//BoundingBox FromPoints( DataStream points, int count, int stride )
//{
// BoundingBox box;
// HRESULT hr = D3DXComputeBoundingBox( reinterpret_cast<D3DXVECTOR3*>( points.PositionPointer ), count, stride,
// reinterpret_cast<D3DXVECTOR3*>( &box.Minimum ), reinterpret_cast<D3DXVECTOR3*>( &box.Maximum ) );
// if( RECORD_SDX( hr ).IsFailure )
// return BoundingBox();
// return box;
//}
//BoundingBox FromSphere( BoundingSphere sphere )
//{
// BoundingBox box;
// box.Minimum = new Vector3( sphere.Center.X - sphere.Radius, sphere.Center.Y - sphere.Radius, sphere.Center.Z - sphere.Radius );
// box.Maximum = new Vector3( sphere.Center.X + sphere.Radius, sphere.Center.Y + sphere.Radius, sphere.Center.Z + sphere.Radius );
// return box;
//}
public static BoundingBox Merge(BoundingBox box1, BoundingBox box2)
{
BoundingBox box = new BoundingBox();
Vector3.Minimize(ref box1.Minimum, ref box2.Minimum, out box.Minimum);
Vector3.Maximize(ref box1.Maximum, ref box2.Maximum, out box.Maximum);
return(box);
}
public static BoundingBox FromPoints(Vector3[] points)
{
if (points == null || points.Length <= 0)
{
throw new ArgumentNullException("points");
}
Vector3 min = new Vector3(float.MaxValue);
Vector3 max = new Vector3(float.MinValue);
foreach (var i in points)
{
Vector3 vector = i;
Vector3.Minimize(ref min, ref vector, out min);
Vector3.Maximize(ref max, ref vector, out max);
}
return(new BoundingBox(min, max));
}
