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MboaAbel/index.html

Created July 11, 2022 19:05
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MediaPipe - Hands
Raw
index.html
<body>
<style>
.square-box {
width: 33%;
height: 0;
padding-top: 33%;
position: absolute;
right: 20px;
top: 20px;
}
.landmark-grid-container {
height: 100%;
width: 100%;
position: absolute;
top:0;
left:0;
background-color: #99999999;
}
</style>
<div class="container">
<video class="input_video"></video>
<canvas class="output_canvas" width="1280px" height="720px"></canvas>
<div class="loading">
<div class="spinner"></div>
<div class="message">
Loading
</div>
</div>
<a class="abs logo" href="http://www.mediapipe.dev" target="_blank">
<div style="display: flex;align-items: center;bottom: 0;right: 10px;">
<img class="logo" src="logo_white.png" alt="" style="
height: 50px;">
<span class="title">MediaPipe</span>
</div>
</a>
<div class="shoutout">
<div>
<a href="https://solutions.mediapipe.dev/pose">
Click here for more info
</a>
</div>
</div>
</div>
<div class="control-panel">
</div>
<div class='square-box'>
<div class="landmark-grid-container">
</div>
</div>
Raw
script.typescript
import DeviceDetector from "https://cdn.skypack.dev/[email protected]";
const mpHands = window;
const drawingUtils = window;
const controls = window;
const controls3d = window;
// Usage: testSupport({client?: string, os?: string}[])
// Client and os are regular expressions.
// See: https://cdn.jsdelivr.net/npm/[email protected]/README.md for
// legal values for client and os
testSupport([
{client: 'Chrome'},
]);
function testSupport(supportedDevices:{client?: string; os?: string;}[]) {
const deviceDetector = new DeviceDetector();
const detectedDevice = deviceDetector.parse(navigator.userAgent);
let isSupported = false;
for (const device of supportedDevices) {
if (device.client !== undefined) {
const re = new RegExp(`^${device.client}$`);
if (!re.test(detectedDevice.client.name)) {
continue;
}
}
if (device.os !== undefined) {
const re = new RegExp(`^${device.os}$`);
if (!re.test(detectedDevice.os.name)) {
continue;
}
}
isSupported = true;
break;
}
if (!isSupported) {
alert(`This demo, running on ${detectedDevice.client.name}/${detectedDevice.os.name}, ` +
`is not well supported at this time, continue at your own risk.`);
}
}
// Our input frames will come from here.
const videoElement =
document.getElementsByClassName('input_video')[0] as HTMLVideoElement;
const canvasElement =
document.getElementsByClassName('output_canvas')[0] as HTMLCanvasElement;
const controlsElement =
document.getElementsByClassName('control-panel')[0] as HTMLDivElement;
const canvasCtx = canvasElement.getContext('2d')!;
const config = {locateFile: (file: string) => {
return `https://cdn.jsdelivr.net/npm/@mediapipe/hands@${mpHands.VERSION}/${file}`;
}};
// We'll add this to our control panel later, but we'll save it here so we can
// call tick() each time the graph runs.
const fpsControl = new controls.FPS();
// Optimization: Turn off animated spinner after its hiding animation is done.
const spinner = document.querySelector('.loading')! as HTMLDivElement;
spinner.ontransitionend = () => {
spinner.style.display = 'none';
};
const landmarkContainer = document.getElementsByClassName(
'landmark-grid-container')[0] as HTMLDivElement;
const grid = new controls3d.LandmarkGrid(landmarkContainer, {
connectionColor: 0xCCCCCC,
definedColors:
[{name: 'Left', value: 0xffa500}, {name: 'Right', value: 0x00ffff}],
range: 0.2,
fitToGrid: false,
labelSuffix: 'm',
landmarkSize: 2,
numCellsPerAxis: 4,
showHidden: false,
centered: false,
});
function onResults(results: mpHands.Results): void {
// Hide the spinner.
document.body.classList.add('loaded');
// Update the frame rate.
fpsControl.tick();
// Draw the overlays.
canvasCtx.save();
canvasCtx.clearRect(0, 0, canvasElement.width, canvasElement.height);
canvasCtx.drawImage(
results.image, 0, 0, canvasElement.width, canvasElement.height);
if (results.multiHandLandmarks && results.multiHandedness) {
for (let index = 0; index < results.multiHandLandmarks.length; index++) {
const classification = results.multiHandedness[index];
const isRightHand = classification.label === 'Right';
const landmarks = results.multiHandLandmarks[index];
drawingUtils.drawConnectors(
canvasCtx, landmarks, mpHands.HAND_CONNECTIONS,
{color: isRightHand ? '#00FF00' : '#FF0000'});
drawingUtils.drawLandmarks(canvasCtx, landmarks, {
color: isRightHand ? '#00FF00' : '#FF0000',
fillColor: isRightHand ? '#FF0000' : '#00FF00',
radius: (data: drawingUtils.Data) => {
return drawingUtils.lerp(data.from!.z!, -0.15, .1, 10, 1);
}
});
}
}
canvasCtx.restore();
if (results.multiHandWorldLandmarks) {
// We only get to call updateLandmarks once, so we need to cook the data to
// fit. The landmarks just merge, but the connections need to be offset.
