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index.html
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<!DOCTYPE html>
<meta charset="utf8">
<style>
body {
background: #000;
margin:0;
}
.board {
background:#222;
width:820px;
height:620px;
margin:auto;
padding:10px;
border-radius:3px;
overflow: hidden;
position: relative;
/*-webkit-box-reflect: below 2px -webkit-linear-gradient(top, transparent 40%, rgba(255,255,255,0.3));*/
}
.glare {
position: absolute;
top:0;
left:0;
width:100%;
height:100%;
background-image:-webkit-radial-gradient(-50px -50px, ellipse farthest-corner, rgba(190,190,255,0.5) 0%, rgba(190, 190, 255, 0) 40%),
-webkit-radial-gradient(100% 100%, ellipse farthest-corner, rgba(190,190,255,0.25) 0%, rgba(190, 190, 255, 0) 40%);
}
.points {
position: absolute;
font-size:52px;
font-family:Arial;
font-weight:bold;
color:#fff;
top:0;
left:0;
width:100%;
-webkit-user-select:none;
}
.right {
position: absolute;
top:20px;
left:50%;
width:50px;
line-height:50px;
margin-left:15px;
-webkit-perspective:200px;
-webkit-transform-style: preserve-3d;
-webkit-transform-origin: center bottom;
-webkit-transform:rotateX(0deg);
}
.left {
position: absolute;
top:20px;
right:50%;
width:50px;
line-height:50px;
margin-right:15px;
text-align:right;
-webkit-perspective:200px;
-webkit-transform-style: preserve-3d;
-webkit-transform-origin: center bottom;
-webkit-transform:rotateX(0deg);
}
.points div {
-webkit-transition:all 200ms;
}
.points div.down {
-webkit-transform:rotateX(90deg);
}
canvas {
border:10px solid #fff;
border-radius:3px;
box-shadow:0 0 15px rgba(0,0,0,0.8);
}
</style>
<div class="board">
<canvas id="pong" width="800" height="600"></canvas>
<div class="points">
<div class="left">0</div>
<div class="right">0</div>
</div>
<div class="glare"></div>
</div>
<script>
var c = document.getElementById('pong').getContext("2d");
var side;
var ball = {};
var pads = {};
var game = {};
var ws = new WebSocket('ws://awkpair.local:1337');
var setUp = function() {
document.getElementById('pong').width = game.w;
document.getElementById('pong').height = game.h;
document.getElementById('pong').parentNode.style.width = (game.w + 20) + "px";
document.getElementById('pong').parentNode.style.height = (game.h + 20) + "px";
c.clearRect(0, 0, game.w, game.h);
c.fillStyle = '#111';
c.fillRect(0, 0, game.w, game.h);
c.beginPath();
c.strokeStyle = '#fff';
c.setLineDash([20, 15])
c.lineWidth = 10;
c.moveTo(game.w / 2, 0);
c.lineTo(game.w / 2, game.h);
c.stroke();
};
var parseMessage = function(e) {
var response = JSON.parse(e.data);
if(pads.left && (pads.left.points != response.pads.left.points)) {
document.querySelector('.left').className = 'left down';
setTimeout(function() {
document.querySelector('.left').innerHTML = response.pads.left.points;
document.querySelector('.left').className = 'left';
}, 200);
}
if(pads.right && (pads.right.points != response.pads.right.points)) {
document.querySelector('.right').className = 'right down';
setTimeout(function() {
document.querySelector('.right').innerHTML = response.pads.right.points;
document.querySelector('.right').className = 'right';
}, 200);
}
pads = response.pads;
side = response.side;
ball = response.ball;
game = response.court;
tick();
};
var isDown = false;
var isUp = false;
var sendAction = function(e) {
