{
  "camera_zoom_max": 0,
  "fog_end": 150,
  "gravity_acceleration": 0,
  "characters": [
    {
      "id": "space",
      "base": true,
      "spawn": false
    }
  ],
  "prefabs": [
    {
      "type": "webgl_primitive_particle",
      "properties": {
        "id": "stars",
        "entities": [
          {
            "id": "stars",
            "draw_mode": "POINTS",
            "point_size": 200,
            "rotate_x": 90,
            "vertex_repeat": 1000
          }
        ],
        "groups": ["skybox"],
        "particle": {
          "speed_y": 1,
          "x_max": 90,
          "x_min": -90,
          "y_max": 150,
          "y_min": -150,
          "z_max": 90,
          "z_min": -90
        }
      }
    }
  ]
}