Created
October 22, 2018 18:38
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Wheel of fortune - stolen from https://codepen.io/jkantner/pen/ReJPOV
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| window.addEventListener("DOMContentLoaded",wof); | |
| function wof() { | |
| var arrow = document.querySelector(".arrow"), | |
| arrowAngle = 0, | |
| wheelAngle = 0, | |
| snapAngle = 360/24/3, | |
| getAngle = function(ele) { | |
| let el = document.querySelector(ele), | |
| elTr = el.style.transform, | |
| // break down matrix value of transform and get angle | |
| matrixVal = elTr.split('(')[1].split(')')[0].split(','), | |
| cos1 = matrixVal[0], | |
| sin = matrixVal[1], | |
| angle = Math.round(Math.atan2(sin, cos1) * (180 / Math.PI)); | |
| // convert negative angles to positive, correct -0 issue | |
| if (angle < 0) { | |
| angle += 360; | |
| if (angle == "-0") { | |
| angle = 0; | |
| } | |
| } | |
| return angle; | |
| }, | |
| updateArrowAngle = function() { | |
| let newWheelAngle = getAngle(".wheel"); | |
| if (newWheelAngle > wheelAngle) { | |
| // right | |
| arrowAngle = snapAngle - (newWheelAngle % snapAngle) * 16; | |
| } else if (newWheelAngle < wheelAngle) { | |
| // left | |
| arrowAngle = snapAngle - (newWheelAngle % snapAngle) * 16 + 64; | |
| } | |
| arrow.style.transform = "rotate(" + arrowAngle + "deg)"; | |
| wheelAngle = newWheelAngle; | |
| }; | |
| Draggable.create(".wheel", { | |
| type: "rotation", | |
| throwProps: true, | |
| dragResistance: 0, | |
| minDuration: 3, | |
| snap: function(endValue) { | |
| return Math.round(endValue / snapAngle) * snapAngle; | |
| }, | |
| onDrag: updateArrowAngle, | |
| onThrowComplete: function() { | |
| arrowAngle = 0; | |
| updateArrowAngle(); | |
| }, | |
| onThrowUpdate: updateArrowAngle | |
| }); | |
| } |
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| *, *:before, *:after { | |
| border: 0; | |
| box-sizing: border-box; | |
| margin: 0; | |
| padding: 0; | |
| } | |
| :root { | |
| font-size: 10px; | |
| } | |
| body { | |
| background: rgb(0,128,192); | |
| font: 1em Georgia; | |
| font-weight: bold; | |
| line-height: 1.5; | |
| overflow-x: hidden; | |
| } | |
| main, .arrow, .wheel { | |
| margin: auto; | |
| } | |
| main { | |
| display: block; | |
| margin-top: 3em; | |
| width: 48em; | |
| } | |
| .arrow, .wheel { | |
| position: relative; | |
| } | |
| .arrow { | |
| background: rgb(255,255,255); | |
| border-radius: 50% 50% 50% 50% / 25% 25% 75% 75%; | |
| width: 1em; | |
| height: 3em; | |
| transition: transform 0.1s linear; | |
| transform-origin: 0.5em 0.5em; | |
| z-index: 1; | |
| } | |
| .wheel { | |
| $st: 100%/24; | |
| background: | |
| radial-gradient(rgba(200,171,55,0) 22.9rem,rgb(200,171,55) 23rem), | |
| radial-gradient(rgb(55,200,55) 7.9rem,rgba(55,200,55,0) 8rem), | |
| conic-gradient( | |
| rgba(32,255,0,0) $st*0.5, | |
| rgb(32,255,0) 0 $st*1.5, | |
| rgb(252,255,3) 0 $st*2.5, | |
| rgb(255,0,0) 0 $st*3.5, | |
| rgb(53,192,255) 0 $st*4.5, | |
| rgb(251,192,0) 0 $st*5.5, | |
| rgb(192,128,255) 0 $st*6.5, | |
| rgb(252,255,3) 0 $st*7.5, | |
| rgb(253,127,224) 0 $st*8.5, | |
| rgb(250,32,0) 0 $st*9.5, | |
| rgb(53,192,255) 0 $st*10.5, | |
| rgb(32,255,0) 0 $st*11.5, | |
| rgb(253,127,224) 0 $st*12.5, | |
| rgb(0,0,0) 0 $st*13.5, | |
| rgb(192,128,255) 0 $st*14.5, | |
| rgb(252,255,3) 0 $st*15.5, | |
| rgb(53,192,255) 0 $st*16.5, | |
| rgb(255,255,255) 0 $st*17.5, | |
| rgb(250,32,0) 0 $st*18.5, | |
| rgb(192,128,255) 0 $st*19.5, | |
| rgb(253,127,224) 0 $st*20.5, | |
| rgb(34,255,0) 0 $st*21.5, | |
| rgb(251,192,0) 0 $st*22.5, | |
| rgb(192,128,255) 0 $st*23.5, | |
