internal static LightId Create(uint GID)
{
var id = new LightId {
Index = Lights.Allocate()
};
Lights.Data[id.Index] = new MyLightInfo
{
FlareId = FlareId.NULL
};
MyArrayHelpers.Reserve(ref Pointlights, id.Index + 1);
MyArrayHelpers.Reserve(ref Spotlights, id.Index + 1);
var p1 = new MyPointlightInfo
{
LastBvhUpdatePosition = Vector3.PositiveInfinity,
BvhProxyId = -1
};
Pointlights[id.Index] = p1;
var p2 = new MySpotlightInfo
{
LastBvhUpdatePosition = Vector3.PositiveInfinity,
BvhProxyId = -1
};
Spotlights[id.Index] = p2;
IdIndex[GID] = id;
return(id);
}
internal static BoundingBoxD MakeAabbFromSpotlightCone(ref MySpotlightInfo spotlight, Vector3D position)
{
float ratio = (float)Math.Sqrt(1 - spotlight.ApertureCos * spotlight.ApertureCos) / spotlight.ApertureCos;
float h = ratio * spotlight.Range;
var bb = BoundingBoxD.CreateInvalid();
bb.Include(new Vector3D(-h, -h, 0));
bb.Include(new Vector3D(h, h, -spotlight.Range));
return(bb.Transform(MatrixD.CreateLookAtInverse(position, position + spotlight.Direction, spotlight.Up)));
}
internal static BoundingBoxD MakeAabbFromSpotlightCone(ref MySpotlightInfo spotlight, Vector3D position)
{
float ratio = (float)Math.Sqrt(1 - spotlight.ApertureCos * spotlight.ApertureCos) / spotlight.ApertureCos;
float h = ratio * spotlight.Range;
var bb = BoundingBoxD.CreateInvalid();
bb.Include(new Vector3D(-h, -h, 0));
bb.Include(new Vector3D(h, h, -spotlight.Range));
return bb.Transform(MatrixD.CreateLookAtInverse(position, position + spotlight.Direction, spotlight.Up));
}
