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index.html
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<!DOCTYPE html><html lang="en"><head>
<script src="tfjs-core"></script>
<script src="tfjs-converter"></script>
<script src="handpose"></script>
<script src="p5.js"></script>
<script src="p5.sound.min.js"></script>
<script>
var video;
var myCanvas;
var ctx;
var modelH;
var pred_interval;
var preds;
var indexFingerX = 300;
var indexFingerY = 290;
var centreDist = 0;
var myVector;
var status = 0;
async function init() {
video = document.getElementById('video_frame');
if(navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
// Not adding `{ audio: true }` since we only want video now
navigator.mediaDevices.getUserMedia({ video: true, width: 530, height: 400 }).then(function(stream) {
video.srcObject = stream;
video.play();
});
}
// Load the MediaPipe handpose modelH.
modelH = await handpose.load();
var region = new Path2D();
myCanvas = document.getElementById("dirVector");
ctx = myCanvas.getContext("2d");
ctx.beginPath();
ctx.arc(260, 200, 30, 0, 2 * Math.PI);
ctx.strokeStyle = "green";
ctx.stroke();
ctx.beginPath();
ctx.arc(260, 200, 160, 0, 2 * Math.PI);
ctx.strokeStyle = "red";
ctx.stroke();
region.moveTo(260, 200);
myVector = createVector(0, 0);
}
async function main() {
const predictions = await modelH.estimateHands(video);
return predictions
}
function get_predictions() {
predictions = main();
var region = new Path2D();
region.moveTo(260, 200);
predictions.then(function(val){
if (val.length > 0){
preds = val[0];
indexFingerX = preds["landmarks"][5][0]
indexFingerY = preds["landmarks"][5][1]
centreDist = sqrt((-indexFingerX+300)*(-indexFingerX+300)+(-indexFingerY+290)*(-indexFingerY+290));
myVector.x = -indexFingerX+300;
myVector.y = -indexFingerY+290;
if(myVector.mag()>160) myVector.setMag(160);
// document.getElementById("show").innerHTML = centreDist;
ctx.clearRect(0, 0, myCanvas.width, myCanvas.height);
ctx.fillStyle = "#FF0000";
ctx.beginPath();
ctx.arc(260, 200, 30, 0, 2 * Math.PI);
ctx.strokeStyle = "green";
ctx.stroke();
ctx.beginPath();
ctx.arc(260, 200, 160, 0, 2 * Math.PI);
ctx.strokeStyle = "red";
ctx.stroke();
region.lineTo(-myVector.x+260, -myVector.y+200);
ctx.strokeStyle = "black";
ctx.stroke(region);
}
});
}
function start_pred() {
pred_interval = window.setInterval(() => get_predictions(), 1000/10)
document.getElementById("button").innerHTML = "Pause";
status = 1;
}
function stop_pred() {
document.getElementById("button").innerHTML = "Resume";
status = 0;
}
function begin_game(){
if (status == 0){
start_pred();
}
else{
stop_pred();
}
}
</script>
<link rel="stylesheet" type="text/css" href="style.css">
<meta charset="utf-8">
</head>
<body onload="init()">
<div class="clearfix" id="mainparent">
<script src="sketch.js"></script>
<script src="Car.js"></script>
<script src="Food.js"></script>
<script src="Enemy.js"></script>
<div class="videoPart">
<video id="video_frame" width="530" height="400" autoplay="" playsinline=""></video>
<div id="button" onclick="begin_game()">Start</div>
<div id="show" width="530">The tip of your index finger determines the direction and speed.</div>
<canvas id="dirVector" width="530" height="400"> </canvas>
</div>
</div>
</body></html>