1 files changed, 24 insertions, 0 deletions
diff --git a/lib/felecs/order.rb b/lib/felecs/order.rb
new file mode 100644
index 0000000..3e9b656
--- /dev/null
+++ b/lib/felecs/order.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+module FelECS
+  module Order
+    # Sets the priority of all items passed into this method
+    # according to the order they were passed.
+    # If an array is one of the elements then it will give all
+    # of those elements in the array the same priority.
+    # @param sortables [(Systems and Array<Systems>) or (Scenes and Array<Scenes>)]
+    # @return [Boolean] +true+.
+    def self.sort(*sortables)
+      sortables.each_with_index do |sorted, index|
+        if sorted.respond_to? :priority
+          sorted.priority = index
+        else
+          sorted.each do |item|
+            item.priority = index
+          end
+        end
+      end
+      true
+    end
+  end
+end