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{
  "you": 
  {
    "taunt": "", 
    "object": "snake", 
    "name": "My snake", 
    "length": 3, 
    "id": "7433f0fe-cdb8-46e1-9b3b-a4a43d483579", 
    "health": 100, 
    "body": {

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;; MELPA
(require 'package)

(add-to-list 'package-archives '("org" . "http://orgmode.org/elpa/"))
(add-to-list 'package-archives '("melpa" . "http://melpa.org/packages/"))
(add-to-list 'package-archives '("melpa-stable" . "http://stable.melpa.org/packages/"))

(setq package-enable-at-startup nil)
(package-initialize)

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// Javascript
navigator.mediaDevices.getUserMedia({
    video: {
      width:     ...,
      height:    ...,
      frameRate: ...
    }
  }
).then(function(stream) {
  let video = document.querySelector('video');

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 //javascript
  var canvas = document.querySelector('canvas');
  canvas.width  = ...;
  canvas.height = ...;

  var context = canvas.getContext('2d');

  context.drawImage(video, 0, 0, canvas.width, canvas.height);

  // video 'play' event listener

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  function draw(video, canvas, context, frameRate) {
    context.drawImage(video, 0, 0, canvas.width, canvas.height);

    setTimeout(draw, 1/frameRate, video, canvas, context, frameRate);
  }

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function.pixelate(image, canvas, context, pixelSize) {
  let wScaled, hScaled, scale;

  scale = 1/pixelSize;
  wScaled = canvas.width*scale;
  hScaled = canvas.height*scale;

  context.drawImage(image, 0, 0, wScaled, hScaled);
  context.mozImageSmoothingEnabled = false;
  context.imageSmoothingEnabled = false;

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function(context, threshold, width, height) {
    let image, data, r, g, b, color;

    image = context.getImageData(0, 0, width, height);

    data = image.data;

    for (let i = 0; i< data.length; i = i+4) {
      r = data[i];
      g = data[i+1];

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struct OptionSetHash: OptionSet, Hashable {
    let rawValue: Int
    
    var hashValue: Int {
        return self.rawValue
    }
    
    static let first  = OptionSetHash(rawValue: 1 << 0)
    static let second = OptionSetHash(rawValue: 1 << 1)
    static let third  = OptionSetHash(rawValue: 1 << 2)

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let DictionaryLookUp : [OptionSetHash: Bool] = [
    .first:  true,
    .second: false,
    .third:  true
]

// Example: cycling through options in a dictionary
var options = OptionSetHash.init(rawValue: 0)

for (key, value) in DictionaryLookUp {

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Canidae
Felidae
Cat
Cattle
Dog
Donkey
Goat
Guinea pig
Horse
Pig