Range Slider with Bicycle Rider
Written by 11 May 2020
A range input option is sometimes needed in HTML forms. You can make it more attractive by adding some effects to it. The following code put a bicycle rider on the range and makes it more attractive!
Code Snippet:
<!-- this script is provided by https://www.javascriptfreecode.com coded by: Kerixa Inc. -->
<link rel='stylesheet' href='https://fonts.googleapis.com/css?family=B612+Mono&display=swap&text=0123456789'>
<style>
* {
border: 0;
box-sizing: border-box;
margin: 0;
padding: 0;
}
:root {
font-size: calc(32px + (48 - 32)*(100vw - 320px)/(2560 - 320));
--bg: #f1f1f1;
--fg: #171717;
}
body, input {
color: var(--fg);
font: 1em/1.5 "B612 Mono", monospace;
}
body {
background: var(--bg);
display: flex;
height: 100vh;
overflow-x: hidden;
}
form {
margin: auto;
width: 8.5em;
}
.unicycle,
.unicycle__wheel,
.unicycle__rider-body,
.unicycle__pedal-arms {
position: relative;
}
.unicycle {
margin-top: 4.25em;
}
.unicycle__wheel {
background: transparent;
border-radius: 0.75em;
box-shadow: 0 0 0 0.1em inset;
display: block;
outline: transparent;
width: 100%;
height: 1.5em;
-webkit-appearance: none;
appearance: none;
}
.unicycle__wheel::-webkit-slider-thumb {
background: transparent;
border: 0;
border-radius: 50%;
box-shadow: 0 0 0 0.1em inset;
cursor: pointer;
width: 1.5em;
height: 1.5em;
-webkit-appearance: none;
appearance: none;
}
.unicycle__wheel::-moz-range-thumb {
background: transparent;
border: 0;
border-radius: 50%;
box-shadow: 0 0 0 0.1em inset;
cursor: pointer;
width: 1.5em;
height: 1.5em;
}
.unicycle__marker,
.unicycle__right-arm,
.unicycle__right-lower-arm,
.unicycle__left-arm,
.unicycle__left-lower-arm,
.unicycle__right-leg,
.unicycle__right-lower-leg,
.unicycle__left-leg,
.unicycle__left-lower-leg,
.unicycle__flag-pole,
.unicycle__flag,
.unicycle__pedal {
position: absolute;
}
.unicycle__marker {
/* JS will control the variables */
--pedalRot: 0deg;
--rightLegRot: 0deg;
--rightLowerLegRot: 0deg;
--leftLegRot: 0deg;
--leftLowerLegRot: 0deg;
top: -2.5em;
left: 0;
width: 1.5em;
height: 4em;
z-index: -1;
}
.unicycle__marker > div {
margin: auto;
}
.unicycle__marker .unicycle__rider-body {
height: 1em;
margin-bottom: 0.1em;
}
.unicycle__rider-head, .unicycle__flag {
box-shadow: 0 0 0 0.1em inset;
}
.unicycle__rider-head {
border-radius: 50%;
width: 1em;
height: 1em;
}
.unicycle__rider-head ~ div,
.unicycle__right-arm,
.unicycle__right-lower-arm,
.unicycle__left-arm,
.unicycle__left-lower-arm,
.unicycle__right-leg,
.unicycle__right-lower-leg,
.unicycle__left-leg,
.unicycle__left-lower-leg,
.unicycle__flag-pole,
.unicycle__pedal {
background: currentColor;
}
.unicycle__rider-body,
.unicycle__right-arm,
.unicycle__right-lower-arm,
.unicycle__left-arm,
.unicycle__left-lower-arm,
.unicycle__right-leg,
.unicycle__right-lower-leg,
.unicycle__left-leg,
.unicycle__left-lower-leg,
.unicycle__flag-pole,
.unicycle__bar {
width: 0.1em;
}
.unicycle__right-lower-arm,
.unicycle__left-lower-arm,
.unicycle__right-leg,
.unicycle__right-lower-leg,
.unicycle__left-leg,
.unicycle__left-lower-leg,
.unicycle__seat,
.unicycle__pedal-arms,
.unicycle__pedal {
border-radius: 0.05em;
}
.unicycle__right-arm,
.unicycle__right-lower-arm,
.unicycle__left-arm,
.unicycle__left-lower-arm,
.unicycle__right-leg,
.unicycle__right-lower-leg,
.unicycle__left-leg,
.unicycle__left-lower-leg {
transform-origin: 50% 0.05em;
}
.unicycle__right-lower-arm,
.unicycle__left-lower-arm,
.unicycle__right-leg,
.unicycle__left-leg,
.unicycle__right-lower-leg,
.unicycle__left-lower-leg {
top: calc(100% - 0.05em);
}
.unicycle__right-arm,
.unicycle__right-lower-arm,
.unicycle__left-arm,
.unicycle__left-lower-arm,
.unicycle__right-leg,
.unicycle__left-leg {
height: 0.75em;
}
.unicycle__right-lower-leg,
.unicycle__left-lower-leg {
height: 0.78em;
}
.unicycle__right-arm {
