diff --git a/demo/index.ts b/demo/index.ts
index 11c9d7c..d9c7d09 100644
--- a/demo/index.ts
+++ b/demo/index.ts
@@ -121,7 +121,7 @@ const lightTransparentColorsByLabel = hues.map(
 const heavyTransparentColorsByLabel = hues.map(
   hue => `hsla(${hue}, 100%, 50%, 0.75)`
 );
-const opaqueColorsByLabel = hues.map(hue => `hsla(${hue}, 100%, 50%, 1)`);
+const opaqueColorsByLabel = hues.map(hue => `hsla(${hue}, 100%, 60%, 1)`);
 
 document
   .querySelectorAll<HTMLInputElement>('input[name="color"]')
diff --git a/package.json b/package.json
index 1e7a00b..9b0aa69 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "scatter-gl",
-  "version": "0.0.13",
+  "version": "0.0.14",
   "description": "webgl accelerated 3D/2D scatterplot renderer",
   "author": {
     "name": "Andy Coenen",
@@ -34,10 +34,11 @@
     "typescript": "^3.7",
     "webpack": "^4.29.5",
     "webpack-cli": "^3.2.3",
-    "webpack-dev-server": "^3.4.1"
+    "webpack-dev-server": "^3.4.1",
+    "@types/three": "0.161"
   },
   "dependencies": {
-    "three": "0.125"
+    "three": "0.161"
   },
   "prettier": {
     "bracketSpacing": false,
diff --git a/src/scatter_gl.ts b/src/scatter_gl.ts
index 4d1589c..e7aa177 100644
--- a/src/scatter_gl.ts
+++ b/src/scatter_gl.ts
@@ -474,10 +474,12 @@ export class ScatterGL {
 
     let unselectedColor = colorUnselected;
     let noSelectionColor = colorNoSelection;
+    let hoverColor = colorHover;
 
     if (this.renderMode === RenderMode.TEXT) {
       unselectedColor = this.styles.label3D.colorUnselected;
       noSelectionColor = this.styles.label3D.colorNoSelection;
+      hoverColor = this.styles.label3D.colorHover;
     }
 
     if (this.renderMode === RenderMode.SPRITE) {
@@ -530,7 +532,7 @@ export class ScatterGL {
 
       // Last, color the hover point.
       if (hoverPointIndex != null) {
-        const c = parseColor(colorHover);
+        const c = parseColor(hoverColor);
         let dst = hoverPointIndex * RGBA_NUM_ELEMENTS;
         colors[dst++] = c.r;
         colors[dst++] = c.g;
diff --git a/src/scatter_plot.ts b/src/scatter_plot.ts
index 192701f..d0c0c23 100644
--- a/src/scatter_plot.ts
+++ b/src/scatter_plot.ts
@@ -225,7 +225,6 @@ export class ScatterPlot {
     occ.zoomSpeed = this.orbitControlParams.zoomSpeed;
     occ.enableRotate = cameraIs3D;
     occ.autoRotate = false;
-    occ.enableKeys = false;
     occ.rotateSpeed = this.orbitControlParams.mouseRotateSpeed;
     if (cameraIs3D) {
       occ.mouseButtons.LEFT = THREE.MOUSE.LEFT; // Orbit
@@ -550,7 +549,6 @@ export class ScatterPlot {
     if (this.worldSpacePointPositions == null) {
       return [];
     }
-
     const pointCount = this.worldSpacePointPositions.length / 3;
     const dpr = window.devicePixelRatio || 1;
     const x = Math.floor(boundingBox.x * dpr);
@@ -576,11 +574,13 @@ export class ScatterPlot {
     let pointIndicesSelection = new Uint8Array(
       this.worldSpacePointPositions.length
     );
+
     for (let i = 0; i < width * height; i++) {
-      const id =
-        (pixelBuffer[i * 4] << 16) |
-        (pixelBuffer[i * 4 + 1] << 8) |
-        pixelBuffer[i * 4 + 2];
+      const id = util.decodeIdFromRgb(
+        pixelBuffer[i * 4],
+        pixelBuffer[i * 4 + 1],
+        pixelBuffer[i * 4 + 2]
+      );
       if (id !== 0xffffff && id < pointCount) {
         pointIndicesSelection[id] = 1;
       }
@@ -881,6 +881,7 @@ export class ScatterPlot {
         renderCanvasSize.width * pixelRatio,
         renderCanvasSize.height * pixelRatio
       );
+
       this.pickingTexture.texture.minFilter = THREE.LinearFilter;
     }
 
