static public void CreateInfoTree(StarScan.ScanNode sn, StarScan.ScanNode parent, int p, double prevmasskg, List <BodyInfo> oilist)
{
KeplerOrbitElements kepler = null;
if (sn.scandata != null && sn.scandata.nSemiMajorAxis.HasValue)
{
kepler = new KeplerOrbitElements(true,
sn.scandata.nSemiMajorAxis.Value,
sn.scandata.nEccentricity != null ? sn.scandata.nEccentricity.Value : 0, // protect against missing data
sn.scandata.nOrbitalInclination != null ? sn.scandata.nOrbitalInclination.Value : 0,
sn.scandata.nAscendingNode != null ? sn.scandata.nAscendingNode.Value : 0,
sn.scandata.nPeriapsis != null ? sn.scandata.nPeriapsis.Value : 0,
sn.scandata.nMeanAnomaly != null ? sn.scandata.nPeriapsis.Value : 0,
sn.scandata.EventTimeUTC.ToJulianDate()
);
}
else
{
System.Diagnostics.Debug.WriteLine($"{sn.OwnName} does not have kepler info");
}
BodyInfo oi = new BodyInfo();
oi.kepler = kepler;
oi.scannode = sn;
oi.index = oilist.Count;
oi.parentindex = p;
oi.orbitpos = new GLRenderDataWorldPositionColor();
oi.bodypos = new GLRenderDataWorldPositionColor();
oilist.Add(oi);
if (kepler != null)
{
if (prevmasskg == 0 && kepler.SemiMajorAxis > 0)
{
kepler.CentralMass = kepler.CalculateMass(sn.scandata.nOrbitalPeriod.Value);
}
else
{
kepler.CentralMass = prevmasskg;
}
}
if (sn.Children != null)
{
foreach (var kvp in sn.Children)
{
CreateInfoTree(kvp.Value, sn, oi.index, sn.scandata?.nMassKG != null ? sn.scandata.nMassKG.Value : 0, oilist);
}
}
}
public void CreateBodies(string file)
{
string para = File.ReadAllText(file);
JObject jo = JObject.Parse(para);
starsystemnodes = StarScan.ReadJSON(jo);
displaysubnode = 0;
CreateBodies(starsystemnodes, displaysubnode);
jdscaling = 0;
currentjd = new DateTime(2021, 11, 18, 12, 0, 0).ToJulianDate();
}
private void CreateBodies(StarScan.ScanNode node, int subnode)
{
rBodyObjects.Clear();
bodyinfo = new List <BodyInfo>();
bool sysenabled = false;
if (subnode > 0 && node.NodeType == StarScan.ScanNodeType.barycentre && node.Children != null)
{
node = node.Children.Values[subnode - 1];
sysenabled = true;
}
displaycontrol.ApplyToControlOfName("sys*", (c) => { c.Visible = sysenabled; });
BodyInfo.CreateInfoTree(node, null, -1, 0, bodyinfo);
foreach (var o in bodyinfo)
{
System.Diagnostics.Debug.Write($"Body {o.scannode.OwnName} {o.scannode.scandata?.StarType} {o.scannode.scandata?.PlanetClass} Lvl {o.scannode.Level} ");
if (o.kepler != null)
{
System.Diagnostics.Debug.Write($"SMA {o.kepler.SemiMajorAxis / oneAU_m} AU {o.kepler.SemiMajorAxis / 1000} km " +
$" Ecc {o.kepler.Eccentricity} Orbital Period {o.kepler.OrbitalPeriodS / 24 / 60 / 60 / 365} Y Radius {o.scannode.scandata.nRadius} m CM {o.kepler.CentralMass} axt {o.scannode.scandata.nAxialTilt}");
}
System.Diagnostics.Debug.WriteLine("");
if (o.kepler != null)
{
Vector4[] orbit = o.kepler.Orbit(currentjd, 0.1, mscaling);
GLRenderState lines = GLRenderState.Lines(1);
lines.DepthTest = false;
o.orbitpos.ColorIndex = node.scandata?.nRadius != null ? 0 : 1;
var riol = GLRenderableItem.CreateVector4(items, PrimitiveType.LineStrip, lines, orbit, o.orbitpos);
rBodyObjects.Add(orbitlineshader, riol);
GLRenderState quad = GLRenderState.Quads(cullface: false);
quad.DepthTest = false;
var s = 100000e3f * mscaling;
var quadpos = new Vector4[] { new Vector4(-s, 0, -s, 1), new Vector4(-s, 0, +s, 1), new Vector4(+s, 0, +s, 1), new Vector4(+s, 0, -s, 1) };
var plane = GLRenderableItem.CreateVector4(items, PrimitiveType.Quads, quad, quadpos, o.bodypos);
rBodyObjects.Add(bodyplaneshader, plane);
}
}
int bodies = bodyinfo.Count;
// hold planet and barycentre positions/sizes/imageno
bodymatrixbuffer.AllocateBytes(GLBuffer.Mat4size * bodies);
GLRenderState rt = GLRenderState.Tri();
rt.DepthTest = false;
var ribody = GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Triangles, rt, spherebuffer, spheretexcobuffer, bodymatrixbuffer,
spherebuffer.Length / sizeof(float) / 4,
ic: bodies, matrixdivisor: 1);
rBodyObjects.Add(bodyshader, ribody);
rifind = GLRenderableItem.CreateVector4Vector2Matrix4(items, PrimitiveType.Triangles, GLRenderState.Tri(), spherebuffer, spheretexcobuffer, bodymatrixbuffer,
spherebuffer.Length / sizeof(float) / 4,
ic: bodies, matrixdivisor: 1);
}