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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Dion Dajka – UI Engineer from Berlin</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="msapplication-TileColor" content="#da532c" />
<meta
name="theme-color"
media="(prefers-color-scheme: light)"
content="#fffbeb"
/>
<meta
name="theme-color"
media="(prefers-color-scheme: dark)"
content="black"
/>
<link
rel="apple-touch-icon"
sizes="180x180"
href="/apple-touch-icon.png"
/>
<link
rel="icon"
type="image/png"
sizes="32x32"
href="/favicon-32x32.png"
/>
<link
rel="icon"
type="image/png"
sizes="16x16"
href="/favicon-16x16.png"
/>
<link rel="manifest" href="/site.webmanifest" />
<link rel="mask-icon" href="/safari-pinned-tab.svg" color="#000000" />
<style>
* {
box-sizing: border-box;
}
html {
--lemon: #ffff00;
--lime: #00ff7e;
--green: #11d700;
--pink: #ec008c;
--cyan: #00d2ff;
--blue: #0070ff;
--eggshell: #fffbeb;
--text: black;
--background: var(--eggshell);
--highlight1: var(--lemon);
--highlight2: var(--pink);
--highlight3: var(--cyan);
--highlight4: var(--blue);
color: var(--text);
background-color: var(--background);
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI',
Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans',
'Helvetica Neue', sans-serif;
font-size: 20px;
}
@media (prefers-color-scheme: dark) {
html {
--eggshell: #f7f0d5;
--text: var(--eggshell);
--background: black;
--highlight1: var(--pink);
--highlight2: var(--cyan);
--highlight3: var(--lime);
--highlight4: var(--green);
}
}
html,
body {
height: 100%;
margin: 0;
}
body {
display: grid;
place-items: center;
grid-template-rows: 5fr 1fr;
gap: 1rem;
padding: 6vw;
}
a:link {
color: inherit;
}
a:visited {
color: inherit;
}
.logo-mask {
position: absolute;
}
.logos {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 0.8rem 0.2rem;
}
.logos svg {
max-width: 100%;
height: auto;
}
.logo-background {
fill: var(--text);
}
.wave {
stroke: var(--highlight1);
stroke-width: 5px;
stroke-linecap: round;
}
.bubble {
fill: var(--highlight2);
}
.shape {
transform-box: fill-box;
transform-origin: top center;
}
</style>
</head>
<body>
<header class="logos" id="logos">
<svg
width="0"
height="0"
viewBox="0 0 275 100"
class="logo-mask"
role="presentation"
>
<defs>
<clipPath id="dion-text">
<path
d="M53.21,40.46H53a26.41,26.41,0,0,0-7.5-5.86,24.21,24.21,0,0,0-11.84-2.67,27.87,27.87,0,0,0-21.82,9.93,32.9,32.9,0,0,0-6,10.62,38.3,38.3,0,0,0-2.1,12.66,39.87,39.87,0,0,0,2,12.72,32.54,32.54,0,0,0,5.92,10.76,29.26,29.26,0,0,0,9.47,7.44,28.2,28.2,0,0,0,12.73,2.8,28.35,28.35,0,0,0,12-2.61,19.83,19.83,0,0,0,8.72-7.44h.25v8.27H74.07V.89H53.21ZM53,71.25A16.69,16.69,0,0,1,50,76.46a15,15,0,0,1-4.77,3.69,13.93,13.93,0,0,1-6.36,1.4,14.25,14.25,0,0,1-6.49-1.4,14.43,14.43,0,0,1-4.71-3.69,15.55,15.55,0,0,1-2.86-5.27,19.7,19.7,0,0,1-.95-6,19.08,19.08,0,0,1,.95-6,14.63,14.63,0,0,1,7.57-8.78A14.39,14.39,0,0,1,38.83,49a14.06,14.06,0,0,1,6.36,1.4A15.13,15.13,0,0,1,50,54.07,16.85,16.85,0,0,1,53,59.29a17.1,17.1,0,0,1,0,12Z"
/>
<rect
x="90.87"
y="33.71"
width="20.87"
height="63.36"
/>
<path
d="M109.76,5.34A11.82,11.82,0,0,0,106,2.92,12.52,12.52,0,0,0,101.3,2a11.5,11.5,0,0,0-4.71,1,13.54,13.54,0,0,0-3.81,2.48,10.4,10.4,0,0,0-2.55,3.62,11.22,11.22,0,0,0-.89,4.39,10.91,10.91,0,0,0,3.44,8.08,11.67,11.67,0,0,0,8.52,3.37A12.33,12.33,0,0,0,106,24a11.41,11.41,0,0,0,6.36-6,10.87,10.87,0,0,0,1-4.52,10.85,10.85,0,0,0-1-4.51A11.77,11.77,0,0,0,109.76,5.34Z"
