The flame shader now only turns on when facing an enemy. Next is tagging enemies with specific shaders to apply at a specific time.

raycaster.hpp

@@ -13,6 +13,7 @@ struct Raycaster {
   int $pitch=0;
   sf::Clock $clock;
   std::shared_ptr<sf::Shader> $brightness = nullptr;
+  std::shared_ptr<sf::Shader> $flame = nullptr;
   double $pos_x = 0;
   double $pos_y = 0;
 
@@ -62,4 +63,5 @@ struct Raycaster {
   void update_level(GameLevel level);
   void update_sprite(DinkyECS::Entity ent, components::Sprite& sprite);
   void init_shaders();
+  void apply_sprite_effect(shared_ptr<sf::Shader> effect, float width, float height);
 };