From 40974a11ff38b178bdae401855213aa244c922cf Mon Sep 17 00:00:00 2001 From: havoc Date: Tue, 20 Jan 2009 18:58:27 +0000 Subject: [PATCH] fixed a serious bug in initialization of frac[][] git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@8660 d7cf8633-e32d-0410-b094-e92efae38249 --- fractalnoise.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fractalnoise.c b/fractalnoise.c index 1bb1c55a..5d68d196 100644 --- a/fractalnoise.c +++ b/fractalnoise.c @@ -157,10 +157,10 @@ float noise4f(float x, float y, float z, float w) r[i] = (int)(rand() * (double)NOISE_SIZE / ((double)RAND_MAX + 1)) & NOISE_MASK; // that & is only needed if RAND_MAX is > the range of double, which isn't the case on most platforms } - frac[1][0] = x - floor(x);index[0][0] = ((int)floor(x)) & NOISE_MASK; + frac[0][1] = x - floor(x);index[0][0] = ((int)floor(x)) & NOISE_MASK; frac[1][1] = y - floor(y);index[1][0] = ((int)floor(y)) & NOISE_MASK; - frac[1][2] = z - floor(z);index[2][0] = ((int)floor(z)) & NOISE_MASK; - frac[1][3] = w - floor(w);index[3][0] = ((int)floor(w)) & NOISE_MASK; + frac[2][1] = z - floor(z);index[2][0] = ((int)floor(z)) & NOISE_MASK; + frac[3][1] = w - floor(w);index[3][0] = ((int)floor(w)) & NOISE_MASK; for (i = 0;i < 4;i++) frac[i][0] = 1 - frac[i][1]; for (i = 0;i < 4;i++) -- 2.39.2