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.

tests/spatialmap.cpp

@@ -3,6 +3,7 @@
 #include <string>
 #include "spatialmap.hpp"
 #include "dinkyecs.hpp"
+#include "rand.hpp"
 
 using DinkyECS::Entity;
 using namespace fmt;
@@ -135,3 +136,29 @@ TEST_CASE("check all diagonal works", "[collision]") {
     }
   }
 }
+
+TEST_CASE("confirm can iterate through all", "[spatialmap-sort]") {
+  DinkyECS::World world;
+  SpatialMap collider;
+  Point player{10,10};
+
+  for(int i = 0; i < 10; i++) {
+    size_t max = Random::uniform<size_t>(2,30);
+    for(size_t i = 0; i < max; i++) {
+      size_t x = Random::uniform<size_t>(0, 213);
+      size_t y = Random::uniform<size_t>(0, 251);
+
+      Entity ent = world.entity();
+      collider.insert({x,y}, ent);
+    }
+
+    auto sprite_distance = collider.distance_sorted(player);
+
+    int prev_dist = 0;
+
+    for(auto dist : sprite_distance) {
+      REQUIRE(prev_dist <= dist.first);
+      prev_dist = dist.first;
+    }
+  }
+}