32 lines
402 B
GDScript
32 lines
402 B
GDScript
extends Object
|
|
class_name Queue
|
|
|
|
var __queue = []
|
|
var busy = false
|
|
|
|
func append(element)->void :
|
|
if busy:
|
|
return
|
|
|
|
busy = true
|
|
|
|
__queue.append(element)
|
|
|
|
busy = false
|
|
|
|
func pop_next():
|
|
if busy:
|
|
return
|
|
|
|
busy = true
|
|
|
|
var element = __queue[0]
|
|
|
|
__queue.pop_front()
|
|
|
|
busy = false
|
|
|
|
return element
|
|
|
|
func is_empty()->bool:
|
|
return __queue.size() == 0
|