創意氣球滑塊

下載代碼

html

css

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html

css

#slider {
  --active: #5628EE;
  --balloon: var(--active);
  --value: #fff;
  --line: #CDD9ED;
  touch-action: none;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  width: 320px;
  height: 2px;
  border-radius: 1px;
  background: var(--line);
  position: relative;
}
#slider .noUi-connects .noUi-connect {
  background: var(--active);
}
#slider .noUi-handle:before, #slider .noUi-handle:after {
  border-radius: 20px;
  -webkit-transform: scale(var(--s));
          transform: scale(var(--s));
  transition: border-radius .3s ease, -webkit-transform .3s ease;
  transition: transform .3s ease, border-radius .3s ease;
  transition: transform .3s ease, border-radius .3s ease, -webkit-transform .3s ease;
}
#slider .noUi-handle:before {
  --s: .5;
  background: var(--active);
}
#slider .noUi-handle:after {
  --s: .2;
  background: #fff;
}
#slider .noUi-handle.noUi-active:before {
  --s: 1;
}
#slider .noUi-handle.noUi-active:after {
  --s: 1;
}
#slider .balloon {
  --o: 0;
  --s: 0;
  --y: 0;
  --r: 0deg;
  width: 52px;
  height: 68px;
  pointer-events: none;
  position: absolute;
  z-index: 5;
  left: -26px;
  bottom: 0;
  -webkit-transform-origin: 50% 100%;
          transform-origin: 50% 100%;
}
#slider .balloon > div {
  width: 52px;
  height: 68px;
  -webkit-transform-origin: 50% 100%;
          transform-origin: 50% 100%;
  opacity: var(--o);
  -webkit-transform: scale(var(--s)) translate(0, var(--y)) rotate(var(--r));
          transform: scale(var(--s)) translate(0, var(--y)) rotate(var(--r));
  transition: opacity .4s ease, -webkit-transform .4s ease;
  transition: transform .4s ease, opacity .4s ease;
  transition: transform .4s ease, opacity .4s ease, -webkit-transform .4s ease;
}
#slider .balloon > div:before, #slider .balloon > div:after {
  content: '';
  display: block;
}
#slider .balloon > div:before {
  width: 52px;
  height: 52px;
  border-radius: 60%;
  border-bottom-left-radius: 480%;
  border-bottom-right-radius: 480%;
  border-top-left-radius: 480%;
  -webkit-transform: rotate(135deg);
          transform: rotate(135deg);
  background: var(--balloon);
}
#slider .balloon > div:after {
  content: attr(data-value);
  font-family: 'Roboto', Arial;
  font-size: 14px;
  font-weight: 500;
  color: var(--value);
  position: absolute;
  left: 0;
  right: 0;
  top: 16px;
  line-height: 24px;
  text-align: center;
}
#slider .balloon > div svg {
  display: block;
  width: 8px;
  height: 6px;
  fill: var(--balloon);
  position: absolute;
  left: 22px;
  bottom: 0;
}
#slider .balloon.active {
  --o: 1;
  --s: 1;
  --y: -36px;
}
#slider * {
  touch-action: none;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  -webkit-tap-highlight-color: transparent;
}
#slider.noUi-state-tap .noUi-connect, #slider.noUi-state-tap .noUi-origin {
  transition: -webkit-transform .3s;
  transition: transform .3s;
  transition: transform .3s, -webkit-transform .3s;
}
#slider .noUi-target {
  position: relative;
}
#slider .noUi-base,
#slider .noUi-connects {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
}
#slider .noUi-origin,
#slider .noUi-connect {
  position: absolute;
  will-change: transform;
  -webkit-transform-origin: 0 0;
          transform-origin: 0 0;
  top: 0;
  left: 0;
  z-index: 1;
}
#slider .noUi-connects {
  overflow: hidden;
  z-index: 0;
  border-radius: 1px;
}
#slider .noUi-connects .noUi-connect {
  width: 100%;
  height: 100%;
}
#slider .noUi-handle {
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  position: absolute;
  outline: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  left: 12px;
  top: -19px;
}
#slider .noUi-handle:before, #slider .noUi-handle:after {
  content: '';
  position: absolute;
}
#slider .noUi-handle:before {
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
}
#slider .noUi-handle:after {
  left: 2px;
  top: 2px;
  width: 36px;
  height: 36px;
}
#slider .noUi-origin {
  left: auto;
  right: 0;
  height: 0;
  width: 10%;
}

