Houdini Volumetric Colored Trail

The core part of this tool is to have at least a rough roto of your moving subject and for that I used Runwayml, it's an amazing platform to create such garbage mask, after that we go through the following steps:

- Trace that roto sequence inside of Houdini.

- Move that trace to camera space so it matches %100 the back plate "crucial for compositing".

- emit particles with some turbulence, you can color them by age.

- Rasterize them.

- Shade & Render.

Note:

- Renderer is Redshift.

- File is indie license.

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