<!-- put all in a wrapper:--> <div class="wrap" role="group" aria-label="slider with ruler" style="--min: 0; --val: 18; --max: 36"> <!-- slider:--> <input id="r" type="range" list="l" max="36"/> <!-- value display:--> <output for="r"></output> <!-- ruler:--> <datalist id="l"> <option value="0" style="--idx: 0" label="0"></option> <option value="1" style="--idx: 1"></option> <option value="2" style="--idx: 2"></option> <option value="3" style="--idx: 3"></option> <option value="4" style="--idx: 4"></option> <option value="5" style="--idx: 5"></option> <option value="6" style="--idx: 6" label="6"></option> <option value="7" style="--idx: 7"></option> <option value="8" style="--idx: 8"></option> <option value="9" style="--idx: 9"></option> <option value="10" style="--idx: 10"></option> <option value="11" style="--idx: 11"></option> <option value="12" style="--idx: 12" label="12"></option> <option value="13" style="--idx: 13"></option> <option value="14" style="--idx: 14"></option> <option value="15" style="--idx: 15"></option> <option value="16" style="--idx: 16"></option> <option value="17" style="--idx: 17"></option> <option value="18" style="--idx: 18" label="18"></option> <option value="19" style="--idx: 19"></option> <option value="20" style="--idx: 20"></option> <option value="21" style="--idx: 21"></option> <option value="22" style="--idx: 22"></option> <option value="23" style="--idx: 23"></option> <option value="24" style="--idx: 24" label="24"></option> <option value="25" style="--idx: 25"></option> <option value="26" style="--idx: 26"></option> <option value="27" style="--idx: 27"></option> <option value="28" style="--idx: 28"></option> <option value="29" style="--idx: 29"></option> <option value="30" style="--idx: 30" label="30"></option> <option value="31" style="--idx: 31"></option> <option value="32" style="--idx: 32"></option> <option value="33" style="--idx: 33"></option> <option value="34" style="--idx: 34"></option> <option value="35" style="--idx: 35"></option> <option value="36" style="--idx: 36" label="36"></option> </datalist> </div> /* ===== MIXINS FOR SLIDER TRACK & THUMB ===== */ /* fix track height */ /* ===== GENERIC STYLES ===== */ html, body, div, datalist, output, section { display: grid; } html { height: 100%; } body { overflow-x: hidden; /* because range input takes up space horizontally before rotation */ background: #1f1f1f; } @supports (line-height: tan(45deg)) { body { --trig: none ; } } @supports (color: color-mix(in lch, red 1%, tan)) { body { --cmix: none ; } } /* ===== SLIDER WRAPPER WITH VISUAL TRACK & GLOW ===== */ .wrap { --rng: calc(var(--max) - var(--min)); /* range between max and min values */ --prg: calc((var(--val) - var(--min))/var(--rng)); /* decimal progress */ --prc: calc(var(--prg)*100%); /* percentage progress */ --pos: calc(var(--val)*1rem); /* position from 1st ruler line (from val = min) */ grid-gap: 1.25rem; /* space out ruler, track, thumb, output value */ grid-template-columns: -webkit-max-content 0.1875rem 1.25rem -webkit-max-content; grid-template-columns: max-content 0.1875rem 1.25rem max-content; place-self: center; /* put in the middle of body grid cell along both axes */ color: #f43e75; /*fallback */ font: 1em trebuchet ms, ubuntu, verdana, arial, sans-serif; transition: 0.35s; /* focus/ hover transition */ /* make sepia only when range input not focused */ /* making up visual track & glow */ /* ----- Glow ----- */ /* ----- Visual track ----- */ } @supports (color: color-mix(in lch, red 1%, tan)) { .wrap { /* if color-mix is supported */ color: color-mix(in lch, #f43e75 