Actually use eslint and fix errors

.eslintrc.json

@@ -1,4 +1,5 @@
 {
+  "extends": "standard",
   "parserOptions": {
     "ecmaVersion": 6,
     "sourceType": "module",
@@ -7,6 +8,7 @@
     }
   },
   "rules": {
-    "semi": "always"
+    "semi": ["error", "always"],
+    "indent": ["error", 4]
   }
 }

.eslintrc.yml

@@ -1,4 +0,0 @@
-extends: standard
-plugins:
-  - standard
-  - promise

.gitignore

@@ -0,0 +1 @@
+node_modules

js/field.js

@@ -1,32 +1,31 @@
-var renderer,
+var renderer;
-  stage,
+var stage;
-  screenWidth,
+var screenWidth;
-  screenHeight,
+var screenHeight;
-  counter,
+var counter;
-  totalScreenPixels,
+var totalScreenPixels;
-  cycleDuration,
+var cycleDuration;
-  connectionDistance,
+var connectionDistance;
-  connectionLimit,
+var connectionLimit;
-  pointShiftDistance,
+var pointShiftDistance;
-  colorShiftAmt,
+// var colorShiftAmt;
-  disconnectedColorShiftAmt,
+var disconnectedColorShiftAmt;
-  polygon,
+var polygon;
-  startPoints,
+var startPoints;
-  polygonPoints,
+var polygonPoints;
-  tweeningFns,
+var tweeningFns;
-  lastLoop,
+var lastLoop;
-  thisLoop,
+var thisLoop;
-  fps,
+var fps;
-  fpsGraphic,
+var fpsGraphic;
-  scrollDelta,
+var scrollDelta;
-  pointShiftBiasX,
+var pointShiftBiasX;
-  pointShiftBiasY,
+var pointShiftBiasY;
-
+var fpsEnabled = false;
-  fpsEnabled = false;
 
 function randomInt (min, max) {
     // inclusive of min and max
-  return Math.floor(Math.random() * (max - min + 1)) + min
+    return Math.floor(Math.random() * (max - min + 1)) + min;
 }
 
 function linearTweening (t, b, c, d) {
@@ -34,113 +33,115 @@ function linearTweening (t, b, c, d) {
     // b = start value
     // c = change in value
     // d = duration
-  return ((c * t) / d) + b
+    return ((c * t) / d) + b;
 }
 
+/* eslint-disable no-unused-vars */
 function easeOutBounce (t, b, c, d) {
     if ((t /= d) < (1 / 2.75)) {
-    return c * (7.5625 * t * t) + b
+        return c * (7.5625 * t * t) + b;
     } else if (t < (2 / 2.75)) {
-    return c * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75) + b
+        return c * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75) + b;
     } else if (t < (2.5 / 2.75)) {
-    return c * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375) + b
+        return c * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375) + b;
     } else {
-    return c * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375) + b
+        return c * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375) + b;
     }
 }
 
 function easeInSine (t, b, c, d) {
-  return -c * Math.cos(t / d * (Math.PI / 2)) + c + b
+    return -c * Math.cos(t / d * (Math.PI / 2)) + c + b;
 }
 
 function easeOutSine (t, b, c, d) {
-  return c * Math.sin(t / d * (Math.PI / 2)) + b
+    return c * Math.sin(t / d * (Math.PI / 2)) + b;
 }
 
 function easeInOutSine (t, b, c, d) {
-  return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b
+    return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b;
 }
 
 function easeInQuad (t, b, c, d) {
-  return c * (t /= d) * t + b
+    return c * (t /= d) * t + b;
 }
 
 function easeOutQuad (t, b, c, d) {
-  return -c * (t /= d) * (t - 2) + b
+    return -c * (t /= d) * (t - 2) + b;
 }
 
 function easeInOutQuad (t, b, c, d) {
-  if ((t /= d / 2) < 1) return c / 2 * t * t + b
+    if ((t /= d / 2) < 1) return c / 2 * t * t + b;
-  return -c / 2 * ((--t) * (t - 2) - 1) + b
+    return -c / 2 * ((--t) * (t - 2) - 1) + b;
 }
 
