added moving platforms and "collectable" coins and death barrier

Scripts/camera_2d.gd

@@ -0,0 +1,11 @@
+extends Camera2D
+
+
+# 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

Scripts/coin.gd

@@ -0,0 +1,16 @@
+extends Area2D
+
+
+# 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 touched")
+	queue_free()

Scripts/kill_zone.gd

@@ -0,0 +1,23 @@
+extends Area2D
+@onready var timer: Timer = $Timer
+
+
+# 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("you died")
+	timer.start()
+	
+	
+
+
+func _on_timer_timeout() -> void:
+	get_tree().reload_current_scene()