
1. Quaternions Revisited 371
Figure 1.10. Original character (left) and two extreme morph targets (center, right).
[Image courtesy of Mail.Ru Group.]
1.7 Morph Targets
As Skyforge is an MMORPG game, we want to give players as many opportunites
to customize characters as possible. One of the most interesting customizations
enables a player to change body proportions of his or her character in a contin-
uous fashion. This is implemented via interpolation of each vertex between two
so called morph targets, i.e., separate vertex streams. An example of such an
interpolation is shown in Figure 1.10.
Regarding quaternions, only a few considerations should