diff options
Diffstat (limited to 'src/procgen.cpp')
| -rw-r--r-- | src/procgen.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/procgen.cpp b/src/procgen.cpp index 09ccae5..b5e1d6f 100644 --- a/src/procgen.cpp +++ b/src/procgen.cpp @@ -63,8 +63,9 @@ float perlin_noise_t::get(float x, float y, float scale) x /= scale; y /= scale; - nx = mod<ssize_t>(floor(x), size); - ny = mod<ssize_t>(floor(y), size); + nx = (ssize_t)floor(x) & (size - 1); + ny = (ssize_t)floor(y) & (size - 1); + nx1 = (nx == size - 1 ? 0 : nx + 1); ny1 = (ny == size - 1 ? 0 : ny + 1); |