public MyIntersectionResultLineTriangleEx?GetIntersectionInNearSpace(MyEntity entity, ref MyLine worldLine, bool convertLine)
{
if (!entity.IsVisible())
{
return(null);
}
MyLine line = worldLine;
if (convertLine)
{
ConvertLineToNearWorldCoordinates(ref line);
}
Matrix drawMatrix = entity.GetWorldMatrixForDraw();
drawMatrix.Translation += MyCamera.Position;
Matrix worldInv = Matrix.Invert(drawMatrix);
MyIntersectionResultLineTriangleEx?ret = entity.ModelLod0.GetTrianglePruningStructure().GetIntersectionWithLine(entity, ref line, ref worldInv, IntersectionFlags.ALL_TRIANGLES);
if (ret == null)
{
foreach (MyEntity child in entity.Children)
{
if (!child.IsVisible())
{
continue;
}
drawMatrix = child.GetWorldMatrixForDraw();
drawMatrix.Translation += MyCamera.Position;
worldInv = Matrix.Invert(drawMatrix);
System.Diagnostics.Debug.Assert(!float.IsNaN(worldInv.M11));
ret = child.ModelLod0.GetTrianglePruningStructure().GetIntersectionWithLine(child, ref line, ref worldInv, IntersectionFlags.ALL_TRIANGLES);
if (ret != null)
{
return(ret);
}
}
}
return(ret);
}