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popmath.html
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popmath.html
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<html lang='en' manifest='popmath.appcache'>
<head>
<meta charset='utf-8'>
<meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1, minimum-scale=1, user-scalable=no, viewport-fit=cover'>
<meta name='apple-mobile-web-app-capable' content='yes'>
<meta name='mobile-web-app-capable' content='yes'>
<meta name='apple-mobile-web-app-status-bar-style' content='black-translucent'>
<meta name='apple-mobile-web-app-title' content='PopMath'>
<link rel='apple-touch-icon' sizes='152x152' href='popmath-icon.png'>
<link rel='icon' href='popmath-icon.png'>
<title>PopMath</title>
<style>
body, * {
cursor: pointer;
color: white;
font-weight: 100;
font-size: 20px;
font-family: 'Arial Rounded MT Bold', Arial, Helvetica;
margin:0px; padding:0px;
overflow:hidden;
user-select:none;
}
body{position:fixed;top:0;left:0;width:100vw;display: flex;background-color:black}
#backgroundimg{
position:absolute;left:0;top:0;width:100%;height:100%;
}
#container{
text-align:center;
margin-left:auto;margin-right:auto;
background-color:black;
position:relative;
height:100vh;
width:100vw;
background-repeat:no-repeat;
background-size:100% 100%;
background-position:center;
background-image:url(backgrounds/lighthouse.jpg);
}
#canvas { width: 100%; height: 100%; position:relative;
backdrop-filter: blur(2px);
}
#centered{
position:absolute;
text-align:center;
margin-left:auto;
margin-right:auto;
background-color:transparent;
width:80%;
left:calc(50% - 40%);
top:calc(50% - 100px);
}
.sub{ font-weight: bold;font-size: 24px;
color:white;
text-align:center;
}
.bubble {
position: absolute;
overflow: hidden;
padding-top: 32px;
}
.btnbubble {
border-radius: 100%;
color: #333;
font-size:22px;
font-weight:100;
outline:none;
border:0px solid black;
display: block;
position: absolute;
width:64px;
height:64px;
text-align:center;
background-color: transparent;
background-size: 100%;
transition: all 0.1s ease-in-out;
opacity:0.9;
}
#leveldiv {
text-align:left;
position: absolute;
left: 0pt;
top: 0pt;
margin:4px;
transform:scale(1.0);
transform-origin:left;
}
#scorediv{
text-align:right;
position: absolute;
right: 0pt;
top: 0pt;
margin:4px;
transform:scale(1.0);
transform-origin:right;
}
#bravodiv {
border-radius: 8px;
font-size:46px;
text-align:center;
margin:8px;
}
#subheader {
border-radius: 8px;
font-size:24px;
text-align:center;
margin:8px;
}
@keyframes action {
0% { transform: scale(1.05); }
100% { transform: scale(1.0); }
}
#startgame {
font-weight: bold;
font-size: 24px;
border: 0px solid white;
background-color: rgba(0,0,0,0.1);
border-radius: 7px;
color:white;
text-align:center;
margin:8px;
outline:none;
-webkit-appearance: none;
padding:8px 16px 8px 16px;
animation: action 0.33s infinite alternate;
}
#choices{
position:absolute;
bottom:8px;
left:0;
width:100%;
text-align:center;
padding:8px;
background-color:rgba(0,0,0,0.1);
}
.operation-types {
display: flex;
max-width: 336px;
width: 100%;
position: relative;
user-select: none;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
