Remove scroll package

Author: flekschas

package-lock.json

@@ -38,7 +38,6 @@
     "pub-sub-es": "~1.2.1",
     "regl": "~1.3.13",
     "regl-line": "~0.1.4",
-    "scroll-speed": "flekschas/scroll-speed",
     "with-raf": "~1.1.1"
   },
   "peerDependencies": {
@@ -52,7 +51,7 @@
     "@babel/preset-env": "^7.8.4",
     "@rollup/plugin-commonjs": "^11.0.2",
     "@rollup/plugin-json": "^4.0.2",
-    "@rollup/plugin-node-resolve": "^7.1.0",
+    "@rollup/plugin-node-resolve": "^7.1.1",
     "acorn": "^6.0.4",
     "babel-loader": "^8.0.4",
     "babel-plugin-lodash": "^3.3.4",

package.json

@@ -6,7 +6,6 @@ import withRaf from 'with-raf';
 import * as mat4 from 'gl-matrix/mat4';
 import * as vec4 from 'gl-matrix/vec4';
 import createLine from 'regl-line';
-import createScroll from 'scroll-speed';
 
 import BG_FS from './bg.fs';
 import BG_VS from './bg.vs';
@@ -913,6 +912,10 @@ const createScatterplot = ({
     else camera.lookAt([...initialTarget], initialDistance, initialRotation);
   };
 
+  const wheelHandler = () => {
+    drawRaf();
+  };
+
   const init = () => {
     updateViewAspectRatio();
     initCamera();
@@ -928,12 +931,9 @@ const createScatterplot = ({
       width: 1,
       is2d: true
     });
-    scroll = createScroll(canvas);
 
     // Event listeners
-    scroll.on('scroll', () => {
-      drawRaf();
-    });
+    canvas.addEventListener('wheel', wheelHandler);
 
     // Buffers
     normalPointsIndexBuffer = regl.buffer();