1 files changed, 4 insertions, 11 deletions
diff --git a/Reader.cpp b/Reader.cpp
index f5c8de3..f7c7ed6 100644
--- a/Reader.cpp
+++ b/Reader.cpp
@@ -1,11 +1,11 @@
 #include "Reader.h"
 
-#include <cmath>
 #include <vector>
 
 #include "Grid.h"
 #include "LongVector3.h"
 #include "Source.h"
+#include "Utils.h"
 #include "Wreck.h"
 
 
@@ -51,17 +51,10 @@ Reader::read(Source& source)
 Grid&
 find_grid_for(std::vector<Grid>& grids, const LongVector3& position)
 {
-    for (auto& grid : grids) {
-        for (auto& wreck : grid.wrecks) {
-            const long double dist =
-                std::sqrt(
-                    std::pow(position.x - wreck.killmail.position.x, 2) +
-                    std::pow(position.y - wreck.killmail.position.y, 2) +
-                    std::pow(position.z - wreck.killmail.position.z, 2));
-            if (dist < EXTENT)
+    for (auto& grid : grids)
+        for (auto& wreck : grid.wrecks)
+            if (dist3(position, wreck.killmail.position) < EXTENT)
                 return grid;
-        }
-    }
     grids.push_back(Grid{});
     return grids.back();
 }