Unity Raymarching Examples

Example 1: I tried to Implement this shader based on AlanZucconi Article about Raymarching https://www.alanzucconi.com/2016/07/01/raymarching/

Example 2: Tours https://www.gamasutra.com/blogs/DavidArppe/20170405/295240/How_to_get_Stunning_Graphics_with_Raymarching_in_Games.php

Example 3: Voxel torus

Example 3: Repetition

Example 4: Fractional Brownian Motion

http://www.iquilezles.org/www/articles/distfunctions/distfunctions.htm

http://www.iquilezles.org/www/articles/morenoise/morenoise.htm

https://www.shadertoy.com/view/XttSz2

1.Help me to Texture mapping Tours in Example 2 something like this https://www.shadertoy.com/view/Xd3XDS

2.Implementing Clouds something like this https://www.shadertoy.com/view/XslGRr

3.making CgInclude for Raymarching and SDF shapes function

4.transform,rotate,scale Abstract object in unity space