{
    "geometry":[{
        "type":"sphere",
        "centre":[0, 0, -4],
        "radius":2,
        
        "ac":[0,1,0],
        "dc":[1,0,0],
        "sc":[1,1,1],
        
        "ka":1,
        "kd":1,
        "ks":1,
        
        "pc":10
    }
    ],
    "light":[{
        "type":"point",
        "centre":[0, 0, 0],
        "id":[1, 1, 1],
        "is":[1, 1, 1]
        
    }],
    "output":[{
        "filename":"test_scene1.ppm",
        "size":[500,500],
        "lookat":[0,0,-1],
        "up":[0,1,0],
        "fov":90,
        "centre":[0,0,0],
        "ai":[1,1,1],
        "bkc":[1,1,1]
    }
    ]
}