grunk/src/world/mechanics/heart/gunk_heart.gd

@tool
extends GunkNode
## Periodically emits a pulse.

## Emitted at a regular interval.
signal pulsed

## Time in seconds between pulses.
@export var interval := 3.0

@export var quick_connect_to: SignalNode:
	set = _editor_connect

@onready var pulse_timer: Timer = %PulseTimer
@onready var animation_player: AnimationPlayer = %AnimationPlayer


func _ready() -> void:
	if not Engine.is_editor_hint():
		pulse_timer.start(interval)


func pulse() -> void:
	# TODO animation
	animation_player.play("pulse")
	pulsed.emit()


func _editor_connect(node: SignalNode) -> void:
	self.pulsed.connect(node.pulse, CONNECT_PERSIST)
	self.notify_property_list_changed()