Added raycast

Added making object interactable
Added slider + knob

scenes/Camera3D.gd

@@ -0,0 +1,27 @@
+extends Camera3D
+
+@onready var raycast : RayCast3D = $RayCast3D
+var last_collided_object : CollisionObject3D = null
+
+func _process(_delta : float) -> void:
+	check_interaction()
+
+func check_interaction() -> void:
+	if raycast.is_colliding():
+		var collider : CollisionObject3D = raycast.get_collider()
+		if collider != last_collided_object:
+			if last_collided_object != null:
+				print("Stopped looking at interactable object:", last_collided_object.name)
+				if last_collided_object.has_method("make_interactable"):
+					last_collided_object.make_interactable(false)
+			print("Started looking at interactable object:", collider.name)
+			last_collided_object = collider
+			if collider.has_method("make_interactable"):
+				collider.make_interactable(true)
+			
+	else:
+		if last_collided_object != null:
+			print("Stopped looking at interactable object:", last_collided_object.name)
+			if last_collided_object.has_method("make_interactable"):
+				last_collided_object.make_interactable(false)
+			last_collided_object = null