A Pen by Jerry Reptak on CodePen.
Created
July 15, 2014 17:30
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A Pen by Jerry Reptak.
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| <div id="bg"></div> | |
| <div id="info" class="abs-cent"> | |
| <span id="time"></span> | |
| <span id="hsl"></span> | |
| </div |
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| var hue, sat, light, | |
| hour, min, sec, | |
| bgEl = document.getElementById('bg'), | |
| timeEl = document.getElementById('time'), | |
| hslEl = document.getElementById('hsl'); | |
| function updateTime(hour, min, sec) { | |
| timeEl.innerHTML = "" + hour + ":" + min + ":" | |
| + (sec < 10 ? "0"+sec : sec); | |
| } | |
| function updateHSL(h, s, l) { | |
| hslEl.innerHTML = "" + h + " " + s + "% " + l + "%"; | |
| } | |
| function setHSL(h, s, l) { | |
| bgEl.style.backgroundColor = "hsl(" + h + "," + s + "%," + l + "%)"; | |
| updateHSL(h,s,l); | |
| } | |
| function getHue(second) { | |
| } | |
| function getSat(minute) { | |
| } | |
| function getLight(hour) { | |
| // Light should be based on light outside | |
| // Can use API for this later | |
| var sunrise = 6, | |
| sunset = 21; | |
| if (hour <= 6 || hour >= 21) { | |
| return 0; | |
| } | |
| var len = sunset - sunrise, | |
| peak = sunrise + (len/2); | |
| return Math.abs(peak - hour) / (len/2); | |
| window.setInterval(function() { | |
| var date = new Date(); | |
| hour = date.getHours(); | |
| min = date.getMinutes(); | |
| sec = date.getSeconds(); | |
| hue = getHue(sec); | |
| sat = getSat(min); | |
| light = getLight(hour); | |
| setHSL(hue, sat, light); | |
| updateTime(hour, min, sec); | |
| }, 1000); |
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| html, body { | |
| width: 100%; | |
| height: 100%; | |
| margin: 0px; | |
| } | |
| #bg { | |
| width: 100%; | |
| height: 100%; | |
| background-color: hsl(330, 40%, 40%); | |
| } | |
| .abs-cent { | |
| margin: auto; | |
| position: absolute; | |
| top: 0; left: 0; bottom: 0; right: 0; | |
| } | |
| #info { | |
| width: 400px; | |
| height: 300px; | |
| } | |
| #info span { | |
| display: block; | |
| font-size: 32px; | |
| } | |
| #time { | |
| } | |
| #hsl { | |
| } |
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