diff --git a/src/scatter_plot_visualizer_3d_labels.ts b/src/scatter_plot_visualizer_3d_labels.ts
index f034356..653adfa 100644
--- a/src/scatter_plot_visualizer_3d_labels.ts
+++ b/src/scatter_plot_visualizer_3d_labels.ts
@@ -108,7 +108,7 @@ export class ScatterPlotVisualizer3DLabels implements ScatterPlotVisualizer {
   private pickingColors = new Float32Array(0);
   private renderColors = new Float32Array(0);
   private material!: THREE.ShaderMaterial;
-  private uniforms: { [uniform: string]: THREE.IUniform } = {};
+  private uniforms: {[uniform: string]: THREE.IUniform} = {};
   private labelsMesh!: THREE.Mesh;
   private positions!: THREE.BufferAttribute;
   private totalVertexCount = 0;
@@ -172,11 +172,12 @@ export class ScatterPlotVisualizer3DLabels implements ScatterPlotVisualizer {
       this.totalVertexCount * RGB_NUM_ELEMENTS
     );
     for (let i = 0; i < pointCount; i++) {
-      const pickingColor = new THREE.Color(i);
       this.labelVertexMap[i].forEach(j => {
-        this.pickingColors[RGB_NUM_ELEMENTS * j] = pickingColor.r;
-        this.pickingColors[RGB_NUM_ELEMENTS * j + 1] = pickingColor.g;
-        this.pickingColors[RGB_NUM_ELEMENTS * j + 2] = pickingColor.b;
+        const encodedId = util.encodeIdToRgb(i);
+
+        this.pickingColors[RGB_NUM_ELEMENTS * j] = encodedId.r;
+        this.pickingColors[RGB_NUM_ELEMENTS * j + 1] = encodedId.g;
+        this.pickingColors[RGB_NUM_ELEMENTS * j + 2] = encodedId.b;
         this.renderColors[RGB_NUM_ELEMENTS * j] = 1.0;
         this.renderColors[RGB_NUM_ELEMENTS * j + 1] = 1.0;
         this.renderColors[RGB_NUM_ELEMENTS * j + 2] = 1.0;
@@ -315,6 +316,7 @@ export class ScatterPlotVisualizer3DLabels implements ScatterPlotVisualizer {
       }
       src += RGBA_NUM_ELEMENTS;
     }
+
     colors.needsUpdate = true;
   }
 
diff --git a/src/scatter_plot_visualizer_polylines.ts b/src/scatter_plot_visualizer_polylines.ts
index 22c7a64..1e17f92 100644
--- a/src/scatter_plot_visualizer_polylines.ts
+++ b/src/scatter_plot_visualizer_polylines.ts
@@ -67,8 +67,8 @@ export class ScatterPlotVisualizerPolylines implements ScatterPlotVisualizer {
 
     for (let i = 0; i < this.sequences.length; i++) {
       const geometry = new THREE.BufferGeometry();
-      geometry.addAttribute('position', this.polylinePositionBuffer[i]);
-      geometry.addAttribute('color', this.polylineColorBuffer[i]);
+      geometry.setAttribute('position', this.polylinePositionBuffer[i]);
+      geometry.setAttribute('color', this.polylineColorBuffer[i]);
 
