data.json

[
  { "time": 0.0, "x": 0.0, "y": 0.0 },
  { "time": 1.0, "x": 0.5, "y": 0.2 },
  { "time": 2.0, "x": 1.0, "y": 0.4 },
  { "time": 3.0, "x": 1.5, "y": 0.6 }
]