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Diffstat (limited to 'js/newyear.js')
| -rw-r--r-- | js/newyear.js | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/js/newyear.js b/js/newyear.js new file mode 100644 index 0000000..4121e3f --- /dev/null +++ b/js/newyear.js @@ -0,0 +1,185 @@ +var WIDTH = 600; +var HEIGHT = 600; +var CIRCLE_SIZE = 20; +var SECOND_CIRCLE = 100; +var MINUTE_CIRCLE = 200; +var HOUR_CIRCLE = 300; +var DAY_CIRCLE = 500; +var FIREWORK_RADIUS = 10; + +var fireworks = []; +var state = 0; +var startingYear; +var startingDy = -1; + +function setup() +{ + createCanvas(700, 700); + 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 draw() +{ + background(255, 255, 255); + + if (state == 1) + { + //Happy new year! + fill(0); + textSize(60); + 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(30); + text("Seconds until " + (year()+1) + ": " + seconds_until_ny, 5, 600); +}
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