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  • Committer: Package Import Robot
  • Author(s): Jeremy Bicha
  • Date: 2013-03-06 12:08:47 UTC
  • mfrom: (1.5.1) (14.1.8 experimental)
  • Revision ID: package-import@ubuntu.com-20130306120847-frjfaryb2zrotwcg
Tags: 2.66a-1ubuntu1
https://launchpad.net/bugs/1076930
https://launchpad.net/bugs/1089256
https://launchpad.net/bugs/1052743
https://launchpad.net/bugs/999024
* Resynchronize with Debian (LP: #1076930, #1089256, #1052743, #999024,
  #1122888, #1147084)
* debian/control:
  - Lower build-depends on libavcodec-dev since we're not
    doing the libav9 transition in Ubuntu yet

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intern/cycles/kernel/osl/nodes/node_voronoi_texture.osl
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/*
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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 DistanceMetric = "Actual Distance",
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        string Coloring = "Intensity",
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        float Weight1 = 1.0,
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        float Weight2 = 0.0,
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        float Weight3 = 0.0,
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        float Weight4 = 0.0,
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        float Exponent = 2.5,
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        float Intensity = 1.0,
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        float Size = 0.25,
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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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        float exponent = max(Exponent, 1e-5);
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        float size = nonzero(Size, 1e-5);
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        float aw1 = fabs(Weight1);
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        float aw2 = fabs(Weight2);
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        float aw3 = fabs(Weight3);
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        float aw4 = fabs(Weight4);
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        float sc = (aw1 + aw2 + aw3 + aw4);
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        if(sc != 0.0)
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                sc = Intensity/sc;
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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/size, DistanceMetric, exponent, da, pa);
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        /* Scalar output */
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        Fac = sc * fabs(Weight1*da[0] + Weight2*da[1] + Weight3*da[2] + Weight4*da[3]);
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        /* Colored output */
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        if(Coloring == "Intensity") {
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                Color = color(Fac, Fac, Fac);
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        }
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        else {
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                Color = aw1*cellnoise_color(pa[0]);
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                Color += aw2*cellnoise_color(pa[1]);
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                Color += aw3*cellnoise_color(pa[2]);
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                Color += aw4*cellnoise_color(pa[3]);
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                if(Coloring != "Position") {
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                        float t1 = min((da[1] - da[0])*10.0, 1.0);
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                        if(Coloring == "Position, Outline, and Intensity")
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                                Color *= t1*Fac;
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                        else if(Coloring == "Position and Outline")
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                                Color *= t1*sc;
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                }
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                else {
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                        Color *= sc;
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                }
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        }
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}
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