MeshSurfaceSampler class

Utility class for sampling weighted random points on the surface of a mesh.

Building the sampler is a one-time O(n) operation. Once built, any number of random samples may be selected in O(logn) time. Memory usage is O(n).

References:

• http://www.joesfer.com/?p=84
• https://stackoverflow.com/a/4322940/1314762

Constructors

MeshSurfaceSampler(Mesh mesh)

Properties

colorAttribute ↔ Float32BufferAttribute?

getter/setter pair

distribution ↔ Float32List?

getter/setter pair

geometry ↔ BufferGeometry

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

positionAttribute ↔ Float32BufferAttribute

getter/setter pair

randomFunction ↔ double Function()

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

weightAttribute ↔ Float32BufferAttribute?

getter/setter pair

Methods

binarySearch(dynamic x) → int

build() → MeshSurfaceSampler

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

sample(Vector3 targetPosition, [Vector3? targetNormal, Color? targetColor]) → MeshSurfaceSampler

sampleFace(int faceIndex, Vector3 targetPosition, [Vector3? targetNormal, Color? targetColor]) → MeshSurfaceSampler

setRandomGenerator(dynamic randomFunction) → MeshSurfaceSampler

setWeightAttribute(String? name) → MeshSurfaceSampler

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited