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<!-- I'm excited, and you? o(^▽^)o -->
<!-- hint: try dragging or double-clicking the model -->
<!-- ? orbit (Y-axis) -->
<section data-camera>
<!-- ? orbital (X-axis) -->
<section data-scene>
<!-- * relevant portion -->
<!-- TODO .plate -->
<div class="n-gon plate" data-3d>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<!-- TODO .cake-base -->
<div class="n-gon cake-base" data-slice data-3d>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<!-- TODO .base-edges -->
<!-- !ISSUE makes rendering slow -->
<!-- <div class="n-gon n-gon-sub base-edges" data-slice data-3d>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div> -->
<!-- TODO .strawberries -->
<div class="spheres strawberries" data-3d>
<div>
<div class="sphere"></div>
<div class="leaf l1"></div>
</div>
<div><div class="sphere"></div></div>
<div><div class="sphere"></div></div>
<div>
<div class="sphere"></div>
<div class="leaf l4"></div>
<div class="leaf l4 l5"></div>
<div class="leaf l4 l5 l6"></div>
</div>
<div><div class="sphere"></div></div>
<div><div class="sphere"></div></div>
<div>
<div class="sphere"></div>
<div class="leaf l7"></div>
</div>
<div><div class="sphere"></div></div>
<div>
<div class="sphere"></div>
<div class="leaf l7 l8"></div>
</div>
<div>
<div class="sphere"></div>
<div class="leaf l7 l9"></div>
</div>
</div>
<!-- TODO .shadows -->
<div class="cake-base-shadow"></div>
</section>
</section>
<!-- ? information -->
<article id="howto">
<a href="#" aria-label="close this modal" data-close></a>
<article data-desc>
<h1>Supported Gestures</h1>
<ul data-desktop>
<li><i>Drag:</i> Rotate</li>
<li><kbd>ctrl</kbd> + <i>Drag:</i> Pan (XY)</li>
<li><kbd>alt</kbd> + <i>Drag:</i> Pan (Z)</li>
<li><kbd>shift</kbd> + <i>Drag:</i> Perspective</li>
<li><i>Wheel:</i> Zoom</li>
<li><kbd>ctrl</kbd> + <i>Wheel:</i> Fast Zoom</li>
<li><i>Double click:</i> Toggle auto-rotate (Z)</li>
</ul>
<ul data-mobile>
<li><i>Drag:</i> Rotate</li>
<li><i>Pinch:</i> Zoom</li>
<li><i>Double tap:</i> Toggle auto-rotate (Z)</li>
</ul>
</article>
</article>
<!-- ? information hyperlink -->
<a
href="#howto"
aria-label="learn how to operate this pen"
data-howto
data-isolated
>How to?</a
>
// * 26 October 2021
// * CSS 3D Cake
// * recommended view: Full Page
// * score: `65` DIVs and its `108` pseudo-elements
// * requires Chrome >=94 or Firefox >=79
// * best appearance in Chrome
// * best performance in Chrome and Firefox >=83
// * more info. in the Details view
@use "sass:math";
$texture-location: 'https://shadowshahriar.github.io/assets/codepen/css3d-cake/textures';
// ! @logic.scss
// * the division function was introduced in Dart Sass 1.33.0,
// * and I have used it a lot in my sass pens. at the time
// * of writing, CodePen offers Dart Sass 1.32.0. have
// * made a wrapper function so that I can swap any of them.
@function devide($a, $b) {
@return $a * (1 / $b);
//@return math.div($a, $b);
}
// * full sized pseudo-elements
@mixin full-pseudo {
content: '';
position: absolute;
width: 100%;
height: 100%;
display: block;
}
// * index and color binary variables
@mixin bin-vars($i, $n) {
$j: $i - 1;
$k: $j - devide($n, 2);
--binary: #{math.clamp(0, $k, 1)};
--i: #{$j};
--l: #{$k};
}
// * fix bleeding edges caused by clip-path (since Firefox ^83)
@function clip-fix() {
$v: inset 0 0 0 1px var(--clip-fix-color, #fff);
@return $v;
}
// * fix aliased edges caused by `transform-style: preserve-3d` in Firefox
// * these magic numbers seems to work in v85+ (still investigating...)