       const material = new THREE.LineBasicMaterial({
         linewidth: 1, // unused default, overwritten by width array.
@@ -148,7 +148,7 @@ export class ScatterPlotVisualizerPolylines implements ScatterPlotVisualizer {
       const material = this.polylines[i].material as THREE.LineBasicMaterial;
       material.opacity = renderContext.polylineOpacities[i];
       material.linewidth = renderContext.polylineWidths[i];
-      this.polylineColorBuffer[i].array = renderContext.polylineColors[i];
+      this.polylineColorBuffer[i].array.set(renderContext.polylineColors[i]);
       this.polylineColorBuffer[i].needsUpdate = true;
     }
   }
diff --git a/src/scatter_plot_visualizer_sprites.ts b/src/scatter_plot_visualizer_sprites.ts
index 1ec4ec2..09592d7 100644
--- a/src/scatter_plot_visualizer_sprites.ts
+++ b/src/scatter_plot_visualizer_sprites.ts
@@ -299,13 +299,13 @@ export class ScatterPlotVisualizerSprites implements ScatterPlotVisualizer {
     // Fill pickingColors with each point's unique id as its color.
     this.pickingColors = new Float32Array(n * RGBA_NUM_ELEMENTS);
     {
-      let dst = 0;
       for (let i = 0; i < n; i++) {
-        const c = new THREE.Color(i);
-        this.pickingColors[dst++] = c.r;
-        this.pickingColors[dst++] = c.g;
-        this.pickingColors[dst++] = c.b;
-        this.pickingColors[dst++] = 1;
+        const encodedId = util.encodeIdToRgb(i);
+
+        this.pickingColors[i * 4] = encodedId.r;
+        this.pickingColors[i * 4 + 1] = encodedId.g;
+        this.pickingColors[i * 4 + 2] = encodedId.b;
+        this.pickingColors[i * 4 + 3] = 1; // Alpha
       }
     }
 
@@ -437,8 +437,12 @@ export class ScatterPlotVisualizerSprites implements ScatterPlotVisualizer {
       .geometry as THREE.BufferGeometry).getAttribute(
       'position'
     ) as THREE.BufferAttribute;
-    positions.array = newPositions;
-    positions.count = newPositions.length / XYZ_NUM_ELEMENTS;
+
+    this.points.geometry.setAttribute(
+      'position',
+      new THREE.BufferAttribute(newPositions, XYZ_NUM_ELEMENTS)
+    );
+
     positions.needsUpdate = true;
   }
 
@@ -456,17 +460,19 @@ export class ScatterPlotVisualizerSprites implements ScatterPlotVisualizer {
     let colors = (this.points.geometry as THREE.BufferGeometry).getAttribute(
       'color'
     ) as THREE.BufferAttribute;
+    this.points.geometry.setAttribute(
+      'color',
+      new THREE.BufferAttribute(this.pickingColors, RGBA_NUM_ELEMENTS)
+    );
     colors.array = this.pickingColors;
-    colors.count = this.pickingColors.length / RGBA_NUM_ELEMENTS;
     colors.needsUpdate = true;
 
     let scaleFactors = (this.points
       .geometry as THREE.BufferGeometry).getAttribute(
       'scaleFactor'
     ) as THREE.BufferAttribute;
+
     scaleFactors.array = rc.pointScaleFactors;
-    scaleFactors.count = rc.pointScaleFactors.length;
-    scaleFactors.count = rc.pointScaleFactors.length / INDEX_NUM_ELEMENTS;
     scaleFactors.needsUpdate = true;
   }
 
@@ -497,14 +503,13 @@ export class ScatterPlotVisualizerSprites implements ScatterPlotVisualizer {
     ) as THREE.BufferAttribute;
     this.renderColors = rc.pointColors;
     colors.array = this.renderColors;
-    colors.count = this.renderColors.length / RGBA_NUM_ELEMENTS;
     colors.needsUpdate = true;
+
     let scaleFactors = (this.points
       .geometry as THREE.BufferGeometry).getAttribute(
       'scaleFactor'
     ) as THREE.BufferAttribute;
     scaleFactors.array = rc.pointScaleFactors;
-    scaleFactors.count = rc.pointScaleFactors.length / INDEX_NUM_ELEMENTS;
     scaleFactors.needsUpdate = true;
   }
 
