d快速噪声示例

原文

import std.stdio;
import std.random;
import fast_noise;

void main() {
    // 示例
    FNLState noise = fnlCreateState();
    noise.seed = unpredictableSeed();
    noise.noise_type = FNLNoiseType.FNL_NOISE_PERLIN;
    writeln("Begin perlin noise:");
    for (double i = 0; i < 100; i++) {
        double test = fnlGetNoise3D(&noise, 0,i,0);
        writeln("noise: ", test);
    }

    // 用种子初化
    FNLState moreNoise = fnlCreateState(unpredictableSeed());
    moreNoise.noise_type = FNLNoiseType.FNL_NOISE_OPENSIMPLEX2;
    writeln("Begin OpenSimplex2 noise:");
    for (double i = 0; i < 100; i++) {
        double test = fnlGetNoise3D(&moreNoise, 0,i,0);
        writeln("noise: ", test);
    }

}