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quiz.php
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quiz.php
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<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="bootstrap/css/bootstrap.min.css">
<script src="bootstrap/scripts/jquery.min.js"></script>
<script src="bootstrap/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="css/styles.css">
<!--as-->
<script src="Face%20tracker_files/utils.js"></script>
<script src="Face%20tracker_files/numeric-1.js"></script>
<script src="Face%20tracker_files/mosse.js"></script>
<script src="Face%20tracker_files/jsfeat-min.js"></script>
<script src="Face%20tracker_files/frontalface.js"></script>
<script src="Face%20tracker_files/jsfeat_detect.js"></script>
<script src="Face%20tracker_files/left_eye_filter.js"></script>
<script src="Face%20tracker_files/right_eye_filter.js"></script>
<script src="Face%20tracker_files/nose_filter.js"></script>
<script src="Face%20tracker_files/model_pca_20_svm.js"></script>
<script src="Face%20tracker_files/clm.js"></script>
<script src="Face%20tracker_files/svmfilter_webgl.js"></script>
<script src="Face%20tracker_files/svmfilter_fft.js"></script>
<script src="Face%20tracker_files/mossefilter.js"></script>
<script src="Face%20tracker_files/Stats.js"></script>
<!--as-->
<script>
/**
* Coded by Anuradha Wickramarachchi
*/
/*--Initializing variables--*/
var eyedistance = 0; // for scaling the emotion detection
var initeyedistance = -1; // for scaling the initial eyedistance
var mouthGap = -1; // check if surprised
var eyeBrowHeight = -1; //
var mouthWidth = -1; // check if happy
var eyelidgap = -1; // check if sleepy
/*--Initializing variables--*/
var modalOpen = false;
function detect(positions) {
// Initializing base variables
var x1, y1, x2, y2, x3, x4, y3, y4, correctionFactor;
/*
* All the measurements will be considered after correcting with the ratio current eyedistance/initeyedistance
* This will avoid the confusion caused by the change in distance from the computer camera
* */
// Initializing the scaling factor
x1 = positions[27][0];
y1 = positions[27][1];
x2 = positions[32][0];
y2 = positions[32][1];
eyedistance = Math.sqrt(Math.pow(y1 - y2, 2) + Math.pow(x1 - x2, 2));
if (initeyedistance == -1) {
initeyedistance = eyedistance;
}
correctionFactor = initeyedistance / eyedistance;
// Detecting surprise
x1 = positions[60][0];
y1 = positions[60][1];
x2 = positions[57][0];
y2 = positions[57][1];
if (mouthGap == -1) {
mouthGap = Math.sqrt(Math.pow(y1 - y2, 2) + Math.pow(x1 - x2, 2));
}
if (mouthGap < Math.sqrt(Math.pow(y1 - y2, 2) + Math.pow(x1 - x2, 2)) * correctionFactor) {
document.getElementById("surprised").innerHTML = "Surprised";
} else {
document.getElementById("surprised").innerHTML = "Not so Surprised";
}
// Detect boring
if (2 * mouthGap < Math.sqrt(Math.pow(y1 - y2, 2) + Math.pow(x1 - x2, 2)) * correctionFactor) {
document.getElementById("bored").innerHTML = "Bored";
} else {
document.getElementById("bored").innerHTML = "Not so bored";
}
// Detecting smile
x1 = positions[44][0];
y1 = positions[44][1];
x2 = positions[50][0];
y2 = positions[50][1];
if (mouthWidth == -1) {
mouthWidth = Math.sqrt(Math.pow(y1 - y2, 2) + Math.pow(x1 - x2, 2));
}
if (mouthWidth < Math.sqrt(Math.pow(y1 - y2, 2) + Math.pow(x1 - x2, 2) * correctionFactor)
) {
document.getElementById("happy").innerHTML = "Happy";
}
else {
document.getElementById("happy").innerHTML = "Not so happy";
}
// Detect sleepy
x1 = positions[24][0];
y1 = positions[24][1];
x2 = positions[26][0];
y2 = positions[26][1];
