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I am doing the Introduction to Camera Tracking in Blender tutorial by Blender Guru. Starting at 47:20, he does things with materials and textures in Blender Render that I don't understand (I have decided to focus my learning on the Cycles Render Engine). It ends at about 51:00. How do I create these materials in Cycles?

Here is the .blend file:

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Got it! Here is my result from camera view showing only the hole:

enter image description here

The first thing I did was flip all normals by keying Tab to enter Edit Mode, T to toggle open/close the Toolshelf, going to Toolshelf > Shading/UVs tab > Shading dropdown and clicking Flip Normals. This ensures that the textures display properly on the inside of the tube.

enter image description here

Second and lastly, I modified your node setup to this:

enter image description here

For the Image Textures, red_rock is still on top and brown_dirty on the bottom. I did not change how the color is integrated, but they now have bump mapping for each that is averaged by a Converter > Vector Math node. The additional Separate XYZ and other top nodes add the Ambient Occlusion shadows. Separate XYZ makes the darkness align to the local Z-Axis. The Gradient Texture mostly serves to convert the z vector to a Fac: value for the ColorRamp, which decides how much black and color there is. The MixRGB's bottom color input actually decides what color appears in the tube.

Here is the .blend file:

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  • $\begingroup$ I think I understand your node set up and thanks a lot. Maybe there is one thing I don't understand and that is why you take the "generated coordinates" instead of the UV coordinates ? $\endgroup$ – Old Man Aug 10 '16 at 14:09
  • $\begingroup$ @OldMan For whatever reason, UV coords didn't work right with the rest of the top nodes. I'm sorry that I can't give a better explanation. $\endgroup$ – Shady Puck Aug 10 '16 at 23:12
  • $\begingroup$ Could you maybe edit your answer and include your comment. Maybe somebody else can shed some light on this and then we both have learned something :) $\endgroup$ – Old Man Aug 11 '16 at 7:18

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