Basic arena working that lets me work on the boss fight system quicker.

boss/ui.cpp

@@ -82,7 +82,6 @@ namespace boss {
   }
 
   void UI::render(sf::RenderWindow& window) {
-
     $actions.render(window);
     $combat_ui.render(window);
 
@@ -139,6 +138,8 @@ namespace boss {
       // deltaTime = end - start
       // lerp(a, b, 1 - f ^ deltaTime)
       // std::this_thread::sleep_for(16ms);
+    } else {
+      animation::apply($boss_anim, *$boss_sprite.sprite, $boss_pos);
     }
   }
 }