var(--prc), #daff47); } } .wrap:not(:focus-within):not(:hover) { filter: sepia(1); } .wrap::before, .wrap::after { --pos-x: calc(100% + 1.875rem); /* x position of middle rounding circle centre */ --pos-y: calc(var(--pos) + 7.4375rem); /* y position considering vertical overflow */ grid-area: 1/1/span 1/span 2; /* cover first two columns */ place-self: center end; /* attach to middle right of rightmost cell they cover */ z-index: 1; /* both on top of ruler */ width: 5.5625rem; /* make it wide enough to contain the glow */ height: calc(100% + 2*7.4375rem); /* long enough to contain the glow at min/ max */ transform: scaley(-1); /* ugh... maybe I could have flipped the gradients instead */ content: ""; } .wrap::before { --sl: transparent calc(100% + -.5px), red calc(100% + .5px); /* mask gradient stop list */ background: radial-gradient(circle 7.4375rem at var(--pos-x) var(--pos-y), currentcolor 4.0625rem, transparent); /* how mask compositing works: * https://css-tricks.com/mask-compositing-the-crash-course/ */ -webkit-mask: radial-gradient(circle 4.25rem at var(--pos-x) var(--pos-y), var(--sl)), radial-gradient(circle 4.4375rem at 0 0, var(--sl)) 100% calc(var(--pos-y) + -1*5.9686681932rem)/4.4375rem 2.9199240082rem no-repeat, radial-gradient(circle 4.4375rem at 0 100%, var(--sl)) 100% calc(var(--pos-y) + 3.048744185rem)/4.4375rem 2.9199240082rem no-repeat; -webkit-mask-composite: source-out, source-over; mask: radial-gradient(circle 4.25rem at var(--pos-x) var(--pos-y), var(--sl)) subtract, radial-gradient(circle 4.4375rem at 0 0, var(--sl)) 100% calc(var(--pos-y) + -1*5.9686681932rem)/4.4375rem 2.9199240082rem no-repeat add, radial-gradient(circle 4.4375rem at 0 100%, var(--sl)) 100% calc(var(--pos-y) + 3.048744185rem)/4.4375rem 2.9199240082rem no-repeat; } .wrap::after { --sl: /* mask gradient stop list */ transparent calc(4.25rem + -.5px), red calc(4.25rem + .5px) calc(100% + -.5px), transparent calc(100% + .5px); background: linear-gradient(currentcolor calc(var(--pos-y) + 6rem), transparent calc(var(--pos-y) + 2*6rem)) #666; -webkit-mask: linear-gradient(red calc(var(--pos-y) + -1*5.9686681932rem + .5px), transparent 0 calc(var(--pos-y) + 5.9686681932rem + -.5px), red 0) 100%/0.1875rem 100%, radial-gradient(circle 4.4375rem at var(--pos-x), var(--sl)) 100% calc(var(--pos-y) + -1*3.048744185rem + -.5px)/100% calc(2*3.048744185rem + 1px), radial-gradient(circle 4.4375rem at 0 0, var(--sl)) 100% calc(var(--pos-y) + -1*5.9686681932rem)/4.4375rem 2.9199240082rem, radial-gradient(circle 4.4375rem at 0 100%, var(--sl)) 100% calc(var(--pos-y) + 3.048744185rem)/4.4375rem 2.9199240082rem; mask: linear-gradient(red calc(var(--pos-y) + -1*5.9686681932rem + .5px), transparent 0 calc(var(--pos-y) + 5.9686681932rem + -.5px), red 0) 100%/0.1875rem 100%, radial-gradient(circle 4.4375rem at var(--pos-x), var(--sl)) 100% calc(var(--pos-y) + -1*3.048744185rem + -.5px)/100% calc(2*3.048744185rem + 1px), radial-gradient(circle 4.4375rem at 0 0, var(--sl)) 100% calc(var(--pos-y) + -1*5.9686681932rem)/4.4375rem 2.9199240082rem, radial-gradient(circle 4.4375rem at 0 100%, var(--sl)) 100% calc(var(--pos-y) + 3.048744185rem)/4.4375rem 2.9199240082rem; -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat; } /* ===== SLIDER WITH VALUE ===== */ [type=range] { --sel: 0; /* initial selection status: false (0) */ place-self: center; /* put it in middle of grid cell along both directions */ /* length based on ruler & thumb dimensions */ width: calc(var(--max)*1rem + 6rem); height: 1.25rem; transform: rotate(-90deg); /* we have no better options for vertical sliders */ background: transparent; /* get