fix aiming on elevation

scripts/camera/following_camera.gd

@@ -1,15 +0,0 @@
-class_name FollowingCamera
-extends Camera3D
-
-@export var height_offset: float = 0.4
-@export var distance: float = 6
-@export var angle_degrees: Vector3
-
-
-func _process(_delta: float) -> void:
-	var follow_position := (
-		Referencer.player.global_position + Vector3.UP * height_offset
-	)
-
-	global_rotation_degrees = angle_degrees
-	global_position = follow_position + transform.basis.z * distance

scripts/camera/main_camera.gd

@@ -1,7 +1,12 @@
 class_name MainCamera
 extends Camera3D
 
-@export var current_camera: Camera3D
+@export var height_offset: float = 0.5
+@export var distance: float = 50
+@export var angle_degrees: Vector3 = Vector3(-35, -45, 0)
+@export var aim_offset_factor: float = 0.2
+
+var _floor_height: float = 0
 
 
 func _ready() -> void:
@@ -9,12 +14,18 @@ func _ready() -> void:
 
 
 func _process(_delta: float) -> void:
-	global_position = current_camera.global_position
-	global_rotation = current_camera.global_rotation
-	fov = current_camera.fov
-	near = current_camera.near
-	far = current_camera.far
+	var player_position := Referencer.player.global_position
+	if Referencer.player.is_on_floor():
+		_floor_height = player_position.y
+	player_position.y = _floor_height
 
+	var mouse_pos := get_viewport().get_mouse_position()
+	var aim_position := Player.mouse_project(mouse_pos, player_position, self)
 
-func is_camera_current(camera: Camera3D) -> bool:
-	return current_camera == camera
+	var aim_relative := aim_position - player_position
+	var follow_position := player_position + aim_relative * aim_offset_factor
+
+	global_rotation_degrees = angle_degrees
+	global_position = (
+		follow_position + Vector3.UP * height_offset + transform.basis.z * distance
+	)

scripts/player.gd

@@ -10,7 +10,10 @@ const FALL_ACCELERATION: float = 25
 
 @export var _respawn_height: float = -5
 
+var aim_position: Vector3
+
 var _respawn_point: Vector3
+var _floor_height: float = 0
 
 
 func _ready() -> void:
@@ -19,7 +22,9 @@ func _ready() -> void:
 
 
 func _process(_delta: float) -> void:
-	_mouse_turning()
+	_mouse_aiming()
+	look_at(aim_position, Vector3.UP, true)
+
 	_process_respawning()
 
 
@@ -27,23 +32,33 @@ func _physics_process(delta: float) -> void:
 	if not is_multiplayer_authority():
 		return
 
-	_mouse_turning()
 	_lateral_movement(delta)
 	_vertical_movement(delta)
 
 	move_and_slide()
 
 
-func _mouse_turning() -> void:
-	var mouse_pos := get_viewport().get_mouse_position()
-	var camera := Referencer.main_camera
+static func mouse_project(
+	mouse_pos: Vector2, player_pos: Vector3, camera: Camera3D
+) -> Vector3:
 	var from := camera.project_ray_origin(mouse_pos)
 	var direction := camera.project_ray_normal(mouse_pos)
-	var plane := Plane(Vector3.UP, global_position)
+	var plane := Plane(Vector3.UP, player_pos)
 	var intersection: Variant = plane.intersects_ray(from, direction)
 	if not intersection:
-		return
-	look_at(intersection as Vector3, Vector3.UP, true)
+		return Vector3.ZERO
+	return intersection as Vector3
+
+
+func _mouse_aiming() -> void:
+	var mouse_pos := get_viewport().get_mouse_position()
+	var player_position := global_position
+	if is_on_floor():
+		_floor_height = player_position.y
+	player_position.y = _floor_height
+	var camera := Referencer.main_camera
+	aim_position = mouse_project(mouse_pos, player_position, camera)
+	aim_position.y = global_position.y
 
 
 func _process_respawning() -> void: