Added reasons to assertions

assets/games/liminal/scenes/SceneStandard.xml

@@ -46,8 +46,8 @@
   <!-- Code to handle scene resizing and auto adjusting the scene camera -->
   <code type="init">
     useEvent([&amp;]{
-      assertNotNull(camTexture);
-      assertNotNull(image);
+      assertNotNull(camTexture, "Camera texture cannot be null.");
+      assertNotNull(image, "Image cannot be null.");
       camTexture->renderTarget.setSize(image->getWidth(), image->getHeight());
     }, image->eventAlignmentUpdated);
   </code>