{
  "params": {
    "metal": {
      "type": "choice",
      "options": [
        "gold",
        "silver",
        "bronze",
        "red",
        "blue"
      ],
      "default": "gold",
      "label": "Metal",
      "describe": "Coin colour: gold (common score coin), silver, bronze, red or blue (rare or bonus coins)."
    },
    "style": {
      "type": "choice",
      "options": [
        "classic",
        "holed",
        "gem"
      ],
      "default": "classic",
      "label": "Style",
      "describe": "classic (raised rim and a diamond emblem on both faces), holed (thick ring with a square hole, old-world cash coin), gem (a faceted jewel set through the centre)."
    },
    "size": {
      "type": "range",
      "min": 0.3,
      "max": 1.2,
      "step": 0.05,
      "default": 0.6,
      "label": "Size",
      "describe": "Coin diameter in metres. 0.6 suits a 1.8 m character; 1.2 is a big bonus coin."
    },
    "count": {
      "type": "range",
      "min": 1,
      "max": 5,
      "step": 1,
      "default": 1,
      "label": "Count",
      "describe": "Number of coins in a straight trail along X, 1 m apart, centred on the origin. They spin slightly out of step like a wave."
    }
  },
  "presets": {
    "coin trail": {
      "count": 5,
      "size": 0.5
    },
    "red bonus coin": {
      "metal": "red",
      "style": "gem",
      "size": 0.9
    },
    "ancient cash": {
      "metal": "bronze",
      "style": "holed",
      "count": 3
    }
  },
  "night": {
    "glow": {
      "zone": "glow",
      "intensity": 0.9,
      "describe": "Coins shine in their own metal colour after dark."
    }
  }
}