{
  "params": {
    "scales": {
      "type": "choice",
      "options": [
        "ember",
        "forest",
        "frost",
        "obsidian",
        "gold"
      ],
      "default": "ember",
      "label": "Scales",
      "describe": "Colour family: ember (red with orange wings), forest (green), frost (ice blue and white), obsidian (black with red eyes), gold."
    },
    "horns": {
      "type": "toggle",
      "default": true,
      "label": "Horns",
      "describe": "A pair of swept-back horns on the head. Off = a smooth-headed wyrm."
    },
    "spines": {
      "type": "toggle",
      "default": true,
      "label": "Spines",
      "describe": "A row of dorsal spines from the head down to the tail."
    },
    "size": {
      "type": "range",
      "min": 0.3,
      "max": 1.5,
      "step": 0.05,
      "default": 1,
      "label": "Size",
      "describe": "Uniform scale. 1 is about 8 m long; 0.3 is a pony-sized young dragon; 1.5 is a 12 m ancient."
    }
  },
  "presets": {
    "frost wyrm": {
      "scales": "frost",
      "horns": false
    },
    "young dragon": {
      "scales": "forest",
      "size": 0.35,
      "spines": false
    },
    "ancient": {
      "scales": "obsidian",
      "size": 1.5
    }
  },
  "night": {
    "eye": {
      "zone": "eye",
      "intensity": 1.8,
      "describe": "The eyes glow."
    },
    "ember": {
      "zone": "ember",
      "intensity": 1.4,
      "describe": "Embers glow in the throat and nostrils."
    }
  }
}