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(dynamic mesh)

Properties

colorAttribute ↔ BufferAttribute<NativeArray<num>>

getter/setter pair

distribution ↔ Float32Array?

getter/setter pair

geometry ↔ BufferGeometry

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

positionAttribute ↔ BufferAttribute<NativeArray<num>>

getter/setter pair

randomFunction ↔ Function

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

weightAttribute ↔ BufferAttribute<NativeArray<num>>?

getter/setter pair

Methods

binarySearch(dynamic x) → dynamic

build() → dynamic

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

sample(dynamic targetPosition, dynamic targetNormal, dynamic targetColor) → dynamic

sampleFace(dynamic faceIndex, dynamic targetPosition, dynamic targetNormal, dynamic targetColor) → dynamic

setRandomGenerator(dynamic randomFunction) → dynamic

setWeightAttribute(dynamic name) → dynamic

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited