Initial files

scripts/spawner_asteroids.gd

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+extends Node
+
+const WAVE_TIME = 12
+onready var asteroid_scn = preload("res://scenes/asteroid.tscn")
+export var amount = 2
+var timer = 5
+
+func _ready():
+	set_process(true)
+	
+	
+func _process(delta):
+	if game_manager.state == game_manager.STATE_GAMEOVER: return
+	timer -= delta 
+	if timer <= 0:
+		for i in range(amount + game_manager.stage):
+			spawn_asteroid()
+		timer = WAVE_TIME
+	
+func spawn_asteroid():
+	var new_asteroid = asteroid_scn.instance()
+	add_child(new_asteroid)
+	game_manager.add_asteroid()