 function easeInCubic (t, b, c, d) {
-  return c * (t /= d) * t * t + b
+    return c * (t /= d) * t * t + b;
 }
 
 function easeOutCubic (t, b, c, d) {
-  return c * ((t = t / d - 1) * t * t + 1) + b
+    return c * ((t = t / d - 1) * t * t + 1) + b;
 }
 
 function easeInOutCubic (t, b, c, d) {
-  if ((t /= d / 2) < 1) return c / 2 * t * t * t + b
+    if ((t /= d / 2) < 1) return c / 2 * t * t * t + b;
-  return c / 2 * ((t -= 2) * t * t + 2) + b
+    return c / 2 * ((t -= 2) * t * t + 2) + b;
 }
 
 function easeInExpo (t, b, c, d) {
-  return (t == 0) ? b : c * Math.pow(2, 10 * (t / d - 1)) + b
+    return (t === 0) ? b : c * Math.pow(2, 10 * (t / d - 1)) + b;
 }
 
 function easeOutExpo (t, b, c, d) {
-  return (t == d) ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b
+    return (t === d) ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b;
 }
 
 function easeInOutExpo (t, b, c, d) {
-  if (t == 0) return b
+    if (t === 0) return b;
-  if (t == d) return b + c
+    if (t === d) return b + c;
-  if ((t /= d / 2) < 1) return c / 2 * Math.pow(2, 10 * (t - 1)) + b
+    if ((t /= d / 2) < 1) return c / 2 * Math.pow(2, 10 * (t - 1)) + b;
-  return c / 2 * (-Math.pow(2, -10 * --t) + 2) + b
+    return c / 2 * (-Math.pow(2, -10 * --t) + 2) + b;
 }
 
 function easeInElastic (t, b, c, d) {
-  var s = 1.70158; var p = 0; var a = c
+    var s = 1.70158; var p = 0; var a = c;
-  if (t == 0) return b; if ((t /= d) == 1) return b + c; if (!p) p = d * 0.3
+    if (t === 0) return b; if ((t /= d) === 1) return b + c; if (!p) p = d * 0.3;
-  if (a < Math.abs(c)) { a = c; var s = p / 4 }	else var s = p / (2 * Math.PI) * Math.asin(c / a)
+    if (a < Math.abs(c)) { a = c; s = p / 4; } else s = p / (2 * Math.PI) * Math.asin(c / a);
-  return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b
+    return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
 }
 
 function easeOutElastic (t, b, c, d) {
-  var s = 1.70158; var p = 0; var a = c
+    var s = 1.70158; var p = 0; var a = c;
-  if (t == 0) return b; if ((t /= d) == 1) return b + c; if (!p) p = d * 0.3
+    if (t === 0) return b; if ((t /= d) === 1) return b + c; if (!p) p = d * 0.3;
-  if (a < Math.abs(c)) { a = c; var s = p / 4 }	else var s = p / (2 * Math.PI) * Math.asin(c / a)
+    if (a < Math.abs(c)) { a = c; s = p / 4; } else s = p / (2 * Math.PI) * Math.asin(c / a);
-  return a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b
+    return a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b;
 }
 
 function easeInOutElastic (t, b, c, d) {
-  var s = 1.70158; var p = 0; var a = c
+    var s = 1.70158; var p = 0; var a = c;
-  if (t == 0) return b; if ((t /= d / 2) == 2) return b + c; if (!p) p = d * (0.3 * 1.5)
+    if (t === 0) return b; if ((t /= d / 2) === 2) return b + c; if (!p) p = d * (0.3 * 1.5);
-  if (a < Math.abs(c)) { a = c; var s = p / 4 }	else var s = p / (2 * Math.PI) * Math.asin(c / a)
+    if (a < Math.abs(c)) { a = c; s = p / 4; } else s = p / (2 * Math.PI) * Math.asin(c / a);
-  if (t < 1) return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b
+    if (t < 1) return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
-  return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p) * 0.5 + c + b
+    return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p) * 0.5 + c + b;
 }
 