position: relative;
z-index: 1;
margin: 0 auto;
font-size: 12px;
border: 2px solid #fff;
border-radius: 3px;
color: #fff;
background-color:rgba(0,0,0,0.2);
}
.operation-types > input {
display: none;
}
.operation-types > input:checked + label {
color: #3395DE;
border-left:0;border-right:0;
}
.operation-types > input:nth-of-type(1):checked ~ label:last-of-type:before {
transform: translateX(0);
}
.operation-types > input:nth-of-type(2):checked ~ label:last-of-type:before {
transform: translateX(calc(100% + 0px));
}
.operation-types > input:nth-of-type(3):checked ~ label:last-of-type:before {
transform: translateX(calc(200% + 0px));
}
.operation-types > input:nth-of-type(4):checked ~ label:last-of-type:before {
transform: translateX(calc(300% + 0px));
}
.operation-types > input:nth-of-type(5):checked ~ label:last-of-type:before {
transform: translateX(calc(400% + 0px));
}
.operation-types label {
flex: 1;
text-align: center;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
cursor: pointer;
font-size:18px;
}
.operation-types label:last-of-type:before {
content: "";
display: block;
max-width: calc(20% - 0px);
margin: 0px;
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: -1;
transform: translateX(0);
}
.operation-types label {
padding: 6px 3px;
/*transition: color 250ms cubic-bezier(0, 0.95, 0.38, 0.98);*/
}
.operation-types label:before {
background: #fff;
/*transition: all 250ms cubic-bezier(0, 0.95, 0.38, 0.98);*/
}
.operation-types label:not(:last-child) {
border-right: 2px solid #fff;
}
@media only screen
and (min-device-width : 300px) and (-webkit-device-pixel-ratio : 3)
and (orientation : portrait) {
#container{
height:85vh;
width:65vh;background-color:red;
}
}
</style>
<script>
'use strict';
var QUESTION = 0;
var REPONSE = 1;
var gameStarted = false;
var BORDER_WIDTH = 2;
var MS = 1000.0;
var LEVEL = 0;
var TOTALTIME = 0;
var MINR = 25;
var MAXR = 30;
var INITSPEED = 25.0;
var speed_limit = 150.0;
var DT = 10; // every 50 ms
var ADDBALLSTEPS = 1;
var selectedAnswer = -1;
var bubbles = null;
var interval = null;
var reqID = null;
var MIX = 0;
var ADD = 1;
var SUB = 2;
var MUL = 3;
var DIV = 4;
var operationType = MIX;
var tableValue = 13;
var w = 320;
var h = 356;
var total = 4;
var eps = 10;
var img = null;
var fontImg = null;
var score = 0;
var colors = 'lime,blue,bluesky,cyan,fuchsia,green,greenblue,orange,pink,red,turquoise'.split(',');
var backgroundindex = 0;
var newbackgrounds = `lighthouse.jpg
halloween.jpg
dolphins.jpg
butterfly.jpg
christmas.jpg
desert.jpg
field.jpg
green.jpg
leaves.jpg
rainbow.jpg
red_flower.jpg
seashore.jpg
sky.jpg
whiteflowers.jpg`.split('\n');
var FONTCOLOR = 'black';
function $(id) { return document.getElementById(id); }
function drawBubble(bubble, sel)
{
if (bubble==null)
return;
var x = bubble.x;
var y = bubble.y;
var r = bubble.r;
var t = bubble.t;
//bubble.div.style.left = Math.round(x-r);
//bubble.div.style.top = Math.round(y-r);
var cx = Math.floor(x - r);
var cy = Math.floor(y - r);
bubble.selected = false;
if (winner === null && sel)
{
bubble.selected = true;
bubble.div.style.opacity = 1.0;
}
else
{
bubble.div.style.opacity = 0.9;
}
if (bubble.popping)
{
