public void Update(GameTime gameTime)
{
if (orbitEnabled)
{
CalculateOrbit(gameTime);
}
Vector3d planetCenter = GetComponent <HighPrecisionPosition>().Position;
if (HasAtmosphere)
{
atmosphere.GetComponent <HighPrecisionPosition>().Position = planetCenter;
atmosphere.Update(SolarSystem.GetSun().LightDirection, Vector3.Zero,
(Vector3.Zero - Transform.AbsoluteTransform.Translation).Length());
atmosphericScatteringHelper.Update((Vector3.Zero - Transform.AbsoluteTransform.Translation).Length(),
SolarSystem.GetSun().LightDirection, Vector3.Zero - Transform.AbsoluteTransform.Translation);
}
foreach (GameObject.GameObject child in Children)
{
CalculateChildMovement(gameTime, child, planetCenter);
}
Vector3 toCenterOfPlanet = Transform.AbsoluteTransform.Translation;
float distanceToCenterOfPlanet = toCenterOfPlanet.Length();
float surfaceDistance = distanceToCenterOfPlanet - radius;
float farPlaneMultiplier = MonoMathHelper.MapFloatRange(radius, radius * 2, 0.3f, 1f, surfaceDistance);
GenerateCustomProjectionMatrix(distanceToCenterOfPlanet * farPlaneMultiplier);
var frustrum = new BoundingFrustum(SystemCore.ActiveCamera.View * customProjection);
int activeCount = 0;
foreach (PlanetNode node in activePatches.Values)
{
node.Update();
//all nodes are flagged for removal every frame.
//The LOD calculation will unflag if nodes should be kept.
node.remove = true;
if (!frustrum.Intersects(node.boundingSphere))
{
node.Disable();
}
else
{
if (SystemWarGlobalSettings.RenderQuadtreeConnectivity)
{
RenderConnections(node);
}
node.Enable();
activeCount++;
}
}
if (SystemWarGlobalSettings.RepairSeams)
{
CalculateConnectivity();
}
for (int i = 0; i < rootNodes.Count; i++)
{
PlanetNode root = rootNodes[i];
CalculatePatchLOD(root.normal, root.step, root.depth, root.min, root.max);
}
//removes nodes that have not had their flags refreshed by the LOD pass
RemoveStaleNodes();
int patchCountPerFrame = 10;
for (int i = 0; i < patchCountPerFrame; i++)
{
PlanetNode finishedNode;
if (PlanetBuilder.GetBuiltNodes(Name, out finishedNode))
{
AddPatch(finishedNode);
}
}
positionLastFrame = GetComponent <HighPrecisionPosition>().Position;
}
