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bubble-game.html
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<!DOCTYPE html>
<html>
<head>
<link href="https://fonts.googleapis.com/css?family=Nunito" rel="stylesheet">
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<style>
html, body {
box-sizing: border-box;
width: 100%;
height: 100%;
margin: 0px;
padding:0px;
border: 0;
overflow: hidden;
display: block;
font-family: nunito, sans-serif;
-webkit-tap-highlight:none;
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
#Xcontainer {
z-index: 2;
padding:0px 0px;
margin:0;
width:auto;
height:auto;
display: inline;
user-select: none;
border-radius: 40px;
}
#game-over{
display: none;
}
.whiteBackground{
background:white;
}
.square{
zoom: 0.6;
position:relative;
top: 50%;
transform: translateY(-50%);
padding: 0;
margin:0;
width:100px;
height:100px;
display: inline;
-webkit-tap-highlight:none;
user-select: none;
border-radius: 100%;
background: white;
}
.square:hover{
cursor:pointer;
-webkit-tap-highlight:none;
user-select: none;
}
.line {
display:block;
background: linear-gradient(to right, #9D07AD, #0966E8);
margin:13px 0;
height:15px;
width:100px;
border-radius:10px;
display:block;
will-change: margin;
transition: all 0.5s ease-in-out;
-webkit-tap-highlight:none;
user-select: none;
}
.a3-line1-close {
transform: rotate(-45deg) translateY(20px) translateX(2px) scaleX(0.5) scale(0.9);
}
.a3-line3-close {
transform: translateX(-3px) rotate(-45deg) translateY(-18px) scaleX(0.5) scale(0.9);
}
.a3-line2-close {
border-radius:5px;
transform: rotate(45deg) translateY(0px) translateX(0px) scale(0.9);
}
canvas {
background: linear-gradient(141deg, #48F4F7, #F89FFC);
cursor:crosshair;
z-index: 1;
}
.plain{
margin:8px auto;
padding:0;
z-index: 0;
}
#info {
height:78px;
width:auto;
display:flex;
flex-direction: row;
position:absolute;
padding:10px 10px;
bottom:0;
right:0;
box-sizing: border-box;
justify-content: flex-end;
}
h1 {
margin-bottom:0;
}
h2{
border:1px solid white;
border-radius:30px;
padding:6px 12px;
margin:0 5px;
color:white;
display: inline;
}
#menu{
height: 100vh;
width:100vw;
position: absolute;
top:0;
left:0;
display: normal;
background: linear-gradient(141deg, #0966E8, #9D07AD);
}
#menu h2{
cursor:pointer;
border:none;
color:black;
width: fit-content;
display:block;
padding:6px 12px;
margin: 8px auto;
background:white;
transition-timing-function: ease;
transition-duration: 0.3s;
}
#menu h2:hover{
box-shadow: 2px 1px 20px;
transition-duration: 0.2s;
}
#menu h2:active{
background: blue;
transition-timing-function: ease;
transition-duration: 1s;
}
.hide-menu{
z-index: -1;
}
@keyframes fade-in {
from {opacity:0;}
to {opacity:1;}
}
.show-menu{
animation-name: fade-in;
animation-duration: 1s;
animation-fill-mode: forwards;
z-index: 1;
}
.show-desktop{
display: none;
}
.bottom-up {
color:white;
text-align: center;
padding:80px 0px;
box-sizing: border-box;
height: 100vh;
display: flex;
justify-content: space-around;
flex-direction: column;
}
</style>
</head>
<body onload="startGame()">
<div id="canvasDiv">
<canvas id="canvas" width="640" height="260"></canvas>
</div>
<div id="info">
<div style="padding-top:0.3rem; padding-right:1rem; cursor:pointer;" class="plain">
<h2 id="scoreboard">Score:0</h2>
<h2 id="focus">Center</h2>
</div>
<div id="Xcontainer">
