{
  "params": {
    "style": {
      "type": "choice",
      "options": [
        "rocket",
        "turbine",
        "retro"
      ],
      "default": "rocket",
      "label": "Style",
      "describe": "rocket (two fuel tanks with domed tops and bell nozzles), turbine (two ducted fans with intake rings that spin, exhaust cones below) or retro (one big rounded tank in the middle with tail fins and a single large nozzle, 1950s pulp sci-fi)."
    },
    "colour": {
      "type": "choice",
      "options": [
        "orange",
        "white",
        "olive",
        "red",
        "chrome"
      ],
      "default": "orange",
      "label": "Colour",
      "describe": "Shell paint and trim: orange (with cream), white (with blue, clean space agency look without insignia), olive (army green with brass), red (with gold) or chrome (polished with orange)."
    },
    "flame": {
      "type": "toggle",
      "default": true,
      "label": "Flame",
      "describe": "Exhaust flames under the nozzles, as if firing. Off shows idle nozzles that still glow faintly."
    },
    "glow": {
      "type": "color",
      "default": "#ff8a2a",
      "label": "Exhaust",
      "describe": "Colour of the exhaust flames and nozzle glow. #ff8a2a rocket orange, #4fd8ff ion blue, #7dff6a green plasma, #c070ff violet."
    },
    "wings": {
      "type": "toggle",
      "default": false,
      "label": "Wings",
      "describe": "Short stub wings folded out from the sides for gliding."
    }
  },
  "presets": {
    "rocket ranger": {
      "style": "retro",
      "colour": "chrome",
      "glow": "#ff8a2a",
      "wings": true
    },
    "ion turbine pack": {
      "style": "turbine",
      "colour": "white",
      "glow": "#4fd8ff"
    },
    "army jump pack": {
      "style": "rocket",
      "colour": "olive",
      "flame": false
    }
  },
  "night": {
    "glow": {
      "zone": "glow",
      "intensity": 1.8,
      "describe": "Nozzles and exhaust flames glow in the exhaust colour."
    }
  }
}