updated heuristics of cubewars

Project/Assets/ML-Agents/Examples/CubeWars/Scripts/LargeCubeAgent.cs

         MoveAgent(vectorAction);
     }
 
-    public override float[] Heuristic()
+    public override void Heuristic(float[] actionsOut)
-        var action = new float[5];
-            action[2] = 2f;
+            actionsOut[2] = 2f;
-            action[0] = 1f;
+            actionsOut[0] = 1f;
-            action[1] = 1f;
+            actionsOut[1] = 1f;
-            action[1] = 2f;
+            actionsOut[1] = 2f;
-            action[2] = 1f;
+            actionsOut[2] = 1f;
-            action[0] = 2f;
+            actionsOut[0] = 2f;
-        action[3] = Input.GetKey(KeyCode.Space) ? 1.0f : 0.0f;
-        action[4] = Input.GetKey(KeyCode.O) ? 1.0f : 0.0f;
-        return action;
+        actionsOut[3] = Input.GetKey(KeyCode.Space) ? 1.0f : 0.0f;
+        actionsOut[4] = Input.GetKey(KeyCode.O) ? 1.0f : 0.0f;
     }
 
     public override void OnEpisodeBegin()

Project/Assets/ML-Agents/Examples/CubeWars/Scripts/SmallCubeAgent.cs

         MoveAgent(vectorAction);
     }
 
-    public override float[] Heuristic()
+    public override void Heuristic(float[] actionsOut)
-        var action = new float[4];
-            action[2] = 2f;
+            actionsOut[2] = 2f;
-            action[0] = 1f;
+            actionsOut[0] = 1f;
-            action[1] = 1f;
+            actionsOut[1] = 1f;
-            action[1] = 2f;
+            actionsOut[1] = 2f;
-            action[2] = 1f;
+            actionsOut[2] = 1f;
-            action[0] = 2f;
+            actionsOut[0] = 2f;
-        action[3] = Input.GetKey(KeyCode.Space) ? 1.0f : 0.0f;
-        return action;
+        actionsOut[3] = Input.GetKey(KeyCode.Space) ? 1.0f : 0.0f;
     }
 
     public override void OnEpisodeBegin()