Added Interact system with a raycast

Assets/scripts/InteractRay.gd

@@ -0,0 +1,17 @@
+extends RayCast3D
+
+@onready var prompt = $"Prompt"
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	add_exception(owner)
+
+func _physics_process(delta):
+	prompt.text = ""
+	if is_colliding():
+		var collider = get_collider()
+		if collider is Interactable:
+			prompt.text = "Press E"
+		if Input.is_action_just_pressed("interact"):
+			collider.interact(owner)
+