static body, rigid body, character body, area2d, gamecontroller, custom signal

scripts/gamecontroller.gd

@@ -0,0 +1,21 @@
+extends Node2D
+
+
+# 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_areatrigger(effect, body) -> void:
+	print("Game controller knows about trigger")
+	if effect == "destroy":
+		print("Destroy this thing")
+		body.queue_free()
+		
+	if effect == "powerup":
+		print("power up the player")

scripts/gamecontroller.gd.uid

@@ -0,0 +1 @@
+uid://dflv3rb4v8c0r

scripts/trigger.gd

@@ -0,0 +1,19 @@
+extends Area2D
+
+@export var effect = "destroy"
+
+signal areatrigger(effect, Object)
+# 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("Trigger entered")
+	#broadcast to controller
+	areatrigger.emit(effect, body)

scripts/trigger.gd.uid

@@ -0,0 +1 @@
+uid://ixnbwhm0ptg5