gameplay start

scenes/objects/game/comet.gd

@@ -0,0 +1,14 @@
+extends Node2D
+
+var speed = 100
+var scene
+
+func _ready() -> void:
+	scene = self.get_parent()
+	
+func _process(delta: float) -> void:
+	self.position.y += speed*delta
+	
+	if self.position.y >= 720:
+		scene.comets.erase(self)
+		self.queue_free()