player/CameraHandler.gd

   1 extends Node3D
   2 class_name CameraHandler
   3
   4
   5 enum CameraInput {MOUSE, JOYSTICK}
   6
   7 @export_range(1.0, 10.0) var camera_distance := 3.0
   8 @export_range(0.0, 1.0) var mouse_sensitivity := 0.15
   9 @export_range(0.0, 1.0) var mouse_sensitivity_x := 1.0
  10 @export_range(0.0, 1.0) var mouse_sensitivity_y := 0.5
  11 @export_range(0.0, 10.0) var joystick_sensitivity_x := 4.0
  12 @export_range(0.0, 10.0) var joystick_sensitivity_y := 2.0
  13
  14
  15 var camera_input_method := CameraInput.MOUSE
  16 var camera_input_direction := Vector2.ZERO
  17 var player_input_direction := Vector2.ZERO
  18
  19
  20 @onready var _input: InputHandler = %Input
  21 @onready var _spring: SpringArm3D = $spring
  22
  23
  24 # Called when the node enters the scene tree for the first time.
  25 func _ready() -> void:
  26         _spring.spring_length = camera_distance
  27
  28
  29 func _unhandled_input(event: InputEvent) -> void:
  30         # If user clicks on the window, capture the mouse and direct the camera with it
  31         if Input.get_mouse_mode() != Input.MOUSE_MODE_CAPTURED:
  32                 return
  33
  34                         #_camera_input_direction *= mouse_sensitivity
  35         if event is InputEventMouseMotion:
  36                 camera_input_method = CameraInput.MOUSE
  37                 camera_input_direction = event.screen_relative * mouse_sensitivity
  38         elif event is InputEventJoypadMotion:
  39                 # TODO: add these settings!
  40                 camera_input_method = CameraInput.JOYSTICK
  41                 camera_input_direction = _input.get_camera_input_direction()
  42                 camera_input_direction *= Vector2(joystick_sensitivity_x, -joystick_sensitivity_y)
  43
  44
  45 # Called every frame. 'delta' is the elapsed time since the previous frame.
  46 func _process(delta: float) -> void:
  47         # vertical camera rotation
  48         rotation.x += camera_input_direction.y * mouse_sensitivity_y * delta
  49         rotation.x = clamp(rotation.x, -PI / 6, PI / 3)
  50
  51         # horizontal camera rotation
  52         rotation.y -= camera_input_direction.x * mouse_sensitivity_x * delta
  53
  54         # reset mouse movement vector if mouse input
  55         if camera_input_method == CameraInput.MOUSE:
  56                 camera_input_direction = Vector2.ZERO
  57
  58         # change spring length
  59         _spring.spring_length = lerp(
  60                 _spring.spring_length, camera_distance, delta
  61         )