pixi-reels
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Hold & Win: last-cell anticipation

One builder knob — anticipateWhen(({ locked, capacity }) => capacity - locked === 1) — flips the last still-spinning cell to a drawn-out tension profile, the "one more for the full-board jackpot" moment. The recipe only listens to events.

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Press Run. Coins fill the board round by round; when a single empty cell remains, that last cell spins on a slowed tension profile while the HUD calls the moment and the game’s anticipation glow (in → loop sprite FX) builds over it — then it lands for the full-board jackpot.

The whole feature is one predicate

HoldAndWinBuilder evaluates anticipateWhen before each wave with the live { locked, capacity, respinsLeft }. When it returns true, every still-spinning cell switches from its normal profile to tension (the builder registers both, tension being ~1.1s slower):

new HoldAndWinBuilder()
  .anticipateWhen(({ locked, capacity }) => capacity - locked === 1)
  // ...

Because Hold & Win cells are independent reels, this works per cell out of the box — when only one is left, only that one is spinning, so only it goes tense. Widen the predicate (capacity - locked <= 2) to build tension earlier, or key it off respinsLeft for “last respin” drama instead.

The recipe just reacts

The build is the feature; the recipe only listens. respin:start carries the spinning cells, so the HUD message and the anticipation glow (a sprite AnimatedSprite overlay from the /hw-sprites/ set, played additively) are driven entirely from events — no polling, no timing code in the recipe.

Spin landing animates in real time in your browser; in the docs sandbox the throttled animation frame can make the slowed cell look paused — give it a moment, or open it in Studio.