Horizontal strip motion blur

One option changes the axis

The blur bake always smears along the reel’s travel direction. Vertical reels use the default; the banner strip travels sideways, so:

const blur = { axis: 'x' };

prewarmSpinTextures({ cache, ids, createSymbol, width: CELL, height: CELL, blur });

registry.register(id, StaticSpinSymbol, {
  createInner,
  cache,
  blur, // same object — bake and display agree on the axis
});

With axis: 'x' the baked texture comes out wider than the cell (width + 2 * padding) instead of taller, and the wrapper fits snapshots to the cell by height so the sideways smear centers out of the cell on both sides. Default strength becomes 20% of the cell width.

The strip’s stop is different — and so is its un-blur

The main reels hold full speed until the final frame snaps in, so they un-blur at the snap. The strip instead decelerates visibly into its land, and blur reads wrong on a slowing conveyor. So the lifecycle adapts:

• spin() — every slot gets onReelSpinStart; symbols fed in while free-spinning join with onReelSpinStart(true) (no ramp — they appear already blurred).
• setResult(...) — the deceleration starts and spin-end fires immediately: the outgoing symbols sharpen as the strip slows, and the result window feeds in live. What lands is never blurred.
• Land — onReelLanded fires (landing animations), motion stops.

The same contract drives Spine autoPlayBlur symbols on the strip.

Cascades are the exception by design: reel.cascade(...) keeps symbols live while they tumble, so destruction and refill animations stay visible.

Keep caches per geometry

The strip’s cells (76px here) differ from the main grid’s, and its blur axis differs too. Cache entries are keyed by symbolId, so sharing one cache across both would regenerate textures back and forth every spin. One SpinTextureCache for the main reels, one for the strip.