I’m creating some characters for the Blender Game Engine and I plan to add shape keys for facial animation. Of course, I don’t want to save information for the character’s entire body when I only plan to morph the head. For now I’ve decided to separate the mesh where the neck and shoulders are ‘submerged’ beneath the clothing as that’s a good way of hiding the separation. However, some characters may be shirtless, animals, or otherwise difficult to create a hidden seam for.
As I don’t want to design all of my characters to wear thick neckbraces to hide the seams, I was wondering if there’s a possible way to merge a head model with shapekeys to the rest of the body in realtime, given the vertices share the same position. Does anyone know of such a solution, and if so is the performance reasonable in BGE?