/>
<path
d="M185,40.58A33.63,33.63,0,0,0,173.83,34a41.44,41.44,0,0,0-27.17,0,32.9,32.9,0,0,0-11.2,6.61,31.61,31.61,0,0,0-7.57,10.56,34,34,0,0,0-2.8,14,34.33,34.33,0,0,0,2.8,14.06,32.05,32.05,0,0,0,7.57,10.69,34.18,34.18,0,0,0,11.2,6.81,39.49,39.49,0,0,0,27.17,0A35,35,0,0,0,185,89.89a31.53,31.53,0,0,0,7.64-10.69,34.33,34.33,0,0,0,2.8-14.06,34,34,0,0,0-2.8-14A31.11,31.11,0,0,0,185,40.58ZM174.4,71.12a16.49,16.49,0,0,1-2.86,5.28,15.07,15.07,0,0,1-17.69,3.75,14,14,0,0,1-4.71-3.75,16.3,16.3,0,0,1-2.86-5.28,19.11,19.11,0,0,1,0-12,15.38,15.38,0,0,1,2.8-5.15,14.23,14.23,0,0,1,4.64-3.63,15.74,15.74,0,0,1,13,0A14.84,14.84,0,0,1,171.41,54a15.82,15.82,0,0,1,2.92,5.15,18.07,18.07,0,0,1,1,6A19.33,19.33,0,0,1,174.4,71.12Z"
/>
<path
d="M270.08,48.47a23.33,23.33,0,0,0-3.95-8.33A20.7,20.7,0,0,0,259,34.22a23.57,23.57,0,0,0-10.82-2.29,21.37,21.37,0,0,0-6.23.89,27.15,27.15,0,0,0-5.41,2.29,18.15,18.15,0,0,0-4.33,3.37,21.61,21.61,0,0,0-3,4h-.25V33.71H208.69V97.08h21V62.72a18.72,18.72,0,0,1,.7-5.15,13.74,13.74,0,0,1,2.1-4.39,9.9,9.9,0,0,1,3.5-3,10.56,10.56,0,0,1,4.9-1.08,9.08,9.08,0,0,1,4.64,1.08,7.59,7.59,0,0,1,2.86,2.93,14.08,14.08,0,0,1,1.47,4.26,28.71,28.71,0,0,1,.44,5.09V97.08h21V57.89A38,38,0,0,0,270.08,48.47Z"
/>
</clipPath>
<filter
id="blur"
filterUnits="userSpaceOnUse"
color-interpolation-filters="sRGB"
>
<feGaussianBlur stdDeviation="7"></feGaussianBlur>
</filter>
</defs>
</svg>
<svg
width="275"
height="100"
viewBox="0 0 275 100"
role="img"
aria-labelledby="dion-title-1"
aria-describedby="dion-desc-1"
>
<title id="dion-title-1">dion</title>
<desc id="dion-desc-1">
The letters are filled with an animated sinewave that
randomly changes its speed and amplitude
</desc>
<g clip-path="url(#dion-text)">
<rect width="100%" height="100%" class="logo-background" />
<rect
id="windowRect"
width="100%"
height="100%"
fill="pink"
fill-opacity="0.4"
stroke="pink"
stroke-width="2"
visibility="hidden"
/>
<path id="wavePath" d="" fill="none" class="wave" />
</g>
</svg>
<svg
width="275"
height="100"
viewBox="0 0 275 100"
role="img"
aria-labelledby="dion-title-2"
aria-describedby="dion-desc-2"
>
<title id="dion-title-2">dion</title>
<desc id="dion-desc-2">
The letters are filled with randomly appearing bubbles that
rise up and disappear
</desc>
<g clip-path="url(#dion-text)">
<rect width="100%" height="100%" class="logo-background" />
<g id="bubbles"></g>
</g>
</svg>
<svg
width="275"
height="100"
viewBox="0 0 275 100"
role="img"
aria-labelledby="dion-title-3"
aria-describedby="dion-desc-3"
>
<title id="dion-title-3">dion</title>
<desc id="dion-desc-3">
The letters are filled with randomly appearing angular
shapes that slowly rotate and fade out
</desc>
<g clip-path="url(#dion-text)">
<rect width="100%" height="100%" class="logo-background" />
<g id="shapes"></g>
</g>
</svg>
</header>
<main>
<a href="mailto:mail@diondiondion.com">Email</a> ·
<a href="https://github.com/diondiondion">Code</a> ·
<a href="https://play-duck.com">Duck</a> ·
<a href="https://medienwirksam.de/artist/dion">Beats</a>
</main>
<script>
// SETUP
const hasReducedMotion = window.matchMedia(
'(prefers-reduced-motion: reduce)'
