Voronoi Fracture
Method #
This node fractures the parent mesh into chunks using Voronoi fracture. A set of seed points is generated within the parent mesh, and the Voronoi graph is generated from those points and used to split the mesh. The chunks are then capped to make them solid. Further deformers may be used to move the resulting chunks.
Generation of closed chunks depends on the quality of the input mesh. The mesh must be closed, manifold and clean to give the process the best chance of working. Meshes with overlapping polygons, vertices that are not welded, or internal faces will likely fail to generate closed chunks. “Surface Only” mode will work even on meshes which do not fit this criteria.
Parameters
Parameter Details Subdivision Order Toggle whether the deformer is added before or after the object is subdivided.
Subdivision Level The subdivision level at which the deformer is applied. Subdivision Order must be set to After Subdivision to Function.
Mode The fracture mode.
- Solid : Solid, closed chunks are generated.
- Surface Only : Only the polygons in the parent mesh are fractured and output.
Num Voronoi Points The number of seed points.
Seed The random seed used for seed point generation.
Point Generation Mode The method by which the seed points are generated.
- Random : Points are distributed at random.
- Near Surface : Points are concentrated near the surface of the mesh. |
Colour By Voronoi Point The resulting vertices are coloured by their voronoi chunk index.
Inputs
| Parameter | Details |
|---|---|
| Subdivision Order | Toggle whether the deformer is added before or after the object is subdivided. |
| Subdivision Level | The subdivision level at which the deformer is applied. Subdivision Order must be set to After Subdivision to Function. |
| Mode | The fracture mode.
|
| Num Voronoi Points | The number of seed points. |
| Seed | The random seed used for seed point generation. |
| Point Generation Mode | The method by which the seed points are generated.
|
| Colour By Voronoi Point | The resulting vertices are coloured by their voronoi chunk index. |
| Name | Description | Typical Input |
|---|---|---|
| Cut Material | The material to use for the new faces generated by the voronoi cuts. | Material |
| Transform Modifiers | Apply the transforms of another node to this node. | Null |
| Target Node | Modifiy the rotations of the node to always direct the z axis towards the input. | Null |
| Local Transform Override | Apply the transforms of another node to this node, relative to its parent. | Null |