public/bluebey-studio: 見えない壁を2枚にし、ぶるべーに追従させる

見えない壁は2枚まで置けるようにした（壁1・壁2）。板の位置はぶるべーからの相対で持ち、ぶるべーを動かすと壁も一緒に動くようにした。

地面（影を受ける板）が深度を書かないようにし、ぶるべーが地面より下に来ても体やテクスチャが隠れないようにした。

1 files changed, 24 insertions, 14 deletions

diff --git a/public/bluebey-studio/src/presets.js b/public/bluebey-studio/src/presets.js
index 1130a67..12b14fd 100644
--- a/public/bluebey-studio/src/presets.js
+++ b/public/bluebey-studio/src/presets.js
@@ -40,6 +40,26 @@ function captionDefaults() {
   };
 }
 
+/**
+ * 見えない壁 (the invisible wall) settings. The studio offers two, so a corner (or
+ * two opposite cuts) can be made. A wall's position is kept *relative to the
+ * character*, so moving ぶるべー carries its walls along (see src/clip.js).
+ */
+function wallDefaults() {
+  return {
+    on: false,
+    x: 0, y: 0, z: 0,   // a point the plane passes through, relative to the character
+    yaw: 0,             // turn about Y, degrees
+    tilt: 0,            // lean about X, degrees
+    // The guide is the only part of the wall that is ever *drawn* (the wall
+    // itself writes depth but no colour, so it hides what is behind it
+    // without being visible). `guide` shows that rectangle while placing,
+    // which is also when it can be dragged in the viewport.
+    guide: false,
+    size: 1,            // the wall's size (a real width and height, not a clip)
+  };
+}
+
 export function defaultState() {
   return {
     version: 1,
@@ -142,21 +162,11 @@ export function defaultState() {
       //         nothing is drawn along the meeting. Cleaner, but the leaves and
       //         the body merge into one white shape.
       leafBodyLine: true,
-      // 見えない壁 (the invisible wall). A placeable clipping plane that hides
-      // whatever is behind it, so the character can be buried in the wall and
+      // 見えない壁 (the invisible wall). Up to two placeable rectangles that hide
+      // whatever is behind them, so the character can be buried in a wall and
       // only the rest of the body shows. See src/clip.js.
-      wall: {
-        on: false,
-        x: 0, y: 0, z: 0,   // a point the plane passes through (world units)
-        yaw: 0,             // turn about Y, degrees
-        tilt: 0,            // lean about X, degrees
-        // The guide is the only part of the wall that is ever *drawn* (the wall
-        // itself writes depth but no colour, so it hides what is behind it
-        // without being visible). `guide` shows that rectangle while placing,
-        // which is also when it can be dragged in the viewport.
-        guide: false,
-        size: 1,            // the wall's size (a real width and height, not a clip)
-      },
+      wall: wallDefaults(),
+      wall2: wallDefaults(),
     },
     pose: {
       bones: {},                 // { boneName: [x, y, z] } in degrees, rest = 0,0,0