Switch to Vec3fp and fp variables for character

src/Character.h

@@ -55,7 +55,7 @@ public:
     void update(int64_t deltaMs, const CharacterUpdateEvents* events = nullptr);
 
     // ---- Damage ----
-    void presentDamage(float hp, float maxHp, const Eigen::Vector3f& attackDirection,
+    void presentDamage(float hp, float maxHp, const Vec3fp& attackDirection,
                        const std::string& attackerId);
 
     // ---- Spark setup ----
@@ -93,8 +93,6 @@ public:
 
     // ---- Query helpers (read immutable snapshots) ----
     bool            isMoving() const;
-    Eigen::Vector3f getRequestedWalkTarget() const;
-    Eigen::Vector3f getCurrentNavigationTarget() const;
     Eigen::Vector3f renderPosition() const;
     float           getHp() const;