{ "camera": { "type": "perspective", "focal_length": 3, "eye": [0,0,5], "up": [0,1,0], "look": [0,0,-1], "height": 1, "width": 1.7777777778 }, "objects": [ { "type": "sphere", "center": [-0.6,0,0], "radius": 0.5 }, { "type": "sphere", "center": [1.0,0,-4], "radius": 1.0 }, { "type": "plane", "point": [0,-1,0], "normal": [0,1,0] } ] }