<div id="a3-menu" class="square">
<div id="a3-line1" class="line"></div>
<div id="a3-line2" class="line"></div>
<div id="a3-line3" class="line"></div>
</div>
</div>
</div>
<div id="menu" class="hide-menu">
<div class="bottom-up hide-menu">
<div class="plain">
<div id='game-over'>
<h1>GAME OVER</h1>
<hr>
<p>Practice makes perfect!<br><br><br></p>
</div>
<h1 style="text-decoration: underline;" id="scoreboard2" class="button-not-pressed">Score:0</h1>
<p class="show-desktop">(R to restart)</p>
<h2 id="restart-button" class="button-not-pressed" onclick="restartGame()"> Restart</h2>
<div id='settings'>
<h1>Settings:</h1>
<p> Targeting Algorithm: <br><span class="show-desktop">(F to toggle)</span></p>
<h2 id="focus2" class="button-not-pressed">Center</h2>
<div id='calibrate-div'>
<p> Gyroscope:</p>
<h2 id="calibrate-button" class="button-not-pressed" onclick="calibrateGyroscope()">Calibrate</h2>
</div>
<h1>How to Play:</h1>
<p class="show-desktop"> Use WASD to move. <br>Use your mouse to aim. <br>Good luck!</p>
<p class="show-mobile"> Calibrate your device in a good position <br> and tilt to move your player. <br> Tap to aim.</p>
</div>
</div>
</div>
</div>
<script
src="https://code.jquery.com/jquery-3.3.1.slim.js"
integrity="sha256-fNXJFIlca05BIO2Y5zh1xrShK3ME+/lYZ0j+ChxX2DA="
crossorigin="anonymous"></script>
<script>
var mobile = true;
if (!/Mobi|Android/i.test(navigator.userAgent) || /iPad/i.test(navigator.userAgent)) {
//not mobile!
mobile = false;
var info = document.getElementById('info');
info.style.top = 0;
document.getElementById('calibrate-div').style.display = "none";
var showMobList = document.getElementsByClassName("show-mobile");
for(i = 0; i < showMobList.length; i++ )
{
showMobList[i].style.display = 'none';
}
var showDeskList = document.getElementsByClassName("show-desktop");
for(i = 0; i < showDeskList.length; i++ )
{
showDeskList[i].style.display = 'block';
}
}
var myGamePiece;
var myObstacles = [];
var myBullets = [];
var myCannons = [];
var myScore;
var scoreboard = document.getElementById("scoreboard");
var scoreboard2 = document.getElementById("scoreboard2");
var focusButton = document.getElementById("focus");
var focusButton2 = document.getElementById("focus2");
var m = Math;
var mouseX;
var mouseY;
var pause = false;
//pauses game and opens hamburger menu
var Pause = function(){
pause = !pause;
$("#Xcontainer").toggleClass("whiteBackground");
$("#menu").toggleClass("show-menu");
$("#menu").toggleClass("hide-menu");
$(".bottom-up").toggleClass("show-menu");
$(".bottom-up").toggleClass("hide-menu");
$("#a3-line1").toggleClass("a3-line1-close");
$("#a3-line2").toggleClass("a3-line2-close");
$("#a3-line3").toggleClass("a3-line3-close");
};
//calls Pause() when hamburger icon is clicked on
$('#a3-menu').click(Pause);
/*
document.getElementById('#a3-menu').click(function(){
pause = !pause;
$("#Xcontainer").toggleClass("whiteBackground");
$("#menu").toggleClass("show-menu");
$("#menu").toggleClass("hide-menu");
$(".bottom-up").toggleClass("show-menu");
$(".bottom-up").toggleClass("hide-menu");
$("#a3-line1").toggleClass("a3-line1-close");
$("#a3-line2").toggleClass("a3-line2-close");
$("#a3-line3").toggleClass("a3-line3-close");
});
*/
function startGame() {
resizeCanvas();
myGamePiece = new component(6, 6, "white", 150, 150, "player");
