{
  "params": {
    "paint": {
      "type": "choice",
      "options": [
        "brick",
        "denim",
        "olive",
        "silver",
        "white",
        "black"
      ],
      "default": "brick",
      "label": "Paint",
      "describe": "Body colour: brick (red), denim (blue), olive (green), silver, white (fleet), black."
    },
    "cab": {
      "type": "choice",
      "options": [
        "crew",
        "single"
      ],
      "default": "crew",
      "label": "Cab",
      "describe": "crew (four doors, two rows, 5.6 m long) or single (two doors, longer bed, 5.0 m)."
    },
    "load": {
      "type": "choice",
      "options": [
        "empty",
        "crates",
        "hay",
        "cover"
      ],
      "default": "empty",
      "label": "Bed load",
      "describe": "What is in the bed: empty, crates (stacked wooden crates), hay (two straw bales), cover (flat hard tonneau cover closing the bed)."
    },
    "tailgate": {
      "type": "range",
      "min": 0,
      "max": 1,
      "step": 0.05,
      "default": 0,
      "label": "Tailgate",
      "describe": "How far the tailgate is dropped. 0 closed, 1 fully down and level for loading."
    }
  },
  "presets": {
    "farm truck": {
      "paint": "olive",
      "cab": "single",
      "load": "hay"
    },
    "market day": {
      "paint": "denim",
      "load": "crates",
      "tailgate": 1
    },
    "fleet work truck": {
      "paint": "white",
      "load": "cover"
    }
  },
  "night": {
    "headlight": {
      "zone": "headlight",
      "color": "#fff4c8",
      "intensity": 1.2,
      "describe": "Headlights glow."
    },
    "taillight": {
      "zone": "taillight",
      "color": "#ff2a2a",
      "intensity": 1,
      "describe": "Tail lights glow red."
    }
  }
}