完善客户端功能并同步差距文档

project/game_camera.gd

@@ -34,6 +34,13 @@ var _orbit_active := false      # 已越过 deadzone
 var _orbit_press := Vector2.ZERO
 var _pinch_last := -1.0         # 上一帧两指间距，<0 = 未在捏合
 
+# ClientVS22 game.py drives these while Q/E/R/F/T/G are held.  Keeping the
+# state here (instead of applying one large step per key event) gives the
+# same continuous desktop-camera motion on macOS and Windows.
+var _key_orbit := 0
+var _key_zoom := 0
+var _key_pitch := 0
+
 const OCCLUDER_MASK := 1 << 1   # 静态遮挡物层（Metin2World 给建筑的盒碰撞）
 const FADE_ALPHA := 0.72        # 挡住玩家时的透明度
 var _faded: Array[Node] = []    # 上一帧被淡出的 GeometryInstance3D
@@ -108,6 +115,15 @@ func heading() -> float:
 	# 相机看向的水平方向（供角色移动「相对相机」用）
 	return yaw
 
+func set_key_orbit(direction: int) -> void:
+	_key_orbit = clampi(direction, -1, 1)
+
+func set_key_zoom(direction: int) -> void:
+	_key_zoom = clampi(direction, -1, 1)
+
+func set_key_pitch(direction: int) -> void:
+	_key_pitch = clampi(direction, -1, 1)
+
 func _desired_pos(snap := false) -> Vector3:
 	var head := target.global_position + head_offset
 	var off := Vector3(
@@ -146,6 +162,12 @@ func shake(strength: float, decay := 8.0) -> void:
 func _process(dt: float) -> void:
 	if target == null:
 		return
+	if _key_orbit != 0:
+		yaw += float(_key_orbit) * dt * 1.8
+	if _key_zoom != 0:
+		dist = clampf(dist + float(_key_zoom) * dt * 5.0, min_dist, max_dist)
+	if _key_pitch != 0:
+		pitch = clampf(pitch + float(_key_pitch) * dt * 1.2, min_pitch, max_pitch)
 	var want := _desired_pos()
 	if _pos_ready:
 		global_position = global_position.lerp(want, clampf(follow_lerp * dt, 0.0, 1.0))