@function antialised() {
$v: 0 0 0 2px var(--smooth-color, rgba(0, 0, 0, 0.01));
@return $v;
}
// * returns a clip-path of an n-gon
@function n-polygon($n, $crop: null) {
$rad: devide(math.$pi, 180);
$theta: devide(360, $n) * $rad;
$points: null;
@for $i from 1 through $n {
$a: $theta * $i;
$binary: 1;
@if $crop and $i > 1 and $i <= $crop {
$binary: 0;
}
// ? https://stackoverflow.com/a/839931
$x: 50% + 50% * math.cos($a) * $binary;
$y: 50% + 50% * math.sin($a) * $binary;
$points: $points, $x $y;
}
@return polygon(#{$points});
}
// * return the side-length of an n-gon in percentages
@function n-edge-length($n) {
// 1 is the maximum value or diameter
// hence, r = (d / 2) or 0.5
$Rc: 0.5;
// ? https://calcresource.com/geom-ngon.html
$denominator: 2 * math.sin(devide(math.$pi, $n));
$a: $Rc * $denominator;
@return $a;
}
// * return a standard variable definition for an n-gon model
// * $c to define how many vertices to cut off in the clip-path
@mixin poly-angles($n) {
$a: devide(360, $n);
$sa: devide(180 - $a, 2);
--sides: #{$n};
--angle: #{$a};
--edge-angle: #{$sa + $a};
--edge-length: #{n-edge-length($n)};
// shift the starting angle
// play w/ it here => https://codepen.io/thebabydino/pen/QbBWZb
--start-angle: #{90 - $a};
}
// * returns a clip-path of a bordered/substracted n-gon
@function n-polygon-intersection($n, $crop: null) {
$whole: 2 * math.$pi;
$rad: devide(math.$pi, 180);
$theta: devide(360, $n) * $rad;
$outer-points: null;
$outer-last: null;
$inner-points: null;
$inner-last: null;
$points: null;
// TODO calculate the outer clip-path
@for $i from 1 through $n {
$a: $whole + ($theta * $i);
$binary: 1;
@if $crop and $i > 1 and $i <= $crop {
$binary: 0;
}
$x: 50% + 50% * math.cos($a) * $binary;
$y: 50% + 50% * math.sin($a) * $binary;
$outer-points: $outer-points, $x $y;
// save the last (x, y) coordinates
@if $i == $n {
$outer-last: $x $y;
}
}
// TODO calculate the inner clip-path
@for $i from 1 through $n {
$a: $whole + ($theta * $i);
$binary: 1;
@if $crop and $i > 1 and $i <= $crop {
$binary: 0;
}
$x: math.cos($a) * $binary;
$y: math.sin($a) * $binary;
// add variables to the (cos, sin) coordinates
$this-points: calc(50% + (var(--inner-radius) - var(--iir, 0%)) * #{$x})
calc(50% + (var(--inner-radius) - var(--iir, 0%)) * #{$y});
$inner-points: $this-points, $inner-points;
// save the last (x, y) coordinates
@if $i == $n {
$inner-last: $this-points;
}
}
// TODO join the points
$points: $outer-points, $inner-points, $inner-last, $outer-last;
@return polygon(#{$points});
}
// ! @ n-gon.scss
.n-gon {
position: absolute;
left: 50%;
top: 50%;
width: var(--diameter);
height: var(--diameter);
transform: translate(-50%, -50%);
transform-origin: 50% 50%;
}
.n-gon::before,
.n-gon::after {
@include full-pseudo;
background-color: var(--color-bottom);
clip-path: var(--polygon-shape);
left: 50%;
top: 50%;
--transform: translate(-50%, -50%)
scale(calc(1 - ((var(--bevel) * 1) / 100)));
transform: var(--transform);
box-shadow: clip-fix();
}
.n-gon::after {
background-color: var(--color-top);
transform: var(--transform) translateZ(var(--height));
}
.n-gon > div {
--slice-angle: calc(
(var(--start-angle) + (var(--angle) * var(--i))) * 1deg
);
// background-color: rgba(0, 0, 0, 0.5);
position: absolute;
left: 50%;
top: 50%;
width: var(--height);
height: calc(50% - (var(--bevel) * 1% / 2));
transform: translate(-100%, 0%) rotateY(90deg) rotateX(var(--slice-angle));