diff --git a/src/styles.ts b/src/styles.ts
index d4505f2..8e46c61 100644
--- a/src/styles.ts
+++ b/src/styles.ts
@@ -36,6 +36,7 @@ export interface Label3DStyles {
   backgroundColor: Color;
   colorUnselected: Color;
   colorNoSelection: Color;
+  colorHover: Color;
 }
 
 export interface PointStyles {
@@ -146,6 +147,7 @@ const makeDefaultStyles = () => {
       backgroundColor: '#ffffff',
       colorUnselected: '#ffffff',
       colorNoSelection: '#ffffff',
+      colorHover: 'yellow',
     },
 
     point: {
@@ -163,7 +165,7 @@ const makeDefaultStyles = () => {
       endHue: 360,
       saturation: 1,
       lightness: 0.3,
-      defaultOpacity: 0.2,
+      defaultOpacity: 0.8,
       defaultLineWidth: 2,
       selectedOpacity: 0.9,
       selectedLineWidth: 3,
diff --git a/src/util.ts b/src/util.ts
index 92b406e..a5e969a 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -200,3 +200,17 @@ export function getDefaultPointInPolylineColor(
   const hsl = `hsl(${hue}, ${toPercent(saturation)}, ${toPercent(lightness)})`;
   return new THREE.Color(hsl);
 }
+
+/** Given a numeric id, encodes its value into an rgb. Can be used to store id values in "color" */
+export function encodeIdToRgb(i: number): {r: number; g: number; b: number} {
+  const r = (i >> 16) & 0xff;
+  const g = (i >> 8) & 0xff;
+  const b = i & 0xff;
+
+  return {r: r / 255, g: g / 255, b: b / 255};
+}
+
+/** Given an rgb color, decodes the encoded numeric id value */
+export function decodeIdFromRgb(r: number, g: number, b: number): number {
+  return (r << 16) | (g << 8) | b;
+}
diff --git a/tsconfig.json b/tsconfig.json
index 6a800f7..3cb8d6a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -16,7 +16,8 @@
     "allowUnreachableCode": true,
     "downlevelIteration": true,
     "lib": ["dom", "es2015", "es2016", "es2017"],
-    "strictPropertyInitialization": true
+    "strictPropertyInitialization": true,
+    "types": []
   },
   "compileOnSave": false,
   "include": ["src/"]
diff --git a/webpack/demo.config.ts b/webpack/demo.config.ts
index 30247aa..4b5dee3 100644
--- a/webpack/demo.config.ts
+++ b/webpack/demo.config.ts
@@ -27,7 +27,13 @@ module.exports = {
       {
         test: /\.ts$/,
         exclude: /node_modules/,
-        use: 'ts-loader',
+        use: [{
+          loader: 'ts-loader',
+          options: {
+            configFile: "../tsconfig.json",
+            transpileOnly: true
+          }
+        }]
       },
     ],
   },
diff --git a/yarn.lock b/yarn.lock
index c3735fe..4e9f511 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -78,6 +78,26 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-13.7.1.tgz#238eb34a66431b71d2aaddeaa7db166f25971a0d"
   integrity sha512-Zq8gcQGmn4txQEJeiXo/KiLpon8TzAl0kmKH4zdWctPj05nWwp1ClMdAVEloqrQKfaC48PNLdgN/aVaLqUrluA==
 
