Update content：
1.Added an advanced sea surface
By increasing the performance overhead, the performance of the sea surface is greatly improved.
and it is not necessary to bake the depth map in advance, which is very convenient.
Different styles of seawater can be displayed by reasonable control parameters, suitable for different scenarios.
This sea supports a parallel light and fog.
2.Increased support for fog
3.Optimized the performance of the shader
Assets Url:Unity Asset Store - The Best Assets for Game Making