).matches;
const DEBUG = false;
const X_RANGE = 275;
const Y_RANGE = 100;
const SINE_Y_RANGE = 60;
const MID_Y = 66;
const MID_X = round(X_RANGE / 2, 0);
const MIN_FREQ = 0.5;
const MAX_FREQ = 8;
const BUBBLE_MIN_RADIUS = 8;
const BUBBLE_MAX_RADIUS = 25;
const paddingFromEdges = 5;
const MAGIC_FREQ_SCALING_NUMBER = X_RANGE / (2 * Math.PI);
let amplitude = 1;
let frequency = (MAX_FREQ - MIN_FREQ) / 2;
const logoContainer = document.getElementById('logos');
const wavePath = document.getElementById('wavePath');
let slider;
let debugReadout;
if (DEBUG) {
debugReadout = document.createElement('div');
debugReadout.setAttribute('id', 'debugReadout');
insertAfter(debugReadout, logoContainer);
slider = document.createElement('input');
slider.setAttribute('type', 'range');
slider.setAttribute('min', MIN_FREQ);
slider.setAttribute('max', MAX_FREQ);
slider.setAttribute('step', 0.001);
slider.setAttribute('style', 'width: 80%');
slider.value = frequency;
slider.addEventListener('input', (event) => {
frequency = event.target.value;
});
insertAfter(slider, logoContainer);
const windowRect = document.getElementById('windowRect');
windowRect.setAttribute('visibility', 'visible');
}
// UTILS
function createSvgElement(elName) {
return document.createElementNS(
'http://www.w3.org/2000/svg',
elName
);
}
function insertAfter(newNode, referenceNode) {
referenceNode.parentNode.insertBefore(
newNode,
referenceNode.nextSibling
);
}
function getPathFromCoords(coords) {
return 'M' + coords.map((pair) => pair.join(',')).join(' L');
}
function easeInOutQuad(x) {
return x < 0.5 ? 2 * x * x : 1 - Math.pow(-2 * x + 2, 2) / 2;
}
function easeOut(x) {
return 1 - (1 - x) ** 2;
}
/**
* A modulo function that works with negative numbers
*/
function modulo(num, max) {
return num >= 0 ? num % max : ((num % max) + max) % max;
}
/**
* Rounds the first parameter to the number
* of decimals passed as the second parameter
*/
function round(num, places = 2) {
const x = Math.pow(10, places);
return Math.round(num * x) / x;
}
/**
* Returns a random number between the passed min & max values
*/
function random(min, max) {
return Math.random() * (max - min) + min;
}
function randomInt(min, max) {
return round(random(min, max), 0);
}
/**
* mix:
* Given a range (first two parameters) and a progress value
* between 0 and 1, return the value at the given progress
* value within the range.
*
* Examples:
* progress(10, 20, 0) === 10
* progress(10, 20, 0.5) === 15
* progress(10, 20, 1) === 20
*/
function mix(from, to, progress) {
return -progress * from + progress * to + from;
}
/**
* interpolate:
* Map ranges (passed as arrays) to each other.
* Returns a function that will take a value from the first range
* and return the corresponding value from the second range.
*/
function interpolate(inputRange, outputRange) {
const [from, to] = inputRange;
const [outFrom, outTo] = outputRange;
return (value) => {
const progress = value / (to - from);
return mix(outFrom, outTo, progress);
};
}
/**
* Returns the lowest multiple of the first passed number
* that is greater than the second passed number
*/
function getLowestMultiple(base, min) {
const rest = min % base;
return min + base - rest;
}
/**
* Create an animator function that mutates a value on each frame.
