public btVector3 lerp(btVector3 v, float t)
{
btVector3 ret = new btVector3(LinearMathPINVOKE.btVector3_lerp(swigCPtr, btVector3.getCPtr(v), t), true);
if (LinearMathPINVOKE.SWIGPendingException.Pending) throw LinearMathPINVOKE.SWIGPendingException.Retrieve();
return ret;
}