if(e.which == 38 && e.type == 'keydown') {
isUp = true;
}
if(e.which == 40 && e.type == 'keydown') {
isDown = true;
}
if(e.which == 38 && e.type == 'keyup') {
isUp = false;
}
if(e.which == 40 && e.type == 'keyup') {
isDown = false;
}
var data = {
up: isUp,
down: isDown,
};
ws.send(JSON.stringify(data));
};
var points = [];
var maxParticles = 1000;
var point, i, j;
var pointsPerTick = 20;
var mouseX = 50;
var mouseY = 50;
window.addEventListener("mousemove", function(e) {
mouseX = e.clientX;
mouseY = e.clientY;
});
function Particle(options) {
this.life = options.life || 1000;
this.maxLife = this.life;
this.maxVelocity = 5;
this.speed = 1;
this.vy = options.vy || Math.random() * (this.maxVelocity * 2) - this.maxVelocity;
this.vx = options.vx || Math.random() * (this.maxVelocity * 2) - this.maxVelocity;
this.force = 1;
this.acceleration = 1;
this.x = options.x || 0;
this.y = options.y || 0;
this.ox = this.x;
this.oy = this.y;
this.bounces = 0;
this.r = options.r || Math.ceil(Math.random() * 255);
this.g = options.g || Math.ceil(Math.random() * 255);
this.b = options.b || Math.ceil(Math.random() * 255);
this.size = options.size || 2;
this.accelerationRate = (this.vy > 0 ? this.maxVelocity - this.vy : this.maxVelocity + this.vy) / 10;
}
Particle.prototype.tick = function() {
this.life--;
if(this.vy <= 0) {
this.force -= 0.03;
}
if(this.force <= 0) {
this.acceleration = 2.5;
}
this.acceleration += this.accelerationRate;
this.x += this.vx;
this.y += (this.vy * this.force) * this.acceleration;
if(this.x < 0) {
this.vx = this.vx * -1;
this.x = 0;
}
if(this.x > c.width) {
this.vx = this.vx * -1;
this.x = c.width;
}
if(this.y - this.size < 0) {
this.vy = this.vy * -1;
this.y = 0;
}
if(this.y + this.size > c.height) {
this.vy = this.vy * -1;
this.y = c.height - this.size;
this.force = 1 - (0.1 * this.bounces);
if(this.force < 0) {
this.force = 0;
}
this.bounces++;
}
};
var tick = function() {
setUp();
c.fillStyle = '#fff';
c.beginPath();
c.lineWidth = 0;
c.arc(ball.x + (ball.w / 2), ball.y + (ball.h / 2), ball.w / 2, 0, Math.PI * 2, true);
c.closePath();
c.fill();
if(pads.left.active) {
c.fillRect(pads.left.x, pads.left.y, pads.left.w, pads.left.h);
}
if(pads.right.active) {
c.fillRect(pads.right.x, pads.right.y, pads.right.w, pads.right.h);
}
if(ball.sparks) {
for(i = points.length, j = 0; i < maxParticles && j < ball.sparks; i++, j++) {
points.push(new Particle({
x: ball.x + (ball.w / 2),
y: ball.y + (ball.h / 2),
size: Math.round(Math.random() * 10),
life: 50,
r: Math.ceil(Math.random() * 255),
g: Math.ceil(Math.random() * 255),
b: Math.ceil(Math.random() * 255)
}));
}
}
for(i = 0; i < points.length; i++) {
point = points[i];
point.tick();
if(point.life === 0) {
points.splice(i, i);
}
c.fillStyle = "rgba("+point.r+","+point.g+","+point.b+","+(point.life / point.maxLife)+")";
c.beginPath();
c.arc(point.x, point.y, point.size / 2, 0, Math.PI * 2, true);
c.closePath();
c.fill();
}
};
setUp();
ws.onopen = function(e) {
document.onkeydown = sendAction;
document.onkeyup = sendAction;
document.onmousemove = function(e) {
var canvasOffsetTop = 20;
if(e.y > canvasOffsetTop && e.y < (game.h + canvasOffsetTop)) {
ws.send(JSON.stringify({
y: e.y - canvasOffsetTop
}));
document.body.style.cursor = 'none';
} else {
document.body.style.cursor = 'normal';
}
};
};
ws.onmessage = parseMessage;
</script>