myCannons.Center = true;
myCannons.push(new component(4,4, "white", window.innerWidth*0.3, window.innerHeight*0.5, "cannon", 1));
myCannons.push(new component(4,4, "white", window.innerWidth*0.7, window.innerHeight*0.5, "cannon", 1));
myGamePiece.gravity = 0.05;
myGamePiece.damage = 2;
myScore = 0;
myGameArea.start();
}
var myGameArea = {
canvas : document.getElementById("canvas"),
start : function() {
this.canvas.width = window.innerWidth;
this.canvas.height = window.innerHeight;
this.context = this.canvas.getContext("2d");
this.frameNo = 0;
this.interval = setInterval(updateGameArea, 20);
window.addEventListener('resize', resizeCanvas, false);
resizeCanvas();
this.canvas.addEventListener('mousemove', function (e) {
mouseX=e.x;
mouseY=e.y;
})
window.addEventListener("deviceorientation", deviceOrientationListener, true);
//fire on click
// this.canvas.addEventListener('click', function (e) {
// myGamePiece.fireBullet();
// })
focusButton.addEventListener('click', function (e) {
changeCannonFocus();
})
focusButton2.addEventListener('click', function (e) {
changeCannonFocus();
})
window.addEventListener('keydown', function (e) {
if(e.keyCode == 87){
if(mobile)
myGamePiece.speedY -= 3;
else
accelerate(-0.3);
}
if(e.keyCode == 83){
if(mobile)
myGamePiece.speedY += 3;
else
accelerate(0.3);
}
//f for targeting focus
if(e.keyCode == 70)
changeCannonFocus();
//p for pause
if(e.keyCode == 80)
Pause();
//r for restart
if(e.keyCode == 82)
restartGame();
if(e.keyCode == 65)
myGamePiece.speedX -= 4;
if(e.keyCode == 68)
myGamePiece.speedX += 4;
})
window.addEventListener('keyup', function (e) {
if(e.keyCode == 87 && !mobile){
if(mobile)
accelerate(0);
else
accelerate(0.05);
}
})
},
clear : function() {
this.context.clearRect(0, 0, this.canvas.width, this.canvas.height);
}
}
function component(width, height, color, x, y, type, damage) {
this.type = type;
this.score = 0;
this.damage = damage;
this.width = width;
this.height = height;
this.speedX = 0;
this.speedY = 0;
this.x = x;
this.y = y;
this.gravity = 0;
this.gravitySpeed = 0;
this.update = function() {
ctx = myGameArea.context;
ctx.save();
ctx.translate(this.x, this.y);
//ctx.rotate(this.angle);
ctx.beginPath();
ctx.arc(0,0,this.width,0,2*Math.PI);
// if(type == "player" || type == "cannon"){
// ctx.fill();
// }
// else{
ctx.strokeStyle = color;
ctx.fillStyle = color;
ctx.fill();
// }
//ctx.fillRect(this.width / -2, this.height / -2, this.width, this.height);
ctx.restore();
}
this.attackPlayer = function(player, attacker) {
if(attacker.width >= 10) {
var direction = m.atan2(player.y-attacker.y,player.x-attacker.x);
//attacker.angle = direction;
var magnitude = 1;
attacker.x += magnitude*m.cos(direction);
attacker.y += magnitude*m.sin(direction);
} else {
attacker.newPos();
}
attacker.update();
}
this.fireBullet = function(target) {
var b = new component(this.damage, 1, "white", this.x, this.y, "bullet", this.damage);
if(type == "player") {
b.angle = m.atan2(this.y-mouseY,this.x-mouseX) -0.1 + (m.random() * 0.2);
}
else if(myObstacles.length > 0){
b.angle = m.atan2(this.y-target.y,this.x-(target.x)) -0.1 + (m.random() * 0.2);
}
var magnitude = 5;
b.gravity = 0.05;
b.speedX = -magnitude*m.cos(b.angle);
b.speedY = -magnitude*m.sin(b.angle);
myBullets.push(b);
}
this.updateBullet = function(){
// this.gravitySpeed += this.gravity;