 function easeInCirc (t, b, c, d) {
-  return -c * (Math.sqrt(1 - (t /= d) * t) - 1) + b
+    return -c * (Math.sqrt(1 - (t /= d) * t) - 1) + b;
 }
 
 function easeOutCirc (t, b, c, d) {
-  return c * Math.sqrt(1 - (t = t / d - 1) * t) + b
+    return c * Math.sqrt(1 - (t = t / d - 1) * t) + b;
 }
 
 function easeInOutCirc (t, b, c, d) {
-  if ((t /= d / 2) < 1) return -c / 2 * (Math.sqrt(1 - t * t) - 1) + b
+    if ((t /= d / 2) < 1) return -c / 2 * (Math.sqrt(1 - t * t) - 1) + b;
-  return c / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1) + b
+    return c / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1) + b;
 }
+/* eslint-enable no-unused-vars */
 
 // from: http://stackoverflow.com/a/5624139
 // modified to return integer literal
 function rgbToHex (color) {
-  return parseInt(((1 << 24) + (color.r << 16) + (color.g << 8) + color.b).toString(16).slice(1), 16)
+    return parseInt(((1 << 24) + (color.r << 16) + (color.g << 8) + color.b).toString(16).slice(1), 16);
 }
 
 /* Choose a random RGB color */
@@ -149,7 +150,7 @@ function randomColor () {
         r: Math.floor(Math.random() * (255 + 1)),
         g: Math.floor(Math.random() * (255 + 1)),
         b: Math.floor(Math.random() * (255 + 1))
-  }
+    };
 }
 
 /* Find the average of two RGB colors and return one RGB of that color */
@@ -158,7 +159,7 @@ function averageColor (color1, color2) {
         r: Math.round((color1.r + color2.r) / 2),
         g: Math.round((color1.g + color2.g) / 2),
         b: Math.round((color1.b + color2.b) / 2)
-  }
+    };
 }
 
 /*
@@ -170,7 +171,7 @@ function weightedAverageColor (color1, color2, weight) {
         r: Math.round(((color1.r * (2 * weight)) + (color2.r * (2 * (1 - weight)))) / 2),
         g: Math.round(((color1.g * (2 * weight)) + (color2.g * (2 * (1 - weight)))) / 2),
         b: Math.round(((color1.b * (2 * weight)) + (color2.b * (2 * (1 - weight)))) / 2)
-  }
+    };
 }
 
 /* Darken the color by a factor of 0 to 1, where 1 is black and 0 is white */
@@ -179,17 +180,17 @@ function shadeColor (color, shadeFactor) {
         r: Math.round(color.r * (1 - shadeFactor)),
         g: Math.round(color.g * (1 - shadeFactor)),
         b: Math.round(color.b * (1 - shadeFactor))
-  }
+    };
 }
 
 /* Given a color component (red, green, or blue int), randomly shift by configurable amount */
 function shiftColorComponent (component, maxShiftAmt) {
-  var shiftAmt = randomInt(maxShiftAmt * -1, maxShiftAmt),
+    var shiftAmt = randomInt(maxShiftAmt * -1, maxShiftAmt);
-    newComponent = component + shiftAmt
+    var newComponent = component + shiftAmt;
     if ((newComponent < 0) || (newComponent > 255)) {
-    newComponent = component - shiftAmt
+        newComponent = component - shiftAmt;
     }
-  return newComponent
+    return newComponent;
 }
 
 /* Randomly shift a RGB color by a configurable amount and return new RGB color */
@@ -198,155 +199,156 @@ function shiftColor (color, maxShiftAmt) {
         r: shiftColorComponent(color.r, maxShiftAmt),
         g: shiftColorComponent(color.g, maxShiftAmt),
         b: shiftColorComponent(color.b, maxShiftAmt)
-  }
+    };
 }
 
 function distance (point1, point2) {
-  var a = point1[0] - point2[0]
+    var a = point1[0] - point2[0];
-  var b = point1[1] - point2[1]
+    var b = point1[1] - point2[1];
-  return Math.sqrt(a * a + b * b)
+    return Math.sqrt(a * a + b * b);
 }
 
