{
    "environment": {
	"color": [0.0, 0.0, 0.0]
    },

    "sphere": {
	"position": [0.0, 0.0, -2.0],
	"radius": 0.5,
	"material": {
	    "diffuse": [1.0, 1.0, 0.0],
	    "transmissive": true,
	    "ref_index": 1.33
	}
    },

    "disk_area_light": {
	"position": [0.0, 1.0, -2.0],
	"normal": [0.0, -1.0, -2.0],
	"radius": 0.15,
	"material": {
	    "emission": [1.0, 1.0, 1.0]
	}
    },

    "plane": {
	"position": [0.0, -1.0, 0.0],
	"normal": [0.0, 1.0, 0.0],
	"material": {
	    "diffuse": [0.0, 0.5, 1.0],
	    "specular": [0.0, 0.0, 0.0]
	}
    },

    "disk": {
	"position": [-1.0, 0.0, -3.0],
	"normal": [1.0, 0.0, 1.0],
	"radius": 3.0,
	"material": {
	    "diffuse": [1.0, 0.5, 0.0]
	}
    }
}