transform: rotate(-80deg);
}
.unicycle__right-lower-arm {
transform: rotate(-10deg);
}
.unicycle__left-arm {
transform: rotate(25deg);
}
.unicycle__left-lower-arm {
transform: rotate(5deg);
}
.unicycle__right-leg {
transform: rotate(var(--rightLegRot));
}
.unicycle__right-lower-leg {
transform: rotate(var(--rightLowerLegRot));
}
.unicycle__left-leg {
transform: rotate(var(--leftLegRot));
}
.unicycle__left-lower-leg {
transform: rotate(var(--leftLowerLegRot));
}
.unicycle__flag-pole {
height: 3em;
bottom: 0;
transform: rotate(90deg);
transform-origin: 50% calc(100% - 0.1em);
}
.unicycle__flag {
right: 0;
text-align: center;
width: 2.25em;
height: 1.5em;
}
.unicycle__seat,
.unicycle__pedal-arms {
height: 0.1em;
}
.unicycle__seat {
display: flex;
justify-content: center;
align-items: flex-end;
width: 0.4em;
}
.unicycle__bar {
border-radius: 0 0 0.05em 0.05em;
height: 1.1em;
}
.unicycle__pedal-arms {
top: -0.1em;
width: 0.5em;
transform: rotate(var(--pedalRot));
}
.unicycle__pedal {
top: 0;
width: 0.3em;
height: 0.1em;
transform: rotate(calc(var(--pedalRot) * -1));
}
.unicycle__pedal:first-child {
left: -0.15em;
}
.unicycle__pedal:last-child {
right: -0.15em;
}
@media (prefers-color-scheme: dark) {
:root {
--bg: #171717;
--fg: #f1f1f1;
}
}
</style>
<form>
<div id="unicycle1" class="unicycle">
<input type="range" class="unicycle__wheel" name="unicycle" min="0" max="100" value="0">
<div class="unicycle__marker">
<div class="unicycle__rider-head"></div>
<div class="unicycle__rider-body">
<div class="unicycle__left-arm">
<div class="unicycle__left-lower-arm"></div>
</div>
<div class="unicycle__right-arm">
<div class="unicycle__right-lower-arm">
<div class="unicycle__flag-pole">
<div class="unicycle__flag">0</div>
</div>
</div>
</div>
<div class="unicycle__left-leg">
<div class="unicycle__left-lower-leg"></div>
</div>
<div class="unicycle__right-leg">
<div class="unicycle__right-lower-leg"></div>
</div>
</div>
<div class="unicycle__seat"></div>
<div class="unicycle__bar"></div>
<div class="unicycle__pedal-arms">
<div class="unicycle__pedal"></div>
<div class="unicycle__pedal"></div>
</div>
</div>
</div>
</form>
<script>
document.addEventListener("DOMContentLoaded", () => {
let unicycle = new UnicycleRangeSlider("#unicycle1");
});
class UnicycleRangeSlider {
constructor(el) {
this.wheel = document.querySelector(`${el} input[type=range]`);
this.marker = document.querySelector(`${el} .unicycle__marker`);
this.flag = document.querySelector(`${el} .unicycle__flag`);
this.updateBodyPos();
this.wheel.addEventListener("input", () => {this.updateBodyPos();});
}
updateBodyPos() {
let max = this.wheel.max,
min = this.wheel.min,
realValue = this.wheel.value,
ticks = max - min,
relValue = realValue - min,
percent = relValue / ticks,
revs = 1,
left = percent * 100,
emAdjust = percent * 1.5,
pedalRot = percent * (360 * revs),
period = 1 / (ticks / revs / 2) * relValue * Math.PI,
rightLegRot = -22.5 * Math.sin(period + 1.85 * Math.PI) - 22.5,
rightLowerLegRot = 45 * Math.sin(period + 0 * Math.PI) + 45,
leftLegRot = -22.5 * Math.sin(period + 2.85 * Math.PI) - 22.5,
leftLowerLegRot = 45 * Math.sin(period + 1 * Math.PI) + 45,
cssVars = {
"--pedalRot": `${pedalRot}deg`,
"--rightLegRot": `${rightLegRot}deg`,
"--rightLowerLegRot": `${rightLowerLegRot}deg`,
"--leftLegRot": `${leftLegRot}deg`,
"--leftLowerLegRot": `${leftLowerLegRot}deg` };
// position stick figure and unicycle body
this.marker.style.left = `calc(${left}% - ${emAdjust}em)`;
// update the variables in CSS
for (let v in cssVars)
this.marker.style.setProperty(v, cssVars[v]);
// number in the flag
this.flag.innerHTML = realValue;
}}
</script><a target='_blank' href='https://www.javascriptfreecode.com' style='font-size: 8pt; text-decoration: none'>JavaScript Best Codes</a>
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