//bubble.div.style.transition = 'all 2s ease-in-out';
bubble.div.style.transform = 'translate(' + cx + 'px,' + cy + 'px) scale(2.2)';
bubble.div.style.opacity = 0;
}
else if (bubble.selected)
bubble.div.style.transform = 'translate(' + cx + 'px,' + cy + 'px) scale(1.2)';
else
bubble.div.style.transform = 'translate(' + cx + 'px,' + cy + 'px) scale(1.0)';
}
var goodSound = new Audio('pop.mp3');
var badSound = new Audio('stretch.mp3');
var volumeOn = true;
var fontOffset = [0,12,23,34,44,56,67,78,89,99,110];
var fontW = 10;
var fontH = 14;
var nMistakes = 0;
//var oldTime = -1;
var addBallStep = 0;
var divs = new Array();
var WINDINTERVAL = 3000;
var WINDSPEED = 100.0;
var windinterval = null;
function blow()
{
//console.log('blowing wind');
var nbubbles = bubbles.length;
for (var i=0;i<nbubbles;i++)
{
if (bubbles[i] == null)
continue;
if (bubbles[i].y < (3*h/4))
continue;
bubbles[i].vspeed -= WINDSPEED;
if (bubbles[i].vspeed < -speed_limit)
bubbles[i].vspeed = -speed_limit;
}
}
// http://www.silverlightexamples.net/post/Silverlight-8-Ball-Game.aspx
function doCollide(a, b)
{
// calculate some vectors
var dx = a.x - b.x;
var dy = a.y - b.y;
var dvx = a.hspeed - b.hspeed;
var dvy = a.vspeed - b.vspeed;
var distance2 = dx * dx + dy * dy;
if (Math.abs(dx) > a.d || Math.abs(dy) > a.d)
return false;
if (distance2 > a.d2)
return false;
// make absolutely elastic collision
var mag = dvx * dx + dvy * dy;
// test that balls move towards each other
if (mag > 0)
return false;
mag /= distance2;
var delta_vx = dx * mag;
var delta_vy = dy * mag;
a.hspeed -= delta_vx;
a.vspeed -= delta_vy;
b.hspeed += delta_vx;
b.vspeed += delta_vy;
return true;
}
function manageballs()
{
var number_of_balls = bubbles.length;
for (var x=0; x<number_of_balls-1; x++) {
for (var y=x+1; y<number_of_balls; y++) {
if (bubbles[x] == null || bubbles[y]==null)
continue;
if (bubbles[x].collision==0 && bubbles[y].collision==0 && doCollide(bubbles[x],bubbles[y]))
{
bubbles[x].collision = 1;
bubbles[y].collision = 1;
}
else
{
bubbles[x].collision = 0;
bubbles[y].collision = 0;
}
}
}
}
function random2(min, max)
{
var n = min+Math.round((max-min)*Math.random());
if (n>max)
n = max;
if (n<min)
n = min;
return n;
}
function overlaps(bubble,x,y,r)
{
var distance_x = Math.abs(bubble.x-x);
var distance_y = Math.abs(bubble.y-y);
var distance = Math.sqrt(distance_x*distance_x+distance_y*distance_y);
if (distance > 4+r+bubble.r)
return false;
else
return true;
}
function initSpeed(r)
{
return (r - random(2*r))*1.0;
}
function clickBubble(i)
{
selectBubble(i);
//$('iphone').focus();
return false;
}
function addBallNow(r,type,t,v,c)
{
var added = false;
var n = 100;
while (true)
{
n--;
var x = 0.0+random2(r,w-r);
var y = 0.0+random2(r,h-r);
var overlap = false;
for (var i=0;!overlap && i<bubbles.length;i++)
{
if (overlaps(bubbles[i],x,y,r))
overlap = true;
}
if (!overlap || n<=0)
{
//var div = document.createElement('div');
var div = document.createElement('button');
var id = bubbles.length;
div.id = id;
div.addEventListener('mousedown',function (event) { event.stopPropagation(); event.preventDefault(); clickBubble(+event.target.id);},false);;
div.className = 'btnbubble';
$('canvas').appendChild(div);
