extends Camera2D


var mousePos: Vector2 = Vector2()
var mousePosGlobal: Vector2 = Vector2()
var start: Vector2 = Vector2()
var startV: Vector2 = Vector2()
var end: Vector2 = Vector2()
var endV: Vector2 = Vector2()
var isDragging: bool = false
@onready var panel: Panel = $"../Panel" as Panel


signal area_selected
signal start_move_selection


func _process(delta: float) -> void:
	if Input.is_action_just_pressed("LeftClick"):
		start = mousePosGlobal
		startV = mousePos
		isDragging = true
	if isDragging:
		end = mousePosGlobal
		endV = mousePos
		draw_area()
	if Input.is_action_just_released("LeftClick"):
		if startV.distance_to(mousePos) > 20:
			end = mousePosGlobal
			endV = mousePos
			isDragging = false
			draw_area(false)
			emit_signal("area_selected")
		else:
			end = start
			isDragging = false
			draw_area(false)
func _input(event: InputEvent) -> void:
	if event is InputEventMouseButton:
		mousePos = event.position
		mousePosGlobal = event.global_position


func draw_area(s: bool = true) -> void:
	var int_s: int = int(s)
	var area_size: Vector2 =  Vector2(abs(startV.x - endV.x) + int_s, abs(startV.y - endV.y) + int_s)
	var area_position: Vector2 = Vector2(minf(startV.x, endV.x), minf(startV.y, endV.y))
	panel.size = area_size
	panel.position = area_position