Quick answer: Drain the meter at a fixed rate per second multiplied by delta time, require a minimum charge to activate, and only consume while actively boosting so taps cost a proportional small amount.
Players expect a quick tap of nitro to give a short burst, but the whole bar vanishes. The drain math is usually missing a proper per-second rate, so fixing the delta-time scaling makes consumption feel fair.
How to fix it
1. Drain per second, scaled by delta
Subtract drainPerSecond * delta from the meter each frame while boosting, not a flat amount per press. A tap then costs only the fraction of a second it was held.
2. Require a minimum activation charge
Block activation unless the meter holds at least a small threshold, and stop boost when it empties, so the player cannot stutter-tap into a glitchy state.
3. Separate activation impulse from drain
If you give an initial kick on activation, make it small and one-time, and never re-apply it per frame, so holding boost is smooth and tapping is cheap.
Catching the ones you can't reproduce
The hardest version of this to fix is the one you can't reproduce — it only happens on a player's hardware, OS, driver, or save state, under conditions that simply aren't present on your machine. A report that says “it crashed” or “it froze” gives you nothing to act on, so the bug survives release after release while quietly costing you players.
Automatic error capture closes that gap. Each failure arrives with its full stack trace, the device and OS, the build number, and a breadcrumb trail of what the player did right before it broke, so even a failure you have never seen becomes a specific, reproducible issue. Fold identical failures into one signature ranked by how many players each hits, and your worklist sorts itself worst-first instead of arriving as a stream of vague complaints.
This is where a tool like Bugnet earns its place. Its SDK captures every Godot error automatically with the full stack trace plus device, OS, memory, build, and game-state context, folds duplicates into one grouped issue with an occurrence count, and ties each to the build it first appeared on — so you fix the problem that hurts the most players first and confirm it is gone when its signature disappears from the next release.
The errors you never hear about are the ones quietly costing you players. Visibility turns them into a worklist.