html {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: inherit;
}
*:before, *:after {
  box-sizing: inherit;
}

body {
  min-height: 100vh;
  display: flex;
  font-family: 'Roboto', Arial;
  justify-content: center;
  align-items: center;
  background: #F5F9FF;
}

JavaScript

let slider = document.getElementById('slider'),
    balloon,
    balloonTransform,
    balloonReset;

noUiSlider.create(slider, {
    start: 60,
    connect: 'lower',
    range: {
        min: 0,
        max: 100
    }
});

if(!balloon) {

let svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
    svg.setAttribute('viewBox', '0 0 8 6');
    let path = document.createElementNS('http://www.w3.org/2000/svg', 'path');
    path.setAttribute('d','M3.19770784,0.400189793 L0.183732919,4.48916968 C-0.132777702,4.91857125 -0.0301446804,5.51531196 0.41297019,5.82202737 C0.58019429,5.93777661 0.780561067,6 0.986063367,6 L7.01401322,6 C7.55855868,6 8,5.57222019 8,5.04452705 C8,4.84538453 7.93578945,4.65121861 7.81634366,4.48916968 L4.80236874,0.400189793 C4.48585812,-0.0292117777 3.87005999,-0.128668564 3.42694512,0.178046844 C3.33840792,0.239330552 3.2609487,0.314392601 3.19770784,0.400189793 Z');
    svg.appendChild(path);

let inner = document.createElement('div');

inner.appendChild(svg);

balloon = document.createElement('div');
    balloon.classList.add('balloon');
    balloon.appendChild(inner);

slider.getElementsByClassName('noUi-base')[0].appendChild(balloon);

balloonTransform = new Proxy({
        r: 0
    }, {
        set(target, key, value) {
            target[key] = value;
            balloon.style.setProperty('--r', target.r + 'deg');
            return true;
        },
        get(target, key) {
            return target[key];
        }
    });

}

var timestamp = null,
    lastX = null,
    startedMoving = false,
    moved = false;

slider.noUiSlider.on('start', function() {
    let percent = this.get() / this.options.range.max * 100;
    balloon.classList.add('active');
    balloon.childNodes[0].dataset.value = Math.round(this.get());
    TweenMax.to(balloon, 0, {
        x: this.target.offsetWidth * percent / 100,
        scale: .75 + .25 * percent / 100
    });
    balloonReset = setInterval(() => {
        if(!moved && startedMoving) {
            TweenMax.to(slider.getElementsByClassName('noUi-handle')[0], .3, {
                css: {
                    scale: 1
                }
            });
            balloonTransform.r = 0;
            startedMoving = false;
        }
        moved = false;
    }, 20);
});

slider.noUiSlider.on('slide', function() {
    let percent = this.get() / this.options.range.max * 100;
    balloon.childNodes[0].dataset.value = Math.round(this.get());
    if(timestamp === null) {
        timestamp = Date.now();
        lastX = this.get();
        return;
    }
    var now = Date.now(),
        speedX = Math.round((this.get() - lastX) / (now - timestamp) * 160),
        speedX = speedX > 10 ? 10 : speedX < -10 ? -10 : speedX;

balloonTransform.r = speedX * -2;

startedMoving = true;
    moved = true;

TweenMax.to(balloon, 1.4, {
        x: this.target.offsetWidth * percent / 100,
        scale: .75 + .25 * percent / 100,
        ease: Elastic.easeOut.config(1, .6)
    });

TweenMax.to(slider.getElementsByClassName('noUi-handle')[0], .3, {
        css: {
            scale: .9
        }
    });

timestamp = now;
    lastX = this.get();
});

slider.noUiSlider.on('end', function() {
    balloon.classList.remove('active');
    clearInterval(balloonReset);
});

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