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| author | Clément Foucault <foucault.clem@gmail.com> | 2017-09-26 22:38:23 +0300 |
|---|---|---|
| committer | Clément Foucault <foucault.clem@gmail.com> | 2017-09-26 22:38:23 +0300 |
| commit | b96c70f9b2ec0faf314c4d1eaaa19b2ed27687d2 (patch) | |
| tree | b2dfcbc9f2d2271d879887d08bb964f80db1639d /source/blender/blenkernel/intern/particle_distribute.c | |
| parent | 47e6d53c8a062dfb24ded58dffa88f276468cb3e (diff) | |
BLI_rand : Make use of BLI_halton and BLI_hammersley
Diffstat (limited to 'source/blender/blenkernel/intern/particle_distribute.c')
| -rw-r--r-- | source/blender/blenkernel/intern/particle_distribute.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/source/blender/blenkernel/intern/particle_distribute.c b/source/blender/blenkernel/intern/particle_distribute.c index 9a7980827ad..ff8a638089f 100644 --- a/source/blender/blenkernel/intern/particle_distribute.c +++ b/source/blender/blenkernel/intern/particle_distribute.c @@ -312,19 +312,16 @@ static void distribute_grid(DerivedMesh *dm, ParticleSystem *psys) static void hammersley_create(float *out, int n, int seed, float amount) { RNG *rng; - double p, t, offs[2]; - int k, kk; + + double offs[2], t; rng = BLI_rng_new(31415926 + n + seed); offs[0] = BLI_rng_get_double(rng) + (double)amount; offs[1] = BLI_rng_get_double(rng) + (double)amount; BLI_rng_free(rng); - for (k = 0; k < n; k++) { - t = 0; - for (p = 0.5, kk = k; kk; p *= 0.5, kk >>= 1) - if (kk & 1) /* kk mod 2 = 1 */ - t += p; + for (int k = 0; k < n; k++) { + BLI_hammersley_1D(k, &t); out[2*k + 0] = fmod((double)k/(double)n + offs[0], 1.0); out[2*k + 1] = fmod(t + offs[1], 1.0); |