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Dot Shooter Game.html
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Dot Shooter Game.html
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<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Dots Space</title>
<style>
html{color:#000;background:#222222;} a{cursor:pointer;} html,body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,textarea,p,blockquote,th,td{margin:0;padding:0;} table{border-collapse:collapse;border-spacing:0;} fieldset,img{border:0;} address,caption,cite,code,dfn,em,strong,th,var{font-style:normal;font-weight:normal;} li{list-style:none;} caption,th{text-align:left;} /* h1,h2,h3,h4,h5,h6{font-size:100%;} */ q:before,q:after{content:'';} abbr,acronym {border:0;font-variant:normal;} sup {vertical-align:text-top;} sub {vertical-align:text-bottom;} input,textarea,select{font-family:inherit;font-size:inherit;font-weight:inherit;outline-style:none;outline-width:0pt;} legend{color:#000;} a:focus,object,h1,h2,h3,h4,h5,h6{-moz-outline-style: none; border:0px;} /*input[type="Submit"]{cursor:pointer;}*/ strong {font-weight: bold;} body {overflow: hidden; font-family: Helvetica, Arial, sans-serif; color: #333333; font-size: 11px; background-color: #222222;} canvas {background-color: #111111;} .ui {font-family: Arial, Helvetica, sans-serif; font-size: 10px; color: #999999; text-align: left; padding: 8px; background-color: rgba(0,0,0,0.5); position: absolute; z-index: 2; margin: 0;} #message {padding: 16px;} #message p {color:lime;font-size:12px;animation:blink 880ms ease-in-out infinite;} #status {width: 100%; height: 15px; padding: 8px; display: none;} #status span {color: dodgerblue; font-weight: bold; margin-right: 5px;} #title {margin-bottom: 20px; color: #eeeeee;} .ui ul {margin: 10px 0 10px 0;} .ui a {outline: none; font-family: Arial, Helvetica, sans-serif; font-size: 38px; text-decoration: none; color: #bbbbbb; padding: 2px; display: block;background: goldenrod;border-radius: 12px;text-align: center;} .ui a:hover {color: #000; background-color: #4bde35;}@keyframes blink {0%{color:lime;}100%{color:transparent;}}
</style>
</head>
<body>
<canvas id="world"></canvas>
<div id="status" class="ui"></div>
<div id="message" class="ui">
<h2 id="title"></h2>
<ul>
<li>1. Avoid RED dots.</li>
<br>
<li>2. Touch GREEN dots for invulnerability.</li>
<br>
<li>3. Use invulnerability to destroy RED dots.</li>
<br>
<li>4. Score EXTRA points by moving around a lot.</li>
<br>
<li>5. STAY ALIVE !</li>
</ul>
<a href="#" id="startButton">Start</a>
<br>
<p>Good Luck...</p>
</div>
<script type="text/javascript">
Spacedots = new function(){
var isMobile = (navigator.userAgent.toLowerCase().indexOf('android') != -1) || (navigator.userAgent.toLowerCase().indexOf('iphone') != -1);
var SCREEN_WIDTH = window.innerWidth;
var SCREEN_HEIGHT = window.innerHeight;
var canvas;
var context;
var status;
var message;
var title;
var startButton;
var enemies = [];
var boosts = [];
var particles = [];
var player;
var mouseX = (window.innerWidth - SCREEN_WIDTH);
var mouseY = (window.innerHeight - SCREEN_HEIGHT);
var mouseIsDown = false;
var playing = false;
var score = 0;
var time = 0;
var velocity = { x: -1.5, y: 1 };
var difficulty = 1;
this.init = function(){
canvas = document.getElementById('world');
status = document.getElementById('status');
message = document.getElementById('message');
title = document.getElementById('title');
startButton = document.getElementById('startButton');
if (canvas && canvas.getContext) {
context = canvas.getContext('2d');
// Register event listeners
document.addEventListener('mousemove', documentMouseMoveHandler, false);
document.addEventListener('mousedown', documentMouseDownHandler, false);
document.addEventListener('mouseup', documentMouseUpHandler, false);
canvas.addEventListener('touchstart', documentTouchStartHandler, false);
