public static float btAngle(btVector3 v1, btVector3 v2) { float ret = BulletPINVOKE.btAngle__SWIG_0(btVector3.getCPtr(v1), btVector3.getCPtr(v2)); if (BulletPINVOKE.SWIGPendingException.Pending) { throw BulletPINVOKE.SWIGPendingException.Retrieve(); } return(ret); }