Houdini 20.0 Shelf tools

Metaball Force shelf tool

Applies forces according to metaballs.

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Overview

This tool applies a force to particles according to how close they are to metaballs. It puts down a POP Metaball Force in the DOP network, and also a Force SOP in the SOP network.

Using Metaball Force

  1. Create some metaballs using the Metaball shelf tool.

  2. Create a particle system using the Location or Source shelf tools.

  3. Click the Metaball Force tool on the Particles tab.

  4. Select the metaballs you want to affect your particles and press Enter.

You can set the Force Scale parameter on the Metaball Force node to either attract or repel particles. A positive value will attract particles and a negative value will repel particles.

By default, this tool applies a Radial Force, which can be changed to Directional Force on the Force SOP. There are also force controls for axial, vortex, and spiral forces.

The following example shows the metaballs repelling the particles.

For specific parameter help, see the Metaball Force node help.

See also

Shelf tools

Using the shelf

  • Customize the shelf

    How to change the look of the shelf, change and rearrange its contents, and create your own shelf tools.

Technical