Enum PowerupKind 

pub enum PowerupKind {
    Lucky,
    Frenzy,
    Buff,
    GreenCoin,
}

Stable discriminator for every kind of powerup. Order also defines the indexing into GameState::powerup_cooldowns: [u32; N_KINDS], so don’t reorder once shipped — a save written under one ordering would index a different kind’s cooldown after a swap. (Cooldowns are #[serde(skip)] today, so the actual blast radius is “fresh-load reseeds them anyway,” but treat the order as stable to keep test fixtures honest.)

Variants

Lucky

Instant flat reward: max(10, fps * 60s) cuques. No buff, no duration. Frequent, small.

Frenzy

13-second ClickFrenzy buff: each manual click during the buff adds an FPS-scaled bonus on top of normal click power. Less common, disruptive while it lasts; the FPS scaling means a late-game Frenzy is much more rewarding than an early-game one (and the early-game version stays bounded against the cost ladder).

Buff

60-second per-fingerer modifier on a random owned fingerer: that fingerer’s passive FPS is multiplied x7. Implemented as a ModifierSource::PurpleCoin MulFactor(7.0) with Ticks(1200).

GreenCoin

Permanent +10% AddPercent modifier on a random visible fingerer (sidebar-visible — including unowned tiers above the visibility threshold; Index Finger is always eligible). Rare; sourced as ModifierSource::GreenCoin.

Implementations

impl PowerupKind

pub const ALL: [Self; 4]

Stable iteration order. Mirrors discriminant order so kind as usize indexes into anything sized to N_KINDS.

pub fn lifetime_ticks(self) -> u32

On-screen lifetime for this kind. ~11s at 20Hz across all kinds for now — long enough to see and react, short enough to be a meaningful catch. Keep on PowerupKind so tuning is one number per kind.

pub fn mean_cooldown_ticks(self) -> u32

Mean inter-arrival time (in ticks) for this kind. Single tuning knob — raise to make the kind rarer, lower to see it more often.

pub fn min_cooldown_ticks(self) -> u32

Safety floor on the truncated exponential. Prevents pathologically rapid spawns from the left tail (two of the same kind appearing in the same second by chance and visually overlapping).

pub fn max_cooldown_ticks(self) -> u32

Safety ceiling on the truncated exponential. Catches the bottom ~2% of the right tail; everything below 4× the mean passes through unchanged. Prevents the player from feeling like a kind has been “removed” during a particularly long drought.

Trait Implementations

impl Clone for PowerupKind

fn clone(&self) -> PowerupKind

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PowerupKind

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for PowerupKind

fn eq(&self, other: &PowerupKind) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for PowerupKind

impl Eq for PowerupKind

impl StructuralPartialEq for PowerupKind