black hole for my friend

black_hole.gd

extends Area

# I write this with out godot - it can have small errors

export var suck_speed = 5
var objects_in = []

func _ready():
  connect("body_entered", self, "on_body_enter")
 
func on_body_enter(body):
  if not (body in objects_in):
    objects_in.append(body)

func _physic_process(delta):
  if objects_in.size() == 0:
    return
  
  for obj in objects_in:
    ## this move obj for its current postion to black hole postion with suck_speed
    obj.translation = lerp(obj.translation, translation, dealta * suck_speed)
    
    ## this will remove object if it is in center of black hole
    if obj.translation.distance(translation) == 0:
      objects_in.erase(obj)
      obj.queue_free()