Minor cleanup

game.js

@@ -136,6 +136,7 @@ function memoize(f) {
     return g;
 }
 
+/** From far to near. */
 function _getChunkOrder(chunki, chunkj) {
     return [...function* () {
         for (let i = chunki - 8; i < chunki + 8; i++) {

geometry.js

@@ -1,5 +1,3 @@
-import * as se3 from './se3';
-
 function memoize(f) {
     const memo = {};
 

world.js

@@ -1,4 +1,4 @@
-import { makeBufferFromFaces, makeFace} from "./geometry";
+import { makeBufferFromFaces, makeFace } from "./geometry";
 import { loadTexture, makeProgram } from "./gl";
 import * as se3 from './se3';
 import { makeTerrain, random } from "./terrain";