parralax background, two terrains, collectable coin, some graphics, physics layer

scripts/coin.gd

@@ -0,0 +1,17 @@
+class_name Coin extends Area2D
+
+signal coinCollectedSignal(body, coin)
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+
+func _on_body_entered(body: Node2D) -> void:
+	print ("Coin sees collision")
+	coinCollectedSignal.emit(body, self)

scripts/coin.gd.uid

@@ -0,0 +1 @@
+uid://5xeni5cm0285

scripts/gamecontroller.gd

@@ -1,6 +1,7 @@
 extends Node2D
 
 
+var totalCoinsAvailable = 0
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
 	pass # Replace with function body.
@@ -19,3 +20,10 @@ func _on_areatrigger(effect, body) -> void:
 		
 	if effect == "powerup":
 		print("power up the player")
+
+func totalCoinCount(totalCoins):
+	print("GC knows coin total"+str(totalCoins) )
+	totalCoinsAvailable = totalCoins
+func coinCollected(body, coin):
+	print("GC knows coin collected")
+	coin.queue_free()

scripts/scene_manager.gd

@@ -6,10 +6,17 @@ var totalAllowedBullets = 7
 @onready var triggers: Node2D = $"../triggers"
 
 @onready var gameController: Node2D = $".."
+@onready var coins: Node2D = $"../Coins"
 
 func _ready() -> void:
 	for obj in triggers.get_children():
 		obj.areatrigger.connect(gameController._on_areatrigger)
+	var coinCount = 0
+	for obj in coins.get_children():
+		obj.coinCollectedSignal.connect(gameController.coinCollected)
+		coinCount +=1
+	#send the info to game controller
+	gameController.totalCoinCount(coinCount)
 #makes bullets
 func bulletFactory():
 	var mybullet