const landmarks = results.multiHandWorldLandmarks.reduce(
(prev, current) => [...prev, ...current], []);
const colors = [];
let connections: mpHands.LandmarkConnectionArray = [];
for (let loop = 0; loop < results.multiHandWorldLandmarks.length; ++loop) {
const offset = loop * mpHands.HAND_CONNECTIONS.length;
const offsetConnections =
mpHands.HAND_CONNECTIONS.map(
(connection) =>
[connection[0] + offset, connection[1] + offset]) as
mpHands.LandmarkConnectionArray;
connections = connections.concat(offsetConnections);
const classification = results.multiHandedness[loop];
colors.push({
list: offsetConnections.map((unused, i) => i + offset),
color: classification.label,
});
}
grid.updateLandmarks(landmarks, connections, colors);
} else {
grid.updateLandmarks([]);
}
}
const hands = new mpHands.Hands(config);
hands.onResults(onResults);
// Present a control panel through which the user can manipulate the solution
// options.
new controls
.ControlPanel(controlsElement, {
selfieMode: true,
maxNumHands: 2,
modelComplexity: 1,
minDetectionConfidence: 0.5,
minTrackingConfidence: 0.5
})
.add([
new controls.StaticText({title: 'MediaPipe Hands'}),
fpsControl,
new controls.Toggle({title: 'Selfie Mode', field: 'selfieMode'}),
new controls.SourcePicker({
onFrame:
async (input: controls.InputImage, size: controls.Rectangle) => {
const aspect = size.height / size.width;
let width: number, height: number;
if (window.innerWidth > window.innerHeight) {
height = window.innerHeight;
width = height / aspect;
} else {
width = window.innerWidth;
height = width * aspect;
}
canvasElement.width = width;
canvasElement.height = height;
await hands.send({image: input});
},
}),
new controls.Slider({
title: 'Max Number of Hands',
field: 'maxNumHands',
range: [1, 4],
step: 1
}),
new controls.Slider({
title: 'Model Complexity',
field: 'modelComplexity',
discrete: ['Lite', 'Full'],
}),
new controls.Slider({
title: 'Min Detection Confidence',
field: 'minDetectionConfidence',
range: [0, 1],
step: 0.01
}),
new controls.Slider({
title: 'Min Tracking Confidence',
field: 'minTrackingConfidence',
range: [0, 1],
step: 0.01
}),
])
.on(x => {
const options = x as mpHands.Options;
videoElement.classList.toggle('selfie', options.selfieMode);
hands.setOptions(options);
});
Raw
style.scss
@keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
.abs {
position: absolute;
}
a {
color: white;
text-decoration: none;
&:hover {
color: lightblue;
}
}
body {
bottom: 0;
font-family: 'Titillium Web', sans-serif;
color: white;
left: 0;
margin: 0;
position: absolute;
right: 0;
top: 0;
transform-origin: 0px 0px;
overflow: hidden;
}
.container {
position: absolute;
background-color: #596e73;
width: 100%;
max-height: 100%;
}
.input_video {
display: none;
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
&.selfie {
transform: scale(-1, 1);
}
}
.input_image {
position: absolute;
}
.canvas-container {
display:flex;
height: 100%;
width: 100%;
justify-content: center;
align-items:center;
}
.output_canvas {
width: 100%;
display: block;
position: relative;
left: 0;
top: 0;
}
.logo {
bottom: 10px;
right: 20px;
.title {
color: white;
font-size: 28px;
}
.subtitle {
position: relative;
color: white;
font-size: 10px;
left: -30px;
top: 20px;
}
}
.control-panel {
position: absolute;
left: 10px;
top: 10px;
}
.loading {
display: flex;
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
align-items: center;
backface-visibility: hidden;
justify-content: center;
opacity: 1;
transition: opacity 1s;
.message {
font-size: x-large;
}
.spinner {
position: absolute;
width: 120px;
height: 120px;
animation: spin 1s linear infinite;
border: 32px solid #bebebe;
border-top: 32px solid #3498db;
border-radius: 50%;
}
}
.loaded .loading {
opacity: 0;
}
.shoutout {
left: 0;
right: 0;
bottom: 40px;
text-align: center;
font-size: 24px;
position: absolute;
}
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