Raycaster now controls the sprite locations with SpatialMap rather than the old way. Quick hack job in main.cpp that shows how they can move too.

spatialmap.cpp

@@ -64,3 +64,19 @@ FoundEntities SpatialMap::neighbors(Point cell, bool diag) const {
 
   return {!result.empty(), result};
 }
+
+SortedEntities SpatialMap::distance_sorted(Point from) {
+  SortedEntities sprite_distance;
+
+  for(const auto &rec : table) {
+    Point sprite = rec.first;
+    int inside = (from.x - sprite.x) * (from.x - sprite.x) +
+        (from.y - sprite.y) * (from.y - sprite.y);
+
+    sprite_distance.push_back({inside, rec.second});
+  }
+
+  std::sort(sprite_distance.begin(), sprite_distance.end());
+
+  return sprite_distance;
+}