Face-Detection-Using-Javascript/index.html at master · vimaltiwari2612/Face-Detection-Using-Javascript · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <title>Face Filter</title>
    </head>

    <body>
        <script src="https://cdn.jsdelivr.net/npm/p5@1.0.0/lib/p5.min.js"></script>
        <script src="https://cdn.jsdelivr.net/npm/clmtrackr@1.1.2/build/clmtrackr.min.js"></script>
		<script>


			let outputWidth;
			let outputHeight;

			let faceTracker; // Face Tracking
			let videoInput;

			let imgSpidermanMask; // Spiderman Mask Filter
			let imgIronManColor;
			let imgIronManBlack;
			let imgTonyStark;
			let imgDoctorStrangeRing;

			let imgDogEarRight, imgDogEarLeft, imgDogNose; // Dog Face Filter

			let selected = -1; // Default no filter

			/*
			 * **p5.js** library automatically executes the `preload()` function. Basically, it is used to load external files. In our case, we'll use it to load the images for our filters and assign them to separate variables for later use.
			*/
			function preload()
			{
			  // Spiderman Mask Filter asset
			  imgSpidermanMask = loadImage("https://i.ibb.co/9HB2sSv/spiderman-mask-1.png");

			  // Dog Face Filter assets
			  imgDogEarRight = loadImage("https://i.ibb.co/bFJf33z/dog-ear-right.png");
			  imgDogEarLeft = loadImage("https://i.ibb.co/dggwZ1q/dog-ear-left.png");
			  imgDogNose = loadImage("https://i.ibb.co/PWYGkw1/dog-nose.png");

			  imgIronManColor = loadImage("https://i.ibb.co/94nmYcH/iron-man-color.png");
			  imgIronManBlack = loadImage("https://i.ibb.co/C9d7s03/iron-man-black.png");
			  imgTonyStark = loadImage("https://i.ibb.co/BLzQ6Ty/tony-stark.png");
			  imgDoctorStrangeRing = loadImage("https://i.ibb.co/23YKPZ9/doctor-strange-ring.png");
			}

			/**
			 * In p5.js, `setup()` function is executed at the beginning of our program, but after the `preload()` function.
			*/
			function setup()
			{
			  const maxWidth = Math.min(windowWidth, windowHeight);
			  pixelDensity(1);
			  outputWidth = maxWidth;
			  outputHeight = maxWidth * 0.75; // 4:3

			  createCanvas(outputWidth, outputHeight);

			  // webcam capture
			  videoInput = createCapture(VIDEO);
			  videoInput.size(outputWidth, outputHeight);
			  videoInput.hide();

			  // select filter
			  const sel = createSelect();
			  const selectList = ['Spiderman Mask', 'Dog Filter', 'Iron Man Red' , 'Iron Man Black' ,'Tony Stark' , 'Doctor Strange Ring']; // list of filters
			  sel.option('Select Filter', -1); // Default no filter
			  for (let i = 0; i < selectList.length; i++)
			  {
				sel.option(selectList[i], i);
			  }
			  sel.changed(applyFilter);

			  // tracker
			  faceTracker = new clm.tracker();
			  faceTracker.init();
			  faceTracker.start(videoInput.elt);
			}

			// callback function
			function applyFilter()
			{
			  selected = this.selected(); // change filter type
			}

			/*
			 * In p5.js, draw() function is executed after setup(). This function runs inside a loop until the program is stopped.
			*/
			function draw()
			{
			  image(videoInput, 0, 0, outputWidth, outputHeight); // render video from webcam

			  // apply filter based on choice
			  switch(selected)
			  {
				case '-1': break;
				case '0': drawSpidermanMask(); break;
				case '1': drawDogFace(); break;
				case '2': drawIronMan(true); break;
				case '3': drawIronMan(false); break;
				case '4': drawTonyStark(); break;
				case '5': drawDoctorStrangeRing();break;
			  }
			}

			// Spiderman Mask Filter
			function drawSpidermanMask()
			{
			  const positions = faceTracker.getCurrentPosition();
			  if (positions !== false)
			  {
				push();
				const wx = Math.abs(positions[13][0] - positions[1][0]) * 1.2; // The width is given by the face width, based on the geometry
				const wy = Math.abs(positions[7][1] - Math.min(positions[16][1], positions[20][1])) * 1.2; // The height is given by the distance from nose to chin, times 2
				translate(-wx/2, -wy/2);
				image(imgSpidermanMask, positions[62][0], positions[62][1], wx, wy); // Show the mask at the center of the face
				pop();
			  }
			}

			// Spiderman Mask Filter
			function drawIronMan(val)
			{
			  const positions = faceTracker.getCurrentPosition();
			  if (positions !== false)
			  {
				push();
				const wx = Math.abs(positions[13][0] - positions[1][0]) * 1.2; // The width is given by the face width, based on the geometry
				const wy = Math.abs(positions[7][1] - Math.min(positions[16][1], positions[20][1])) * 1.2; // The height is given by the distance from nose to chin, times 2
				translate(-wx/2, -wy/2);
				image((val)?imgIronManColor:imgIronManBlack, positions[62][0], positions[62][1], wx, wy); // Show the mask at the center of the face
				pop();
			  }
			}

			// Spiderman Mask Filter
			function drawTonyStark()
			{

			  const positions = faceTracker.getCurrentPosition();
			  if (positions !== false)
			  {
				push();
				const wx = Math.abs(positions[13][0] - positions[1][0]) * 1.2; // The width is given by the face width, based on the geometry
				const wy = Math.abs(positions[7][1] - Math.min(positions[16][1], positions[20][1])) * 1.2; // The height is given by the distance from nose to chin, times 2
				translate(-wx/2, -wy/2);
				image(imgTonyStark, positions[62][0], positions[62][1], wx, wy); // Show the mask at the center of the face
				pop();
			  }
			}

			function drawDoctorStrangeRing(){
			   const positions = faceTracker.getCurrentPosition();
			  if (positions !== false)
			  {
				push();
				const wx = Math.abs(positions[13][0] - positions[1][0]) * 1.2; // The width is given by the face width, based on the geometry
				const wy = Math.abs(positions[7][1] - Math.min(positions[16][1], positions[20][1])) * 1.2; // The height is given by the distance from nose to chin, times 2
				translate(-wx/2, -wy/2);
				image(imgDoctorStrangeRing, positions[62][0], positions[62][1], wx, wy); // Show the mask at the center of the face
				pop();
			  }
			}

			// Dog Face Filter
			function drawDogFace()
			{
			  const positions = faceTracker.getCurrentPosition();
			  if (positions !== false)
			  {
				if (positions.length >= 20) {
				  push();
				  translate(-100, -150); // offset adjustment
				  image(imgDogEarRight, positions[20][0], positions[20][1]);
				  pop();
				}

				if (positions.length >= 16) {
				  push();
				  translate(-20, -150); // offset adjustment
				  image(imgDogEarLeft, positions[16][0], positions[16][1]);
				  pop();
				}

				if (positions.length >= 62) {
				  push();
				  translate(-57, -20); // offset adjustment
				  image(imgDogNose, positions[62][0], positions[62][1]);
				  pop();
				}
			  }
			}

			function windowResized()
			{
			  const maxWidth = Math.min(windowWidth, windowHeight);
			  pixelDensity(1);
			  outputWidth = maxWidth;
			  outputHeight = maxWidth * 0.75; // 4:3
			  resizeCanvas(outputWidth, outputHeight);
			}


		</script>
    </body>
</html>