Basic simple animations where the enemies just move forward.

components.hpp

@@ -4,6 +4,8 @@
 #include "config.hpp"
 #include "dinky_components.hpp"
 #include "point.hpp"
+#include <SFML/System/Vector2.hpp>
+#include <SFML/Graphics/Rect.hpp>
 
 namespace components {
   struct Player {
@@ -83,6 +85,23 @@ namespace components {
     string name;
   };
 
+  struct Animation {
+    float scale = 0.0f;
+    bool simple = true;
+    int frames = 10;
+    int current = 0;
+
+    void step(sf::Vector2f& scale_out, sf::IntRect& rect_out) {
+      if(current < frames) {
+        scale_out.x += scale;
+        scale_out.y += scale;
+        current++;
+      }
+
+      (void) rect_out;
+    }
+  };
+
   void configure(ComponentMap& component_map);
 
   // these need to be here if you're using components::convert outside of components.cpp