//div.innerHTML = t.replace(' ','<BR>');
div.textContent = t;
//div.appendChild(img);
var d = 2.0*(r+2*BORDER_WIDTH);
var d2 = d*d;
div.dataset.size = d;
div.style.width = d + 'px';
div.style.height = d + 'px';
div.style.backgroundImage = 'url(buttons/' + colors[c] + '.png)';
bubbles.push( { d:d, d2:d2, oldTime: new Date().getTime(), div:div, img: img, mass: 1, collision:0, vspeed:initSpeed(r), hspeed: initSpeed(r), x: x, y: y, r: r, t: t, qtype:type, value: v, color: c } );
return;
}
}
}
function moveBall(i)
{
if (bubbles[i] == null)
return;
var newTime = new Date().getTime();
var dt = newTime - bubbles[i].oldTime;
bubbles[i].oldTime = newTime;
//limitSpeed(i);
//dt = MS; //NOTIME
bubbles[i].x += (dt*bubbles[i].hspeed)/MS;
bubbles[i].y += (dt*bubbles[i].vspeed)/MS;
if (bubbles[i].y > h-bubbles[i].r || bubbles[i].y < bubbles[i].r)
{
bubbles[i].vspeed *= -1;
if (bubbles[i].y > h-bubbles[i].r)
bubbles[i].y = h-bubbles[i].r;
else
bubbles[i].y = bubbles[i].r;
}
if (bubbles[i].x < bubbles[i].r || bubbles[i].x > w-bubbles[i].r)
{
bubbles[i].hspeed *= -1;
if (bubbles[i].x < bubbles[i].r)
bubbles[i].x = bubbles[i].r;
else
bubbles[i].x = w-bubbles[i].r;
}
}
function getValueText()
{
var first, second;
if (tableValue > 12)
{
first = random2(1,4+2*LEVEL-1);
second = random2(1,4+2*LEVEL);
}
else
{
first = random2(1,4+2*LEVEL);
second = tableValue;
}
var operator = 0;
if (operationType === MIX)
operator = random2(0,3);
else
operator = operationType - 1;
if (operator === 0)
return {value:first+second,text:first+'+'+second};
else if (operator === 1)
{
second = Math.min(second,first);
return {value:first-second,text:first+'-'+second};
}
else if (operator === 2)
{
first = Math.min(first,20); // cap multiply at 20
return {value:first*second,text:first+'×'+second};
}
else if (operator === 3)
{
if (tableValue < 13)
{
second = tableValue;
first = random2(1,Math.min(20,4+2*LEVEL));
}
else
{
second = random2(1,Math.min(20,4+2*LEVEL));
first = random2(1,Math.min(20,4+2*LEVEL));
}
var multiply = first * second;
return {value:first,text:multiply+'/'+second};
}
}
function addBall()
{
var res = getValueText();
var color = random2(0,colors.length-1);
var color2 = random2(0,colors.length-1);
var r2 = 32;
var minwidth = Math.min(w,h) / 11;
var r = minwidth;
var r2 = minwidth+random(minwidth/2);
addBallNow(r,QUESTION,res.value+'',res.value,color);
addBallNow(r2,REPONSE,res.text,res.value,color2);
}
function limitSpeed(i)
{
if (bubbles[i].hspeed > speed_limit)
bubbles[i].hspeed = speed_limit;
if (bubbles[i].hspeed < -speed_limit)
bubbles[i].hspeed = -speed_limit;
if (bubbles[i].vspeed > speed_limit)
bubbles[i].vspeed = speed_limit;
if (bubbles[i].vspeed < -speed_limit)
bubbles[i].vspeed = -speed_limit;
}
var BLOW_STEPS = 0;
var isHidden = false;
function draw()
{
if (isHidden)
return;
//var newTime = new Date().getTime();
//var dt = newTime-oldTime;
//oldTime = newTime;
if (BLOW_STEPS > 50)
{
BLOW_STEPS = 0;
blow();
}
BLOW_STEPS++;
addBallStep--;
if (bubbles.length < 2*total && addBallStep<0)
{
addBallStep = ADDBALLSTEPS;
addBall();
}
var nbubbles = bubbles.length;
var allDone = true;
for (var i=0;i<nbubbles;i++)
{
if (bubbles[i] == null)
continue;
