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// Copyright (c) 2018 ml5
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT
/* ===
ml5 Example
PoseNet example using p5.js
=== */
let video;
let poseNet;
let poses = [];
let skeletons = [];
function setup() {
createCanvas(640, 480);
video = createCapture(VIDEO);
video.size(width, height);
// Create a new poseNet method with a single detection
poseNet = ml5.poseNet(video, 'single', gotPoses);
// Hide the video element, and just show the canvas
video.hide();
}
function draw() {
image(video, 0, 0, width, height);
// We can call both functions to draw all keypoints and the skeletons
drawKeypoints();
drawSkeleton();
}
// A function to draw ellipses over the detected keypoints
function drawKeypoints() {
// Loop through all the poses detected
for (let i = 0; i < poses.length; i++) {
// For each pose detected, loop through all the keypoints
for (let j = 0; j < poses[i].pose.keypoints.length; j++) {
// A keypoint is an object describing a body part (like rightArm or leftShoulder)
let keypoint = poses[i].pose.keypoints[j];
// Only draw an ellipse is the pose probability is bigger than 0.2
if (keypoint.score > 0.2) {
fill(255, 0, 0);
noStroke();
ellipse(keypoint.position.x, keypoint.position.y, 10, 10);
}
}
}
}
// A function to draw the skeletons
function drawSkeleton() {
// Loop through all the skeletons detected
for (let i = 0; i < poses.length; i++) {
// For every skeleton, loop through all body connections
for (let j = 0; j < poses[i].skeleton.length; j++) {
let partA = poses[i].skeleton[j][0];
let partB = poses[i].skeleton[j][1];
stroke(255, 0, 0);
line(partA.position.x, partA.position.y, partB.position.x, partB.position.y);
}
}
}
// The callback that gets called every time there's an update from the model
function gotPoses(results) {
poses = results;
}