// https://learn.ml5js.org/#/reference/handpose

// https://editor.p5js.org/ml5/sketches/Handpose_Webcam

​

let handpose;

let video;

let predictions = [];

​

function setup() {

  createCanvas(640, 480);

  video = createCapture(VIDEO);

  video.size(width, height);

​

  handpose = ml5.handpose(video, modelReady);

​

  // This sets up an event that fills the global variable "predictions"

  // with an array every time new hand poses are detected

  handpose.on("predict", (results) => {

    predictions = results;

  });

​

  // Hide the video element, and just show the canvas

  video.hide();

}

​

function modelReady() {

  console.log("Model ready!");

}

​

function draw() {

  image(video, 0, 0, width, height);

​

  // We can call both functions to draw all keypoints and the skeletons

  drawKeypoints();

​

​

}

​

// A function to draw ellipses over the detected keypoints

function drawKeypoints() {

  for (let i = 0; i < predictions.length; i += 1) {

    const prediction = predictions[i];

    for (let j = 0; j < prediction.landmarks.length; j += 1) {

      const keypoint = prediction.landmarks[j];

​

      fill(0, 255, 0);

      noStroke();

      ellipse(keypoint[0], keypoint[1], 10, 10);

    }

  }

}

​

​