{
    "point_light": {
	"position": [0.0, 0.9, -1.0]
    },
    
    "sphere": {
	"position": [0.2, 0.0, -0.75],
	"radius": 0.25,
	"material": {
	    "diffuse": [1.0, 1.0, 1.0],
	    "rho": 0.2
	}
    },

    "sphere": {
	"position": [-0.5, -0.5, -1.5],
	"radius": 0.5,
	"material": {
	    "diffuse": [0.0, 0.0, 0.0],
	    "rho": 1.0
	}
    },

    "sphere": {
	"position": [-0.5, -0.5, 0.6],
	"radius": 0.5,
	"material": {
	    "diffuse": [1.0, 1.0, 0.0],
	    "transmissive": true,
	    "ref_index": 1.33
	}
    },

    "disk": {
	"position": [-0.25, 1.0, -1.0],
	"normal": [1.0, 0.0, 0.0],
	"radius": 0.25,
	"material": {
	    "diffuse": [1.0, 1.0, 1.0],
	    "specular": [0.0, 0.0, 0.0]
	}
    },

    "disk": {
	"position": [0.25, 1.0, -1.0],
	"normal": [-1.0, 0.0, 0.0],
	"radius": 0.25,
	"material": {
	    "diffuse": [1.0, 1.0, 1.0],
	    "specular": [0.0, 0.0, 0.0]
	}
    },

    "disk": {
	"position": [0.0, 1.0, -1.25],
	"normal": [0.0, 0.0, 1.0],
	"radius": 0.25,
	"material": {
	    "diffuse": [1.0, 1.0, 1.0],
	    "specular": [0.0, 0.0, 0.0]
	}
    },

    "disk": {
	"position": [0.0, 1.0, -0.75],
	"normal": [0.0, 0.0, -1.0],
	"radius": 0.25,
	"material": {
	    "diffuse": [1.0, 1.0, 1.0],
	    "specular": [0.0, 0.0, 0.0]
	}
    },

    "plane": {
	"position": [0.0, -1.0, 0.0],
	"normal": [0.0, 1.0, 0.0],
	"material": {
	    "diffuse": [0.0, 1.0, 0.0],
	    "specular": [0.0, 0.0, 0.0]
	}
    },

    "plane": {
	"position": [-2.0, 0.0, 0.0],
	"normal": [1.0, 0.0, 0.0],
	"material": {
	    "diffuse": [1.0, 0.0, 0.0],
	    "specular": [0.0, 0.0, 0.0]
	}
    },

    "plane": {
	"position": [2.0, 0.0, 0.0],
	"normal": [-1.0, 0.0, 0.0],
	"material": {
	    "diffuse": [0.0, 0.0, 1.0],
	    "specular": [0.0, 0.0, 0.0]
	}
    },

    "plane": {
	"position": [0.0, 1.0, 0.0],
	"normal": [0.0, -1.0, 0.0],
	"material": {
	    "diffuse": [0.0, 1.0, 1.0],
	    "specular": [0.0, 0.0, 0.0]
	}
    },

    "plane": {
	"position": [0.0, 0.0, -2.0],
	"normal": [0.0, 0.0, 1.0],
	"material": {
	    "diffuse": [1.0, 0.0, 1.0],
	    "specular": [0.0, 0.0, 0.0]
	}
    },

    "plane": {
	"position": [0.0, 0.0, 1.1],
	"normal": [0.0, 0.0, -1.0],
	"material": {
	    "diffuse": [1.0, 1.0, 0.0],
	    "specular": [0.0, 0.0, 0.0]
	}
    }
}