From ea2d03e4683140379b2f4f919260a9c0bbf206e3 Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Sat, 5 Feb 2011 14:56:01 +0200 Subject: added noise.* --- src/noise.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 src/noise.h (limited to 'src/noise.h') diff --git a/src/noise.h b/src/noise.h new file mode 100644 index 000000000..ee73aa3e1 --- /dev/null +++ b/src/noise.h @@ -0,0 +1,32 @@ +/* +Minetest-c55 +Copyright (C) 2010-2011 celeron55, Perttu Ahola + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef NOISE_HEADER +#define NOISE_HEADER + +// Return value: -1 ... 1 +double noise2d(int x, int y, int seed); + +double noise2d_gradient(double x, double y, int seed); + +double noise2d_perlin(double x, double y, int seed, + int octaves, double persistence); + +#endif + -- cgit v1.2.3