Merge pull request 'Feature/advanced game mechanics' (#5) from feature/advanced-game-mechanics into main

Reviewed-on: #5

src/lib/updatePerks/updatePerks.js

@@ -58,6 +58,7 @@ export function updatePerks(game, containerHeight, deltaTime) {
                 ball.increaseSpeed(-1 * PERK_BALL_SPEED_DECREASE);
               }
             }
+            // ponytail: wall-clock timer, game never pauses so no need to tie to deltaTime
             setTimeout(() => {
               for (const ball of game.balls) {
                 ball.increaseSpeed(PERK_BALL_SPEED_DECREASE);