transform-origin: 100% 0;
transform-style: preserve-3d;
}
.n-gon > div::before {
@include full-pseudo;
left: 0;
top: 0;
background: green;
transform: rotateX(calc(var(--angle) * 1deg));
transform-origin: 0 0;
display: none;
}
.n-gon-sub > div > div,
.n-gon > div::after {
--shade-binary: calc(var(--i) - (var(--binary) * (2 * var(--l))));
--shades: clamp(
0,
(var(--shade-binary) / var(--sides)) * var(--shade-opacity),
1
);
--shade: rgba(
var(--shade-color),
var(--shade-color),
var(--shade-color),
calc(var(--shades) + var(--iso, 0))
);
--edge-size: calc(
var(--edge-length) * var(--diameter) * ((100 - var(--bevel)) / 100) *
(var(--edge-fix, 100) / 100)
);
content: '';
position: absolute;
right: calc(var(--bevel-height) * 0.5%);
bottom: 0;
width: calc(100% - var(--bevel-height) * 1%);
height: var(--edge-size);
background-color: var(--color-side);
background-image: linear-gradient(var(--shade), var(--shade));
display: block;
transform: rotateX(calc(var(--edge-angle) * 1deg)) translateY(100%);
transform-origin: 0 100%;
box-shadow: antialised();
}
.n-gon[data-slice] > div:nth-child(1) {
background-color: var(--color-side-start);
}
.n-gon[data-slice] > div:last-child:before {
background-color: var(--color-side-end);
display: block;
}
.n-gon.n-gon-sub[data-slice] > div:nth-child(1) {
background-color: transparent;
}
// ! @ n-gon-defaults.scss
.n-gon {
--diameter: calc(500 * var(--px));
--height: calc(150 * var(--px));
--clip-fix-color: rgba(255, 255, 255, 0.1);
--edge-fix: 100; // 0-100
--bevel-height: 0; // 0-100
--bevel: 0; // 0-100
--shade-color: 0; // 0 for black, 255 for white
--shade-opacity: 1; // 0-10
--color-side: #009fff;
--color-top: #009fff;
--color-bottom: #0b7fc4;
--color-side-start: #0575b8;
--color-side-end: #0b7fc4;
}
// ! @ half-sphere.scss
$smooth-spheres: true;
$sphere-poly-count: 14;
.sphere {
--polygon-shape: #{n-polygon($sphere-poly-count)};
--diameter: calc(60 * var(--px));
--texture: var(--strawberry-texture);
position: absolute;
left: 50%;
top: 50%;
width: var(--diameter);
height: var(--diameter);
transform: translate(-100%, -50%) rotateY(90deg) translateX(var(--diameter))
translateX(-50%);
transform-style: preserve-3d;
transform-origin: 100% 0;
}
.sphere::before,
.sphere::after {
content: '';
position: absolute;
right: 0;
bottom: 0;
width: 100%;
height: 100%;
display: block;
background-image: var(--texture), var(--bgi);
background-size: 100% 100%;
transform-origin: 50% 50%;
--max-rotation: calc((360 + 90 + var(--cameraZ)) * 1deg);
@if $smooth-spheres == true {
border-radius: 50%;
} @else {
clip-path: var(--polygon-shape);
}
}
.sphere::before {
background-color: orangered;
transform: rotateY(90deg) rotateZ(calc(90deg + var(--cameraZ) * 1deg))
translateZ(-0.1px);
}
.sphere::after {
background-color: orange;
transform: rotateX(calc(90deg + var(--cameraZ) * 1deg))
rotateY(calc(90deg + var(--cameraY) * -1deg));
}
@keyframes rotateSphereBefore {
to {
transform: rotateY(90deg) rotateZ(var(--max-rotation))
translateZ(-0.1px);
}
}
@keyframes rotateSphereAfter {
to {
transform: rotateX(var(--max-rotation))
rotateY(calc(90deg + var(--cameraY) * -1deg));
}
}
// ! @ leaf.scss
.leaf {
--diameter: calc(40 * var(--px));
--texture: var(--noise-texture);
--angleX: 146deg;
--angleY: 0deg;
--angleZ: -94deg;
--shiftZ: 76%;
--shiftX: calc(-37 * var(--px));
--shiftY: calc(15 * var(--px));
--scaleX: -1;
--shadow-color: transparent;
