{
  "params": {
    "size": {
      "type": "range",
      "min": 0.5,
      "max": 6,
      "step": 0.25,
      "default": 2,
      "label": "Size",
      "describe": "Rough diameter in metres. 0.5 is a fist-to-football meteorite, 2 a car-sized rock, 6 a small hill."
    },
    "type": {
      "type": "choice",
      "options": [
        "stone",
        "iron",
        "ice",
        "crystal"
      ],
      "default": "stone",
      "label": "Type",
      "describe": "stone (grey-brown rock, rusty veins), iron (dark metallic body, silver ore veins), ice (pale blue comet chunk, cyan veins), crystal (dark rock with spikes of magenta crystal)."
    },
    "seed": {
      "type": "range",
      "min": 1,
      "max": 50,
      "step": 1,
      "default": 7,
      "label": "Seed",
      "describe": "Changes the shape, the crater layout and where the veins run. Scatter several with different seeds."
    },
    "glow": {
      "type": "toggle",
      "default": true,
      "label": "Glowing veins",
      "describe": "Mineral veins and crystals glow after dark (ore you can mine). Off keeps them plain."
    }
  },
  "presets": {
    "iron ore": {
      "type": "iron",
      "size": 3,
      "seed": 12
    },
    "comet chunk": {
      "type": "ice",
      "size": 2.5,
      "seed": 21
    },
    "crystal geode": {
      "type": "crystal",
      "size": 2,
      "seed": 33
    }
  },
  "night": {
    "vein": {
      "zone": "vein",
      "intensity": 1.4,
      "describe": "Glowing mineral veins and crystals in their own colour."
    }
  }
}