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<html lang="en">
<head>
<title>Karma - Can and can't </title>
<meta name="keywords" content="karma,javascript,html5,sugar,sugarlabs,gsoc,ole,nepal">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="shortcut icon" href="http://karma.sugarlabs.org/favicon.ico">
<link rel="stylesheet" type="text/css" href="../../css/karma.css" />
<script type="text/javascript" src="../../js/jquery-1.3.2.min.js"></script>
<script type="text/javascript" src="../../js/jquery.karma.js"></script>
<script type="text/javascript">
<!--
$(document).ready(function(){
//
function imageLoadDisplay( src ) {
$(img).load(function () {
//nice effect - should I delete it?
$(this).fadeIn( 800 );
$("#content").append( this );
}).attr("src", path.images + src);
}
function textDisplay( msg, x, y ) {
ctx.textAlign = "center";
ctx.fillText( msg, x, y );
}
//canvas stuff -----------
function drawRectangle() {
ctx.fillStyle = "rgba(0, 0, 0, 0.7)";
ctx.fillRect( 0, 0, 400, 80 );
ctx.font = "15px sans-serif";
ctx.fillStyle = "white";
ctx.fillText( "Q.", 10, 20 );
ctx.fillText( "Ans.", 10, 45 );
}
// canvas!
$("#canvasArrow").click(function(){
if ( clicArrow === 1 ) {
clicArrow = 0;
ctx.clearRect( 0, 0, 400, 80 );
qn= (qn + 1) % scenario.questions[ sn ].length; //next question
startActivity( sn );
} else {
k.sound( path.sounds + endSound ).play();
textDisplay( answer, 170, 45 );
clicArrow ++;
}
});
// I draw the arrow
var ctxArrow = $("#canvasArrow")[0].getContext('2d');
ctxArrow.fillStyle = "rgb( 255, 255, 255 )";
ctxArrow.beginPath();
ctxArrow.moveTo(20,20);
ctxArrow.lineTo(30,20);
ctxArrow.lineTo(30,15);
ctxArrow.lineTo(45,25);
ctxArrow.lineTo(30,35);
ctxArrow.lineTo(30,30);
ctxArrow.lineTo(20,30);
ctxArrow.lineTo(20,20);
ctxArrow.fill();
ctxArrow.closePath()
//
var audio=$("#audio"); //similar to getElementById...
var img = new Image(); //creates an Image element for background
var ctx = $("#canvas")[0].getContext('2d'); //similar to document.getElementById('canvas')
var k=$.karma("#karma-main");
k.size(500, 450);
var path={
images: "images/",
sounds: "sound_ogg/"
};
var scenario={
background:["bg1.png", "bg2.png", "bg3.png", "bg4.png"],
startSound:[
["can_a_bird_fly.ogg", "can_a_dog_fly.ogg", "what_can_a_dog_do.ogg" ],
["can_a_duck_swim.ogg", "can_a_hen_swim.ogg", "what_can_a_hen_do.ogg" ],
["can_a_student_read_a_book.ogg", "can_a_cow_read_a_book.ogg", "what_can_a_cow_do.ogg" ],
["can_a_monkey_climb_a_tree.ogg", "can_a_giraffe_climb_a_tree.ogg", "what_can_a_giraffe_do.ogg" ]
],
questions:[
[ "Can a bird fly?", "Can a dog fly?", "What can a dog do?" ],
[ "Can a duck swim?", "Can a hen swim?", "What can a hen do?" ],
[ "Can a student read a book?", "Can a cow read a book?", "What can a cow do?" ],
[ "Can a monkey climb a tree?", "Can a giraffe climb a tree?", "What can a giraffe do?" ]
],
answers:[
[ "Yes, it can.", "No, it can't.", "A dog can run." ],
[ "Yes, it can.", "No, she can't.", "She can lay eggs." ],
[ "Yes, she can.", "No, she can't.", "She can give milk." ],
[ "Yes, it can.", "No, it can't.", "It can eat the leaves of the tree without climbing." ] //need to fix the last item
],
endSound:[
[ "yes_it_can.ogg", "no_it_cant.ogg", "a_dog_can_run.ogg" ],
[ "yes_it_can.ogg", "no_she_cant.ogg", "she_can_lay_eggs.ogg" ],
[ "yes_she_can.ogg", "no_she_cant.ogg", "she_can_give_milk.ogg" ],
[ "yes_it_can.ogg", "no_it_cant.ogg", "it_can_eat_the_leaves_of_a_tree_without_climbing.ogg" ]
]
};
var clicArrow=0; // how many times have you clicked the arrow?
var sn=0; //default scenario number
var qn=0; //default question number
function reset() {
clicArrow=0;
qn=0;
ctx.clearRect( 0, 0, 400, 80 );
}
function startActivity( ) {
drawRectangle();
imageLoadDisplay( scenario.background[ sn ] );
textDisplay( scenario.questions[ sn ][ qn ],190, 20);
k.sound( path.sounds + scenario.startSound[ sn ][ qn ] ).play();
endSound= scenario.endSound[ sn ][ qn ];
answer = scenario.answers[ sn ][ qn ] ;
}
//it starts the default scenario (sn)
startActivity( );
//the user choose a specail scenario
$("#bottom-navigation ul li a").click(function(){
reset();
sn=$(this).html() - 1; //need to validate??? :S
startActivity( );
});
});
//-->
</script>
</head>
<body>
<noscript>
Man, you need to enable JavaScript.
</noscript>
<div id="karma-main"></div>
<canvas id="canvas"></canvas>
<canvas id="canvasArrow"></canvas>
<div id="content"></div>
<div id="bottom-navigation">
<ul>
<li><a href="#">1</a></li>
<li><a href="#">2</a></li>
<li><a href="#">3</a></li>
<li><a href="#">4</a></li>
</ul>
</div>
</body>
</html>
|
