/// <summary>
/// Calculates the principal axis transform.
/// </summary>
/// <param name="masses">The masses.</param>
/// <param name="principal">The principal.</param>
/// <param name="inertia">The inertia.</param>
public void CalculatePrincipalAxisTransform(float[] masses, float4x4 principal, float3 inertia)
{
var btPrincipal = Translator.Float4X4ToBtMatrix(principal);
var btInertia = Translator.Float3ToBtVector3(inertia);
BtCompoundShape.CalculatePrincipalAxisTransform(masses, ref btPrincipal, out btInertia);
}