rid of default white in WebKit */ font: inherit; /* override default 13.333px, ugh */ cursor: pointer; /* make it obvious it's interactive */ /* looks ugly AND ***we've already set focus styles*** */ /* change selection status to true (1) */ /* set track & thumb styles */ /* ----- Value display ----- */ } [type=range], [type=range]::-webkit-slider-runnable-track, [type=range]::-webkit-slider-thumb { -webkit-appearance: none; } [type=range]:focus { outline: none; } [type=range]:hover, [type=range]:focus { --sel: 1 ; } [type=range]::-webkit-slider-runnable-track { height: 100%; } [type=range]::-moz-range-track { height: 100%; } [type=range]::-webkit-slider-thumb { /* only add a top margin if the m flag is non-zero */ margin-top: -2.375rem; /* we use --sel to flip between normal & hover/ focus styles * detailed explanation * https://css-tricks.com/dry-switching-with-css-variables-the-difference-of-one-declaration/ */ --shl: 0 0 0 calc((1 - .375*var(--sel))*1rem) /* slightly decrease spread in hover/ focus case */ hsla(0, 0%, 19%, var(--sel)) /* non-zero shadow alpha only in hover/ focus case */; box-sizing: border-box; border: none; /* get rid of Firefox border */ padding: 0.625rem; /* to add space around bg limited to content-box */ width: 6rem; height: 6rem; /* aspect-ratio: 1 doesn't work here in Firefox */ border-radius: 50%; box-shadow: 0 0 0.5px black, inset 0 0 1px 1px rgba(255, 255, 255, 0.05), inset var(--shl), inset 0 0 0 calc(.5*0.42*(6rem + -2*0.625rem) + 0.625rem) #1f1f1f, 0.25rem -0.25rem 0.25rem #2a2a2a, -0.25rem 0.25rem 0.75rem #090909, var(--shl), 0.75rem -0.75rem 0.75rem #2a2a2a, -0.75rem 0.75rem 1.25rem #090909; background: repeating-conic-gradient(from 60deg, transparent 0%, silver 1deg 59deg, transparent 60deg 50%) 0/42% 100% space content-box #1f1f1f; -webkit-transition: box-shadow 0.35s; transition: box-shadow 0.35s; cursor: ns-resize; } [type=range]::-moz-range-thumb { /* only add a top margin if the m flag is non-zero */ /* we use --sel to flip between normal & hover/ focus styles * detailed explanation * https://css-tricks.com/dry-switching-with-css-variables-the-difference-of-one-declaration/ */ --shl: 0 0 0 calc((1 - .375*var(--sel))*1rem) /* slightly decrease spread in hover/ focus case */ hsla(0, 0%, 19%, var(--sel)) /* non-zero shadow alpha only in hover/ focus case */; box-sizing: border-box; border: none; /* get rid of Firefox border */ padding: 0.625rem; /* to add space around bg limited to content-box */ width: 6rem; height: 6rem; /* aspect-ratio: 1 doesn't work here in Firefox */ border-radius: 50%; box-shadow: 0 0 0.5px black, inset 0 0 1px 1px rgba(255, 255, 255, 0.05), inset var(--shl), inset 0 0 0 calc(.5*0.42*(6rem + -2*0.625rem) + 0.625rem) #1f1f1f, 0.25rem -0.25rem 0.25rem #2a2a2a, -0.25rem 0.25rem 0.75rem #090909, var(--shl), 0.75rem -0.75rem 0.75rem #2a2a2a, -0.75rem 0.75rem 1.25rem #090909; background: repeating-conic-gradient(from 60deg, transparent 0%, silver 1deg 59deg, transparent 60deg 50%) 0/42% 100% space content-box #1f1f1f; -moz-transition: box-shadow 0.35s; transition: box-shadow 0.35s; cursor: ns-resize; } [type=range] + output { place-self: end; /* put it in bottom right corner of grid cell it's in */ place-content: center; /* place its content in the middle along both directions */ margin-left: 0.25em; /* space it out a bit from oversized thumb on its left */ width: 1.25em; /* make it wide enough to accommodate all possible values */ aspect-ratio: 1; /* make it square */ transform: translatey(calc(50% - var(--pos))); /* move vertically with slider value */ font-size: 6.25rem; /* blow up