Fix initial scroll position: dial centered on page show, snap-back offset 233

2026-09-13 22:48:16 +01:00
parent 7f48cde7d9
commit b19717141e
2 changed files with 13 additions and 11 deletions
@@ -72,17 +72,17 @@ assert.doesNotMatch(ux, /transform\s*:/);
 // crown path: scroll deltas become queued 90° turns, board stays centered
 c = mk();
 c.visible = true;
-c.crownAnchor = 466;
-c.onCrownScroll({ scrollTop: 466 + 40 });   // one notch "down"
-c.onCrownScroll({ scrollTop: 466 });
+c.crownAnchor = 233;
+c.onCrownScroll({ scrollTop: 233 + 40 });   // one notch "down"
+c.onCrownScroll({ scrollTop: 233 });
 assert.equal(c.queue.length, 1, 'one turn queued after one crown notch');
-assert.equal(c.crownAnchor, 466, 'scroller re-centered');
+assert.equal(c.crownAnchor, 233, 'scroller re-centered');
 assert.equal(JSON.stringify(c.queue[0]), JSON.stringify({ x: 0, y: 1 }), 'right-facing snake turned clockwise = down');
-c.onCrownScroll({ scrollTop: 466 - 120 });  // three notches back
+c.onCrownScroll({ scrollTop: 233 - 120 });  // three notches back
 assert.equal(c.queue.length, 2, 'queue capped at 2');
 assert.equal(c.dir.x, 1, 'no reversal emitted, x unchanged');
 assert.equal(c.dir.y, 0, 'no reversal emitted, y unchanged');
-c.onCrownScroll({ scrollTop: 466 });
+c.onCrownScroll({ scrollTop: 233 });
 c.tick();
 assert.equal(JSON.stringify(c.dir), JSON.stringify({ x: 0, y: 1 }), 'first queued turn consumed');