default_launch.json

{
  "template": "small",
  "world": {
    "chunkEdgeLengthMeters": 50,
    "snapshots": {
      "snapshotWritePeriodSeconds": 0
    },
    "dimensions": {
      "xMeters": 1500,
      "zMeters": 1500
    },
    "legacyFlags": [
      {
        "name": "load_snapshot_at_startup",
        "value": "true"
      },
      {
        "name": "snapshot_source_file",
        "value": "snapshots/initial_world.snapshot"
      },
      {
        "name": "snapshot_storage_type",
        "value": "file"
      }
    ]
  },
  "workers": [
    {
      "worker_type": "UnityFSim",
      "flags" : [],
      "load_balancing": {
        "dynamic_loadbalancer": {
          "worker_scaler_config": {
            "constant_config": {
              "num_workers": 2
            }
          },
          "worker_placer_config": {
            "random_params": {}
          },
          "loadbalancer_config": {
            "min_range_meters": 500.0,
            "max_range_meters": 1000.0,
            "speed_meters_per_second": 100.0,
            "expansion_time_millis": 60000
          }
        }
      },
      "permissions": [
        {
          "all": {}
        }
      ]
    },
    {
      "worker_type": "UnityClient",
      "permissions": [
        {
          "all": {}
        }
      ]
    }
  ]
}