--shadow-shift: calc(7 * var(--px));
--shadow-blur: calc(7 * var(--px));
position: absolute;
left: var(--shiftZ);
top: 50%;
width: var(--diameter);
height: var(--diameter);
transform: translate(-100%, -50%) rotateY(90deg) translateX(var(--diameter))
translateX(-50%);
transform-style: preserve-3d;
transform-origin: 100% 0;
}
.leaf::after,
.leaf::before {
content: '';
position: absolute;
right: var(--shiftY);
bottom: var(--shiftX);
width: 100%;
height: 100%;
display: block;
background-image: var(--texture), var(--bgi, var(--bgi-def));
background-size: 100% 100%;
transform-origin: 50% 50%;
transform: scaleX(var(--scaleX)) rotateZ(var(--angleZ))
rotateX(var(--angleX)) translateZ(var(--s1, 0px)) rotateY(var(--angleY));
clip-path: polygon(
99% 88%,
90% 92%,
80% 94%,
73% 94%,
65% 92%,
54% 88%,
44% 80%,
33% 73%,
25% 64%,
18% 57%,
12% 49%,
6% 44%,
2% 36%,
8% 35%,
20% 35%,
36% 35%,
49% 35%,
62% 35%,
73% 39%,
84% 44%,
90% 52%,
95% 64%,
97% 72%,
99% 80%
);
}
.leaf::before {
--s1: var(--shadow-shift);
background-image: none;
background-color: var(--shadow-color);
filter: blur(var(--shadow-blur));
border-radius: 0 50% 0 50%;
clip-path: none;
width: 85%;
height: 61%;
}
.l4 {
--diameter: calc(34 * var(--px));
--angleX: 120deg;
--angleY: 0;
--angleZ: -96deg;
--shiftZ: 115%;
--shiftX: calc(-10 * var(--px));
--shiftY: calc(14 * var(--px));
--shadow-shift: 0;
--shadow-blur: 0;
}
.l5 {
--angleY: 16deg;
--angleZ: -146deg;
--shiftZ: -20%;
--shiftX: calc(-21 * var(--px));
--shiftY: calc(13 * var(--px));
}
.l6 {
--angleX: 119deg;
--angleZ: -160deg;
--shiftZ: -131%;
--shiftX: 0;
--shiftY: calc(10 * var(--px));
--angleY: 43deg;
}
.l7 {
--diameter: calc(36 * var(--px));
--angleX: 156deg;
--angleY: 38deg;
--angleZ: -190deg;
--shiftZ: -10%;
--shiftX: calc(30 * var(--px));
--shiftY: calc(12 * var(--px));
--shadow-shift: 0;
--shadow-blur: 0;
}
.l8 {
--angleX: 135deg;
--angleY: 22deg;
--angleZ: -170deg;
--shiftZ: -22%;
--shiftX: calc(1 * var(--px));
--shiftY: calc(14 * var(--px));
}
.l9 {
--angleX: 207deg;
--angleY: 6deg;
--shiftZ: -6%;
--shiftX: calc(23 * var(--px));
}
// ! @ colors.scss
/** ==== colors ==== */
:root {
--strawberry-shadow: rgba(196, 65, 65, 0.75);
// --cake-base-shadow-color: #f2c5ae66;
// --cake-base-shadow-dark-color: #a88471;
--cake-base-shadow-color: #4933284a;
--cake-base-shadow-dark-color: #7b6458;
--cake-top-color: #e8898e;
--cake-top-color-light: #e3a2a5;
--cake-base-sides-color: #e5626c;
--cake-base-sides-color-light: #ea7a82;
--cake-base-spot-1: #ddbaa6;
--cake-base-spot-2: #e4c7b7;
--cake-base-sliced-shadow-color: #47362db5;
// --cake-base-inner-layer-color: #c87f5a7a;
// #c87f5ab8; #c87f5a; #ba8b73;
--cake-base-inner-layer-color: #4e372c7a;
--cake-base-glow-color: #bf333357; //#bf333333;
--cake-sliced-inner-layer-1-1: #e9a6a8;
--cake-sliced-inner-layer-1-2: #ea7a82;
--cake-sliced-inner-layer-2-1: #ec999c;
--cake-sliced-inner-layer-2-2: #ff727c;
--cake-base-edges-texture: url('#{$texture-location}/sponge-slice.png');
--sponge-texture: url('#{$texture-location}/sponge.png');
--strawberry-texture: url('#{$texture-location}/plate.png');
--cake-top-texture: url('#{$texture-location}/cake-top.png');
--noise-texture: url('#{$texture-location}/noise.png');
}
html::before {
// #e2cec4, #615065, #b390a4
background-image: radial-gradient(circle at 25% 42%, #fff, #e2cec4);
}
[data-scene]::before {
background-color: rgba(0, 0, 0, 0.3);
}
.plate {
--shade-color: 0;
--color-side: #fffffb;
