extends Node3D
class_name Particle

var life_time : float
var is_pause : bool = false

func _ready():
	for child in get_children():
		if child is GPUParticles3D:
			var particle = child as GPUParticles3D
			if particle.lifetime > life_time:
				life_time = particle.lifetime
			particle.restart()

func _process(delta):
	if is_pause:
		return
	life_time -= delta
	if life_time <= 0:
		queue_free()

func set_pause(is_pause_set:bool):
	is_pause = is_pause_set
	for child in get_children():
		if child is GPUParticles3D:
			var particle = child as GPUParticles3D
			particle.speed_scale = 0 if is_pause else 1