public override bool PrepareRender(ICamera camera, NebulaRenderer nr, SystemRenderer sys)
{
_worldSph = World;
if (Spin != Vector3.Zero)
{
_worldSph = (Matrix4x4.CreateRotationX((float)spinX) *
Matrix4x4.CreateRotationY((float)spinY) *
Matrix4x4.CreateRotationZ((float)spinZ)) * World;
}
this.sysr = sys;
if (Nebula != null && nr != Nebula)
{
return(false);
}
var dsq = Vector3.DistanceSquared(pos, camera.Position);
if (LODRanges != null) //Fastest cull
{
var maxd = LODRanges[LODRanges.Length - 1] * sysr.LODMultiplier;
maxd *= maxd;
if (dsq > maxd)
{
CurrentLevel = -1;
return(false);
}
}
bool visible = false;
if (Model != null)
{
visibleParts = new BitArray128();
for (int i = 0; i < Model.AllParts.Length; i++)
{
var part = Model.AllParts[i];
if (!part.Active || part.Mesh == null)
{
continue;
}
var center = Vector3.Transform(part.Mesh.Center, part.LocalTransform * World);
var lvl = GetLevel(part, center, camera.Position);
if (lvl != -1)
{
var bsphere = new BoundingSphere(center, part.Mesh.Radius);
if (camera.Frustum.Intersects(bsphere))
{
visible = true;
visibleParts[i] = true;
}
}
}
}
if (visible)
{
sysr.AddObject(this);
}
return(visible);
}
public bool Equals(BitArray128 other)
{
return(a == other.a && b == other.b);
}
