bluebey-studio: 思考の雲のふくらみを垂直に、〇を80%に、縦書き句読点を右上へ

思考の雲は、ふくらみの向きを「枠から中心へ」ではなく「辺に垂直」に変更し、上下の枠の傾きをなくした。しっぽの〇は80%に。縦書きの句読点は字枠の右上（右上寄り）へ移動。

1 files changed, 19 insertions, 8 deletions

diff --git a/public/bluebey-studio/src/caption.js b/public/bluebey-studio/src/caption.js
index d0318e7..7865295 100644
--- a/public/bluebey-studio/src/caption.js
+++ b/public/bluebey-studio/src/caption.js
@@ -100,7 +100,7 @@ const COLUMN_END_FORBIDDEN = new Set(['「', '『', '（', '〔', '【', '〈',
 const VERTICAL_OFFSETS = new Map();
 for (const ch of SMALL_KANA) VERTICAL_OFFSETS.set(ch, { dx: 0.12, dy: -0.12 });
 // 縦書きの句読点は、横書きの左下ではなく、字枠の右上に置く。
-for (const ch of HANGING_PUNCTUATION) VERTICAL_OFFSETS.set(ch, { dx: 0.3, dy: -0.3 });
+for (const ch of HANGING_PUNCTUATION) VERTICAL_OFFSETS.set(ch, { dx: 0.55, dy: -0.8 });
 for (const ch of '「『（〔') VERTICAL_OFFSETS.set(ch, { dx: 0.14, dy: -0.12 });
 for (const ch of '」』）〕') VERTICAL_OFFSETS.set(ch, { dx: -0.14, dy: 0.12 });
 
@@ -831,10 +831,20 @@ function thinkEdges(box, scale) {
     const a = points[i];
     const b = points[(i + 1) % points.length];
     const mid = { x: (a.x + b.x) / 2, y: (a.y + b.y) / 2 };
-    const nx = mid.x - cx;
-    const ny = mid.y - cy;
-    const length = Math.hypot(nx, ny) || 1;
-    edges.push(scallopEdge(a, b, { x: nx / length, y: ny / length }, amp));
+    // Bulge perpendicular to the edge, not away from the centre: on a wide box
+    // the centre direction points sideways along the top and bottom edges, which
+    // is what tilted those scallops. The sign is flipped so it always faces out,
+    // which makes every edge scallop the same way the left and right ones do.
+    const dx = b.x - a.x;
+    const dy = b.y - a.y;
+    const length = Math.hypot(dx, dy) || 1;
+    let nx = -dy / length;
+    let ny = dx / length;
+    if (nx * (mid.x - cx) + ny * (mid.y - cy) < 0) {
+      nx = -nx;
+      ny = -ny;
+    }
+    edges.push(scallopEdge(a, b, { x: nx, y: ny }, amp));
   }
   return { edges, amp };
 }
@@ -869,9 +879,10 @@ function thoughtTrail(box, state, scale, outer) {
   // Sized from the font, not the leftover room, so the puffs stay visible at any
   // bubble size; they start just outside the cloud (`outer`) and shrink away.
   const unit = resolveFontSize(state, scale);
-  const r1 = unit * 0.6;
-  const r2 = unit * 0.42;
-  const r3 = unit * 0.26;
+  // 80% of the first cut, which read a touch large.
+  const r1 = unit * 0.48;
+  const r2 = unit * 0.34;
+  const r3 = unit * 0.21;
   const gap = unit * 0.5;
   const d1 = outer + r1;
   const d2 = d1 + r1 + gap;