--color-top: #fde8e3;
--color-bottom: #ebe6d8;
--color-side-start: #fff;
--color-side-end: #fff;
--top-shades: #baa8b3;
--top-layer-1: #fffffa;
--top-layer-2: #fefaef;
--texture-top: url('#{$texture-location}/plate.png');
--texture-bottom: url('#{$texture-location}/plate-bottom.png');
--texture-bottom-color: #fde8e3;
--texture-edges: url('#{$texture-location}/plate-edges.png');
}
.cake-base {
--color-side: #f2cab6;
--color-top: var(--cake-top-color); // #e47f85;
--color-bottom: #eebfa8;
--color-side-start: #e6b7a0;
--color-side-end: #fac9b1;
}
.n-gon.n-gon-sub.base-edges {
--color-side: #edb58e;
--color-bottom: #e5b899;
}
.spheres .sphere {
--diameter: var(--sphere-d);
--bgi: radial-gradient(circle at 0% 110%, #dab0aa 11%, #d94444);
}
.spheres > div:nth-child(3n-1) > .sphere {
--bgi: radial-gradient(circle at 91% 50%, #d78b6b 11%, #fad3bf);
}
.leaf {
--bgi-def: radial-gradient(circle at center, #71bc57, #65a234);
}
.l1 {
--shadow-color: rgba(142, 73, 73, 0.331);
}
.l4 {
--bgi: radial-gradient(circle at center, #71bc57, #487920);
}
.l5 {
--bgi: radial-gradient(circle at center, #a4d395, #5a912d);
}
.l6 {
--bgi: radial-gradient(circle at center, #a4d395, #71bc57);
}
.l7 {
--bgi: radial-gradient(circle at center, #76c759, #88c357);
}
.l8 {
--bgi: radial-gradient(circle at center, #89b81c, #68941b);
}
.l9 {
--bgi: radial-gradient(circle at center, #82ba29, #68941b);
}
.cake-base,
.plate {
--smooth-color: rgba(0, 0, 0, 0);
}
// ! @ index.scss
/** ==== geometrical configuration ==== */
$plate-faces: 14;
$cake-faces: 24;
$cake-slices: 4;
$cake-min-faces: $cake-faces - $cake-slices;
/** ==== physical configuration ==== */
:root {
--plate-length: calc(640 * var(--px));
--plate-height: calc(20 * var(--px));
--plate-shadow-blur: calc(30 * var(--px));
--cake-base-shadow-blur: calc(29 * var(--px));
--plate-shadow-transform: translate3d(-50%, -58%, -1px) scaleY(114%);
--cake-diameter: calc(380 * var(--px));
--cake-edges-size: calc(16 * var(--px));
--cake-edges-height: calc(19 * var(--px));
--cake-height: calc(134 * var(--px));
--cake-rZ: -108deg;
--strawberry-circle-diameter: calc(280 * var(--px));
--strawberry-diameter: calc(60 * var(--px));
--strawberry-start: -30;
--strawberry-increment: 27;
--top-cream-height: calc(20 * var(--px));
--layer-cream-height: calc(20 * var(--px));
}
/** ==== camera configuration ==== */
[data-camera] {
--scene-size: 0;
--perspective: 800;
--cameraZ: 108;
--cameraY: 46;
--translateZ: 10;
}
/** ==== plate shadow ==== */
[data-scene] {
background: none;
}
[data-scene]::before {
content: '';
position: absolute;
top: 50%;
left: 50%;
width: var(--plate-length);
height: var(--plate-length);
transform: var(--plate-shadow-transform);
display: block;
border-radius: 50%;
filter: blur(var(--plate-shadow-blur));
}
/** ==== plate ==== */
.plate {
@include poly-angles($plate-faces);
--diameter: var(--plate-length);
--height: var(--plate-height);
--shade-opacity: 1;
--polygon-shape: #{n-polygon($plate-faces)};
--bevel-height: -0.8;
transform: translate(-50%, -50%) rotateZ(12deg);
&::before {
background-image: radial-gradient(
circle at center,
transparent 50%,
var(--texture-bottom-color)
),
var(--texture-bottom);
}
&::after {
--layer-1: linear-gradient(0deg, var(--top-layer-1), transparent);
--layer-2: radial-gradient(
ellipse at 54% 97%,
var(--top-layer-2),
transparent
);
background-image: var(--layer-2), var(--texture-top), var(--layer-1);
