Reorder declarations to minimise padding

Author: sami-hatna66

external/Actor.hpp

@@ -36,18 +36,18 @@
 
 class Actor {
   private:
-    sycl::float2 pos;
-    sycl::float2 velocity;
-    float desiredSpeed;
-    int pathId;
-    int destinationIndex;
-    float mass;
-    float radius;
-    bool atDestination;
-    std::array<int, 3> color;
-    std::array<int, 2> bBox;
-    uint seed;
-    float force;
+    std::array<int, 3> color; // 12 bytes
+    sycl::float2 pos; // 8 bytes
+    sycl::float2 velocity; // 8 bytes
+    std::array<int, 2> bBox; // 8 bytes
+    float desiredSpeed; // 4 bytes
+    int pathId; // 4 bytes
+    int destinationIndex; // 4 bytes
+    float mass; // 4 bytes
+    float radius; // 4 bytes
+    uint seed; // 4 bytes
+    float force; // 4 bytes
+    bool atDestination; // 1 byte
 
   public:
     Actor(sycl::float2 pPos, sycl::float2 pVelocity, float pdesiredSpeed, int pPathId,

external/Path.hpp

@@ -37,8 +37,8 @@ const int PATHALLOCATIONSIZE = 10;
 
 class Path {
   private:
-    int id;
     std::array<std::array<sycl::float2, 2>, PATHALLOCATIONSIZE> checkpoints;
+    int id;
     int pathSize;
 
   public: