class_name Bullet extends Area2D var speed = 700 signal bulletDamageSignal(body, bullet) func _ready() -> void: pass pass func setSpeed(value): speed = value func _physics_process(delta: float) -> void: position += transform.x * speed * delta func _on_area_entered(area): print("bullet is hitting area") if area is Slime: bulletDamageSignal.emit(area,self)