this.x += this.speedX;
this.y += this.speedY + this.gravitySpeed;
this.update();
}
this.newPos = function() {
if(!mobile)
this.gravitySpeed += this.gravity;
this.x += this.speedX;
this.speedX /= 1.02;
this.speedY /= 1.02;
this.y += this.speedY + this.gravitySpeed;
if(this.type == "player")
this.hitBottom();
}
this.hitBottom = function() {
if (this.y + myGamePiece.height > myGameArea.canvas.height) {
this.y = myGameArea.canvas.height - myGamePiece.height;
if(mobile)
this.speedY = this.speedY*-0.5;
else
this.gravitySpeed = this.gravitySpeed*-0.5;
}
if (this.y - myGamePiece.height < 0) {
this.y = myGamePiece.width;
if(mobile)
this.speedY = this.speedY*-0.5;
else
this.gravitySpeed = this.gravitySpeed*-1;
}
if (this.x - myGamePiece.width < 0) {
this.x = myGamePiece.width;
this.speedX = this.speedX*-0.5;
}
if (this.x - myGamePiece.width > canvas.width) {
this.x = canvas.width - myGamePiece.width;
this.speedX = this.speedX*-0.5;
}
}
this.crashWith = function(otherobj) {
// var myleft = this.x + (this.width/-2);
// var myright = this.x + (this.width)/2;
// var mytop = this.y + (this.height/-2);
// var mybottom = this.y + (this.height/2);
// var otherleft = otherobj.x + (otherobj.width/-2);
// var otherright = otherobj.x + (otherobj.width/2);
// var othertop = otherobj.y + (otherobj.height/-2);
// var otherbottom = otherobj.y + (otherobj.height/2);
// var crash = true;
// if ((mybottom < othertop) || (mytop > otherbottom) || (myright < otherleft) || (myleft > otherright)) {
// crash = false;
// }
// return crash;
return ( //for circle collisions
m.pow((this.x-otherobj.x),2) + m.pow((this.y-otherobj.y),2)
< m.pow((this.width + otherobj.width),2)
)
}
}
function restartGame(){
location = location
}
function updateGameArea() {
if(!pause){
var x, height, gap, minHeight, maxHeight, minGap, maxGap;
for (i = 0; i < myObstacles.length; i ++) {
for(j = 0; j < myBullets.length; j ++){
//check for collisions between bullets and enemies
if (myBullets[j].crashWith(myObstacles[i])) {
var damage = myBullets[j].damage;
myBullets[j] = myBullets[myBullets.length-1];
myBullets.pop();
myScore ++;
myObstacles[i].width -= damage;
if(myObstacles[i].width < 3){
//overwrite obstacle to be deleted and pop the obstacle that was just copied from the end
myObstacles[i] = myObstacles[myObstacles.length-1]
myObstacles.pop();
return;
}
if(myObstacles[i].width < 5){
//split -> add new smaller obstacles
var tiny1;
for(z = 0; z < 5*m.random()+1; z++) {
var sign = Math.random() < 0.5 ? -1 : 1;
var sign2 = Math.random() < 0.5 ? -1 : 1;
tiny1 = new component(2, 2, "rgb(" + m.random()*255+1 + ", "+ m.random()*25+1 + ", "+ m.random()*255+1 + ")", myObstacles[i].x + (6*m.random()), myObstacles[i].y + (6*m.random()) );
tiny1.speedX = 6*m.random()*sign;
tiny1.speedY = 6*m.random()*sign2;
myObstacles.push(tiny1);
}
//delete old obstacle
myObstacles[i] = myObstacles[myObstacles.length-1]
myObstacles.pop();
return;
}
if(myObstacles[i].width < 10){
//split -> add new smaller obstacles
var tiny1;
for(z = 0; z < 3; z++) {
var sign = Math.random() < 0.5 ? -1 : 1;
var sign2 = Math.random() < 0.5 ? -1 : 1;
tiny1 = new component(5, 5, "rgb(" + m.random()*255+1 + ", "+ m.random()*25+1 + ", "+ m.random()*255+1 + ")", myObstacles[i].x + (6*m.random()), myObstacles[i].y + (6*m.random()) );
