gravity_slingshot.json

{
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      "density": 1408.0,
      "color": [
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      ],
      "texture": "sun2.jpg",
      "size_scale": 20.0,
      "distance_scale": 1.0,
      "rotation_speed": 0.613,
      "ignore_mass": false,
      "is_fixed_star": true
    },
    {
      "name": "地球",
      "mass": 5.97237e+24,
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      ],
      "init_velocity": [
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      ],
      "density": 5507.85,
      "color": [
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      ],
      "texture": "earth1.jpg",
      "size_scale": 1000.0,
      "distance_scale": 1.0,
      "rotation_speed": 15,
      "ignore_mass": false,
      "is_fixed_star": false
    }
  ],
  "params": {
    "dt": 2592000,
    "position": [
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    ]
  }
}