if (eyelidgap == -1) {
eyelidgap = Math.sqrt(Math.pow(y1 - y2, 2) + Math.pow(x1 - x2, 2));
}
if (eyelidgap * 0.9 > Math.sqrt(Math.pow(y1 - y2, 2) + Math.pow(x1 - x2, 2)) * correctionFactor) {
document.getElementById("sleepy").innerHTML = "Sleepy";
}
else {
document.getElementById("sleepy").innerHTML = "Not so sleepy";
}
// Detect confusion
x1 = positions[24][0];
y1 = positions[24][1];
x2 = positions[21][0];
y2 = positions[21][1];
if (eyeBrowHeight == -1) {
eyeBrowHeight = Math.sqrt(Math.pow(y1 - y2, 2) + Math.pow(x1 - x2, 2));
}
if (eyeBrowHeight > Math.sqrt(Math.pow(y1 - y2, 2) + Math.pow(x1 - x2, 2)) * correctionFactor) {
document.getElementById("confused").innerHTML = "Confusing";
$(function () {
if (!modalOpen) {
//$("#myModal").modal("show");
modalOpen = true;
}
});
}
else {
document.getElementById("confused").innerHTML = "Not so confusing";
}
}
// Detecting the inclination of the face for changing slides
var lx, ly, rx, ry;// cordinates of eyes
var m; // gradient of the head
var tolarance = 0.2;
var rightAl = false;
var leftAl = true;
function slide(positions) {
lx = positions[27][0];
ly = positions[27][1];
rx = positions[32][0];
ry = positions[32][1];
m = (ly - ry) / (lx - rx);
document.getElementById("incline").innerHTML = "";
if (m < 0 && Math.abs(m) > tolarance) {
//turning right
document.getElementById("incline").innerHTML = "Right" + m;
rightAl = true;
} else if (m > 0 && Math.abs(m) > tolarance) {
//turning left
document.getElementById("incline").innerHTML = "Left" + m;
leftAl = true;
} else {
// if the position comes below the tolerance
// from right inclination
if (rightAl) {
onNextClick();
//alert("right");
// perform right slide
} else if (leftAl) {
onPrevClick();
// perform left slide
}
leftAl = false;
rightAl = false;
}
}
// Detecting the scrolling notion of the user
var nx, ny;// cordinates of nose upper
var nx2, ny2;// cordinates of nose lower
var initnosedistance = -1; // initial height of the nose
var moveup = false;
var movedown = false;
var t = new Date();
var scrol_time = t.getTime();
function scroll(positions) {
// Update the initial nodes periodically
/*-Initializing timer-*/
var t = new Date();
if (t.getTime() > scrol_time + 5000) {
scrol_time = t.getTime();
nx = positions[33][0];
ny = positions[33][1];
nx2 = positions[62][0];
ny2 = positions[62][1];
initnosedistance = Math.sqrt(Math.pow(ny - ny2, 2) + Math.pow(nx - nx2, 2));
movedown = false;
moveup = false;
}
if (initnosedistance == -1) {
// taking the initial nose point
// initializing the face height (Height of the nose)
nx = positions[33][0];
ny = positions[33][1];
nx2 = positions[62][0];
ny2 = positions[62][1];
initnosedistance = Math.sqrt(Math.pow(ny - ny2, 2) + Math.pow(nx - nx2, 2));
}
// detecting the changes
// if the nose deviates 10% keep track of the direction
// once the nose reaches the initial position update the nose point so that the scrolling is consistent
var currentNoseDist = Math.sqrt(Math.pow(positions[62][1] - ny, 2) + Math.pow(positions[62][0] - nx, 2));
document.getElementById("scroll").innerHTML = "";
if (currentNoseDist > initnosedistance * 1.5) {
movedown = true;
document.getElementById("scroll").innerHTML = "Down";
} else if (currentNoseDist < initnosedistance * 0.5) {
document.getElementById("scroll").innerHTML = "UP";
moveup = true;
} else {
if (movedown) {
// scroll down
scrollWindow(2);
} else if (moveup) {
scrollWindow(1);
// scroll up
}
moveup = false;
movedown = false;
}
//document.getElementById("incline").innerHTML = "";
}
</script>
<script>
/**
* Created by Anuradha Sanjeewa on 05/11/2015.