| rgba(192,128,255,0) 0 $st*24 | |
| ), | |
| repeating-linear-gradient(53deg,rgb(224,224,224),rgb(224,224,224) 0.1em,rgb(208,208,208) 0.1em,rgb(208,208,208) 0.2em); | |
| border-radius: 50%; | |
| box-shadow: 0 0 0.5em 0.25em rgba(0,0,0,0.4); | |
| font-size: 3.75em; | |
| margin-top: -1.5rem; | |
| position: relative; | |
| width: 48rem; | |
| height: 48rem; | |
| } | |
| .sector { | |
| display: flex; | |
| position: absolute; | |
| top: 0; | |
| left: 50%; | |
| line-height: 0.8; | |
| text-align: center; | |
| text-transform: uppercase; | |
| width: 7rem; | |
| height: 24rem; | |
| transform-origin: 50% 100%; | |
| user-select: none; | |
| -moz-user-select: none; | |
| -webkit-user-select: none; | |
| -ms-user-select: none; | |
| &:before, &:after, span { | |
| display: block; | |
| } | |
| &:before, &:after { | |
| background: rgba(255,255,255,0.5); | |
| border-radius: 50%; | |
| content: ""; | |
| position: absolute; | |
| bottom: 0; | |
| left: 50%; | |
| width: 1rem; | |
| height: 1rem; | |
| } | |
| &:before { | |
| transform: translateX(-50%) rotate(-360deg/48) translateY(24rem); | |
| } | |
| &:after { | |
| box-shadow: -2rem 0 0 rgba(255,255,255,0.5); | |
| transform: translateX(-50%) rotate(-360deg/144) translateY(24rem) rotate(2.5deg); | |
| } | |
| > span { | |
| margin: auto; | |
| transform: translateY(-4rem); | |
| width: 3.5rem; | |
| } | |
| @for $s from 1 through 24 { | |
| &:nth-of-type(#{$s}) { | |
| @if $s == 14 { | |
| perspective: 6rem; | |
| > span { | |
| color: rgb(255,255,255); | |
| transform: translateY(-2rem) scaleY(0.5) rotateX(-6deg); | |
| width: 5rem; | |
| } | |
| } | |
| @elseif $s == 18 { | |
| perspective: 8rem; | |
| > span { | |
| transform: translateY(-2rem) scale(0.8,0.6) rotateX(-20deg); | |
| width: 5rem; | |
| > span { | |
| font-size: 1.4rem; | |
| line-height: 1; | |
| } | |
| } | |
| } | |
| transform: translateX(-50%) rotate(360deg/24 * ($s - 1)); | |
| } | |
| } | |
| } |
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| <main> | |
| <div class="arrow"></div> | |
| <div class="wheel"> | |
| <div class="sector"><span><small>$</small><br>5<br>0<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>6<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>5<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>3<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>5<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>8<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>5<br>5<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>4<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>3<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>9<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>5<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>3<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>9<br>0<br>0</span></div> | |
| <div class="sector"><span>B<br>a<br>n<br>k<br>r<br>u<br>p<br>t</span></div> | |
| <div class="sector"><span><small>$</small><br>6<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>4<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>3<br>0<br>0</span></div> | |
| <div class="sector"><span><span>Lose a</span> t<br>u<br>r<br>n</span></div> | |
| <div class="sector"><span><small>$</small><br>8<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>3<br>5<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>4<br>5<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>7<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>3<br>0<br>0</span></div> | |
| <div class="sector"><span><small>$</small><br>6<br>0<br>0</span></div> | |
| </div> | |
| </main> |
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