Samplers
Sampler
Abstract base class for particle sampling from various sources
Sampler
The Sampler class is an abstract base class that provides the foundation for sampling particles from various sources.
Constructor
new Sampler()Parameters
This is an abstract class and cannot be instantiated directly.
Properties
| Property | Type | Description |
|---|---|---|
geometry | THREE.BufferGeometry | Source geometry for sampling |
Methods
| Method | Description |
|---|---|
build() | Builds the sampler's internal data structures |
sample(target: THREE.Vector3) | Samples a single point and stores the result |
setWeightAttribute(name: string) | Sets weight attribute for sampling distribution |
Example Usage
import { MeshSurfaceSampler } from 'particlize';
// Create sampler
const sampler = new MeshSurfaceSampler(mesh)
.setWeightAttribute('color')
.build();
// Sample points
const position = new THREE.Vector3();
for (let i = 0; i < particleCount; i++) {
sampler.sample(position);
// Use position data
}MeshSurfaceSampler
Utility class for sampling weighted random points on the surface of a mesh
Constraints
In particlize, constraints are used to define conditions that are imposed on particles, such as their positions, velocities, or other properties. These constraints can be used to create complex behaviors and interactions between particles.