class_name BuilderObject
extends Node2D


var is_colliding = false
var is_dragged = false

var mouse_offset = Vector2(0,0)
var last_position = Vector2(0,0)


func _ready():
	$CollisionShape.texture.width = $Area2D/CollisionShape2D.shape.size.x


func _process(_delta):
	if is_dragged:
		position = get_global_mouse_position() + mouse_offset


func _on_area_2d_input_event(_viewport, event: InputEvent, _shape_idx):
	if event.is_action_pressed("drag_start"):
		drag_start()
	if event.is_action_released("drag_start"):
		drag_end()


func drag_start():
	if get_viewport():
		mouse_offset = position - get_global_mouse_position()
		last_position = position
		
	is_dragged = true

func drag_end():
	if is_dragged and is_colliding:
		if last_position != Vector2(0,0):
			position = last_position
		else:
			queue_free()
		
	is_dragged = false


func _on_area_2d_area_entered(_area):
	is_colliding = true
	modulate = Color("bb5a4b")


func _on_area_2d_area_exited(_area):
	#if $Area2D.get_overlapping_areas().size() == 0:
	is_colliding = false
	modulate = Color("fff")