CD-ROM Shader: Diffraction Grating (Part 1)

This post will guide you through the creation of a shader that reproduces the rainbow reflections that can be seen on CD-ROMs and DVDs. 

• Part 6. CD-ROM Shader: Diffraction Grating (Part 1) 

This has been the longer series so far; it has been a long journey, but finally there's some shader code!

 You can read the rest of the series here:

• Part 1. The Nature of Light

• Part 2. Improving the Rainbow (Part 1) 

• Part 3. Improving the Rainbow (Part 2)  

• Part 4. Understanding Diffraction Grating

• Part 5. The Mathematics of Diffraction Grating

• Part 6. CD-ROM Shader: Diffraction Grating (Part 1)

• Part 7. CD-ROM Shader: Diffraction Grating (Part 2)

• Part 8. Iridescence on Mobile

You can download the Unity project for the CD-ROM shader here ($25+ patrons only).

As always, thank you for your support. ♥