/// <summary>
/// Manually call this function to update AABB and Bounding Sphere
/// </summary>
public virtual void UpdateBounds()
{
if (position == null || position.Count == 0)
{
Bound = new BoundingBox();
BoundingSphere = new BoundingSphere();
}
else
{
Bound = BoundingBoxExtensions.FromPoints(Positions);
BoundingSphere = BoundingSphereExtensions.FromPoints(Positions);
}
if (Bound.Maximum.IsUndefined() || Bound.Minimum.IsUndefined() || BoundingSphere.Center.IsUndefined())
{
throw new Exception("Position vertex contains invalid value(Example: Float.NaN).");
}
}
protected override BoundingBox GetMaxBound()
{
return(BoundingBoxExtensions.FromPoints(Positions));
}
/// <summary>
/// Returns a line geometry of the axis-aligned bounding-box of the given mesh.
/// </summary>
/// <param name="mesh">Input mesh for the computation of the b-box</param>
/// <returns></returns>
public static LineGeometry3D GenerateBoundingBox(Geometry3D mesh)
{
var bb = BoundingBoxExtensions.FromPoints(mesh.Positions);
return(GenerateBoundingBox(bb));
}