{
  "camera": {
    "type": "perspective",
    "focal_length": 3,
    "eye": [0,0,5],
    "up": [0,1,0],
    "look": [0,0,-1],
    "height": 1,
    "width": 1.7777777778
  },

  "materials": [
    {
      "name": "orange plastic",
      "ka": [1, 0.7, 0.2],
      "kd": [1.0, 0.7, 0.2],
      "ks": [0.8,0.8,0.8],
      "km": [0.05,0.05,0.05],
      "phong_exponent": 1000
    },
    {
      "name": "teal plastic",
      "ka": [0.2, 1, 0.7],
      "kd": [0.2, 1, 0.7],
      "ks": [0.8,0.8,0.8],
      "km": [0.05,0.05,0.05],
      "phong_exponent": 1000
    },
    {
      "name": "Lambertian blue",
      "ka": [0.2, 0.3, 0.8],
      "kd": [0.2, 0.3, 0.8],
      "ks": [0.1,0.1,0.1],
      "km": [0.3,0.3,0.3],
      "phong_exponent": 20
    }
  ],
  "lights":[
    {
      "type": "directional",
      "direction": [0,0,-1],
      "color": [0.8,0.8,0.8]
    },
    {
      "type": "point",
      "position": [-10,20,10],
      "color": [0.8,0.8,0.8]
    }
  ],

  "objects": [
    {
      "type": "sphere",
      "material": "teal plastic",
      "center": [-0.6,-0.5,-3],
      "radius": 0.5
    },
    {
      "type": "sphere",
      "material": "orange plastic",
      "center": [1.0,0,-4],
      "radius": 1.0
    },
    {
      "type": "plane",
      "material": "Lambertian blue",
      "point": [0,-1,0],
      "normal": [0,1,0]
    }
  ]
}