use 3 octaves for solid generation noise

[blank.git] / src / noise.cpp

diff --git a/src/noise.cpp b/src/noise.cpp
index 6d59224c2f41f4de89ae982627387fcacd7235a2..8b716140e78c5b301fbd00a383778eb482e9166f 100644 (file)
--- a/src/noise.cpp
+++ b/src/noise.cpp
@@ -45,10 +45,9 @@ SimplexNoise::SimplexNoise(unsigned int seed)
        {  0.0f,  1.0f, -1.0f },
        {  0.0f, -1.0f, -1.0f },
 }) {
-       unsigned int val = seed;
+       GaloisLFSR random(seed ^ 0x0123456789ACBDEF);
        for (size_t i = 0; i < 256; ++i) {
-               val = 2346765 * val + 6446345;
-               perm[i] = val % 256;
+               random(perm[i]);
                perm[i + 256] = perm[i];
        }
 }