/// <summary>
/// TODO: write tests for boundingbox calculation
/// </summary>
/// <param name="mesh"></param>
/// <returns></returns>
public static BoundingBox CalculateBoundingBox(IMesh mesh)
{
var ret = new XnaBoundingBox();
foreach (var part in mesh.GetCoreData().Parts)
{
var positions = part.MeshPart.GetGeometryData().GetSourceVector3(MeshPartGeometryData.Semantic.Position);
if (positions.Length == 0)
{
continue;
}
//TODO: check this!
XnaVector3.Transform(positions, ref part.ObjectMatrix, positions);
ret = ret.MergeWith(XnaBoundingBox.CreateFromPoints(positions));
}
return(ret.dx());
}