+"@types/stats.js@*":
+  version "0.17.3"
+  resolved "https://registry.yarnpkg.com/@types/stats.js/-/stats.js-0.17.3.tgz#705446e12ce0fad618557dd88236f51148b7a935"
+  integrity sha512-pXNfAD3KHOdif9EQXZ9deK82HVNaXP5ZIF5RP2QG6OQFNTaY2YIetfrE9t528vEreGQvEPRDDc8muaoYeK0SxQ==
+
+"@types/three@0.161":
+  version "0.161.2"
+  resolved "https://registry.yarnpkg.com/@types/three/-/three-0.161.2.tgz#3c7e3f40869ad52970f517583cc200472e8918bf"
+  integrity sha512-DazpZ+cIfBzbW/p0zm6G8CS03HBMd748A3R1ZOXHpqaXZLv2I5zNgQUrRG//UfJ6zYFp2cUoCQaOLaz8ubH07w==
+  dependencies:
+    "@types/stats.js" "*"
+    "@types/webxr" "*"
+    fflate "~0.6.10"
+    meshoptimizer "~0.18.1"
+
+"@types/webxr@*":
+  version "0.5.16"
+  resolved "https://registry.yarnpkg.com/@types/webxr/-/webxr-0.5.16.tgz#28955aa2d1197d1ef0b9826ae0f7e68f7eca0601"
+  integrity sha512-0E0Cl84FECtzrB4qG19TNTqpunw0F1YF0QZZnFMF6pDw1kNKJtrlTKlVB34stGIsHbZsYQ7H0tNjPfZftkHHoA==
+
 "@types/yargs-parser@*":
   version "15.0.0"
   resolved "https://registry.yarnpkg.com/@types/yargs-parser/-/yargs-parser-15.0.0.tgz#cb3f9f741869e20cce330ffbeb9271590483882d"
@@ -2060,6 +2080,11 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "2.1.1"
 
+fflate@~0.6.10:
+  version "0.6.10"
+  resolved "https://registry.yarnpkg.com/fflate/-/fflate-0.6.10.tgz#5f40f9659205936a2d18abf88b2e7781662b6d43"
+  integrity sha512-IQrh3lEPM93wVCEczc9SaAOvkmcoQn/G8Bo1e8ZPlY3X3bnAxWaBdvTdvM1hP62iZp0BXWDy4vTAy4fF0+Dlpg==
+
 figgy-pudding@^3.5.1:
   version "3.5.1"
   resolved "https://registry.yarnpkg.com/figgy-pudding/-/figgy-pudding-3.5.1.tgz#862470112901c727a0e495a80744bd5baa1d6790"
@@ -3901,6 +3926,11 @@ merge@^1.2.0:
   resolved "https://registry.yarnpkg.com/merge/-/merge-1.2.1.tgz#38bebf80c3220a8a487b6fcfb3941bb11720c145"
   integrity sha512-VjFo4P5Whtj4vsLzsYBu5ayHhoHJ0UqNm7ibvShmbmoz7tGi0vXaoJbGdB+GmDMLUdg8DpQXEIeVDAe8MaABvQ==
 
+meshoptimizer@~0.18.1:
+  version "0.18.1"
+  resolved "https://registry.yarnpkg.com/meshoptimizer/-/meshoptimizer-0.18.1.tgz#cdb90907f30a7b5b1190facd3b7ee6b7087797d8"
+  integrity sha512-ZhoIoL7TNV4s5B6+rx5mC//fw8/POGyNxS/DZyCJeiZ12ScLfVwRE/GfsxwiTkMYYD5DmK2/JXnEVXqL4rF+Sw==
+
 methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
@@ -5767,10 +5797,10 @@ test-exclude@^4.2.1:
     read-pkg-up "^1.0.1"
     require-main-filename "^1.0.1"
 
-three@0.125:
-  version "0.125.2"
-  resolved "https://registry.yarnpkg.com/three/-/three-0.125.2.tgz#dcba12749a2eb41522e15212b919cd3fbf729b12"
-  integrity sha512-7rIRO23jVKWcAPFdW/HREU2NZMGWPBZ4XwEMt0Ak0jwLUKVJhcKM55eCBWyGZq/KiQbeo1IeuAoo/9l2dzhTXA==
+three@0.161:
+  version "0.161.0"
+  resolved "https://registry.yarnpkg.com/three/-/three-0.161.0.tgz#38aafaa82fe5467fde2e33933515d1b6beb17d91"
+  integrity sha512-LC28VFtjbOyEu5b93K0bNRLw1rQlMJ85lilKsYj6dgTu+7i17W+JCCEbvrpmNHF1F3NAUqDSWq50UD7w9H2xQw==
 
 throat@^4.0.0:
   version "4.1.0"