Mesh Fill

Mesh Fill is a GPU-accelerated simulation that drives particles to move through mesh volumes or surfaces using a density-guided algorithm. The simulation guides particles through density fields generated from input geometry, creating organic movement patterns as particles navigate the space.

Supports both mesh-based and volume-based inputs with automatic voxelization for mesh geometry. You can control whether particles move through the entire interior volume or along the surface boundary, with adjustable radius controlling movement constraints. Filtering parameters allow smoothing of the velocity field for more uniform or organic particle motion. The Seed page controls optional particle spawning from density regions when enabled.

Mesh Fill outputs the moving point cloud and optionally generates trail geometry showing particle movement paths through the volume. The trails visualize the exploration patterns as particles navigate the density field over time. The simulation includes standard playback controls (initialize, start, play) for controlling the fill progression. This makes Mesh Fill ideal for creating organic growth animations, volumetric exploration effects, particle flow visualizations, or animated particle-based mesh representations.