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Improve orbital velocity calculation

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This commit is contained in:
Nick 2022-04-21 00:56:05 -04:00
parent 5a00065ba7
commit d68291c628
2 changed files with 8 additions and 6 deletions
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2
NewHorizons/Builder/Orbital/OrbitlineBuilder.cs
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@ -60,7 +60,7 @@ namespace NewHorizons.Builder.Orbital
orbitLine._astroObject = astroobject; orbitLine._astroObject = astroobject;
orbitLine._fade = fade; orbitLine._fade = fade;
orbitLine._lineWidth = 1f; orbitLine._lineWidth = 2f;
Main.Instance.ModHelper.Events.Unity.FireOnNextUpdate(orbitLine.InitializeLineRenderer); Main.Instance.ModHelper.Events.Unity.FireOnNextUpdate(orbitLine.InitializeLineRenderer);
} }

12
NewHorizons/Components/Orbital/OrbitalParameters.cs
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@ -95,13 +95,15 @@ namespace NewHorizons.Components.Orbital
var R3 = Quaternion.AngleAxis(argumentOfPeriapsis, Vector3.up); var R3 = Quaternion.AngleAxis(argumentOfPeriapsis, Vector3.up);
var n_p = new Vector2(x, y).normalized; var n_p = new Vector2(x, y).normalized;
var n_v = new Vector2(-y, x).normalized;
var pos = new Vector3(r * n_p.x, 0f, r * n_p.y); var dir = R1 * R2 * R3 * new Vector3(n_p.x, 0f, n_p.y).normalized;
var vel = new Vector3(v * n_v.x, 0f, v * n_v.y); var up = R1 * R2 * R3 * Vector3.up;
orbitalParameters.InitialPosition = R1 * R2 * R3 * pos; var pos = r * dir;
orbitalParameters.InitialVelocity = R1 * R2 * R3 * vel; var vel = v * Vector3.Cross(dir, up).normalized;
orbitalParameters.InitialPosition = pos;
orbitalParameters.InitialVelocity = vel;
return orbitalParameters; return orbitalParameters;
} }