document.addEventListener('touchmove', documentTouchMoveHandler, false);
document.addEventListener('touchend', documentTouchEndHandler, false);
window.addEventListener('resize', windowResizeHandler, false);
startButton.addEventListener('click', startButtonClickHandler, false);
player = new Player();
windowResizeHandler();
setInterval(loop, 1000 / 70);
}
};
function startButtonClickHandler(event){
event.preventDefault();
if( playing == false ) {
playing = true;
enemies = [];
boosts = [];
score = 0;
difficulty = 1;
player.trail = [];
player.position.x = mouseX;
player.position.y = mouseY;
player.boost = 0;
message.style.display = 'none';
status.style.display = 'block';
time = new Date().getTime();
}
}
function gameOver() {
playing = false;
message.style.display = 'block';
title.innerHTML = 'Game Over! (' + Math.round( score ) + ' points)';
}
function documentMouseMoveHandler(event){
mouseX = event.clientX - (window.innerWidth - SCREEN_WIDTH) * .5 - 10;
mouseY = event.clientY - (window.innerHeight - SCREEN_HEIGHT) * .5 - 10;
}
function documentMouseDownHandler(event){
mouseIsDown = true;
}
function documentMouseUpHandler(event) {
mouseIsDown = false;
}
function documentTouchStartHandler(event) {
if(event.touches.length == 1) {
event.preventDefault();
mouseX = event.touches[0].pageX - (window.innerWidth - SCREEN_WIDTH) * .5;
mouseY = event.touches[0].pageY - (window.innerHeight - SCREEN_HEIGHT) * .5;
mouseIsDown = true;
}
}
function documentTouchMoveHandler(event) {
if(event.touches.length == 1) {
event.preventDefault();
mouseX = event.touches[0].pageX - (window.innerWidth - SCREEN_WIDTH) * .5;
mouseY = event.touches[0].pageY - (window.innerHeight - SCREEN_HEIGHT) * .5;
}
}
function documentTouchEndHandler(event) {
mouseIsDown = false;
}
function windowResizeHandler() {
SCREEN_WIDTH = window.innerWidth;
SCREEN_HEIGHT = window.innerHeight;
canvas.width = SCREEN_WIDTH;
canvas.height = SCREEN_HEIGHT;
var cvx = (window.innerWidth - SCREEN_WIDTH) * .5;
var cvy = (window.innerHeight - SCREEN_HEIGHT) * .5;
canvas.style.position = 'absolute';
canvas.style.left = cvx + 'px';
canvas.style.top = cvy + 'px';
message.style.left = cvx + 'px';
message.style.top = cvy + 200 + 'px';
}
function createParticles( position, spread, color ) {
var q = 10 + ( Math.random() * 15 );
while( --q >= 0 ) {
var p = new Particle();
p.position.x = position.x + ( Math.sin(q) * spread );
p.position.y = position.y + ( Math.cos(q) * spread );
p.velocity = { x: -4 + Math.random() * 8, y: - 4 + Math.random() * 8 };
p.alpha = 1;
particles.push( p );
}
}
function loop() {
context.clearRect(0,0,canvas.width,canvas.height);
var svelocity = { x: velocity.x * difficulty, y: velocity.y * difficulty };
var i, j, ilen, jlen;
if( playing ) {
difficulty += 0.0008;
pp = player.clonePosition();
player.position.x += ( mouseX - player.position.x ) * 0.13;
player.position.y += ( mouseY - player.position.y ) * 0.13;
score += 0.4 * difficulty;
score += player.distanceTo( pp ) * 0.1;
player.boost = Math.max( player.boost - 1, 0 );
if( player.boost > 0 && ( player.boost > 100 || player.boost % 3 != 0 ) ) {
context.beginPath();
context.fillStyle = '#167a66';//couleur interne au stade augmenter
context.strokeStyle = 'yellow';//couleur de la bordure au stade augmenter
context.arc(player.position.x, player.position.y, player.size*2, 0, Math.PI*2, true);
context.fill();
context.stroke();
}
player.trail.push( new Point( player.position.x, player.position.y ) );
context.beginPath();
context.strokeStyle = 'gold';// couleur du fil
context.lineWidth = 2;
for( i = 0, ilen = player.trail.length; i < ilen; i++ ) {
p = player.trail[i];
context.lineTo( p.position.x, p.position.y );
p.position.x += svelocity.x;
p.position.y += svelocity.y;
}
context.stroke();
context.closePath();
if( player.trail.length > 60 ) {
player.trail.shift();
}
context.beginPath();
