Triangle Wave and Smooth Curve nodes from Shader Graph

Hi, I'm searching for idea how to recreate in ASE new nodes from Unity Shader Graph update. In sample project, there is a shader graph called Complex Vegetation Graph that uses Triangle Wave Simple node and Smooth Curve node.

Link to blog post: https://blogs.unity3d.com/2018/08/07/sh ... e-project/
Link to sample project: https://github.com/natalieburke/ShaderG ... emo-2018-2
Do you have any idea?

Link to blog post: https://blogs.unity3d.com/2018/08/07/sh ... e-project/
Link to sample project: https://github.com/natalieburke/ShaderG ... emo-2018-2
Do you have any idea?