tiny1.speedX = 6*m.random()*sign;
tiny1.speedY = 6*m.random()*sign2;
myObstacles.push(tiny1);
}
//delete old obstacle
myObstacles[i] = myObstacles[myObstacles.length-1]
myObstacles.pop();
return;
}
}
}
//player runs into bubble - GAME OVER
if (myGamePiece.crashWith(myObstacles[i])) {
window.removeEventListener("deviceorientation", deviceOrientationListener, true);
Pause();
//hide menu toggle when game is over and change menu to show game over text
document.getElementById('a3-menu').style.display = "none";
document.getElementById('game-over').style.display = "inline";
document.getElementById('settings').style.display = "none";
}
}
myGameArea.clear();
myGameArea.frameNo += 1;
if (everyinterval(20)){
if(myCannons.center){
var minIndex = 0;
//find obstacle farthest left on canvas
for(i = 1; i < myObstacles.length; i++){
//target balloon closest to middle of screen in x direction
if( m.abs((myObstacles[i].x - (window.innerWidth*0.5))) < m.abs((myObstacles[minIndex].x - (window.innerWidth*0.5)) )){
minIndex = i;
}
}
for(i = 0; i < myCannons.length; i++){
myCannons[i].fireBullet(myObstacles[minIndex]);
}
}
else {
//target tiny balloons first
var z = 0;
while(!(myObstacles[z].width < 5) && z < myObstacles.length-1){
z++;
}
for(i = 0; i < myCannons.length; i++){
myCannons[i].fireBullet(myObstacles[z]);
}
// //target separate obstacles
// for(i = 0; i < myCannons.length; i++){
// myCannons[i].fireBullet(myObstacles[i%myObstacles.length]);
// }
}
}
if(everyinterval(5))
myGamePiece.fireBullet();
if(myGameArea.frameNo == 1)
calibrateGyroscope();
if (myGameArea.frameNo == 1 || (!mobile && everyinterval(500/(window.innerWidth*window.innerHeight))) || everyinterval(100)) {
x = myGameArea.canvas.width;
y = myGameArea.canvas.height;
var size = m.random()*10+10;
var sign = Math.random() < 0.5 ? -1 : 1;
var sign2 = Math.random() < 0.5 ? -1 : 1;
myObstacles.push(new component(size, size, "rgba(" + m.random()*255+1 + ", "+ m.random()*25+1 + ", "+ m.random()*255+1 + ",1)", (0.5*x)+((2*x*m.random())*sign), (0.5*y)+((2*y*m.random())*sign2)));
}
for (i = 0; i < myObstacles.length; i += 1) {
myObstacles[i].attackPlayer(myGamePiece, myObstacles[i]);
}
for (i = 0; i < myBullets.length; i += 1) {
myBullets[i].updateBullet();
}
for (i = 0; i < myCannons.length; i += 1) {
myCannons[i].update();
}
scoreboard.innerHTML = "Score: " + myScore;
scoreboard2.innerHTML = "Score: " + myScore;
myGamePiece.newPos();
myGamePiece.update();
}
}
function changeCannonFocus(){
myCannons.center = !myCannons.center;
if(myCannons.center) {
focusButton.innerHTML = "Center";
focusButton2.innerHTML = "Center";
} else {
focusButton.innerHTML = "Smallest";
focusButton2.innerHTML = "Smallest";
}
}
function everyinterval(n) {
if ((myGameArea.frameNo / n) % 1 == 0) {return true;}
return false;
}
function accelerate(n) {
myGamePiece.gravity = n;
}
var beta = 0;
var newBeta = 0;
var gamma = 0;
var newGamma = 0;
var calButton = document.getElementById('calibrate-button');
function calibrateGyroscope() {
beta = newBeta;
gamma = newGamma;
}
function deviceOrientationListener(event) {
newBeta = Math.round(event.beta);
newGamma = Math.round(event.gamma);
myGamePiece.y += (newBeta-beta)*1;
myGamePiece.x += (newGamma-gamma)*0.4;
}
function resizeCanvas() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}
</script>
</body>
</html>