 function getRandomPoints (numPoints, maxX, maxY, tweeningFns) {
-  var points = [],
+    var i, x, y, color, cycleStart, easingFn;
-    i, x, y, cycleStart, easingFn
+    var points = [];
     for (i = 0; i < numPoints; i++) {
-    x = randomInt(0, maxX - 1)
+        x = randomInt(0, maxX - 1);
-    y = randomInt(0, maxY - 1)
+        y = randomInt(0, maxY - 1);
-    cycleStart = randomInt(0, cycleDuration - 1)
+        cycleStart = randomInt(0, cycleDuration - 1);
-    color = randomColor()
+        color = randomColor();
-    easingFn = randomInt(0, tweeningFns.length - 1)
+        easingFn = randomInt(0, tweeningFns.length - 1);
-    points[i] = [x, y, cycleStart, color, easingFn]
+        points[i] = [x, y, cycleStart, color, easingFn];
     }
-  return points
+    return points;
 }
 
+// eslint-disable-next-line no-unused-vars
 function shiftPointCounter (original, maxShiftAmt) {
-  var shiftAmt = randomInt(maxShiftAmt * -1, 0),
+    var shiftAmt = randomInt(maxShiftAmt * -1, 0);
-    newCounter = original + shiftAmt
+    var newCounter = original + shiftAmt;
     if (newCounter < 0) {
-    newCounter = cycleDuration + shiftAmt
+        newCounter = cycleDuration + shiftAmt;
     }
-  return newCounter
+    return newCounter;
 }
 
 function shiftPoints (points, maxShiftAmt, counter, tweeningFns) {
-  var i, shiftX, shiftY, candidateX, candidateY
+    var i, shiftX, shiftY, candidateX, candidateY;
     for (i = 0; i < points.original.length; i++) {
         if (points.target[i][2] >= cycleDuration) {
             // cycleDuration was reduced and now this point's cycle is out of bounds. Randomly pick a new valid one.
-      points.target[i][2] = randomInt(0, cycleDuration - 1)
+            points.target[i][2] = randomInt(0, cycleDuration - 1);
         }
         if (points.target[i][2] === counter) {
-      points.original[i] = points.target[i].slice()
+            points.original[i] = points.target[i].slice();
-      shiftX = randomInt(maxShiftAmt * -1, maxShiftAmt)
+            shiftX = randomInt(maxShiftAmt * -1, maxShiftAmt);
-      shiftY = randomInt(maxShiftAmt * -1, maxShiftAmt)
+            shiftY = randomInt(maxShiftAmt * -1, maxShiftAmt);
             if (((shiftX < 0) && (pointShiftBiasX === 1)) || ((shiftX > 0) && (pointShiftBiasX === -1))) {
-        shiftX = shiftX * -1
+                shiftX = shiftX * -1;
             }
             if (((shiftY < 0) && (pointShiftBiasY === 1)) || ((shiftY > 0) && (pointShiftBiasY === -1))) {
-        shiftY = shiftY * -1
+                shiftY = shiftY * -1;
             }
-      candidateX = points.original[i][0] + shiftX
+            candidateX = points.original[i][0] + shiftX;
-      candidateY = points.original[i][1] + shiftY
+            candidateY = points.original[i][1] + shiftY;
             if ((candidateX > screenWidth) || (candidateX < 0)) {
-        candidateX = points.original[i][0] - shiftX
+                candidateX = points.original[i][0] - shiftX;
             }
             if ((candidateY > screenHeight) || (candidateY < 0)) {
-        candidateY = points.original[i][1] - shiftY
+                candidateY = points.original[i][1] - shiftY;
             }
-      points.target[i][0] = candidateX
+            points.target[i][0] = candidateX;
-      points.target[i][1] = candidateY
+            points.target[i][1] = candidateY;
-        	points.target[i][4] = randomInt(0, tweeningFns.length - 1)
+            points.target[i][4] = randomInt(0, tweeningFns.length - 1);
             // FIXME: buggy, makes points jump around too fast
             // points.target[i][2] = shiftPointCounter(points.original[i][2], maxShiftAmt);
         }
     }
     // clear pointShiftBiases now that they have been "used"
-  pointShiftBiasX = 0
+    pointShiftBiasX = 0;
-  pointShiftBiasY = 0
+    pointShiftBiasY = 0;
 
