{
    "features": [
        {
            "type": "box",
            "position": [
                2,
                0,
                2
            ],
            "size": [
                1,
                1,
                1
            ]
        },
        {
            "type": "box",
            "position": [
                -2,
                0,
                -2
            ],
            "size": [
                1,
                2,
                1
            ]
        },
        {
            "type": "obstacle",
            "position": [
                0,
                0,
                3
            ],
            "radius": 0.5
        }
    ]
}