*
* @param {Function} onUpdate - Function to run on each frame.
* Receives a value and returns an updated value
* @param {any} initialValue - Value that the function is
* initialised with
*/
function getAnimator({
onUpdate = (v) => v + 1,
initialValue = 0,
} = {}) {
return function animate(callback) {
let value = initialValue;
function runAnimationLoop(currentTime) {
callback(value, currentTime);
value = onUpdate(value, currentTime);
requestAnimationFrame(runAnimationLoop);
}
requestAnimationFrame(runAnimationLoop);
};
}
/**
* Create an animator function that mutates a value from a start
* value to an end value over a specified duration (in ms).
* An easing function can be provided, too.
*
* @param {object} options
* @param {number} options.from - The initial value
* @param {number} options.to - The starting value
* @param {number} options.duration - Time in ms to complete the animation
* @param {Function} options.ease - Timing function to use
*
* @returns {Function} - Animator function called with the current
* value and the progress of the animation as a fraction
*/
function getDurationAnimator({
from = 0,
to = 1,
duration,
ease = easeInOutQuad,
}) {
return function animate(callback) {
const startTime = performance.now();
function runAnimationLoop(currentTime) {
const elapsedTime = currentTime - startTime;
const progress = elapsedTime / duration;
const easedProgress = ease(progress);
const value = mix(from, to, easedProgress);
callback(value, progress);
if (progress < 1) {
requestAnimationFrame(runAnimationLoop);
}
}
requestAnimationFrame(runAnimationLoop);
};
}
/**
* Creates an animator function that gradually changes a
* value from a random starting point to a random end point
* within an allowed range (min/max parameters).
*/
function getRandomShiftAnimator(min, max) {
return (callback) => {
let startingPoint;
function animate() {
const duration = random(3000, 5000);
const from = startingPoint || random(min, max);
const to = random(min, max);
getDurationAnimator({
duration,
from,
to,
})((value, progress) => {
if (progress < 1) {
callback(value, progress);
} else {
startingPoint = to;
setTimeout(animate, randomInt(100, 2000));
}
});
}
animate();
};
}
// RENDER SINE WAVE
const xPoints = [];
for (let i = 0; i <= X_RANGE; i++) {
xPoints.push(i);
}
function getSinePoint({x, time, frequency = 1, amplitude = 1}) {
const paddingFromEdges = 10;
const amp = (SINE_Y_RANGE / 2 - paddingFromEdges) * amplitude;
const scaledFrequency = frequency / MAGIC_FREQ_SCALING_NUMBER;
return Math.sin((x - time) * scaledFrequency) * amp + MID_Y;
}
let resyncOffsetX = 0;
function sine(time) {
const waveLength = X_RANGE / frequency;
// The window is the lowest multiple of X_RANGE
// that's large enough to fit one wave length
const windowLength = getLowestMultiple(X_RANGE, waveLength);
const cappedTime = modulo(time, windowLength);
if (cappedTime === 0) {
resyncOffsetX = modulo(
resyncOffsetX + modulo(windowLength, waveLength),
waveLength
);
}
const coords = xPoints.map((x) => {
const y = getSinePoint({
x: x - resyncOffsetX - MID_X,
time: cappedTime,
frequency,
amplitude,
});
return [x, y];
});
wavePath.setAttribute('d', getPathFromCoords(coords));
if (DEBUG) {
windowRect.setAttribute('x', cappedTime + resyncOffsetX);
windowRect.setAttribute('width', waveLength);
debugReadout.innerHTML = `
Frequency: ${round(frequency)}<br/>
Amplitude: ${round(amplitude)}<br/>
Time: ${round(time)}<br/>
Wavelength: ${round(waveLength)}<br/>
Window length: ${round(windowLength)}<br/>
Capped time: ${round(cappedTime)}<br/>
Resync offset: ${round(resyncOffsetX)}<br/>
`;
}
}
function animateWave() {
wavePath.animate([{opacity: 0}, {opacity: 1}], {
duration: 1000,
easing: 'ease',
});
const animateTime = getAnimator();
