Added Director, Player and stubbed Order, mostly working Entity#rotate_towards

lib/player.rb

@@ -0,0 +1,20 @@
+class IMICRTS
+  class Player
+    attr_reader :id, :name, :entities, :orders, :camera
+    def initialize(id:, name: nil)
+      @id = id
+      @name = name ? name : "Novice-#{id}"
+
+      @entities = []
+      @orders = []
+      @camera = Camera.new
+    end
+
+    def tick
+      puts "Player #{@id}-#{@name} ticked: #{Gosu.milliseconds}"
+    end
+
+    def entity(id)
+    end
+  end
+end