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'use strict';

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let video;

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let poseNet;

let noseX = 0;

let noseY = 0;

let eyelX = 0;

let eyelY = 0;

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var x = 0;

var y = 0;

var stepSize = 9.0;

var font = 'Georgia';

var letters = 'مریمی';

var fontSizeMin = 8;

var angleDistortion = 0.0;

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var counter = 0;

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function setup() {

  createCanvas(640, 480);

  video = createCapture(VIDEO);

  video.hide();

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  poseNet = ml5.poseNet(video, modelReady);

  poseNet.on('pose', gotPoses);

  background(139,0,139);

  textFont(font);

  textAlign(LEFT);

  fill(255);

}

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function gotPoses(poses) {

  if (poses.length > 0) {

    let pose = poses[0].pose;

    noseX = lerp(noseX, pose.nose.x, 0.5);

    noseY = lerp(noseY, pose.nose.y, 0.5);

    eyelX = lerp(eyelX, pose.leftEye.x, 0.5);

    eyelY = lerp(eyelY, pose.leftEye.y, 0.5);

  }

}

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function modelReady() {

  console.log('model ready');

}

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function draw() {

  //push();

  //translate(width,0);

  //scale(-1, 1);

  image(video,0, 410,100,70);

  tint(139,0,139,90);

  //pop();

  // if (mouseIsPressed) {

    var d = dist(x,y,noseX,noseY);

    textSize(fontSizeMin + d / 2);

    var newLetter = letters.charAt(counter);

    stepSize = textWidth(newLetter);

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    if (d > stepSize) {

      var angle = atan2(noseY - y, noseX - x);

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      push();

      translate(x, y);

      rotate(angle + random(angleDistortion));

      text(newLetter, 0, 0);

      pop();

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      counter++;

      if (counter >= letters.length) counter = 0;

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      x = x + cos(angle) * stepSize;

      y = y + sin(angle) * stepSize;

    }

  // }

  let d1 = dist(noseX, noseY, eyelX, eyelY);

​

  //ellipse(mouseX, mouseY, d1);

  //fill(0,0,255);

  //ellipse(eyelX, eyelY, 50);

​

​

}