-  return points
+    return points;
 }
 
 function redistributeCycles (points) {
-  for (i = 0; i < points.original.length; i++) {
+    for (var i = 0; i < points.original.length; i++) {
-    points.target[i][2] = randomInt(0, cycleDuration - 1)
+        points.target[i][2] = randomInt(0, cycleDuration - 1);
     }
-  return points
+    return points;
 }
 
 function relativeCounter (counter, targetStart) {
-  var relCounter = counter - targetStart
+    var relCounter = counter - targetStart;
     if (relCounter < 0) {
-    return cycleDuration + relCounter
+        return cycleDuration + relCounter;
     }
-  return relCounter
+    return relCounter;
 }
 
 function drawPolygon (polygon, points, counter, tweeningFns) {
-  var i, j, easingFn, avgColor, connectionCount, dist, proximity
+    var i, j, easingFn, avgColor, shadedColor, connectionCount, dist, connectivity;
     // calculate vectors
     for (i = 0; i < points.original.length; i++) {
-    easingFn = tweeningFns[points.target[i][4]]
+        easingFn = tweeningFns[points.target[i][4]];
-    points.tweened[i][0] = easingFn(relativeCounter(counter, points.target[i][2]), points.original[i][0], points.target[i][0] - points.original[i][0], cycleDuration)
+        points.tweened[i][0] = easingFn(relativeCounter(counter, points.target[i][2]), points.original[i][0], points.target[i][0] - points.original[i][0], cycleDuration);
-    points.tweened[i][1] = easingFn(relativeCounter(counter, points.target[i][2]), points.original[i][1], points.target[i][1] - points.original[i][1], cycleDuration)
+        points.tweened[i][1] = easingFn(relativeCounter(counter, points.target[i][2]), points.original[i][1], points.target[i][1] - points.original[i][1], cycleDuration);
     }
     // draw lines
     for (i = 0; i < points.original.length; i++) {
-    connectionCount = 0
+        connectionCount = 0;
         for (j = i + 1; j < points.original.length; j++) {
             // TODO pick the N (connectionLimit) closest connections instead of the first N that occur sequentially.
-      if (connectionCount >= connectionLimit) break
+            if (connectionCount >= connectionLimit) break;
-      dist = distance(points.tweened[i], points.tweened[j])
+            dist = distance(points.tweened[i], points.tweened[j]);
-      connectivity = dist / connectionDistance
+            connectivity = dist / connectionDistance;
             if ((j !== i) && (dist <= connectionDistance)) {
                 // find average color of both points
                 if ((points.tweened[i][2] === counter) || (points.tweened[j][2] === counter)) {
                     // avgColor = shiftColor(avgColor, Math.round(colorShiftAmt * (1 - connectivity)));
-          points.tweened[i][3] = weightedAverageColor(points.tweened[i][3], points.tweened[j][3], connectivity)
+                    points.tweened[i][3] = weightedAverageColor(points.tweened[i][3], points.tweened[j][3], connectivity);
-          points.tweened[j][3] = weightedAverageColor(points.tweened[j][3], points.tweened[i][3], connectivity)
+                    points.tweened[j][3] = weightedAverageColor(points.tweened[j][3], points.tweened[i][3], connectivity);
                 }
-        avgColor = averageColor(points.tweened[i][3], points.tweened[j][3])
+                avgColor = averageColor(points.tweened[i][3], points.tweened[j][3]);
-        shadedColor = shadeColor(avgColor, connectivity)
+                shadedColor = shadeColor(avgColor, connectivity);
-        polygon.lineStyle(1, rgbToHex(shadedColor), 1)
+                polygon.lineStyle(1, rgbToHex(shadedColor), 1);
 