allDone = false;
var r = bubbles[i].r;
var drawSelected = i == selectedAnswer;
moveBall(i);
if (winner !== null)
{
winner.steps = winner.steps-1;
if (winner.steps <= 0)
{
//bubbles[winner.first].div.style.visibility = 'hidden';
bubbles[winner.first].div.parentElement.removeChild(bubbles[winner.first].div);
bubbles[winner.first] = null;
//bubbles[winner.second].div.style.visibility = 'hidden';
bubbles[winner.second].div.parentElement.removeChild(bubbles[winner.second].div);
bubbles[winner.second] = null;
winner = null;
}
if (winner !== null && (i === winner.first || i === winner.second))
drawSelected = true;
}
drawBubble(bubbles[i],drawSelected);
}
manageballs();
if (nbubbles == 2*total && allDone)
gameDone();
else
reqID = requestAnimationFrame(draw);
}
var messages = ['Awesome','Great','Super','You rock','Unbelievable','Bravissimo'];
function pickRandomMessage()
{
return messages[random2(0,messages.length-1)] + '!!';
}
function timeSecs(ms)
{
var secs = ms/1000;
return Math.round(secs);
}
function gameDone()
{
gameStarted = false;
//if (interval != null)
// clearInterval(interval);
if (windinterval != null)
clearInterval(windinterval);
var newTime = new Date().getTime();
bravodiv.textContent = pickRandomMessage();
if (nMistakes === 0)
subheader.textContent = timeSecs(newTime-TOTALTIME) + ' seconds, no mistakes!';
else
subheader.textContent = timeSecs(newTime-TOTALTIME) + ' seconds, ' + nMistakes + ' mistakes';
centered.style.visibility = 'visible';
choices.style.visibility = 'visible';
startgame.value = 'Go to Level ' + (LEVEL+1);
//setTimeout('newGame()',4000);
//newGame();
}
function random(n)
{
return Math.round(n*Math.random());
}
function goodMatch(i,j)
{
if (i === j)
return false;
try {
if (bubbles[i].value != bubbles[j].value)
return false;
} catch (evalue) {
console.log(evalue,i,j);
}
try {
if (bubbles[i].qtype === bubbles[j].qtype)
return false;
} catch (etype) {
console.log('etype',etype,i,j);
}
return true;
}
var winner = null;
var WINNER_STEPS = 64;
function play(audio) {
if (volumeOn)
{
audio.currentTime = 0;
audio.play();
}
}
function selectBubble(i)
{
//document.body.removeChild(bubbles[i].div);
//$('status').innerHTML = selectedAnswer + ',' + i;
if (selectedAnswer == -1)
selectedAnswer = i;
else if (goodMatch(i,selectedAnswer))
{
var dx = (bubbles[selectedAnswer].x - bubbles[i].x) / WINNER_STEPS / 2;
var dy = (bubbles[selectedAnswer].y - bubbles[i].y) / WINNER_STEPS / 2;
score += 1;//bubbles[selectedAnswer].v + bubbles[i].v;
displayScoreLevel();
winner = { first: i, second: selectedAnswer, dx: dx, dy: dy, steps: WINNER_STEPS };
//bubbles[i] = null;
//bubbles[selectedAnswer] = null;
bubbles[i].div.style.pointerEvents = 'none';
bubbles[i].popping = true;
bubbles[selectedAnswer].popping = true;
selectedAnswer = -1;
play(goodSound);
}
else
{
if (selectedAnswer !== i)
{
nMistakes += 1;
play(badSound);
}
selectedAnswer = -1;
}
}
function displayScoreLevel() {
scorediv.textContent = score + ' points';
leveldiv.textContent = 'Level ' + LEVEL;
}
function newGame()
{
nMistakes = 0;
centered.style.visibility = 'hidden';
choices.style.visibility = 'hidden';
var url = 'url(backgrounds/' + newbackgrounds[backgroundindex] + ')';
