lib/fantasy/camera.rb in fantasy-0.1.3 vs lib/fantasy/camera.rb in fantasy-0.1.5

@@ -1,7 +1,31 @@
 class Camera
-  attr_accessor :position
+  include MoveByCursor
 
+  attr_accessor :position, :direction, :speed
+
   def initialize(position: Coordinates.zero)
     @position = position
+    @direction = Coordinates.zero
+    @speed = 0
+    @moving_with_cursors = false
+    @on_after_move_callback = nil
+  end
+
+  def move_with_cursors
+    @moving_with_cursors = true
+  end
+
+  def move
+    calculate_direction_by_cursors if @moving_with_cursors
+
+    if @direction != Coordinates.zero && !@speed.zero?
+      @position = @position + (@direction * @speed * Global.frame_time)
+    end
+
+    @on_after_move_callback.call unless @on_after_move_callback.nil?
+  end
+
+  def on_after_move(&block)
+    @on_after_move_callback = block
   end
 end