class_name CameraRig
extends Node3D

@export var sensitivity := 0.005
@export var follow_speed := 5.0
@export var cam: Camera3D

var target: Node3D # Controlled by PlayerController

var _dragging := false


func _unhandled_input(event: InputEvent) -> void:
	if event is InputEventMouseButton:
		match event.button_index:
			MOUSE_BUTTON_LEFT:
				_dragging = event.pressed
			MOUSE_BUTTON_WHEEL_UP:
				cam.position.z = maxf(cam.position.z - 1.0, 3.0)
			MOUSE_BUTTON_WHEEL_DOWN:
				cam.position.z = minf(cam.position.z + 1.0, 30.0)
	elif event is InputEventMouseMotion and _dragging:
		rotation.y -= event.relative.x * sensitivity
		rotation.x = clampf(
			rotation.x - event.relative.y * sensitivity,
			deg_to_rad(-80.0),
			deg_to_rad(-10.0)
		)


func _process(delta: float) -> void:
	if target:
		global_position = global_position.lerp(target.global_position, follow_speed * delta)