Build A City

Scan an area while placing buildings, cars, and roads around you. Build a city like Age of Empires, SimCity, or Minecraft.

Mapping & Saving

  1. 1.
    Open the app
  2. 2.
    Tap New Map
  3. 3.
    Place all the objects your heart desires
  4. 4.
    Pay attention to the Save Button, it will only turn blue if the map is good enough to save, Scan your environment until the button turns blue.
  5. 5.
    Save Map


  1. 1.
    Click Load Map
  2. 2.
    Point towards the area where you built your city
  3. 3.

Concepts in this sample app

  • Mapping (more info here)
  • Saving (more info here)
  • Relocalization (more info here)
  • Minimum map quality threshold (more info here)
  • ARkit Hittesting (more info here)
Plus a new concept:
  • Meta Data Usage by saving the positions of multiple objects in the scene.