<html>
<head>
</head>
<body style="overflow:hidden" bgcolor="black">
<canvas id="a" width="100" height="100">Your browser does not support the Canvas element.</canvas>
<script type="text/javascript">
var VELOCITY = 20;
var PARTICLES = 1;
var z = 1;
var v1 = 0;
var v2 = 0;
var p1 = 0;
var p2 = 0;
var myImage = new Image();
myImage.src = "a.png";
var myImage2 = new Image();
myImage2.src = "a2.png";
var myImage3 = new Image();
myImage3.src = "a3.png";
var myImage4 = new Image();
myImage4.src = "a4.png";
var particles = [];
var colors = [ "rgba(0,255,255,.50)","rgba(255,0,0,.50)","rgba(255,255,0,.50)","rgba(100,255,185,.50)" ];
var canvas = document.getElementById('a');
var context;
if (canvas && canvas.getContext) {
context = canvas.getContext('2d');
for( var i = 0; i < PARTICLES; i++ ) {
particles.push( {
x: Math.random()*window.innerWidth,
y: Math.random()*window.innerHeight,
vx: ((Math.random()*(VELOCITY*2))-VELOCITY),
vy: ((Math.random()*(VELOCITY*2))-VELOCITY),
size: 1+Math.random()*2.5,
color: colors[ Math.floor( Math.random() * colors.length ) ]
} );
}
Initialize();
}
function Initialize() {
canvas.addEventListener('mousemove', MouseMove, false);
window.addEventListener('resize', ResizeCanvas, false);
setInterval( TimeUpdate, 1000/24 );
ResizeCanvas();
}
function TimeUpdate(e) {
context.clearRect(0, 0, window.innerWidth, window.innerHeight);
var len = particles.length;
var particle;
var aux1;
var aux2;
var posy1 = v1;
var posy2 = v2;
context.fillStyle = 'rgb(200,200,0)';
context.beginPath();
context.rect(0,posy1,5,150);
context.closePath();
context.fill();
context.fillStyle = 'rgb(200,200,0)';
context.beginPath();
context.rect(window.innerWidth-15,posy2,5,150);
context.closePath();
context.fill();
context.fillStyle = 'rgba(255,255,255,1)';
context.font = '15px""';
context.fillText("Controles",50,30);
context.fillText("P1: arriba=w abajo=s",50,45);
context.fillText("P2: arriba=8 abajo=2",50,60);
context.fillText("Nueva bola= n",50,75);
context.font = '35px""';
context.fillText(p1+" || "+ p2 ,(window.innerWidth/2)-30,30);
for( var i = 0; i < len; i++ ) {
particle = particles[i];
particle.x += particle.vx;
particle.y += particle.vy;
if (particle.x > window.innerWidth-45 && (particle.y > (posy2) && particle.y < (posy2+150))) {
VELOCITY += .35;
particle.vx = -VELOCITY - Math.random();
}
else if (particle.x < 35 && (particle.y > (posy1) && particle.y < (posy1+150))) {
VELOCITY += .35;
particle.vx = VELOCITY + Math.random();
}
else {
particle.vx *= (1 + (Math.random() * 0.005));
}
if (particle.y > window.innerHeight-8) {
particle.vy = -VELOCITY - Math.random();
}
else if (particle.y < 0) {
particle.vy = VELOCITY + Math.random();
}
else {
particle.vy *= (1 + (Math.random() * 0.005));
}
context.strokeStyle = particle.color;
context.beginPath();
context.arc(particle.x,particle.y,20,0,Math.PI*2,true);
context.closePath();
context.stroke();
if(particle.vx<=0){
if ((particle.x > window.innerWidth-60 && (particle.y > (posy2) && particle.y < (posy2+150))) || (particle.x < 50 && (particle.y > (posy1) && particle.y < (posy1+150)))) {
context.drawImage(myImage4, particle.x-20, particle.y-20, 40, 40);
}
else{
context.drawImage(myImage2, particle.x-20, particle.y-20, 40, 40);
}
}
else{
if ((particle.x > window.innerWidth-60 && (particle.y > (posy2) && particle.y < (posy2+150))) || (particle.x < 50 && (particle.y > (posy1) && particle.y < (posy1+150)))) {
context.drawImage(myImage3, particle.x-20, particle.y-20, 40, 40);
}
else{
context.drawImage(myImage, particle.x-20, particle.y-20, 40, 40);
}
}
if(particle.x<0||particle.x>window.innerWidth){
aux1=-particle.vx;
particle.vx=0;
aux2=-particle.vy;
particle.vy=0;
particle.y=-30;
if(particle.x < 0 && particle.x != -30){
p2++;
particle.x=-30;
};
if(particle.x>window.innerWidth && particle.x != -30){
p1++;
particle.x=-30;
};
};
}
}
function MouseMove(e) {
mouse.x = e.layerX;
mouse.y = e.layerY;
}
document.onkeydown = function(event) {
var keyCode = (window.event||event).keyCode;
switch(keyCode)
{
case 78:
VELOCITY = 20;
particles[0].x=(window.innerWidth/2);
particles[0].y=(window.innerHeight/2);
particles[0].vx=((Math.random()*(VELOCITY*2))-VELOCITY);
particles[0].vy=((Math.random()*(VELOCITY*2))-VELOCITY);
TimeUpdate();
break;
case 104:
if(v2>-1){
v2-=45;
}
else{
v2=0;
}
break;
case 87:
if(v1>-1){
v1-=45;
}
else{
v1=0;
}
break;
case 98:
if(v2<window.innerHeight-80){
v2+=45;
}
else{
v2=window.innerHeight-90;
}
break;
case 83:
if(v1<window.innerHeight-80){
v1+=45;
}
else{
v1=window.innerHeight-90;
}
break;
default:
break;
}
}
function ResizeCanvas(e) {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}
</script>
</body>
</html>