context.fillStyle = 'orange';//couleur du noyau au stade normal
context.arc(player.position.x, player.position.y, player.size/2, 0, Math.PI*2, true);
context.fill();
}
if( playing && ( player.position.x < 0 || player.position.x > SCREEN_WIDTH || player.position.y < 0 || player.position.y > SCREEN_HEIGHT ) ) {
gameOver();
}
for( i = 0; i < enemies.length; i++ ) {
p = enemies[i];
if( playing ) {
if( player.boost > 0 && p.distanceTo( player.position ) < ( ( player.size * 4 ) + p.size ) * 0.5 ) {
createParticles( p.position, 10 );
enemies.splice( i, 1 );
i --;
score += 10;
continue;
}
else if( p.distanceTo( player.position ) < ( player.size + p.size ) * 0.5 ) {
createParticles( player.position, 10 );
gameOver();
}
}
context.beginPath();
context.fillStyle = 'red';//couleur des balles ennemies diminue
context.arc(p.position.x, p.position.y, p.size/2, 0, Math.PI*2, true);
context.fill();
p.position.x += svelocity.x * p.force;
p.position.y += svelocity.y * p.force;
if( p.position.x < 0 || p.position.y > SCREEN_HEIGHT ) {
enemies.splice( i, 1 );
i --;
}
}
for( i = 0; i < boosts.length; i++ ) {
p = boosts[i];
if( p.distanceTo( player.position ) < ( player.size + p.size ) * 0.5 && playing ) {
player.boost = 300;
for( j = 0; j < enemies.length; j++ ) {
e = enemies[j];
if( e.distanceTo( p.position ) < 100 ) {
createParticles( e.position, 10 );
enemies.splice( j, 1 );
j--;
score += 10;
}
}
}
context.beginPath();
context.fillStyle = '#00ffcc';//couleur de la balle de point augmente
context.arc(p.position.x, p.position.y, p.size/2, 0, Math.PI*2, true);
context.fill();
p.position.x += svelocity.x * p.force;
p.position.y += svelocity.y * p.force;
if( p.position.x < 0 || p.position.y > SCREEN_HEIGHT || player.boost != 0 ) {
boosts.splice( i, 1 );
i --;
}
}
if( enemies.length < 25 * difficulty ) {
enemies.push( positionNewOrganism( new Enemy() ) );
}
if( boosts.length < 1 && Math.random() > 0.997 && player.boost == 0 ) {
boosts.push( positionNewOrganism( new Boost() ) );
}
for( i = 0; i < particles.length; i++ ) {
p = particles[i];
p.velocity.x += ( svelocity.x - p.velocity.x ) * 0.04;
p.velocity.y += ( svelocity.y - p.velocity.y ) * 0.04;
p.position.x += p.velocity.x;
p.position.y += p.velocity.y;
p.alpha -= 0.02;
context.fillStyle = 'red'+Math.max(p.alpha,0)+')';
context.fillRect( p.position.x, p.position.y, 1, 1 );
if( p.alpha <= 0 ) {
particles.splice( i, 1 );
}
}
if( playing ) {
scoreText = 'Score: <span>' + Math.round( score ) + '</span>';
scoreText += ' Time: <span>' + Math.round( ( ( new Date().getTime() - time ) / 1000 ) * 100 ) / 100 + 's</span>';
status.innerHTML = scoreText;
}
}
function positionNewOrganism( p ) {
if( Math.random() > 0.5 ) {
p.position.x = Math.random() * SCREEN_WIDTH;
p.position.y = -20;
}
else {
p.position.x = SCREEN_WIDTH + 60;
p.position.y = (-SCREEN_HEIGHT * 0.2) + ( Math.random() * SCREEN_HEIGHT * 1.2 );
}
return p;
}
};
/****/
function Point( x, y ) {
this.position = { x: x, y: y };
}
Point.prototype.distanceTo = function(p) {
var dx = p.x-this.position.x;
var dy = p.y-this.position.y;
return Math.sqrt(dx*dx + dy*dy);
};
Point.prototype.clonePosition = function() {
return { x: this.position.x, y: this.position.y };
};
/****/
function Player() {
this.position = { x: 0, y: 0 };
this.trail = [];
this.size = 8;
this.boost = 0;
}
Player.prototype = new Point();
/****/
function Enemy() {
this.position = { x: 0, y: 0 };
this.size = 6 + ( Math.random() * 4 );
this.force = 1 + ( Math.random() * 0.4 );
}
Enemy.prototype = new Point();
/****/
function Boost() {
this.position = { x: 0, y: 0 };
this.size = 10 + ( Math.random() * 8 );
this.force = 1 + ( Math.random() * 0.4 );
}
Boost.prototype = new Point();
/****/
function Particle() {
this.position = { x: 0, y: 0 };
this.force = 1 + ( Math.random() * 0.4 );
this.color = '#ff0000';
}
Particle.prototype = new Point();
Spacedots.init();
</script>
</body>
</html>