<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<title></title>
<style>
body{
text-align:center;
}
#canvas{
border:1px solid #ccc;
margin:0 auto;
}
</style>
</head>
<body>
<canvas id="canvas" width="1300" height="600"></canvas>
<script src="js/digit.js"></script>
<script type="text/javascript">
var can=document.getElementById("canvas");
var ctx=can.getContext("2d");
var x= 30,y=100, R=10,balls=[];
var colors=["#008000","#FF6600","#f92672","#e67e22","#960050","#aaffaa","#ae81ff","#a3dbec","#c7254e","#00A000"];
var hours= 0,minutes= 0,seconds= 0,lastSeconds= 0,lastMinutes= 0,lastHours=0;
var nowDate = new Date();
lastHours = nowDate.getHours();
lastMinutes = nowDate.getMinutes();
lastSeconds = nowDate.getSeconds();
init();
setInterval(function(){
init();
console.log(balls.length);
},50);
function init() {
nowDate = new Date();
hours = nowDate.getHours();
minutes = nowDate.getMinutes();
seconds = nowDate.getSeconds();
update(hours, minutes, seconds);
time();
}
function time() {
if (seconds != lastSeconds) {
if (parseInt(seconds / 10) != parseInt(lastSeconds / 10)) {
addBalls(x + 79 * (R + 1), y, parseInt(seconds / 10));
}
if (parseInt(seconds % 10) != parseInt(lastSeconds % 10)) {
addBalls(x + 96 * (R + 1), y, parseInt(seconds % 10));
}
lastSeconds = seconds;
}
if (minutes != lastMinutes) {
if (parseInt(minutes / 10) != parseInt(lastMinutes / 10)) {
addBalls(x + 38 * (R + 1), y, parseInt(minutes / 10));
}
if (parseInt(minutes % 10) != parseInt(lastMinutes % 10)) {
addBalls(x + 55 * (R + 1), y, parseInt(minutes % 10));
}
lastMinutes = minutes;
}
if (hours != lastHours) {
if (parseInt(hours / 10) != parseInt(lastHours / 10)) {
addBalls(x, y, parseInt(hours / 10));
}
if (parseInt(hours % 10) != parseInt(lastHours % 10)) {
addBalls(x + 15 * (R + 1), y, parseInt(hours % 10));
}
lastHours = hours;
}
updateBall();
clearBall();
}
function update(hours,minutes,seconds){
ctx.clearRect(0,0,can.width,can.height);
drawArc(x,y,parseInt(hours/10),ctx);
drawArc(x+15*(R+1),y,hours%10,ctx);
drawArc(x+29*(R+1),y,10,ctx);
drawArc(x+38*(R+1),y,parseInt(minutes/10),ctx);
drawArc(x+55*(R+1),y,minutes%10,ctx);
drawArc(x+70*(R+1),y,10,ctx);
drawArc(x+79*(R+1),y,parseInt(seconds/10),ctx);
drawArc(x+96*(R+1),y,seconds%10,ctx);
for(var i= 0;i<balls.length;i++) {
ctx.beginPath();
ctx.arc(balls[i].x, balls[i].y, R, 0, 2 * Math.PI, true);
ctx.fillStyle = balls[i].color;
ctx.closePath();
ctx.fill();
}
}
function drawArc(sx,sy,num,ctx){
for(var i=0;i<digit[num].length;i++){
for(j=0;j<digit[num][i].length;j++) {
if (digit[num][i][j] == 1) {
var centerX = sx + j * 2 * (R + 1) + (R + 1);
var centerY = sy + i * 2 * (R + 1) + (R + 1);
ctx.beginPath();
ctx.arc(centerX, centerY, R, 0, 2 * Math.PI, true);
ctx.fillStyle = "#445588";
ctx.closePath();
ctx.fill();
}
}
}
}
function addBalls(sx,sy,num){
for(var i=0;i<digit[num].length;i++){
for(j=0;j<digit[num][i].length;j++) {
if (digit[num][i][j] == 1) {
var centerX = sx + j * 2 * (R + 1) + (R + 1);
var centerY = sy + i * 2 * (R + 1) + (R + 1);
var ball = {
x: centerX,
y: centerY,
g: 3.5 + Math.random(),
vx: Math.pow(-1, Math.ceil(Math.random() * 1000)) * 4,
vy: -5,
color: colors[Math.floor(Math.random() * colors.length)]
};
balls.push(ball);
}
}
}
}
function updateBall(){
for(var i= 0;i<balls.length;i++) {
balls[i].x+=balls[i].vx;
balls[i].y+=balls[i].vy;
balls[i].vy+=balls[i].g;
if(balls[i].y>=can.height-R) {
balls[i].y = can.height - R;
balls[i].vy = -balls[i].vy * 0.75;
}
}
}
function clearBall() {
var cnt = 0;
for (var i = 0; i < balls.length; i++) {
if (balls[i].x + R > 0 && balls[i].x - R < can.width) {
balls[cnt++] = balls[i];
}
}
while (balls.length > cnt) {
balls.pop();
}
}
</script>
</body>
</html>