box-shadow: inset calc(-28 * var(--px)) calc(53 * var(--px))
calc(58 * var(--px)) calc(-29 * var(--px)) var(--top-shades);
border-radius: 50%;
}
}
@for $i from 1 through $plate-faces {
.plate > div:nth-child(#{$i}) {
@include bin-vars($i, $plate-faces);
}
}
.plate > div::after {
background-image: var(--texture-edges),
linear-gradient(var(--shade), var(--shade));
background-size: auto 100%;
background-position: 0 calc(var(--i) * 40 * var(--px));
}
/** ==== cake base ==== */
.cake-base {
@include poly-angles($cake-faces);
--edge-fix: 102;
--shade-color: 255;
--shade-opacity: 0.6;
--diameter: var(--cake-diameter);
--height: var(--cake-height);
--polygon-shape: #{n-polygon($cake-faces, $cake-slices)};
--bevel-height: -0.8;
transform: translate(-50%, -50%) translateZ(var(--plate-height))
rotateZ(var(--cake-rZ));
}
@for $i from 1 through $cake-min-faces {
.cake-base > div:nth-child(#{$i}) {
@include bin-vars($i, $cake-faces);
}
}
/** ==== strawberries ==== */
.spheres {
--d: var(--strawberry-circle-diameter);
--sphere-d: var(--strawberry-diameter);
--start: var(--strawberry-start);
--increment: var(--strawberry-increment);
// background-color: red;
// border-radius: 50%;
position: absolute;
left: 50%;
top: 50%;
width: var(--d);
height: var(--d);
transform: translate(-50%, -50%)
translateZ(
calc(var(--cake-height) + var(--plate-height) + (1 * var(--px)))
);
}
@for $i from 1 through 10 {
.spheres > div:nth-child(#{$i}) {
--i: #{$i};
z-index: #{-$i};
}
}
.spheres > div {
--angle: calc((var(--start) + (var(--increment) * var(--i))) * 1deg);
position: absolute;
left: 50%;
top: 50%;
width: var(--sphere-d);
height: var(--sphere-d);
border-radius: 50%;
transform: translate(-50%, -50%) rotate(var(--angle))
translate(calc(var(--d) * 0.5)) rotate(calc(var(--angle) * -1));
transform-style: preserve-3d;
box-shadow: calc(-8 * var(--px)) calc(-8 * var(--px)) calc(4 * var(--px)) 0
rgba(0, 0, 0, 0.13),
calc(-3 * var(--px)) calc(-9 * var(--px)) calc(27 * var(--px)) 0
var(--strawberry-shadow);
}
/** ==== shadows ==== */
.cake-base-shadow {
position: absolute;
left: 50%;
top: 50%;
width: var(--cake-diameter);
height: var(--cake-diameter);
transform: translate3d(-50%, -50%, var(--plate-height));
filter: blur(var(--cake-base-shadow-blur));
}
.cake-base-shadow::before,
.cake-base-shadow::after {
content: '';
position: absolute;
display: block;
right: 0;
top: 0;
background-color: var(--cake-base-shadow-color);
}
.cake-base-shadow::before {
width: 115%;
height: 115%;
border-radius: 50%;
transform: translate(11%, -12%);
background-image: radial-gradient(
circle at center,
var(--cake-base-shadow-dark-color) 40%,
transparent 17%
);
}
.cake-base-shadow::after {
width: 50%;
height: 77%;
transform: translate(70%, -13%) rotate(28deg);
transform-origin: 0 0;
}
/** ==== decoration ==== */
.cake-base > div {
--light: linear-gradient(-90deg, var(--cake-base-glow-color), transparent);
}
.cake-base > div::after {
--common: var(--sponge-texture), linear-gradient(var(--shade), var(--shade)),
linear-gradient(
90deg,
var(--cake-base-sides-color),
var(--cake-base-sides-color-light)
),
linear-gradient(
var(--cake-base-inner-layer-color),
var(--cake-base-inner-layer-color)
);
background-image: var(--light), var(--common);
background-size: 100% 100%, cover, 100% 100%, var(--top-cream-height) 100%,
var(--cake-edges-height) 100%;
background-repeat: no-repeat, repeat, repeat, repeat-y, repeat-y;
