Hotfix get images from multiple drones: simGetImages() was only retur…

…ning images for one drone when asking for images from multiple drones

Unity/UnityDemo/Assets/AirSimAssets/Scripts/Vehicles/Vehicle.cs

@@ -343,10 +343,25 @@ private void InitializeVehicle() {
             captureResetEvent = new AutoResetEvent(false);
         }
 
+        private GameObject FindChildWithTag(GameObject parent, string tag) {
+            GameObject child = null;
+
+            foreach(Transform transform in parent.transform) {
+                if(transform.CompareTag(tag)) {
+                    child = transform.gameObject;
+                    break;
+                }
+            }
+
+            return child;
+        }
+
         //Register all the capture cameras in the scene for recording and data capture.
         //Make sure every camera is a child of a gameobject with tag "CaptureCameras"
         private void SetUpCameras() {
-            GameObject camerasParent = GameObject.FindGameObjectWithTag("CaptureCameras");
+            GameObject this_vehicle = GameObject.Find(this.name);
+            GameObject camerasParent = FindChildWithTag(this_vehicle, "CaptureCameras");
+
             if (!camerasParent) {
                 Debug.LogWarning("No Cameras found in the scene to capture data");
                 return;