{
  "params": {
    "kind": {
      "type": "choice",
      "options": [
        "common",
        "pacific",
        "blueringed",
        "mimic",
        "ghost"
      ],
      "default": "common",
      "label": "Kind",
      "describe": "Species: common (red-brown, mottled), pacific (big bright red-orange giant), blueringed (small sandy-yellow with electric blue rings that glow at night), mimic (white with dark brown bands on long arms), ghost (pale pink deep-sea octopus)."
    },
    "curl": {
      "type": "range",
      "min": 0,
      "max": 1.5,
      "step": 0.05,
      "default": 0.8,
      "label": "Arm curl",
      "describe": "How tightly the arm tips curl up and inward. 0 is straight trailing arms; 1.5 is tight spirals."
    },
    "seed": {
      "type": "range",
      "min": 1,
      "max": 30,
      "step": 1,
      "default": 3,
      "label": "Mottling",
      "describe": "Seed for the skin blotches and each arm's own rhythm; every number is a different octopus."
    },
    "size": {
      "type": "range",
      "min": 0.2,
      "max": 6,
      "step": 0.1,
      "default": 1,
      "label": "Size",
      "describe": "Uniform scale. 1 is 1 m across the arms; 0.2 is a tiny 20 cm octopus; 3 is a giant; 6 is a ship-grabbing kraken."
    }
  },
  "presets": {
    "blue-ringed": {
      "kind": "blueringed",
      "size": 0.25
    },
    "giant pacific": {
      "kind": "pacific",
      "size": 3,
      "curl": 1.1
    },
    "kraken": {
      "kind": "pacific",
      "size": 6,
      "curl": 1.4,
      "seed": 17
    }
  },
  "night": {
    "ring": {
      "zone": "ring",
      "color": "#3aa0ff",
      "intensity": 2,
      "describe": "The blue rings of the blue-ringed octopus flash at night."
    }
  }
}