Initial take on belt optimization

src/js/game/hud/hud.js

@@ -74,8 +74,11 @@ export class GameHUD {
             shapeViewer: new HUDShapeViewer(this.root),
             wiresOverlay: new HUDWiresOverlay(this.root),
 
+            // Typing hints
+            /* typehints:start */
             /** @type {HUDChangesDebugger} */
             changesDebugger: null,
+            /* typehints:end */
         };
 
         this.signals = {

src/js/game/hud/parts/debug_changes.js

@@ -27,7 +27,7 @@ export class HUDChangesDebugger extends BaseHUDPart {
      * @param {string} fillColor Color to display (Hex)
      * @param {number=} timeToDisplay How long to display the change
      */
-    renderChange(label, area, fillColor, timeToDisplay = 2) {
+    renderChange(label, area, fillColor, timeToDisplay = 0.3) {
         this.changes.push({
             label,
             area: area.clone(),