{
  "physics": {
    "collisionGroups": [
      {
        "index": 1,
        "name": "PLAYER"
      },
      {
        "index": 2,
        "name": "ENEMY"
      },
      {
        "index": 3,
        "name": "WEAPON"
      }
    ],
    "collisionMatrix": {
      "0": 0,
      "1": 4,
      "2": 10,
      "3": 4
    }
  }
}