extends Camera2D

@export var zoom_speed: float = 0.5
@export var min_zoom: float = 1.0
@export var max_zoom: float = 5.0
@export var zoom_smoothing: float = 10.0

var target_zoom: Vector2

func _ready():
	target_zoom = zoom

func _process(delta):
	zoom = zoom.lerp(target_zoom, zoom_smoothing * delta)

func _unhandled_input(event):
	if event is InputEventMouseButton:
		if event.is_pressed():
			if event.button_index == MOUSE_BUTTON_WHEEL_UP:
				target_zoom += Vector2(zoom_speed, zoom_speed)
			elif event.button_index == MOUSE_BUTTON_WHEEL_DOWN:
				target_zoom -= Vector2(zoom_speed, zoom_speed)
			
			target_zoom = target_zoom.clamp(Vector2(min_zoom, min_zoom), Vector2(max_zoom, max_zoom))