+ preferences: [
+ {name: "chaos", label: "Chaos", kind: "Slider", minimum: 1.0, maximum: 10.0, snap: 0.1},
+ {name: "color1", label: "Primary Color", kind: "ListSelector", items: colorList},
+ {name: "color2", label: "Secondary Color", kind: "ListSelector", items: colorList},
+ ],
+ chaos: 1.0,
+ color1: 'white',
+ color2: 'black',