VFX资源 
Blender插件-真实眼睛制作工具 Eye Z
可以制作真实的眼球，包含虹膜、眨眼等可以自定义控制，这个是直接的blender文件
Color the Iris, set its size, squeeze it if it’s a dragon eye, set depth for a fake refractive effect and amplify the translucency of the Iris.This shader is meant to fake the complex geometry of an eyeball.
