Having good/clean topology for animation is very important. Having
a model with poor topology can result in a longer time skinning/weighting and a
poor finished result and this will show in the final result to when it comes to
rendering your scene. If you are modelling organic, then making sure you have
extra loops around areas where there will be bending, squash and stretching, etc.
For example, around the eyes, around the mouth, under the arms and so on. For
hard surface models, although it may seem easy to add a whole bunch of edge
loops on every edge, bevel, extrusion etc. this can lead to parts of the mesh ‘tearing’
or irregular bumps in the model. Even though the model will not be weighted
using the same method for organic models, you will still be able to see ‘rips’,
‘tears’ and ‘bumps’ in the mesh.
Modelling for any animation should be something that should
be done right from the start, otherwise it will lead to many serious
complications. Organic modelling in my opinion, is the most important and
should have more time put into when it comes to modelling compared to hard
surface modelling, just due to the amount of things that can go wrong with
organic modelling.
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