Although commercially available animation packages provide sophisticated facilities for generating computer animation interactively, although the products of these packages often seem quite attractive for users, the real use of these tools is nevertheless not so easy and requires a lot of tedious work.
Lu, R., & Zhang, S. (2002). Automatic Generation of Computer Animation (Vol. 2160, pp. 1-27–27). Berlin, Heidelberg: Springer Berlin Heidelberg. https://doi.org/10.1007/3-540-45590-6