{
  "params": {
    "scheme": {
      "type": "choice",
      "options": [
        "white",
        "gunmetal",
        "black",
        "patrol"
      ],
      "default": "white",
      "label": "Scheme",
      "describe": "Hull colours: white (corporate security), gunmetal (grey), black (stealth with yellow trim), patrol (navy hull with a white band)."
    },
    "eye": {
      "type": "choice",
      "options": [
        "red",
        "cyan",
        "amber",
        "green"
      ],
      "default": "red",
      "label": "Eye",
      "describe": "Colour of the glowing camera eye: red (menacing sentry), cyan (friendly helper), amber (warning) or green (all clear)."
    },
    "fans": {
      "type": "choice",
      "options": [
        2,
        4
      ],
      "default": 2,
      "label": "Fans",
      "describe": "Ducted fans: 2 (one each side, a compact orb) or 4 (on diagonal pylons, a heavier and wider drone)."
    },
    "spotlight": {
      "type": "toggle",
      "default": true,
      "label": "Spotlight",
      "describe": "A searchlight pod under the hull that lights the ground at night."
    },
    "size": {
      "type": "range",
      "min": 0.5,
      "max": 2.5,
      "step": 0.05,
      "default": 1,
      "label": "Size",
      "describe": "Uniform scale. 1 is about 0.5 m across the hull and 0.85 m across the fans; 0.5 is a palm-sized indoor sentry, 2.5 a car-sized guardian orb."
    }
  },
  "presets": {
    "sentinel": {
      "scheme": "black",
      "eye": "red",
      "fans": 4
    },
    "friendly helper": {
      "scheme": "white",
      "eye": "cyan",
      "spotlight": false
    },
    "night patrol": {
      "scheme": "patrol",
      "eye": "amber",
      "fans": 4,
      "size": 1.4
    }
  },
  "night": {
    "eye": {
      "zone": "eye",
      "intensity": 2,
      "describe": "The camera eye glows in its chosen colour."
    },
    "lamp": {
      "zone": "lamp",
      "color": "#fff4d6",
      "intensity": 1.6,
      "describe": "The searchlight under the hull."
    },
    "led": {
      "zone": "led",
      "intensity": 1.2,
      "describe": "Small status lights on the fan pylons."
    }
  }
}