diff options
| -rw-r--r-- | source/blender/blenkernel/intern/ocean.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/ocean.c b/source/blender/blenkernel/intern/ocean.c index 9faa61f986d..c27fb59835f 100644 --- a/source/blender/blenkernel/intern/ocean.c +++ b/source/blender/blenkernel/intern/ocean.c @@ -49,6 +49,8 @@ #include "RE_render_ext.h" +#include "BLI_hash.h" + #ifdef WITH_OCEANSIM /* Ocean code */ @@ -985,11 +987,15 @@ void BKE_ocean_init(struct Ocean *o, } } - /*srand(seed);*/ rng = BLI_rng_new(seed); for (i = 0; i < o->_M; i++) { for (j = 0; j < o->_N; j++) { + /* This ensures we get a value tied to the surface location, avoiding dramatic surface + * change with changing resolution. */ + int new_seed = seed + BLI_hash_int_2d(o->_kx[i] * 360.0f, o->_kz[j] * 360.0f); + + BLI_rng_seed(rng, new_seed); float r1 = gaussRand(rng); float r2 = gaussRand(rng); |