Extracted movement and turret into 'components' that entity get add to its self when defined

lib/components/movement.rb

@@ -0,0 +1,31 @@
+class IMICRTS
+  class Movement < Component
+    attr_accessor :pathfinder
+    def initialize(parent:)
+      @parent = parent
+    end
+
+    def rotate_towards(vector)
+      _angle = Gosu.angle(@parent.position.x, @parent.position.y, vector.x, vector.y)
+      a = (360.0 + (_angle - @parent.angle)) % 360.0
+
+      # FIXME: Fails if vector is directly behind entity
+      if @parent.angle.between?(_angle - 3, _angle + 3)
+        @parent.angle = _angle
+      elsif a < 180
+        @parent.angle -= 1.0
+      else
+        @parent.angle += 1.0
+      end
+
+      @parent.angle %= 360.0
+    end
+
+    def follow_path
+      if @pathfinder && node = @pathfinder.path_current_node
+        @pathfinder.path_next_node if @pathfinder.at_current_path_node?(@parent)
+        @parent.position -= (@parent.position.xy - node.tile.position.xy).normalized * @parent.speed
+      end
+    end
+  end
+end