added building mode for cart

Scripts/camera_3d.gd

@@ -1,11 +1,16 @@
 extends Camera3D
 
 @export var rayLength: float
-func getGlobalMousePosition() -> Vector3:
+
+var debugLabel
+func _ready() -> void:
+	debugLabel = $DebugLabel1
+
+func getGlobalRayTargetObject():
 	var space = get_world_3d().direct_space_state
 	var mousePos = get_viewport().get_mouse_position()
 	var from = self.project_ray_origin(mousePos)
 	var to = from + self.project_ray_normal(mousePos) * rayLength
 	var query = PhysicsRayQueryParameters3D.create(from,to)
 	var collison = space.intersect_ray(query)
-	return collison.position
+	return collison