{
  "xzbt": "0.1",
  "meta": {
    "id": "flow-field",
    "name": "Fog or smoke-like flow field",
    "version": "1.0.0",
    "description": "PRD 130 challenge 2; generic visual primitives only."
  },
  "runtime": {
    "seed": 4201
  },
  "visuals": {
    "scene": {
      "coordinateSpace": "virtual",
      "width": 960,
      "height": 540,
      "background": "#101d25"
    },
    "fields": {
      "flow": {
        "type": "noise",
        "mode": "curl",
        "scale": 160,
        "amplitude": 25,
        "speed": 0.12
      }
    },
    "systems": {
      "flow": {
        "type": "particles",
        "count": 150,
        "capacity": 256,
        "distribution": {
          "type": "uniform",
          "min": {
            "x": 0,
            "y": 0
          },
          "max": {
            "x": 960,
            "y": 540
          }
        },
        "render": {
          "type": "ellipse",
          "radius": 20,
          "style": {
            "fill": "#b5c1c0",
            "opacity": 0.025
          }
        },
        "fields": [
          "flow"
        ],
        "drag": 0.2,
        "behaviors": [
          {
            "type": "wrap",
            "bounds": "scene"
          }
        ]
      }
    },
    "effects": [
      {
        "type": "blur",
        "radius": 5
      }
    ]
  }
}