*/
// init vars
function scrollWindow(cs) {
switch (cs) {
// up
case 1:
//window.scrollBy(0, -300);
selectPrevRadio();
break;
// down
case 2:
selectNextRadio();
//window.scrollBy(0, 300);
break;
}
}
</script>
<!--as-->
<?php
require_once './header.php';
require_once './php/API/DatabaseCredentials.php';
?>
<?php
$category = $_GET['key'];
$key2= $_GET['key2'];
$dbc = mysqli_connect(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME) or die("Database connection failed. " . mysqli_error($dbc));
$query = "SELECT DISTINCT qstatus FROM `questions` WHERE category_type='$category' ";
$result = mysqli_query($dbc, $query) or die("Database error" . mysqli_error($dbc));
$full_question_array = array();
$i = 1;
while ($row = mysqli_fetch_array($result)) {
$qstatus = $row["qstatus"];
$query1 = "SELECT * FROM `questions` WHERE category_type='$category' AND qstatus='$qstatus'";
$result1 = mysqli_query($dbc, $query1) or die("Database error" . mysqli_error($dbc));
$question_option_array = array();
$j = 1;
while ($row1 = mysqli_fetch_array($result1)) {
$question_array = array();
$question_array['q'] = $row1["question"];
$question_array['a1'] = $row1["optionone"];
$question_array['a2'] = $row1["optiontwo"];
$question_array['a3'] = $row1["optionthree"];
$question_array['a4'] = $row1["optionfour"];
$question_array['c'] = $row1["correct_answer"];
$question_array['h'] = $row1["hint"];
$question_option_array['qs' . $j] = $question_array;
$j = $j + 1;
}
$full_question_array['q' . $i] = $question_option_array;
$i = $i + 1;
}
mysqli_close($dbc);
$arr = array();
$arr['key'] = $full_question_array;
$arr = json_encode($arr);
// print_r($arr);
// print_r($full_question_array);
?>
<script>
var data;
var key;
var key2;
$(document).ready(function () {
key = '<?php echo $category; ?>';
key2 = '<?php echo $key2; ?>';
data = <?php echo $arr; ?>;
data = data['key'];
// data = JSON.parse(data);
// data = JSON.parse(data);
})
// This array is for testing only. Data is fetched from the database in real system.
var counter = 0;
$(document).ready(function () {
counter = -1;
onNextClick();
});
var correct = 0;
var radioCounter = 0;
function onPrevClick() {
// if (counter > 0) {
// counter--;
// document.getElementById('question').innerHTML = 'Q' + (counter + 1) + ": " + data['q' + (counter + 1)]['qs1']['q'];
// document.getElementById('ap0').innerHTML = data['q' + (counter + 1)]['qs1']['a1'];
// document.getElementById('ap1').innerHTML = data['q' + (counter + 1)]['qs1']['a2'];
// document.getElementById('ap2').innerHTML = data['q' + (counter + 1)]['qs1']['a3'];
// document.getElementById('ap3').innerHTML = data['q' + (counter + 1)]['qs1']['a4'];
// }
}
var flag = false;
function onNextClick() {
if (flag && data['q' + (counter + 1)]['qs1']['c'] == $('input[name="optradio"]:checked').val()) {
document.getElementById("correct_p").innerHTML = "Correct answer!";
setTimeout(function () {
correct++;
flag = false;
onNextClick();//alert('1');
}, 500);
// radioCounter = -1;
return;
}
else if (flag && data['q' + (counter + 1)]['qs1']['c'] != $('input[name="optradio"]:checked').val()) {
$("#modal_p").html(data['q' + (counter + 1)]['qs1']['h']);
$("#myModal").modal("show");//alert('2');
setTimeout(function () {
$("#myModal").modal("hide");
}, 3000);
}
else if (counter < 1) {
document.getElementById("correct_p").innerHTML = "";