animateTime(sine);
const animateFrequencyShift = getRandomShiftAnimator(
MIN_FREQ,
MAX_FREQ
);
animateFrequencyShift((value) => {
frequency = value;
if (DEBUG) {
slider.value = frequency;
}
});
const animateAmplitudeShift = getRandomShiftAnimator(0.1, 0.95);
animateAmplitudeShift((value) => {
amplitude = value;
});
}
// RENDER BUBBLE
function createRandomBubble() {
const element = createSvgElement('circle');
const radius = randomInt(BUBBLE_MIN_RADIUS, BUBBLE_MAX_RADIUS);
const x = randomInt(0, X_RANGE) - Y_RANGE / 2;
const y = Y_RANGE + radius;
element.setAttribute('cx', x);
element.setAttribute('cy', y);
element.setAttribute('r', radius);
element.setAttribute('class', 'bubble');
return {
element,
radius,
x,
y,
};
}
const bubbleContainer = document.getElementById('bubbles');
function animateBubble(bubble) {
const {radius} = bubble;
bubbleContainer.insertBefore(bubble.element, null);
// Use lower opacity and speed for smaller bubbles
const getMaxOpacity = interpolate(
[BUBBLE_MIN_RADIUS, BUBBLE_MAX_RADIUS],
[0.6, 1]
);
const maxOpacity = round(getMaxOpacity(radius), 0);
const getDuration = interpolate(
[BUBBLE_MIN_RADIUS, BUBBLE_MAX_RADIUS],
[10000, 6000]
);
const duration = round(getDuration(radius), 0);
// fade-in
bubble.element.animate([{opacity: 0}, {opacity: maxOpacity}], {
duration: 800,
delay: randomInt(0, duration / 4),
easing: 'ease-out',
fill: 'backwards',
});
// move
const animation = bubble.element.animate(
[
{transform: 'translate(0, 0)'},
{
transform: `translate(100px, -${
Y_RANGE + radius * 2
}px)`,
},
],
{
duration,
delay: randomInt(0, 100),
easing: 'linear',
}
);
// fade-out
bubble.element.animate([{opacity: maxOpacity}, {opacity: 0}], {
duration: 400,
delay: duration - 500,
easing: 'ease',
fill: 'forwards',
});
// remove & re-spawn
animation.onfinish = () => {
bubbleContainer.removeChild(bubble.element);
animateBubble(createRandomBubble());
};
}
function animateBubbles() {
const bubbles = [
createRandomBubble(),
createRandomBubble(),
createRandomBubble(),
createRandomBubble(),
];
bubbles.forEach((bubble) => {
setTimeout(() => {
animateBubble(bubble);
}, randomInt(0, 1000));
});
}
function getRandomShapeCoords() {
const shapePoints = [];
for (let i = 0; i <= 3; i++) {
shapePoints.push(i);
}
return shapePoints.map(() => [
randomInt(0, X_RANGE),
randomInt(0, Y_RANGE),
]);
}
function createRandomBlurredShape(color, opacity) {
const shape = createSvgElement('path');
// shape.setAttribute('filter', 'url(#blur)');
shape.setAttribute(
'd',
getPathFromCoords(getRandomShapeCoords())
);
shape.setAttribute('fill', color);
shape.setAttribute('class', 'shape');
return shape;
}
const shapeContainer = document.getElementById('shapes');
function animateShape(color) {
const shape = createRandomBlurredShape(color);
shapeContainer.insertBefore(shape, null);
const duration = randomInt(2000, 8000);
// fade-in & out
shape.animate([{opacity: 0}, {opacity: 1}, {opacity: 0}], {
duration,
easing: 'ease-in',
fill: 'backwards',
});
// grow
const animation = shape.animate(
[
{transform: 'scale(1)'},
{
transform: `scale(${random(
1.3,
2.2
)}) rotate(${randomInt(-45, 45)}deg)`,
},
],
{
duration,
easing: 'linear',
fill: 'forwards',
}
);
animation.onfinish = () => {
shapeContainer.removeChild(shape);
animateShape(color);
};
}
function animateShapes() {
animateShape('var(--highlight3)');
animateShape('var(--highlight4)');
}
if (!hasReducedMotion) {
animateWave();
animateBubbles();
animateShapes();
}
/**
* References:
* https://simplabs.com/blog/2021/01/29/web-animations-intro/
*
* https://www.superhi.com/library/posts/how-to-draw-and-animate-an-svg-wave-using-javascript
*
* https://mattperry.is/writing-code/how-to-write-a-tween
*/
</script>
</body>
</html>