Set direction to the top neighbor as random one

physarumAdv · Oct 31, 2020 · d5411a5 · d5411a5
1 parent ea5956f
commit d5411a5
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/simulation_objects/SimulationMap.cu b/src/simulation_objects/SimulationMap.cu
@@ -38,8 +38,11 @@ __device__ SimulationMap::SimulationMap(Polyhedron *polyhedron) :
     nodes[0] = MapNode(polyhedron, start_face, start_node_coordinates);
     n_of_nodes = 1;
 
-    // Direction vector parallel to the vertical edges of cube
-    SpacePoint direction_vector = {0, 0, 1};
+    // Direction vector of the first node to the top neighbor
+    SpacePoint direction_vector = relative_point_rotation(start_node_coordinates, start_face->get_vertices()[0],
+                                                          start_face->get_normal(), M_PI * 2 * rand0to1()) -
+                                  start_node_coordinates;
+
     /**
      * Array of direction vectors from nodes with the same index
      * as in `SimulationMap::nodes` array to their top neighbors