{
  "params": {
    "size": {
      "type": "range",
      "min": 0.4,
      "max": 2,
      "step": 0.1,
      "default": 0.9,
      "label": "Size",
      "describe": "Width of the rock in metres. 0.4 is a stone in a rock pool, 2 a large reef boulder. Bigger rocks carry more life."
    },
    "colours": {
      "type": "choice",
      "options": [
        "tidepool",
        "tropical",
        "cold"
      ],
      "default": "tidepool",
      "label": "Colours",
      "describe": "tidepool (green anemones with pink tips, orange and purple starfish), tropical (magenta and violet anemones, bright orange and blue starfish, black urchins) or cold (white plumose anemones, red starfish, green urchins)."
    },
    "anemones": {
      "type": "range",
      "min": 2,
      "max": 10,
      "step": 1,
      "default": 6,
      "label": "Anemones",
      "describe": "How many sea anemones grow on the rock, 2 to 10 (fewer fit on a small rock)."
    },
    "seed": {
      "type": "range",
      "min": 1,
      "max": 50,
      "step": 1,
      "default": 8,
      "label": "Seed",
      "describe": "Changes the rock shape and where the anemones, starfish and urchins sit."
    }
  },
  "presets": {
    "rock pool": {
      "colours": "tidepool",
      "size": 0.6,
      "anemones": 4
    },
    "tropical outcrop": {
      "colours": "tropical",
      "size": 1.5,
      "anemones": 9
    },
    "cold coast boulder": {
      "colours": "cold",
      "size": 1.2,
      "seed": 19
    }
  },
  "night": {
    "tentacles": {
      "zone": "glow",
      "intensity": 0.55,
      "describe": "Anemone tentacles glow faintly in their own colour."
    }
  }
}