background-position: 0 0,
calc(var(--i) * 14 * var(--px)) calc(var(--i) * 11 * var(--px)), 0 0,
0 0, top right;
}
.cake-base > div:last-child::after {
--l1: radial-gradient(
circle at center,
var(--cake-base-spot-1) 30%,
transparent 34%
);
--l2: radial-gradient(
circle at center,
var(--cake-base-spot-2) 30%,
transparent 34%
);
background-image: var(--light), var(--l2), var(--l1), var(--l1),
var(--common);
background-size: 100% 100%, 14% 14%, 20% 20%, 30% 30%, 68% 83%, 100% 100%,
var(--top-cream-height) 100%, var(--cake-edges-height) 100%;
background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, repeat,
repeat, repeat-y, repeat-y;
background-position: 0 0, 55% 52%, 36% 72%, 20% 40%, 0 0, 0 0, 0 0,
top right;
}
.n-gon.cake-base > div:first-child {
--common: linear-gradient(
0deg,
var(--cake-base-inner-layer-color) 51%,
var(--color-side)
),
var(--sponge-texture),
linear-gradient(var(--shade, transparent), var(--shade, transparent)),
linear-gradient(
49deg,
var(--cake-base-sides-color),
var(--cake-base-sides-color-light)
);
background-image: linear-gradient(
200deg,
var(--cake-base-sliced-shadow-color),
transparent
),
var(--light),
linear-gradient(
49deg,
var(--cake-sliced-inner-layer-1-1),
var(--cake-sliced-inner-layer-1-2)
),
var(--common);
background-size: 100% 100%, 100% 100%, var(--layer-cream-height) 100%,
var(--cake-edges-height) 1px, cover, 100% 100%,
var(--top-cream-height) 100%;
background-repeat: repeat, no-repeat, repeat-y, repeat-y, repeat, repeat,
repeat-y;
background-position: 0 0, 0 0, top center, top right, 0 0, 0 0, 0 0;
}
.n-gon.cake-base > div:last-child::before {
--common: linear-gradient(
0deg,
var(--color-side),
var(--cake-base-inner-layer-color) 51%
),
var(--sponge-texture),
linear-gradient(var(--shade, transparent), var(--shade, transparent)),
linear-gradient(
49deg,
var(--cake-base-sides-color),
var(--cake-base-sides-color-light)
);
background-image: linear-gradient(
185deg,
var(--cake-base-sliced-shadow-color),
transparent
),
var(--light),
linear-gradient(
49deg,
var(--cake-sliced-inner-layer-2-1),
var(--cake-sliced-inner-layer-2-2)
),
var(--common);
background-size: 100% 100%, 100% 100%, var(--layer-cream-height) 100%,
var(--cake-edges-height) 1px, cover, 100% 100%,
var(--top-cream-height) 100%;
background-repeat: repeat, no-repeat, repeat-y, repeat-y, repeat, repeat,
repeat-y;
background-position: 0 0, 0 0, top center, top right, 0 0, 0 0, 0 0;
}
.n-gon.cake-base::after {
background-image: var(--cake-top-texture),
conic-gradient(
from 106deg at center,
var(--cake-top-color),
var(--cake-top-color-light),
var(--cake-top-color)
);
}
/** ==== rotation ==== */
[data-camera][data-autorotate] > [data-scene] {
animation: rotateCamera var(--auto-rotate-timing-func)
var(--auto-rotate-duration) var(--auto-rotate-direction) infinite;
}
[data-camera][data-autorotate] .sphere::before {
animation: rotateSphereBefore var(--auto-rotate-timing-func)
var(--auto-rotate-duration) var(--auto-rotate-direction) infinite;
}
[data-camera][data-autorotate] .sphere::after {
animation: rotateSphereAfter var(--auto-rotate-timing-func)
var(--auto-rotate-duration) var(--auto-rotate-direction) infinite;
}
// * hint: try clicking/tapping the `How to?`
// * anchor located at the top-right corner
window.addEventListener('load', () => {
new Camera()
.setOptimalPerspective()
.with({
debug: true,
rotate: {
speed: 1.2
}
})
.init()
})
Also see: Tab Triggers