Sampler Class Reference

Utility function for samplers. More...

#include <sampler.h>

Public Member Functions
	LM_DISABLE_CONSTRUCT (Sampler)

Static Public Member Functions
static auto	UniformConcentricDiskSample (const Vec2 &u) -> Vec2
	Sample a point in the circle uniformly with concentric disk sampling.
static auto	CosineSampleHemisphere (const Vec2 &u) -> Vec3
	Sample a direction in the hemisphere from the consine weighted distribution.
static auto	CosineSampleHemispherePDFProjSA (const Vec3 &d) -> Float
	Evaluate the PDF of CosineSampleHemisphere with the solid angle measure.
static auto	UniformSampleSphere (const Vec2 &u) -> Vec3
	Sample a direction uniformly from the unit sphere.
static auto	UniformSampleSpherePDFSA (const Vec3 &d) -> Float
	Evaluate the PDF of UniformSampleSphere with the solid angle measure.
static auto	UniformSampleTriangle (const Vec2 &u) -> Vec2
	Uniformly sample a triangle, returns barycentric coordinates.

Detailed Description

Utility function for samplers.