Introduction to the VRM model
A brief introduction to the vrm model
Here only some uses and basic principles are introduced, and a certain knowledge reserve is required, and specific operations are not involved.
Official link: link
vrm: 3d humanoid avatar format for vr
a license setting
Creators can be set in the model and assigned a series of permissions, such as editable, uploadable, 18+, etc.
b face operation
1.选择面部表情
2.通过声音同步嘴型
3.眨眼
4.面部捕捉
5.blendshap（支持blendshap分组管理）
c material related
1.支持toon
2.支持pbr
3.支持unlit
4.其他的暂不支持，需要写支持vrm模型的软体shader
d Line of sight control
1.骨骼控制
2.blendshap控制
3.TextureUV控制
e physical skeleton
springbone（跟dynamicBone区别？）
f first-person perspective
针对vr头显的第一人称视角设置，暂时没有处理vr设备的需求，这一块不展开说