public override bool BoundingBox(double t0, double t1, out AxisAlignedBoundingBox boundingBox)
{
if (_list.Count < 1)
{
boundingBox = null;
return(false);
}
AxisAlignedBoundingBox tempBox;
bool firstTrue = _list[0].BoundingBox(t0, t1, out tempBox);
if (!firstTrue)
{
boundingBox = null;
return(false);
}
else
{
boundingBox = tempBox;
}
for (int i = 0; i < _list.Count; i++)
{
if (_list[i].BoundingBox(t0, t1, out tempBox))
{
boundingBox = AxisAlignedBoundingBox.SurroundingBox(boundingBox, tempBox);
}
else
{
return(false);
}
}
return(true);
}