A Proposal for the Classification of Virtual Character Topics: 3D Interaction Techniques and Metaphores; Analysis Methods and Tools; Model-Based and Mental Design; Models for Human-Agent Interaction; Virtual, Augmented and Mixed Reality In Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 2: VISIGRAPP, 168-174, 2019 , Prague, Czech Republic