diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_noise_texture.osl')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_noise_texture.osl | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/intern/cycles/kernel/shaders/node_noise_texture.osl b/intern/cycles/kernel/shaders/node_noise_texture.osl new file mode 100644 index 00000000000..227b2bf8cea --- /dev/null +++ b/intern/cycles/kernel/shaders/node_noise_texture.osl @@ -0,0 +1,56 @@ +/* + * Copyright 2011, Blender Foundation. + * + * 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. + */ + +#include "stdosl.h" +#include "node_texture.h" + +/* Noise */ + +float noise(point p, string basis, float distortion, float detail, float fac, color Color) +{ + point r; + int hard = 0; + + if (distortion != 0.0) { + r[0] = noise_basis(p + point(13.5), basis) * distortion; + r[1] = noise_basis(p, basis) * distortion; + r[2] = noise_basis(p - point(13.5), basis) * distortion; + + p += r; + } + + fac = noise_turbulence(p, basis, detail, hard); + + Color = color(fac, noise_turbulence(point(p[1], p[0], p[2]), basis, detail, hard), + noise_turbulence(point(p[1], p[2], p[0]), basis, detail, hard)); + + return fac; +} + +shader node_noise_texture( + float Distortion = 0.0, + float Scale = 5.0, + float Detail = 2.0, + point Vector = P, + output float Fac = 0.0, + output color Color = color(0.2, 0.2, 0.2)) +{ + string Basis = "Perlin"; + Fac = noise(Vector * Scale, Basis, Distortion, Detail, Fac, Color); +} + |