Trail Trajectory & Trail Impact HDA

This toolset is designed to create art-directable trail animations and pyro sourcing, offering a user-friendly and efficient workflow.

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Tool Breakdown video: https://vimeo.com/1001203578

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Trail Trajectory HDA is an interactive tool, simply click on your collision geometry to create a new trail and your selected point automatically becomes the impact location, and the impact occurs on the frame you clicked.
Even if you modify the speed or trajectory of the trail, your object or trail will hit the designated position at the exact frame you specified, maintaining accuracy and creative control in your projects.

Trail Impact HDA allows you to create quick and art-directable setups for various uses following the Trail Trajectory node.
Such as;
•Influence Pressure mode,
-Create procdeurally animated volume field to push away self and surrounding volumes at the time of impact.
This is very useful especially if you have multiple explosions close to eachother. It will imitate the air pressure from each explosion

•Create Metaballs for RBD simulations,

•Nearby Manipulation mode,
-Takes a custom input from sops, and animates the specified attribute’s values at the time of impact. You can set your desired “impact radius” and “impact duration” and values to multiply are set in a ramp that is fitted from 0-1 as first impact frame to last impact duration.


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By purchasing this product you will get;

•Trail Trajectory & Trail Impact HDAs (.hdalc format)

•Example .hiplc file for quick examples for different setup variations.

•Help PDF files for both TrailTrajectory & TrailImpact HDAs.

•Invite to join the FXtive Discord community.


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Please note this HDA is in .hdalc format for Houdini Indie / Houdini Apprentice users.
If you need any help, contact me from: vfxtive@gmail.com

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Update Log:

03/09/2024:
- Initial Release (v1.0).