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This repository has been archived by the owner on Apr 2, 2021. It is now read-only.
Since SIMD functions work by processing multiple values at once this library functions by returning sets of data rather than single values. A set is returned in the form of a pointer to an array of floats.
Example of how to generate a set of data, process it, then free it.
#include "FastNoiseSIMD.h"
...
FastNoiseSIMD* myNoise = FastNoiseSIMD::NewFastNoiseSIMD();
// Get a set of 16 x 16 x 16 Simplex Fractal noise
float* noiseSet = myNoise->GetSimplexFractalSet(0, 0, 0, 16, 16, 16);
int index = 0;
for (int x = 0; x < 16; x++)
{
for (int y = 0; y < 16; y++)
{
for (int z = 0; z < 16; z++)
{
ProcessVoxelData(x, y, z, noiseSet[index++]);
}
}
}
FastNoiseSIMD::FreeNoiseSet(noiseSet);
Note: If the size of the Z dimension is a multiple of 8 there is a slight performance boost