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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/shaders/node_tangent.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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shader node_tangent(
 
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        normal NormalIn = N,
 
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        string attr_name = "geom:tangent",
 
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        string direction_type = "Radial",
 
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        string axis = "Z",
 
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        output normal Tangent = normalize(dPdu))
 
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{
 
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        vector T;
 
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        if (direction_type == "UV Map") {
 
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                getattribute(attr_name, T);
 
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        }
 
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        else if (direction_type == "Radial") {
 
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                point generated;
 
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                if (!getattribute("geom:generated", generated))
 
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                        generated = P;
 
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                if (axis == "X")
 
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                        T = vector(0.0, -(generated[2] - 0.5), (generated[1] - 0.5));
 
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                else if (axis == "Y")
 
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                        T = vector(-(generated[2] - 0.5), 0.0, (generated[0] - 0.5));
 
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                else
 
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                        T = vector(-(generated[1] - 0.5), (generated[0] - 0.5), 0.0);
 
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        }
 
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        T = transform("object", "world", T);
 
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        Tangent = cross(NormalIn, normalize(cross(T, NormalIn)));
 
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}
 
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