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Houdini Frustum Cull v1.0 HDA

This HDA deletes or masks prims or points that fall outside a camera frustum. It also builds a geometric frustum representation from a perspective matrix (the proper way) which is available on Output 2.

Controls

You can Overscan/underscan, Crop each side, Offset left/right up/down, Clip near/far and write Z depth values.


Output 2

The frustum geometry is named and UVed and the UVs will respect cropping. You have the option to only generate the near and far clipping planes. They are always UVed according to the frame aspect ratio.


As with all my assets, future versions (::2.0, ::3.0 so on) come within this same HDA file along with the previous ones for free.

I hope you'll find it useful and as always, I'm stoked for your feedback.

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  • An HDA file
  • Version1.0
  • LanguageVEX

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Houdini Frustum Cull v1.0 HDA

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05/18

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