gdscript custom signals code example
Example 1: custom signal godot
extends Node2D
signal my_signal
func _ready():
emit_signal("my_signal")
Example 2: godot connect signal code
extends Node2D
func _ready():
$Timer.connect("timeout", self, "_on_Timer_timeout")
func _on_Timer_timeout():
$Sprite.visible = !$Sprite.visible