let video;

let predictions = [];

let canvas_w = 800;

let canvas_h = 600;

let video_w = 640;

let video_h = 480;

let margin_left = 50;

let margin_top = 50;

​

function setup() {

  createCanvas(canvas_w, canvas_h);

  video = createCapture(VIDEO);

  video.size(video_w, video_h);

​

  facemesh = ml5.facemesh(video, modelReady);

​

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

  // with an array every time new predictions are made

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

    predictions = results;

  });

​

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

  video.hide();

  background("purple");

}

​

​

function modelReady() {

  console.log("Model ready!");

}

​

function draw() {

  drawBackground();

​

  image(video, margin_left, margin_top, video_w, video_h);

  // We can call both functions to draw all keypoints

  drawKeypoints();

  drawForeground();

}

​

function star(x, y, radius1, radius2, npoints) {

  let angle = TWO_PI / npoints;

  let halfAngle = angle / 2.0;

  beginShape();

  for (let a = 0; a < TWO_PI; a += angle) {

    let sx = x + cos(a) * radius2;

    let sy = y + sin(a) * radius2;

    vertex(sx, sy);

    sx = x + cos(a + halfAngle) * radius1;

    sy = y + sin(a + halfAngle) * radius1;

    vertex(sx, sy);

  }

  endShape(CLOSE);

}

​

​

function drawForeground() {

  //circle(20, 20, random(width));

  translate(width/2, height/2);

  rotate(map(mouseX, 0, width, 0, 360) / 3.0);

  star(100, 100, map(mouseX, 0, width, 0, 60), map(mouseY, 0, width, 0, 100), 5);

  rotate(map(mouseY, 0, width, 0, 180) / 3.5);

  star(100, 100, map(mouseX, 0, width, 0, 60), map(mouseY, 0, width, 0, 100), 6);

  translate(width / 2, height / 2);

  rotate(map(mouseY, 0, width, 0, 360) / 4.0);

  star(100, 100, map(mouseX, 0, width, 0, 60), map(mouseY, 0, width, 0, 100), 7);

  rotate(map(mouseX, 0, width, 0, 180) / 4.5);

  star(100, 100, map(mouseX, 0, width, 0, 60), map(mouseY, 0, width, 0, 100), 8);

  translate(width / 2, height / 2);

  rotate(map(mouseX, 0, width, 0, 360) / 5.0);

  star(100, 100, map(mouseX, 0, width, 0, 60), map(mouseY, 0, width, 0, 100), 9);

}

​

function drawBackground() {

  background("rgb(0,0,0)");

  rotate(map(mouseX, 0, width, 0, 360) / 0);

  star(0, 0, map(mouseX, 0, width, 0, 400), map(mouseY, 0, width, 0, 600), 9);

star(800, 0, map(mouseX, 0, width, 0, 200), map(mouseY, 0, width, 0, 400), 8);

  star(0, 600, map(mouseX, 0, width, 0, 200), map(mouseY, 0, width, 0, 400), 9);

  star(800, 600, map(mouseX, 0, width, 0, 300), map(mouseY, 0, width, 0, 400), 9);

  //rect(random(width), 0, map(mouseX, 0, width, 10, 100), height);

}

​

// A function to draw ellipses over the detected keypoints

function drawKeypoints() {

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

    const keypoints = predictions[i].scaledMesh;

​

    // Draw facial keypoints.

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

      const [x, y] = keypoints[j];

      push();

      translate(margin_left, margin_top);

      fill(255, 255, 255);

      star(x, y, map(mouseX, 0, width, 0, 10),map(mouseY, 0, width, 0, 10),4);

      pop();

    }

  }

}

​