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var WIDTH = 650;
var HEIGHT = 650;
var CIRCLE_SIZE = 20;
var SECOND_CIRCLE = 200;
var MINUTE_CIRCLE = 300;
var HOUR_CIRCLE = 400;
var DAY_CIRCLE = 600;
var FIREWORK_RADIUS = 10;
var fireworks = [];
var state = 0;
var startingYear;
var startingDy = -1;
function setup()
{
createCanvas(650, 650);
ellipseMode(CENTER);
$("#title").html("Countdown to " + (year() + 1));
document.title = "Countdown to " + (year() + 1);
startingYear = year();
}
function leapYear()
{
return year() % 4 == 0 && (!(year() % 100 == 0) || year() % 400 == 0) ? 1 : 0;
}
function day365()
{
var m = month()-1;
var d = day()-1;
var currday = 0;
if (m == 0)
return d;
currday += 31;
if (m == 1)
return d+currday;
currday += 28 + leapYear();
if (m == 2)
return d+currday;
currday += 31;
if (m == 3)
return d+currday;
currday += 30;
if (m == 4)
return d+currday;
currday += 31;
if (m == 5)
return d+currday;
currday += 30;
if (m == 6)
return d+currday;
currday += 31;
if (m == 7)
return d+currday;
currday += 31;
if (m == 8)
return d+currday;
currday += 30;
if (m == 9)
return d+currday;
currday += 31;
if (m == 10)
return d+currday;
currday += 30;
if (m == 11)
return d+currday;
return -1;
}
function sigmoid(x)
{
return 1/(1+Math.exp(-x))
}
function Firework(x, y)
{
this.x = x;
this.y = y;
this.r = Math.random()*255;
this.g = Math.random()*255;
this.b = Math.random()*255;
this.vel = [Math.random()*10-5, Math.random()*10-5];
this.t = 0;
this.index = fireworks.length;
fireworks.push(this);
}
Firework.prototype.draw = function()
{
noStroke();
fill(this.r,this.g,this.b,2*255-2*255*sigmoid(this.t/2));
//ellipse(this.x, this.y, FIREWORK_RADIUS, FIREWORK_RADIUS);
text((startingYear+1) + "!", this.x, this.y)
this.t += 0.1;
this.x += this.vel[0];
this.y += this.vel[1];
if (this.x > width-FIREWORK_RADIUS || this.x < -FIREWORK_RADIUS || this.y > height-FIREWORK_RADIUS || this.y < -FIREWORK_RADIUS)
fireworks[this.index] = null;
}
function numDigits(x)
{
return x.toString().length;
}
function draw()
{
background(255, 255, 255);
if (state == 1)
{
//Happy new year!
fill(0);
textSize(60);
textAlign(LEFT, BASELINE);
text("HAPPY NEW YEAR!", 25, 250);
new Firework(300, 300);
for (var i = 0; i < fireworks.length; i++)
{
var firework = fireworks[i];
if (firework != null)
firework.draw();
}
return;
}
var date = new Date();
var ms = date.getTime() % 1000;
var s = second();
var h = hour();
var m = minute();
var secs = s + ms/1000;
var mins = m + secs / 60;
var hrs = h + mins / 60;
var dy = day365() + hrs / 24;
if (startingDy == -1)
startingDy = dy;
if (dy < startingDy)
{
state = 1;
}
var percent_ny = dy/(365+leapYear());
var hours = TWO_PI * (hrs / 24) - HALF_PI;
var minutes = TWO_PI * (mins / 60) - HALF_PI;
var seconds = TWO_PI * (secs / 60) - HALF_PI;
var date = TWO_PI * percent_ny - HALF_PI;
var seconds_until_ny = Math.floor(86400*(365+leapYear()-dy));
if (seconds_until_ny == 0)
{
state = 1;
}
noFill();
stroke(secs*4, 0, 0);
ellipse(WIDTH / 2, HEIGHT / 2, SECOND_CIRCLE, SECOND_CIRCLE);
stroke(0, mins*4, 0);
ellipse(WIDTH / 2, HEIGHT / 2, MINUTE_CIRCLE, MINUTE_CIRCLE);
stroke(0, 0, hrs*4);
ellipse(WIDTH / 2, HEIGHT / 2, HOUR_CIRCLE, HOUR_CIRCLE);
stroke(0, 0, 0);
ellipse(WIDTH / 2, HEIGHT / 2, DAY_CIRCLE, DAY_CIRCLE);
noStroke();
var dayX = (cos(date) * DAY_CIRCLE / 2) + WIDTH / 2;
var dayY = (sin(date) * DAY_CIRCLE / 2) + HEIGHT / 2;
var hourX = (cos(hours) * HOUR_CIRCLE / 2) + WIDTH / 2;
var hourY = (sin(hours) * HOUR_CIRCLE / 2) + HEIGHT / 2;
var minuteX = (cos(minutes) * MINUTE_CIRCLE / 2) + WIDTH / 2;
var minuteY = (sin(minutes) * MINUTE_CIRCLE / 2) + HEIGHT / 2;
var secondX = (cos(seconds) * SECOND_CIRCLE / 2) + WIDTH / 2;
var secondY = (sin(seconds) * SECOND_CIRCLE / 2) + HEIGHT / 2;
fill(secs*4, 0, 0);
ellipse(secondX, secondY, CIRCLE_SIZE, CIRCLE_SIZE);
fill(0, mins*4, 0);
ellipse(minuteX, minuteY, CIRCLE_SIZE, CIRCLE_SIZE);
fill(0, 0, hrs*4);
ellipse(hourX, hourY, CIRCLE_SIZE, CIRCLE_SIZE);
fill(0, 0, 0);
ellipse(dayX, dayY, CIRCLE_SIZE, CIRCLE_SIZE);
textSize(56/(numDigits(seconds_until_ny)/5.0));
textAlign(CENTER, CENTER);
text(seconds_until_ny, width/2, height/2);
}
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