font size */ font-weight: 100; /* ends up too thick, make it thinner */ line-height: 1.25; /* now why the fuck didn't I just use the shorthand here */ counter-reset: val var(--val); /* set counter to slider value */ /* in order to be able to use its (numeric integer) value for the ::after */ /* content: var(--val) works only if --val is string */ } [type=range] + output::after { content: counter(val); } /* ===== RULER ===== */ datalist { grid-area: 1/1; /* occupy cell at intersection between 1st row & 1st column */ /* make its gri have max value + 1 rows (because 1st value is 0) of unit height */ grid-template-rows: repeat(calc(var(--max) + 1), 1rem); margin: -0.5rem 0; } option { /* absolute value of difference between the option index idx & current slider value val * https://css-tricks.com/using-absolute-value-sign-rounding-and-modulo-in-css-today/ */ --abs: max(var(--val) - var(--idx), var(--idx) - var(--val)); --rel: calc(var(--abs)/6); /* relative value to number of ruler marks affected */ --sel: max(0, 1 - var(--rel)*var(--rel)); /* try to compensate for no trig with circular dist */ --off: calc(var(--sel)*-2.375rem); /* thumb-caused offset */ grid-row: calc(var(--max) + 1 - var(--idx)); /* visually reverse row order */ align-self: center; /* ensure big text is vertically in the middle of containing cells */ padding-right: 0.75em; /* leave space for ruler marks */ transform: translate(var(--off)); /* apply thumb caused offset via transform */ background: linear-gradient(hsl(0, 0%, var(--lum, 32%)) 0 0) 100%/0.5em 2px no-repeat; /* text alpha depends on distance from thumb */ color: hsla(0, 0%, 93%, calc(1 - .0625*var(--abs))); font-size: 2rem; text-align: right; transition: 0.2s ease-out; /* make major ruler markings brighter */ } @supports (top: calc(sin(5deg)*1px)) { option { /* if we have trigonometry in CSS */ --sel: max(0, 1 - var(--rel)); /* linear selection value */ /* make the ruler mark distribution around thumb follow a cos wave */ --off: calc(.5*(1 - cos(var(--sel)*180deg))*-2.375rem) ; } } option[label] { --lum: 90% ; } /* ===== SUPPORT INFO BOXES ===== */ section { grid-gap: 0.625rem; /* some space between boxes if there are more */ position: fixed; /* take out of document flow */ z-index: 2; /* on top of everything else */ inset: auto 0 0; /* attach to parent's padind-box edges except top */ padding: 0.625rem; /* set padding equal to gap */ font: clamp(.625em, 2.5vw, 1.25em)/1.25 trebuchet ms, ubuntu, verdana, arial, sans-serif; } .box { margin: 0; /* override browser default */ border-left: solid 5px var(--c0, #dc3055); padding: inherit; /* pad info boxes as well */ background: var(--c1, #851d40); color: white; /* modify palette for warn */ } .box--warn { --c0: #fd8721; --c1: #c34915 ; } .box--list { display: var(--list); } .box--trig { display: var(--trig); } .box--cmix { display: var(--cmix); } code, kbd { padding: 2px; background: rgba(0, 0, 0, 0.2); font: 1.1em/1.2 ubuntu mono, consolas, monaco, monospace; } /* This is all the JS used and it does only 2 things: */ /* 1. datalist option render support test (for support info box) */ addEventListener('load', e => { if(+document.querySelector('option').getBoundingClientRect().width) document.body.style.setProperty('--list', 'none') }) /* 2. update the --val custom property on dragging slider thumb */ addEventListener('input', e => { let _t = e.target; _t.parentNode.style.setProperty('--val', +_t.value) }) /* Absolutely no JS is needed for creating the look of the slider. */ Навигация по записям Tilting Maze game Agency website
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