The VEX Trick Every Houdini FX Artist Should Know

Control velocity directions in Houdini with one tiny VEX wrangle.

Drop a control point in the scene, subtract its position from @P, and you get a clean directional vector you can drive into v@v — outward, inward, or aimed at anything. Move the control point, the velocities follow.

Useful for pyro emission, RBD activation, particle bursts, and anything where you need a vector pointing somewhere specific without fighting force nodes.

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Видео The VEX Trick Every Houdini FX Artist Should Know канала Bryan Holt