forked from bartvdbraak/blender
a55d13bb9e
* Fixes for Voronoi, Gradient and Magic Textures. SVM and OSL renders excactly the same now.
49 lines
1.3 KiB
Plaintext
49 lines
1.3 KiB
Plaintext
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "stdosl.h"
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#include "node_texture.h"
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/* Voronoi */
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shader node_voronoi_texture(
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string Coloring = "Intensity",
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float Scale = 5.0,
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point Vector = P,
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output float Fac = 0.0,
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output color Color = color(0.0, 0.0, 0.0))
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{
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/* compute distance and point coordinate of 4 nearest neighbours */
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float da[4];
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point pa[4];
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voronoi(Vector*Scale, "Distance Squared", 1.0, da, pa);
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/* Colored output */
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if(Coloring == "Intensity") {
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Fac = fabs(da[0]);
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Color = color(Fac);
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}
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else {
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Color = cellnoise_color(pa[0]);
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Fac = (Color[0]+Color[1]+Color[2])*(1.0/3.0);
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}
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}
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