-        polygon.moveTo(points.tweened[i][0], points.tweened[i][1])
+                polygon.moveTo(points.tweened[i][0], points.tweened[i][1]);
-        polygon.lineTo(points.tweened[j][0], points.tweened[j][1])
+                polygon.lineTo(points.tweened[j][0], points.tweened[j][1]);
-        connectionCount = connectionCount + 1
+                connectionCount = connectionCount + 1;
             }
         }
 
         if (connectionCount === 0) {
-      points.tweened[i][3] = shiftColor(points.tweened[i][3], disconnectedColorShiftAmt)
+            points.tweened[i][3] = shiftColor(points.tweened[i][3], disconnectedColorShiftAmt);
         }
 
         // draw vectors
-    polygon.lineStyle(1, rgbToHex(points.tweened[i][3]), 1)
+        polygon.lineStyle(1, rgbToHex(points.tweened[i][3]), 1);
-    polygon.drawCircle(points.tweened[i][0], points.tweened[i][1], 1)
+        polygon.drawCircle(points.tweened[i][0], points.tweened[i][1], 1);
     }
 }
 
 function loop () {
-  screenWidth = document.documentElement.clientWidth
+    screenWidth = document.documentElement.clientWidth;
-  screenHeight = document.documentElement.clientHeight
+    screenHeight = document.documentElement.clientHeight;
-  renderer.resize(screenWidth, screenHeight)
+    renderer.resize(screenWidth, screenHeight);
 
-  polygon.clear()
+    polygon.clear();
 
-  drawPolygon(polygon, polygonPoints, counter, tweeningFns)
+    drawPolygon(polygon, polygonPoints, counter, tweeningFns);
 
-  counter += 1
+    counter += 1;
-  counter = counter % cycleDuration
+    counter = counter % cycleDuration;
 
     if (counter === 0 && fpsEnabled) {
-    thisLoop = new Date()
+        thisLoop = new Date();
-    fps = Math.round((1000 / (thisLoop - lastLoop)) * cycleDuration)
+        fps = Math.round((1000 / (thisLoop - lastLoop)) * cycleDuration);
-    fpsGraphic.setText(fps.toString())
+        fpsGraphic.setText(fps.toString());
-    lastLoop = thisLoop
+        lastLoop = thisLoop;
     }
 
-  polygonPoints = shiftPoints(polygonPoints, pointShiftDistance, counter, tweeningFns)
+    polygonPoints = shiftPoints(polygonPoints, pointShiftDistance, counter, tweeningFns);
 
     // var mousePosition = renderer.plugins.interaction.mouse.global;
     // triangle.x = mousePosition.x;
@@ -354,44 +356,44 @@ function loop () {
 
     // If user scrolled, modify cycleDuration by amount scrolled
     if (scrollDelta !== 0) {
-    cycleDuration = cycleDuration + scrollDelta
+        cycleDuration = cycleDuration + scrollDelta;
         if (cycleDuration < 1) {
-      cycleDuration = 1
+            cycleDuration = 1;
         }
-    scrollDelta = 0
+        scrollDelta = 0;
-    polygonPoints = redistributeCycles(polygonPoints)
+        polygonPoints = redistributeCycles(polygonPoints);
     }
 
     // Tell the `renderer` to `render` the `stage`
-  renderer.render(stage)
+    renderer.render(stage);
-  requestAnimationFrame(loop)
+    window.requestAnimationFrame(loop);
 }
 
 function loopStart () {
-  screenWidth = document.documentElement.clientWidth
+    screenWidth = document.documentElement.clientWidth;
-  screenHeight = document.documentElement.clientHeight
+    screenHeight = document.documentElement.clientHeight;
     // Create the renderer
-  renderer = PIXI.autoDetectRenderer(screenWidth, screenHeight, {antialias: true, resolution: 2})
+    renderer = window.PIXI.autoDetectRenderer(screenWidth, screenHeight, {antialias: true, resolution: 2});
 
     // Add the canvas to the HTML document
-  document.body.appendChild(renderer.view)
+    document.body.appendChild(renderer.view);
 
     // Create a container object called the `stage`
-  stage = new PIXI.Container()
+    stage = new window.PIXI.Container();
 
