working more

game/position.rb

@@ -0,0 +1,41 @@
+# Nathan Hinton 2 Oct 2025
+
+
+# A helper class for storing and converting universe point formats:
+class Position
+  attr_reader :x_pos, :y_pos, :a, :b, :c
+  def initialize(*args)
+    if args.length == 2
+      # initialize with x, y position:
+      if args.sum.odd?
+        raise ArgumentError.new('A position created in (x, y) must sum to an even number!')
+      end
+      @x_pos = args[0]
+      @y_pos = args[1]
+    elsif args.length == 3
+      # initialize with a, b, c position
+      raise NotImplementedError.new('(a, b, c) positioning not implimented!')
+    else
+      require 'byebug';debugger
+      raise ArgumentError.new('Creation of a position requires two or three integer args for a position.')
+    end
+  end
+
+  # Returns the corrdinates in the 2d plane in a 3 axis notation.
+  #
+  # @return [Array<Integer>] The (a, b, c) position
+  def two_d_hexagonal
+    return [a, b, c]
+  end
+
+  # Returns the coordinates in the 2d plane
+  #
+  # @return [Array<Integer>] The (x, y) position
+  def two_d_cartesian
+    return [x_pos, y_pos]
+  end
+
+  def to_s
+    return "(#{@x_pos}, #{y_pos})"
+  end
+end