fix: 歩けるところを賢く探して歩く

src/hackforplay/object/object.ts

@@ -1287,11 +1287,19 @@ export default class RPGObject extends enchant.Sprite implements N.INumbers {
   async mayWalkTo(movements: Vector2[], unit8 = false, prioritizeX = false) {
     movements = movements.filter(vec => vec.x !== 0 || vec.y !== 0);
     movements.sort((a, b) => (prioritizeX ? b.x - a.x : b.y - a.y)); // 優先されている方の差が大きい順
+    // ちゃんと歩けるところ探す
     for (const forward of movements) {
       const unit = unit8 ? forward.unit8() : forward.unit();
-      if (!Vector2.equal(this.forward, unit) || this.canWalk(unit)) {
+      if (this.canWalk(unit)) {
         this.forward = unit;
-        await this.walk(); // とりあえず歩いてみる
+        await this.walk();
+        return;
+      }
+    }
+    for (const forward of movements) {
+      const unit = unit8 ? forward.unit8() : forward.unit();
+      if (!Vector2.equal(this.forward, unit)) {
+        this.forward = unit; // 向きだけ変える
         return;
       }
     }