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fix neg idx error

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Justin Lin
2020-12-10 13:46:54 +08:00
parent 70836f8fee
commit 72585c7f9c
1 changed files with 1 additions and 1 deletions
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src/noise/_impl/_pnoise_comm.scad
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@@ -4,4 +4,4 @@ function _pnoise_fade(t) = pow(t, 3) * (t * (t * 6 - 15) + 10);
function _pnoise_lerp(a, b, t) = a + t * (b - a);
function _pnoise_lookup_pnoise_table(i) = _pnoise_table[i % 256];
function _pnoise_lookup_pnoise_table(i) = _pnoise_table[abs(i % 256)];