-  renderer.view.style.position = 'absolute'
+    renderer.view.style.position = 'absolute';
-  renderer.view.style.display = 'block'
+    renderer.view.style.display = 'block';
-  renderer.autoResize = true
+    renderer.autoResize = true;
 
-  counter = 0
+    counter = 0;
-  totalScreenPixels = screenWidth + screenHeight
+    totalScreenPixels = screenWidth + screenHeight;
-  cycleDuration = 60
+    cycleDuration = 60;
-  connectionDistance = Math.min(Math.round(totalScreenPixels / 16), 75)
+    connectionDistance = Math.min(Math.round(totalScreenPixels / 16), 75);
-  connectionLimit = 10
+    connectionLimit = 10;
-  pointShiftDistance = Math.round(totalScreenPixels / 45)
+    pointShiftDistance = Math.round(totalScreenPixels / 45);
-  colorShiftAmt = 80
+    // colorShiftAmt = 80;
-  disconnectedColorShiftAmt = 10
+    disconnectedColorShiftAmt = 10;
-  polygon = new PIXI.Graphics()
+    polygon = new window.PIXI.Graphics();
     tweeningFns = [
         linearTweening,
         easeInSine,
@@ -413,35 +415,35 @@ function loopStart () {
         // easeInCirc,
         // easeOutCirc,
         // easeInOutCirc
-  ]
+    ];
-  startPoints = getRandomPoints(Math.round(totalScreenPixels / 6), screenWidth, screenHeight, tweeningFns)
+    startPoints = getRandomPoints(Math.round(totalScreenPixels / 6), screenWidth, screenHeight, tweeningFns);
     polygonPoints = {
         original: startPoints,
         target: JSON.parse(JSON.stringify(startPoints)),
         tweened: JSON.parse(JSON.stringify(startPoints))
-  }
+    };
-  stage.addChild(polygon)
+    stage.addChild(polygon);
 
-  fpsGraphic = new PIXI.Text('0', {font: '25px monospace', fill: 'yellow'})
+    fpsGraphic = new window.PIXI.Text('0', {font: '25px monospace', fill: 'yellow'});
-  fpsGraphic.x = 0
+    fpsGraphic.x = 0;
-  fpsGraphic.y = 0
+    fpsGraphic.y = 0;
 
     if (fpsEnabled) {
-    stage.addChild(fpsGraphic)
+        stage.addChild(fpsGraphic);
     }
 
-  lastLoop = new Date()
+    lastLoop = new Date();
 
-  scrollDelta = 0
+    scrollDelta = 0;
 
-  requestAnimationFrame(loop)
+    window.requestAnimationFrame(loop);
 }
 
-window.onload = loopStart
+window.onload = loopStart;
 
 window.addEventListener('mousewheel', function (e) {
-  scrollDelta = scrollDelta + ((e.deltaY / 100) * 3)
+    scrollDelta = scrollDelta + ((e.deltaY / 100) * 3);
-})
+});
 
 // TODO: use jquery PEP to allow user to "pull" at a point elastically
 // window.addEventListener('click', function(e) {
@@ -449,22 +451,22 @@ window.addEventListener('mousewheel', function (e) {
 
 window.addEventListener('keydown', function (e) {
     if (e.keyCode === 37) { // left
-    pointShiftBiasX = -1
+        pointShiftBiasX = -1;
     } else if (e.keyCode === 38) { // up
-    pointShiftBiasY = -1
+        pointShiftBiasY = -1;
     } else if (e.keyCode === 39) { // right
-    pointShiftBiasX = 1
+        pointShiftBiasX = 1;
     } else if (e.keyCode === 40) { // down
-    pointShiftBiasY = 1
+        pointShiftBiasY = 1;
     } else if (e.keyCode === 70) { // f
         // toggle fpsCounter
         if (fpsEnabled) {
-      stage.removeChild(fpsGraphic)
+            stage.removeChild(fpsGraphic);
             fpsEnabled = false;
         } else {
-      stage.addChild(fpsGraphic)
+            stage.addChild(fpsGraphic);
             fpsEnabled = true;
             lastLoop = new Date();
         }
     }
-})
+});