Quick test shader for this thread https://forum.unity.com/threads/smooth-filling-of-the-2d-pipe-with-texture.845848/#post-5584480 Shader source:https://github.com/UnityCommunity/UnityLibrary/blob/master/Assets/Shaders/2D/Patterns/ScrollingFill.shader Sample fbx file (used in screenshot)https://github.com/unitycoder/BlogUploads/blob/master/models/lineuv.FBX

Saw interesting question in the forums (link) about drawing plotter like data that would scroll up, got idea about custom rendertextures (since it was similar to this effect) Basic idea: – use CustomRenderTexture, double buffered so it can read from itself – draw color32 array […]