sun.json

{
  "bodies": [
       {
      "name": "太阳",
      "mass": 1.9891e+30,
      "init_position": [
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        0.0,
        0.0
      ],
      "init_velocity": [
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        0.0,
        0.0
      ],
      "density": 1408.0,
      "color": [
        170,
        98,
        25
      ],
      "texture": "sun2.jpg",
      "size_scale": 50.0,
      "distance_scale": 1.0,
      "rotation_speed": 0.613,
      "ignore_mass": false,
      "is_fixed_star": true
    }
  ],
  "params": {
    "dt": 604800,
    "position": [
      0,
      149597870.7,
      -448793612.09999996
    ]
  }
}