Merge pull request #1256 from CodingTrain/pixels-topics

Cleaning up Pixels Topics

Author: shiffman

content/videos/challenges/102-2d-water-ripple/index.json

@@ -5,7 +5,7 @@
   "videoId": "BZUdGqeOD0w",
   "date": "2018-05-07",
   "languages": ["Processing"],
-  "topics": ["2D water ripple", "cellular automaton"],
+  "topics": ["2D water ripple", "cellular automaton", "pixels"],
   "canContribute": true,
   "relatedChallenges": ["24-perlin-noise-flow-field", "85-the-game-of-life", "103-fire-effect"],
   "timestamps": [

content/videos/challenges/103-fire-effect/index.json

@@ -5,7 +5,7 @@
   "videoId": "X0kjv0MozuY",
   "date": "2018-05-14",
   "languages": ["Processing", "p5.js"],
-  "topics": ["fire simulation", "Perlin noise"],
+  "topics": ["fire simulation", "Perlin noise", "pixels"],
   "canContribute": true,
   "relatedChallenges": ["102-2d-water-ripple", "132-fluid-simulation"],
   "timestamps": [

content/videos/challenges/132-fluid-simulation/index.json

@@ -5,7 +5,7 @@
   "videoId": "alhpH6ECFvQ",
   "date": "2019-02-12",
   "languages": ["Processing"],
-  "topics": ["fluid simulation", "turbulent fluid flow"],
+  "topics": ["fluid simulation", "turbulent fluid flow", "pixels"],
   "canContribute": true,
   "relatedChallenges": ["24-perlin-noise-flow-field", "102-2d-water-ripple", "103-fire-effect"],
   "timestamps": [

content/videos/challenges/47-pixel-sorting-in-processing/index.json

@@ -6,7 +6,7 @@
   "nebulaSlug": "the-coding-train-47-pixel-sorting-in-processing",
   "date": "2016-12-21",
   "languages": ["Processing", "Java"],
-  "topics": ["pixel sorting", "selection sort"],
+  "topics": ["pixel sorting", "selection sort", "pixels"],
   "canContribute": true,
   "relatedChallenges": ["114-bubble-sort-visualization"],
   "timestamps": [

content/videos/challenges/49-photo-mosaic-with-white-house-social-media-images/index.json

@@ -5,7 +5,7 @@
   "videoId": "nnlAH1zDBDE",
   "date": "2017-01-06",
   "languages": ["Java", "Processing"],
-  "topics": ["pixel array", "image processing"],
+  "topics": ["pixel array", "image processing", "pixels"],
   "canContribute": true,
   "relatedChallenges": ["47-pixel-sorting-in-processing", "50-animated-circle-packing", "90-dithering"],
   "timestamps": [

content/videos/challenges/50-animated-circle-packing/index.json

@@ -5,7 +5,7 @@
   "videoId": "",
   "date": "2017-01-09",
   "languages": ["Processing"],
-  "topics": ["load pixels", "circle packing", "processing pixels"],
+  "topics": ["circle packing", "pixels"],
   "canContribute": true,
   "relatedChallenges": ["47-pixel-sorting-in-processing", "49-photo-mosaic-with-white-house-social-media-images"],
   "timestamps": [],

content/videos/pixels/brightness-mirror/index.json

@@ -5,7 +5,7 @@
   "nebulaSlug": "",
   "date": "2016-03-31",
   "languages": ["JavaScript"],
-  "topics": ["p5.js", "pixel array"],
+  "topics": ["p5.js", "pixel array", "pixels"],
   "canContribute": true,
   "relatedChallenges": ["47-pixel-sorting-in-processing", "102-2d-water-ripple"],
   "timestamps": [

content/videos/pixels/checkbox-mirror/index.json

@@ -5,7 +5,7 @@
   "nebulaSlug": "",
   "date": "2016-03-31",
   "languages": ["JavaScript"],
-  "topics": ["p5.js", "pixel array", "dom"],
+  "topics": ["p5.js", "pixel array", "dom", "pixels"],
   "canContribute": true,
   "relatedChallenges": ["47-pixel-sorting-in-processing", "102-2d-water-ripple"],
   "timestamps": [

content/videos/pixels/createCapture/index.json

@@ -5,7 +5,7 @@
   "nebulaSlug": "",
   "date": "2016-03-31",
   "languages": ["JavaScript"],
-  "topics": ["p5.js", "video", "createCapture"],
+  "topics": ["p5.js", "video", "createCapture", "pixels"],
   "canContribute": true,
   "relatedChallenges": ["47-pixel-sorting-in-processing", "102-2d-water-ripple", "166-image-to-ascii"],
   "timestamps": [

content/videos/pixels/painting-with-pixels/index.json

@@ -5,9 +5,16 @@
   "nebulaSlug": "",
   "date": "2016-04-06",
   "languages": ["JavaScript"],
-  "topics": ["p5.js", "pixel array"],
+  "topics": ["p5.js", "pixel array", "pixels"],
   "canContribute": true,
-  "relatedChallenges": ["52-random-walker", "50-animated-circle-packing", "78-simple-particle-system", "90-dithering", "102-2d-water-ripple", "132-fluid-simulation"],
+  "relatedChallenges": [
+    "52-random-walker",
+    "50-animated-circle-packing",
+    "78-simple-particle-system",
+    "90-dithering",
+    "102-2d-water-ripple",
+    "132-fluid-simulation"
+  ],
   "timestamps": [
     {
       "time": "0:00",