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Shader Forge: Dispersion

2
By on Video

Learn all about simulating optical dispersion in Cycles in this new tutorial by CG Cookie's Kent Trammell.

This optical phenomenon is the rainbow-like coloration that occurs with refractive materials like diamonds, crystal glass, and glass prisms (think Pink Floyd). Such light transmission causes the incoming light to separate into its component colors as it passes through the medium. The result is colorful, sparkly goodness. For more about dispersion, check this Wikipedia page.

While Cycles does not yet support an ‘official’ dispersion feature, it can be simulated by layering glass nodes as demonstrated in this video.

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About the Author

Avatar image for Bart Veldhuizen
Bart Veldhuizen

I have a LONG history with Blender - I wrote some of the earliest Blender tutorials, worked for Not a Number and helped run the crowdfunding campaign that open sourced Blender (the first one on the internet!). I founded BlenderNation in 2006 and have been editing it every single day since then ;-) I also run the Blender Artists forum and I'm Head of Community at Sketchfab.

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