folk-canvas/website/canvas/proximity-based-music.html

144 lines
4.2 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Proximity Music</title>
<style>
html {
height: 100%;
}
body {
min-height: 100%;
position: relative;
margin: 0;
}
folk-shape:has(record-player) {
box-shadow: 10px 0px 150px 0px rgba(0, 0, 0, 0.61);
&::part(resize-top-left),
&::part(resize-top-right),
&::part(resize-bottom-right),
&::part(resize-bottom-left) {
display: none;
}
}
folk-shape > video {
height: 100%;
}
</style>
</head>
<body>
<folk-shape x="100" y="75" width="330" height="198">
<record-player>
<audio src="/Feather.mov"></audio>
</record-player>
</folk-shape>
<folk-shape x="25" y="300" width="166" height="200">
<video loop>
<source src="/dancing-flower.mov" type="video/quicktime" />
<source src="/dancing-flower.webm" type="video/webm" />
</video>
</folk-shape>
<folk-shape x="155" y="315" width="166" height="200">
<video loop>
<source src="/dancing-flower.mov" type="video/quicktime" />
<source src="/dancing-flower.webm" type="video/webm" />
</video>
</folk-shape>
<folk-shape x="280" y="305" width="166" height="200">
<video loop>
<source src="/dancing-flower.mov" type="video/quicktime" />
<source src="/dancing-flower.webm" type="video/webm" />
</video>
</folk-shape>
<script type="module">
import './src/record-player.ts';
import '@labs/standalone/folk-shape.ts';
import { aabbIntersection } from '@lib/common/collision.ts';
let proximityDistance = 150;
const proximitySet = new Set();
const recordPlayerGeometry = document.querySelector('folk-shape:has(record-player)');
const recordPlayer = recordPlayerGeometry.firstElementChild;
const flowers = document.querySelectorAll('folk-shape:has(video)');
// set playback rate when video is ready
function setPlayback(e) {
e.target.playbackRate = (91 / 60) * e.target.duration;
e.target.removeEventListener('canplay', setPlayback);
}
flowers.forEach((el) => {
el.firstElementChild.addEventListener('canplay', setPlayback);
});
function updateFlowerProximity(flower) {
const alreadyIntersection = proximitySet.has(flower);
// TODO: refactor this hack once resizing and the vertices API are figured out
const isNowIntersecting = aabbIntersection(
recordPlayerGeometry.getTransformDOMRect(),
flower.getTransformDOMRect(),
proximityDistance
);
const video = flower.firstElementChild;
if (isNowIntersecting && !alreadyIntersection) {
proximitySet.add(flower);
if (!recordPlayer.paused) {
video.play();
}
} else if (alreadyIntersection && !isNowIntersecting) {
proximitySet.delete(flower);
video.pause();
}
}
function updateRecordPlayerProximity() {
proximitySet.forEach((el) => el.firstElementChild.pause?.());
proximitySet.clear();
for (const flower of flowers) {
updateFlowerProximity(flower);
}
}
function handleProximity(e) {
if (e.target === recordPlayerGeometry) {
updateRecordPlayerProximity();
} else {
updateFlowerProximity(e.target);
}
}
document.addEventListener('transform', handleProximity);
document.addEventListener('playing', (e) => {
proximitySet.forEach((el) => el.firstElementChild.play?.());
});
document.addEventListener('stopped', (e) => {
proximitySet.forEach((el) => {
el.firstElementChild.pause?.();
el.firstElementChild.currentTime = 0;
});
});
function updateVolume() {
proximityDistance = recordPlayer.volume * 500;
updateRecordPlayerProximity();
}
updateVolume();
document.addEventListener('volume', updateVolume);
</script>
</body>
</html>