update comments

src/base/TilesRendererBase.js

@@ -145,7 +145,7 @@ export class TilesRendererBase {
 
 			}
 
-			// TODO: fix for some cases where tilesets provide the bounding volume
+			// NOTE: fix for some cases where tilesets provide the bounding volume
 			// but volumes are not present.
 			if (
 				tile.content.boundingVolume &&

src/base/traverseFunctions.js

@@ -78,7 +78,6 @@ export function traverseSet( tile, beforeCb = null, afterCb = null, parent = nul
 }
 
 // Determine which tiles are within the camera frustum.
-// TODO: include frustum mask here?
 // TODO: this is marking items as used in the lrucache, which means some data is
 // being kept around that isn't being used -- is that okay?
 export function determineFrustumSet( tile, renderer ) {

src/three/DebugTilesRenderer.js

@@ -173,7 +173,6 @@ export class DebugTilesRenderer extends TilesRenderer {
 
 		}
 
-		// TODO: Support i3dm, pnts, cmpt here
 		const errorTarget = this.errorTarget;
 		const colorMode = this.colorMode;
 		const visibleTiles = this.visibleTiles;

src/three/SphereHelper.js

@@ -45,7 +45,6 @@ export class SphereHelper extends LineSegments {
 
 	updateMatrixWorld( force ) {
 
-		// TODO: Why doesn't this radius have to be multiplied by 0.5?
 		const sphere = this.sphere;
 		this.position.copy( sphere.center );
 		this.scale.setScalar( sphere.radius );

src/three/raycastTraverse.js

@@ -53,7 +53,7 @@ export function raycastTraverseFirstHit( root, group, activeTiles, raycaster ) {
 
 	}
 
-	// TODO: see if we can avoid creating a new array here every time to save on memory
+	// TODO: can we avoid creating a new array here every time to save on memory?
 	const array = [];
 	const children = root.children;
 	for ( let i = 0, l = children.length; i < l; i ++ ) {

src/utilities/LRUCache.js

@@ -1,7 +1,3 @@
-// TODO: can we remove the use of `indexOf` here because it's potentially slow? Possibly use time and sort as needed?
-// Keep a used list that we can sort as needed when it's dirty, a map of item to last used time, and a binary search
-// of the array to find an item that needs to be removed
-
 // Fires at the end of the frame and before the next one
 function enqueueMicrotask( callback ) {