FPS Controller

demo/assets/scripts/player/camera_controller.gd

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+class_name CameraController extends Node3D
+
+@export var debug : bool = false
+@export_category("References")
+@export var player_controller : PlayerController
+@export var component_mouse_capture : MouseCaptureComponent
+@export_category("Camera Settings")
+@export_group("Camera Tilt")
+@export_range(-90, -60) var tilt_lower_limit : int = -90
+@export_range(60, 90) var tilt_upper_limit : int = 90
+@export_group("Crouch Vertical Movement")
+@export var crouch_offset : float = 0.0
+@export var crouch_speed : float = 3.0
+@export_group("Step Smoothing")
+@export var step_speed: float = 8.0
+
+# Step smoothing private values
+var _target_height: float
+var _step_smoothing: bool = false
+
+var offset_height: float
+
+var _rotation : Vector3
+
+const DEFAULT_HEIGHT : float = 0.5
+
+func _ready() -> void:
+	_rotation = player_controller.rotation
+	offset_height = DEFAULT_HEIGHT
+
+func _process(delta: float) -> void:
+	update_camera_rotation(component_mouse_capture._mouse_input)
+	
+	if _step_smoothing:
+		_target_height = lerp(_target_height, 0.0, step_speed * delta)
+		if abs(_target_height) < 0.01:
+			_target_height = 0.0
+			_step_smoothing = false
+		
+		position.y = offset_height + _target_height
+
+func smooth_step(height_change: float):
+	_target_height -= height_change
+	_step_smoothing = true
+
+func update_camera_rotation(input: Vector2) -> void:
+	_rotation.x += input.y
+	_rotation.y += input.x
+	_rotation.x = clamp(_rotation.x, deg_to_rad(tilt_lower_limit), deg_to_rad(tilt_upper_limit))
+	
+	var _player_rotation = Vector3(0.0,_rotation.y,0.0)
+	var _camera_rotation = Vector3(_rotation.x,0.0,0.0)
+	
+	transform.basis = Basis.from_euler(_camera_rotation)
+	player_controller.update_rotation(_player_rotation)
+	
+	rotation.z = 0.0
+
+
+func update_camera_height(delta: float, direction: int) -> void:
+	if position.y >= crouch_offset and position.y <= DEFAULT_HEIGHT:
+		position.y = clampf(position.y + (crouch_speed * direction) * delta, crouch_offset, DEFAULT_HEIGHT)