Kav/Geometry/Mesh.cs

using Microsoft.Xna.Framework;

namespace Kav
{
    public class Mesh
    {
        public MeshPart[] MeshParts { get; }
        public BoundingBox BoundingBox { get; }

        public Mesh(MeshPart[] meshParts)
        {
            MeshParts = meshParts;

            BoundingBox boundingBox = new BoundingBox();
            foreach (var meshPart in MeshParts)
            {
                boundingBox = BoundingBox.CreateMerged(boundingBox, meshPart.BoundingBox);
            }

            BoundingBox = boundingBox;
        }
    }
}