container.style.backgroundImage = url;
backgroundindex++;
if (backgroundindex>=newbackgrounds.length)
backgroundindex = 0;
$('canvas').innerHTML = '';
bubbles = new Array();
addBallStep = ADDBALLSTEPS;
var sum = 0;
//oldTime = new Date().getTime();
TOTALTIME = new Date().getTime();
//interval = setInterval(draw,DT);
reqID = requestAnimationFrame(draw);
//windinterval = setInterval(blow,WINDINTERVAL);
LEVEL+=1;
displayScoreLevel();
gameStarted = true;
}
function preload(callback)
{
return callback();
/*var n = colors.length + newbackgrounds.length;
for (var i=0;i<colors.length;i++)
{
var link = 'buttons/' + colors[i] + '.png';
var img = new Image();
img.onload = function () {
n--;
if (n <= 0)
callback();
}
img.src = link;
}
for (var i=0;i<newbackgrounds.length;i++)
{
var link = 'backgrounds/' + newbackgrounds[i];
var img = new Image();
img.onload = function () {
n--;
if (n <= 0)
callback();
}
img.src = link;
}*/
}
function init()
{
window.addEventListener('resize', function(event) {
var oldw = w;
w = canvas.offsetWidth;
h = canvas.offsetHeight;
if (bubbles && bubbles.length > 0)
{
for (var i=0;i<bubbles.length;i++)
{
var b = bubbles[i];
if (!b)
continue;
b.d = (b.d * w) / oldw;
b.d = Math.max(80,b.d);
b.d2 = b.d * b.d;
var size = Math.floor(b.d);
var a = b.div;
a.style.width = size + 'px';
a.style.height = size + 'px';
}
}
},false);
//document.body.style.display = 'none';
preload(function () {
//document.body.style.display = 'block';
w = canvas.offsetWidth;
h = canvas.offsetHeight;
nMistakes = 0;
var url = 'url(backgrounds/' + newbackgrounds[backgroundindex] + ')';
container.style.backgroundImage = url;
//bravodiv.textContent ='PopMath';
//subheader.textContent = 'Find matching bubbles!';
centered.style.visibility = 'visible';
choices.style.visibility = 'visible';
displayScoreLevel();
});
}
function changeRange(value)
{
tableValue = +value;
if (tableValue > 12)
table.textContent = 'Any Table';
else
table.textContent = 'Tables of ' + tableValue;
}
</script>
</head><body onload="init()">
<div id='container'>
<div id='canvas'></div>
<div id='leveldiv'>Level 0</div>
<div id='scorediv'>0 points</div>
<div id='centered'>
<div id='bravodiv'>PopMath</div>
<div id='subheader'>Find matching bubbles!</div>
<input type='button' id='startgame' onmousedown='newGame();return false' value='Go to Level 1'>
</div>
<div id='choices'>
<div id='table'>Any Table</div>
<input type=range min=2 max=13 value=13 oninput='changeRange(this.value)'>
<br>
<div class="operation-types">
<input onchange="operationType=+this.value" type="radio" name="flight-type" value="0" id="op0" checked />
<label for="op0">
mix
</label>
<input onchange="operationType=+this.value" type="radio" name="flight-type" value="1" id="op1"/>
<label for="op1">
+
</label>
<input onchange="operationType=+this.value" type="radio" name="flight-type" value="2" id="op2" />
<label for="op2">
-
</label>
<input onchange="operationType=+this.value" type="radio" name="flight-type" value="3" id="op3"/>
<label for="op3">
×
</label>
<input onchange="operationType=+this.value" type="radio" name="flight-type" value="4" id="op4" />
<label for="op4">
/
</label>
</div>
</div>
</body>
</html>