :

currentGameStateFunction = gameStateGameOver ;
break break ;

}

}

function function gameStateTitle () {

ConsoleLog . log ( "appStateTitle" );
// draw background and text