Added actual images and prepared to add extractors

extractor.rb

@@ -0,0 +1,26 @@
+# Nathan Hinton
+#
+# When placed it will extract numbers at a specified rate and place them on any
+# conveyer belts that are adjacent to it.
+
+class Extractor
+  def initialize(x, y, box_size)
+    @x = x
+    @y = y
+    @box_size = box_size
+    @image = Gosu.render(@box_size - (2 * BORDER), @box_size - (2 * BORDER)) {
+      Gosu::Image.new('assets/images/producer.png').draw(0, 0, 0, @box_size / 32.0, @box_size / 32.0)
+      Gosu::Image.from_text("#{@number}", 20, font: FONT_PATH).draw(10 / 32.0 * @box_size, (8 / 32.0 * @box_size), 1, 2, 2, 0xFFFA32C0)
+    }
+  end
+
+  def update(delta_mult, camera_x, camera_y)
+    @draw_x = (((((@screen_width / @box_size.to_f) / 2.0) + (@x - camera_x) * camera_zoom) * @box_size) + BORDER * camera_zoom)
+    @draw_y = (((((@screen_height / @box_size.to_f) / 2.0) + (@y - camera_y) * camera_zoom) * @box_size) + BORDER * camera_zoom)
+    @camera_zoom = camera_zoom
+  end
+
+  def draw()
+    @image.draw(@draw_x, @draw_y, 0, @camera_zoom, @camera_zoom)
+  end
+end