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> Unreal Engine API Reference > Plugins > GeometricObjects > Sampling > TSphericalFibonacci

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TSphericalFibonacci

A Spherical Fibonacci (SF) Point Set is a set of points that are roughly evenly distributed on a sphere.

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MacOS

Linux

References

Module	GeometricObjects
Header	/Engine/Plugins/Experimental/GeometryProcessing/Source/GeometricObjects/Public/Sampling/SphericalFibonacci.h
Include	#include "Sampling/SphericalFibonacci.h"

Syntax

template<typename RealType>
class TSphericalFibonacci

Remarks

A Spherical Fibonacci (SF) Point Set is a set of points that are roughly evenly distributed on a sphere. The points lie on a spiral, see https://dl.acm.org/doi/10.1145/2816795.2818131 for more information. The i-th SF point an N-point set can be calculated directly. For a given (normalized) point P, finding the nearest SF point (ie mapping back to i) can be done in constant time.

Z is "up" in the sphere.

Variables

		Name	Description
	int32	N

Constructors

	Name	Description
	TSphericalFibonacci ( int32 NumPoints )

Functions

	Name	Description
int32	FindIndex ( const FVector3< RealType >& P )
RealType	MultiplyAddFrac ( RealType a, RealType b )	MultiplyAddFrac(A,B) = multiply_add( A ,B, -floor(A*B) )
int32	Num()
FVector3< Re...	Point ( int32 Index )

Operators

		Name	Description
	FVector3< Re...	operator[] ( int32 Index )

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