A bit of refactor to put apply in Animation where it belongs.

components.hpp

@@ -5,6 +5,7 @@
 #include "point.hpp"
 #include <SFML/Graphics/Rect.hpp>
 #include <SFML/Graphics/Shader.hpp>
+#include <SFML/Graphics/Sprite.hpp>
 #include <SFML/System/Vector2.hpp>
 #include <functional>
 #include <optional>
@@ -138,6 +139,7 @@ namespace components {
     int frame_width = -1;
     int frame_height = -1;
 
+    bool apply(sf::Sprite& target, sf::Vector2f pos);
     void play();
     float twitching();
     void step(sf::Vector2f& scale_out, sf::Vector2f& pos_out, sf::IntRect& rect_out);