flag = true;
counter++;
// alert(counter);
// alert(data['q' + counter + 1]['qs1']['q']);
document.getElementById('question').innerHTML = 'Q' + (counter + 1) + ": " + data['q' + (counter + 1)]['qs1']['q'];
document.getElementById('ap0').innerHTML = data['q' + (counter + 1)]['qs1']['a1'];
document.getElementById('ap1').innerHTML = data['q' + (counter + 1)]['qs1']['a2'];
document.getElementById('ap2').innerHTML = data['q' + (counter + 1)]['qs1']['a3'];
document.getElementById('ap3').innerHTML = data['q' + (counter + 1)]['qs1']['a4'];
}
else if (counter == 1) {
$("#mymodal_title").html("Quiz over!");
$("#modal_p").html("End of Quiz.");
$("#myModal").modal("show");
setTimeout(function () {
$("#myModal").modal("hide");
// console.log(key);
window.location.href = "title_view.php?key=" + key2;
}, 3000);
}
}
function selectNextRadio() {
// alert("#a" + radioCounter % 4);
// document.getElementById("a" + radioCounter % 4).checked = true;
if (radioCounter < 3) {
$("#a" + radioCounter).prop("checked", true);
radioCounter++;
}
else if (radioCounter == 3) {
radioCounter = 0;
$("#a" + radioCounter).prop("checked", true);
}
}
function selectPrevRadio() {
// alert("#a" + radioCounter % 4);
// document.getElementById("a" + radioCounter % 4).checked = true;
if (radioCounter > 0) {
$("#a" + radioCounter % 4).prop("checked", true);
radioCounter--;
}
else if (radioCounter == 0) {
radioCounter = 3;
$("#a" + radioCounter).prop("checked", true);
}
}
</script>
</head>
<body style="margin-top: 50px">
<div class="container"><div class="col-md-3"></div>
<div class="col-md-6" >
<form class="form-inline">
<p id="question"></p>
<input type="radio" name="optradio" value="1" id="a0" checked="checked" ><p id="ap0" class="radio"></p><br>
<input type="radio" name="optradio" value="2" id="a1"><p id="ap1" class="radio"></p><br>
<input type="radio" name="optradio" value="3" id="a2"><p id="ap2" class="radio"></p><br>
<input type="radio" name="optradio" value="4" id="a3"><p id="ap3" class="radio"></p><br>
</form>
<br>
<button id="left" type="button" class="btn" name="submit_value" onclick="onPrevClick()">Previous Question</button>
<button id="right" type="button" class="btn" name="submit_value" onclick="onNextClick()">Next Question</button>
<!-- Modal -->
<div class="modal fade" id="myModal" role="dialog">
<div class="modal-dialog modal-sm">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 id="mymodal_title" class="modal-title">Wrong answer</h4>
</div>
<div class="modal-body">
<p id="modal_p"></p>
</div>
<div class="modal-footer">
<!--<button id="button_prev" class="btn left" onclick="prev()">No</button>-->
<button id="button_next" class="btn right" onclick="">OK</button>
</div>
</div>
</div>
</div>
<div>
<p><font color="green" size="20" id="correct_p"></font></p>
</div>
</div>
<div class="col-md-3"></div>
<!--as-->
<div id="container" class="col-md-3">
<video id="videoel" preload="auto" loop="" height="300" width="400" >
</video>
<canvas id="overlay" width="400" height="300"></canvas>
<!--<input class="btn" value="start" onclick="" id="startbutton" type="button">-->
<div id="tt">
<p id="surprised"></p>
<p id="confused"></p>
<p id="happy"></p>
<p id="bored"></p>
<p id="sleepy"></p>
<p id="incline"></p>
<p id="scroll"></p>
</div>
</div>
<?php require_once './facetracking.php';
?>
<!--as-->
</div>
</body>
</html>